Merge "Fix checkstyle issues in policy-management"

20 files changed, 3447 insertions, 3249 deletions

diff --git a/policy-management/src/main/java/org/onap/policy/drools/controller/DroolsControllerFactory.java b/policy-management/src/main/java/org/onap/policy/drools/controller/DroolsControllerFactory.java
index f91e6dc4..b641f24a 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/controller/DroolsControllerFactory.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/controller/DroolsControllerFactory.java
@@ -20,25 +20,11 @@
 
 package org.onap.policy.drools.controller;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Properties;
-import org.onap.policy.common.endpoints.event.comm.Topic;
-import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
 import org.onap.policy.common.endpoints.event.comm.TopicSink;
 import org.onap.policy.common.endpoints.event.comm.TopicSource;
-import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
-import org.onap.policy.drools.controller.internal.MavenDroolsController;
-import org.onap.policy.drools.controller.internal.NullDroolsController;
-import org.onap.policy.drools.properties.DroolsProperties;
-import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
 import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration;
-import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.CustomGsonCoder;
-import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.PotentialCoderFilter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * Drools Controller Factory to manage controller creation, destruction, and retrieval for
@@ -120,322 +106,3 @@ public interface DroolsControllerFactory {
      */
     public List<DroolsController> inventory();
 }
-
-
-/* ---------------- implementation ----------------- */
-
-/**
- * Factory of Drools Controllers indexed by the Maven coordinates.
- */
-class IndexedDroolsControllerFactory implements DroolsControllerFactory {
-
-    /**
-     * logger.
-     */
-    private static Logger logger = LoggerFactory.getLogger(MavenDroolsController.class);
-
-    /**
-     * Policy Controller Name Index.
-     */
-    protected HashMap<String, DroolsController> droolsControllers = new HashMap<>();
-
-    /**
-     * Null Drools Controller.
-     */
-    protected NullDroolsController nullDroolsController = new NullDroolsController();
-
-
-    public IndexedDroolsControllerFactory() {
-
-        /* Add a NULL controller which will always be present in the hash */
-
-        DroolsController controller = new NullDroolsController();
-        String controllerId = controller.getGroupId() + ":" + controller.getArtifactId();
-
-        synchronized (this) {
-            droolsControllers.put(controllerId, controller);
-        }
-    }
-
-    @Override
-    public DroolsController build(Properties properties, List<? extends TopicSource> eventSources,
-            List<? extends TopicSink> eventSinks) throws LinkageError {
-
-        String groupId = properties.getProperty(DroolsProperties.RULES_GROUPID);
-        if (groupId == null || groupId.isEmpty()) {
-            groupId = DroolsController.NO_GROUP_ID;
-        }
-
-        String artifactId = properties.getProperty(DroolsProperties.RULES_ARTIFACTID);
-        if (artifactId == null || artifactId.isEmpty()) {
-            artifactId = DroolsController.NO_ARTIFACT_ID;
-        }
-
-        String version = properties.getProperty(DroolsProperties.RULES_VERSION);
-        if (version == null || version.isEmpty()) {
-            version = DroolsController.NO_VERSION;
-        }
-
-        List<TopicCoderFilterConfiguration> topics2DecodedClasses2Filters = codersAndFilters(properties, eventSources);
-
-        List<TopicCoderFilterConfiguration> topics2EncodedClasses2Filters = codersAndFilters(properties, eventSinks);
-
-        return this.build(groupId, artifactId, version, topics2DecodedClasses2Filters, topics2EncodedClasses2Filters);
-    }
-
-    @Override
-    public DroolsController build(String newGroupId, String newArtifactId, String newVersion,
-            List<TopicCoderFilterConfiguration> decoderConfigurations,
-            List<TopicCoderFilterConfiguration> encoderConfigurations) throws LinkageError {
-
-        if (newGroupId == null || newGroupId.isEmpty()) {
-            throw new IllegalArgumentException("Missing maven group-id coordinate");
-        }
-
-        if (newArtifactId == null || newArtifactId.isEmpty()) {
-            throw new IllegalArgumentException("Missing maven artifact-id coordinate");
-        }
-
-        if (newVersion == null || newVersion.isEmpty()) {
-            throw new IllegalArgumentException("Missing maven version coordinate");
-        }
-
-        String controllerId = newGroupId + ":" + newArtifactId;
-        DroolsController controllerCopy = null;
-        synchronized (this) {
-            /*
-             * The Null Drools Controller for no maven coordinates is always here so when no
-             * coordinates present, this is the return point
-             *
-             * assert (controllerCopy instanceof NullDroolsController)
-             */
-            if (droolsControllers.containsKey(controllerId)) {
-                controllerCopy = droolsControllers.get(controllerId);
-                if (controllerCopy.getVersion().equalsIgnoreCase(newVersion)) {
-                    return controllerCopy;
-                }
-            }
-        }
-
-        if (controllerCopy != null) {
-            /*
-             * a controller keyed by group id + artifact id exists but with different version =>
-             * version upgrade/downgrade
-             */
-
-            controllerCopy.updateToVersion(newGroupId, newArtifactId, newVersion, decoderConfigurations,
-                    encoderConfigurations);
-
-            return controllerCopy;
-        }
-
-        /* new drools controller */
-
-        DroolsController controller = new MavenDroolsController(newGroupId, newArtifactId, newVersion,
-                decoderConfigurations, encoderConfigurations);
-
-        synchronized (this) {
-            droolsControllers.put(controllerId, controller);
-        }
-
-        return controller;
-    }
-
-    /**
-     * find out decoder classes and filters.
-     *
-     * @param properties properties with information about decoders
-     * @param topicEntities topic sources
-     * @return list of topics, each with associated decoder classes, each with a list of associated
-     *         filters
-     * @throws IllegalArgumentException invalid input data
-     */
-    protected List<TopicCoderFilterConfiguration> codersAndFilters(Properties properties,
-            List<? extends Topic> topicEntities) {
-
-        String propertyTopicEntityPrefix;
-
-        List<TopicCoderFilterConfiguration> topics2DecodedClasses2Filters = new ArrayList<>();
-
-        if (topicEntities == null || topicEntities.isEmpty()) {
-            return topics2DecodedClasses2Filters;
-        }
-
-        for (Topic topic : topicEntities) {
-
-            /* source or sink ? ueb or dmaap? */
-            boolean isSource = topic instanceof TopicSource;
-            CommInfrastructure commInfra = topic.getTopicCommInfrastructure();
-            if (commInfra == CommInfrastructure.UEB) {
-                if (isSource) {
-                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + ".";
-                } else {
-                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_UEB_SINK_TOPICS + ".";
-                }
-            } else if (commInfra == CommInfrastructure.DMAAP) {
-                if (isSource) {
-                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_DMAAP_SOURCE_TOPICS + ".";
-                } else {
-                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_DMAAP_SINK_TOPICS + ".";
-                }
-            } else if (commInfra == CommInfrastructure.NOOP) {
-                if (isSource) {
-                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_NOOP_SOURCE_TOPICS + ".";
-                } else {
-                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS + ".";
-                }
-            } else {
-                throw new IllegalArgumentException("Invalid Communication Infrastructure: " + commInfra);
-            }
-
-            // 1. first the topic
-
-            String firstTopic = topic.getTopic();
-
-            // 2. check if there is a custom decoder for this topic that the user prefers to use
-            // instead of the ones provided in the platform
-
-            String customGson = properties.getProperty(propertyTopicEntityPrefix + firstTopic
-                    + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_CUSTOM_MODEL_CODER_GSON_SUFFIX);
-
-            CustomGsonCoder customGsonCoder = null;
-            if (customGson != null && !customGson.isEmpty()) {
-                try {
-                    customGsonCoder = new CustomGsonCoder(customGson);
-                } catch (IllegalArgumentException e) {
-                    logger.warn("{}: cannot create custom-gson-coder {} because of {}", this, customGson,
-                            e.getMessage(), e);
-                }
-            }
-
-            // 3. second the list of classes associated with each topic
-
-            String eventClasses = properties
-                    .getProperty(propertyTopicEntityPrefix + firstTopic
-                            + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_SUFFIX);
-
-            if (eventClasses == null || eventClasses.isEmpty()) {
-                logger.warn("There are no event classes for topic {}", firstTopic);
-                continue;
-            }
-
-            List<PotentialCoderFilter> classes2Filters = new ArrayList<>();
-
-            List<String> topicClasses = new ArrayList<>(Arrays.asList(eventClasses.split("\\s*,\\s*")));
-
-            for (String theClass : topicClasses) {
-
-
-                // 4. third, for each coder class, get the filter expression
-
-                String filter = properties
-                        .getProperty(propertyTopicEntityPrefix + firstTopic
-                                + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_SUFFIX
-                                + "." + theClass + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_FILTER_SUFFIX);
-
-                JsonProtocolFilter protocolFilter = new JsonProtocolFilter(filter);
-                PotentialCoderFilter class2Filters = new PotentialCoderFilter(theClass, protocolFilter);
-                classes2Filters.add(class2Filters);
-            }
-
-            TopicCoderFilterConfiguration topic2Classes2Filters =
-                    new TopicCoderFilterConfiguration(firstTopic, classes2Filters, customGsonCoder);
-            topics2DecodedClasses2Filters.add(topic2Classes2Filters);
-        }
-
-        return topics2DecodedClasses2Filters;
-    }
-
-    @Override
-    public void destroy(DroolsController controller) {
-        unmanage(controller);
-        controller.halt();
-    }
-
-    @Override
-    public void destroy() {
-        List<DroolsController> controllers = this.inventory();
-        for (DroolsController controller : controllers) {
-            controller.halt();
-        }
-
-        synchronized (this) {
-            this.droolsControllers.clear();
-        }
-    }
-
-    /**
-     * unmanage the drools controller.
-     *
-     * @param controller the controller
-     */
-    protected void unmanage(DroolsController controller) {
-        if (controller == null) {
-            throw new IllegalArgumentException("No controller provided");
-        }
-
-        if (!controller.isBrained()) {
-            logger.info("Drools Controller is NOT OPERATIONAL - nothing to destroy");
-            return;
-        }
-
-        String controllerId = controller.getGroupId() + ":" + controller.getArtifactId();
-        synchronized (this) {
-            if (!this.droolsControllers.containsKey(controllerId)) {
-                return;
-            }
-
-            droolsControllers.remove(controllerId);
-        }
-    }
-
-    @Override
-    public void shutdown(DroolsController controller) {
-        this.unmanage(controller);
-        controller.shutdown();
-    }
-
-    @Override
-    public void shutdown() {
-        List<DroolsController> controllers = this.inventory();
-        for (DroolsController controller : controllers) {
-            controller.shutdown();
-        }
-
-        synchronized (this) {
-            this.droolsControllers.clear();
-        }
-    }
-
-    @Override
-    public DroolsController get(String groupId, String artifactId, String version) {
-
-        if (groupId == null || artifactId == null || groupId.isEmpty() || artifactId.isEmpty()) {
-            throw new IllegalArgumentException("Missing maven coordinates: " + groupId + ":" + artifactId);
-        }
-
-        String controllerId = groupId + ":" + artifactId;
-
-        synchronized (this) {
-            if (this.droolsControllers.containsKey(controllerId)) {
-                return droolsControllers.get(controllerId);
-            } else {
-                throw new IllegalStateException("DroolController for " + controllerId + " not found");
-            }
-        }
-    }
-
-    @Override
-    public List<DroolsController> inventory() {
-        return new ArrayList<>(this.droolsControllers.values());
-    }
-
-    @Override
-    public String toString() {
-        StringBuilder builder = new StringBuilder();
-        builder.append("IndexedDroolsControllerFactory [#droolsControllers=").append(droolsControllers.size())
-                .append("]");
-        return builder.toString();
-    }
-
-}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java b/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java
new file mode 100644
index 00000000..89e2a1a8
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java
@@ -0,0 +1,359 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.controller;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.endpoints.event.comm.Topic;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.event.comm.TopicSink;
+import org.onap.policy.common.endpoints.event.comm.TopicSource;
+import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
+import org.onap.policy.drools.controller.internal.MavenDroolsController;
+import org.onap.policy.drools.controller.internal.NullDroolsController;
+import org.onap.policy.drools.properties.DroolsProperties;
+import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
+import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration;
+import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.CustomGsonCoder;
+import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.PotentialCoderFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Factory of Drools Controllers indexed by the Maven coordinates.
+ */
+class IndexedDroolsControllerFactory implements DroolsControllerFactory {
+
+    /**
+     * logger.
+     */
+    private static Logger logger = LoggerFactory.getLogger(MavenDroolsController.class);
+
+    /**
+     * Policy Controller Name Index.
+     */
+    protected HashMap<String, DroolsController> droolsControllers = new HashMap<>();
+
+    /**
+     * Null Drools Controller.
+     */
+    protected NullDroolsController nullDroolsController = new NullDroolsController();
+
+    /**
+     * Constructs the object.
+     */
+    public IndexedDroolsControllerFactory() {
+
+        /* Add a NULL controller which will always be present in the hash */
+
+        DroolsController controller = new NullDroolsController();
+        String controllerId = controller.getGroupId() + ":" + controller.getArtifactId();
+
+        synchronized (this) {
+            droolsControllers.put(controllerId, controller);
+        }
+    }
+
+    @Override
+    public DroolsController build(Properties properties, List<? extends TopicSource> eventSources,
+            List<? extends TopicSink> eventSinks) throws LinkageError {
+
+        String groupId = properties.getProperty(DroolsProperties.RULES_GROUPID);
+        if (groupId == null || groupId.isEmpty()) {
+            groupId = DroolsController.NO_GROUP_ID;
+        }
+
+        String artifactId = properties.getProperty(DroolsProperties.RULES_ARTIFACTID);
+        if (artifactId == null || artifactId.isEmpty()) {
+            artifactId = DroolsController.NO_ARTIFACT_ID;
+        }
+
+        String version = properties.getProperty(DroolsProperties.RULES_VERSION);
+        if (version == null || version.isEmpty()) {
+            version = DroolsController.NO_VERSION;
+        }
+
+        List<TopicCoderFilterConfiguration> topics2DecodedClasses2Filters = codersAndFilters(properties, eventSources);
+
+        List<TopicCoderFilterConfiguration> topics2EncodedClasses2Filters = codersAndFilters(properties, eventSinks);
+
+        return this.build(groupId, artifactId, version, topics2DecodedClasses2Filters, topics2EncodedClasses2Filters);
+    }
+
+    @Override
+    public DroolsController build(String newGroupId, String newArtifactId, String newVersion,
+            List<TopicCoderFilterConfiguration> decoderConfigurations,
+            List<TopicCoderFilterConfiguration> encoderConfigurations) throws LinkageError {
+
+        if (newGroupId == null || newGroupId.isEmpty()) {
+            throw new IllegalArgumentException("Missing maven group-id coordinate");
+        }
+
+        if (newArtifactId == null || newArtifactId.isEmpty()) {
+            throw new IllegalArgumentException("Missing maven artifact-id coordinate");
+        }
+
+        if (newVersion == null || newVersion.isEmpty()) {
+            throw new IllegalArgumentException("Missing maven version coordinate");
+        }
+
+        String controllerId = newGroupId + ":" + newArtifactId;
+        DroolsController controllerCopy = null;
+        synchronized (this) {
+            /*
+             * The Null Drools Controller for no maven coordinates is always here so when no
+             * coordinates present, this is the return point
+             *
+             * assert (controllerCopy instanceof NullDroolsController)
+             */
+            if (droolsControllers.containsKey(controllerId)) {
+                controllerCopy = droolsControllers.get(controllerId);
+                if (controllerCopy.getVersion().equalsIgnoreCase(newVersion)) {
+                    return controllerCopy;
+                }
+            }
+        }
+
+        if (controllerCopy != null) {
+            /*
+             * a controller keyed by group id + artifact id exists but with different version =>
+             * version upgrade/downgrade
+             */
+
+            controllerCopy.updateToVersion(newGroupId, newArtifactId, newVersion, decoderConfigurations,
+                    encoderConfigurations);
+
+            return controllerCopy;
+        }
+
+        /* new drools controller */
+
+        DroolsController controller = new MavenDroolsController(newGroupId, newArtifactId, newVersion,
+                decoderConfigurations, encoderConfigurations);
+
+        synchronized (this) {
+            droolsControllers.put(controllerId, controller);
+        }
+
+        return controller;
+    }
+
+    /**
+     * find out decoder classes and filters.
+     *
+     * @param properties properties with information about decoders
+     * @param topicEntities topic sources
+     * @return list of topics, each with associated decoder classes, each with a list of associated
+     *         filters
+     * @throws IllegalArgumentException invalid input data
+     */
+    protected List<TopicCoderFilterConfiguration> codersAndFilters(Properties properties,
+            List<? extends Topic> topicEntities) {
+
+        String propertyTopicEntityPrefix;
+
+        List<TopicCoderFilterConfiguration> topics2DecodedClasses2Filters = new ArrayList<>();
+
+        if (topicEntities == null || topicEntities.isEmpty()) {
+            return topics2DecodedClasses2Filters;
+        }
+
+        for (Topic topic : topicEntities) {
+
+            /* source or sink ? ueb or dmaap? */
+            boolean isSource = topic instanceof TopicSource;
+            CommInfrastructure commInfra = topic.getTopicCommInfrastructure();
+            if (commInfra == CommInfrastructure.UEB) {
+                if (isSource) {
+                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_UEB_SOURCE_TOPICS + ".";
+                } else {
+                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_UEB_SINK_TOPICS + ".";
+                }
+            } else if (commInfra == CommInfrastructure.DMAAP) {
+                if (isSource) {
+                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_DMAAP_SOURCE_TOPICS + ".";
+                } else {
+                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_DMAAP_SINK_TOPICS + ".";
+                }
+            } else if (commInfra == CommInfrastructure.NOOP) {
+                if (isSource) {
+                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_NOOP_SOURCE_TOPICS + ".";
+                } else {
+                    propertyTopicEntityPrefix = PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS + ".";
+                }
+            } else {
+                throw new IllegalArgumentException("Invalid Communication Infrastructure: " + commInfra);
+            }
+
+            // 1. first the topic
+
+            String firstTopic = topic.getTopic();
+
+            // 2. check if there is a custom decoder for this topic that the user prefers to use
+            // instead of the ones provided in the platform
+
+            String customGson = properties.getProperty(propertyTopicEntityPrefix + firstTopic
+                    + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_CUSTOM_MODEL_CODER_GSON_SUFFIX);
+
+            CustomGsonCoder customGsonCoder = null;
+            if (customGson != null && !customGson.isEmpty()) {
+                try {
+                    customGsonCoder = new CustomGsonCoder(customGson);
+                } catch (IllegalArgumentException e) {
+                    logger.warn("{}: cannot create custom-gson-coder {} because of {}", this, customGson,
+                            e.getMessage(), e);
+                }
+            }
+
+            // 3. second the list of classes associated with each topic
+
+            String eventClasses = properties
+                    .getProperty(propertyTopicEntityPrefix + firstTopic
+                            + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_SUFFIX);
+
+            if (eventClasses == null || eventClasses.isEmpty()) {
+                logger.warn("There are no event classes for topic {}", firstTopic);
+                continue;
+            }
+
+            List<PotentialCoderFilter> classes2Filters = new ArrayList<>();
+
+            List<String> topicClasses = new ArrayList<>(Arrays.asList(eventClasses.split("\\s*,\\s*")));
+
+            for (String theClass : topicClasses) {
+
+
+                // 4. third, for each coder class, get the filter expression
+
+                String filter = properties
+                        .getProperty(propertyTopicEntityPrefix + firstTopic
+                                + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_SUFFIX
+                                + "." + theClass + PolicyEndPointProperties.PROPERTY_TOPIC_EVENTS_FILTER_SUFFIX);
+
+                JsonProtocolFilter protocolFilter = new JsonProtocolFilter(filter);
+                PotentialCoderFilter class2Filters = new PotentialCoderFilter(theClass, protocolFilter);
+                classes2Filters.add(class2Filters);
+            }
+
+            TopicCoderFilterConfiguration topic2Classes2Filters =
+                    new TopicCoderFilterConfiguration(firstTopic, classes2Filters, customGsonCoder);
+            topics2DecodedClasses2Filters.add(topic2Classes2Filters);
+        }
+
+        return topics2DecodedClasses2Filters;
+    }
+
+    @Override
+    public void destroy(DroolsController controller) {
+        unmanage(controller);
+        controller.halt();
+    }
+
+    @Override
+    public void destroy() {
+        List<DroolsController> controllers = this.inventory();
+        for (DroolsController controller : controllers) {
+            controller.halt();
+        }
+
+        synchronized (this) {
+            this.droolsControllers.clear();
+        }
+    }
+
+    /**
+     * unmanage the drools controller.
+     *
+     * @param controller the controller
+     */
+    protected void unmanage(DroolsController controller) {
+        if (controller == null) {
+            throw new IllegalArgumentException("No controller provided");
+        }
+
+        if (!controller.isBrained()) {
+            logger.info("Drools Controller is NOT OPERATIONAL - nothing to destroy");
+            return;
+        }
+
+        String controllerId = controller.getGroupId() + ":" + controller.getArtifactId();
+        synchronized (this) {
+            if (!this.droolsControllers.containsKey(controllerId)) {
+                return;
+            }
+
+            droolsControllers.remove(controllerId);
+        }
+    }
+
+    @Override
+    public void shutdown(DroolsController controller) {
+        this.unmanage(controller);
+        controller.shutdown();
+    }
+
+    @Override
+    public void shutdown() {
+        List<DroolsController> controllers = this.inventory();
+        for (DroolsController controller : controllers) {
+            controller.shutdown();
+        }
+
+        synchronized (this) {
+            this.droolsControllers.clear();
+        }
+    }
+
+    @Override
+    public DroolsController get(String groupId, String artifactId, String version) {
+
+        if (groupId == null || artifactId == null || groupId.isEmpty() || artifactId.isEmpty()) {
+            throw new IllegalArgumentException("Missing maven coordinates: " + groupId + ":" + artifactId);
+        }
+
+        String controllerId = groupId + ":" + artifactId;
+
+        synchronized (this) {
+            if (this.droolsControllers.containsKey(controllerId)) {
+                return droolsControllers.get(controllerId);
+            } else {
+                throw new IllegalStateException("DroolController for " + controllerId + " not found");
+            }
+        }
+    }
+
+    @Override
+    public List<DroolsController> inventory() {
+        return new ArrayList<>(this.droolsControllers.values());
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("IndexedDroolsControllerFactory [#droolsControllers=").append(droolsControllers.size())
+                .append("]");
+        return builder.toString();
+    }
+
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java b/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java
index 97312042..d0b98450 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java
@@ -45,7 +45,7 @@ import org.onap.policy.drools.controller.DroolsController;
 import org.onap.policy.drools.core.PolicyContainer;
 import org.onap.policy.drools.core.PolicySession;
 import org.onap.policy.drools.core.jmx.PdpJmx;
-import org.onap.policy.drools.features.DroolsControllerFeatureAPI;
+import org.onap.policy.drools.features.DroolsControllerFeatureApi;
 import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
 import org.onap.policy.drools.protocol.coders.EventProtocolParams;
 import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
@@ -538,7 +538,7 @@ public class MavenDroolsController implements DroolsController {
 
         // Broadcast
 
-        for (DroolsControllerFeatureAPI feature : DroolsControllerFeatureAPI.providers.getList()) {
+        for (DroolsControllerFeatureApi feature : DroolsControllerFeatureApi.providers.getList()) {
             try {
                 if (feature.beforeInsert(this, event)) {
                     return true;
@@ -554,7 +554,7 @@ public class MavenDroolsController implements DroolsController {
             logger.warn(this + "Failed to inject into PolicyContainer {}", this.getSessionNames());
         }
 
-        for (DroolsControllerFeatureAPI feature : DroolsControllerFeatureAPI.providers.getList()) {
+        for (DroolsControllerFeatureApi feature : DroolsControllerFeatureApi.providers.getList()) {
             try {
                 if (feature.afterInsert(this, event, successInject)) {
                     return true;
@@ -576,7 +576,7 @@ public class MavenDroolsController implements DroolsController {
             logger.info("{}DELIVER: {} FROM {} TO {}", this, event, this, sink);
         }
 
-        for (DroolsControllerFeatureAPI feature : DroolsControllerFeatureAPI.providers.getList()) {
+        for (DroolsControllerFeatureApi feature : DroolsControllerFeatureApi.providers.getList()) {
             try {
                 if (feature.beforeDeliver(this, sink, event)) {
                     return true;
@@ -613,7 +613,7 @@ public class MavenDroolsController implements DroolsController {
 
         boolean success = sink.send(json);
 
-        for (DroolsControllerFeatureAPI feature : DroolsControllerFeatureAPI.providers.getList()) {
+        for (DroolsControllerFeatureApi feature : DroolsControllerFeatureApi.providers.getList()) {
             try {
                 if (feature.afterDeliver(this, sink, event, json, success)) {
                     return true;
diff --git a/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureAPI.java b/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureApi.java
index d11bd145..d5a16a12 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureAPI.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureApi.java
@@ -28,7 +28,7 @@ import org.onap.policy.drools.controller.DroolsController;
 /**
  * Drools Controller Feature API.   Hooks into the Drools Controller operations.
  */
-public interface DroolsControllerFeatureAPI extends OrderedService {
+public interface DroolsControllerFeatureApi extends OrderedService {
 
     /**
      * intercepts before the Drools Controller gives the Policy Container a fact to
@@ -78,6 +78,6 @@ public interface DroolsControllerFeatureAPI extends OrderedService {
     /**
      * Feature providers implementing this interface.
      */
-    public static final OrderedServiceImpl<DroolsControllerFeatureAPI> providers =
-            new OrderedServiceImpl<>(DroolsControllerFeatureAPI.class);
+    public static final OrderedServiceImpl<DroolsControllerFeatureApi> providers =
+            new OrderedServiceImpl<>(DroolsControllerFeatureApi.class);
 }
diff --git a/policy-management/src/main/java/org/onap/policy/drools/features/PolicyControllerFeatureAPI.java b/policy-management/src/main/java/org/onap/policy/drools/features/PolicyControllerFeatureApi.java
index 914b073f..c9e78c6a 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/features/PolicyControllerFeatureAPI.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/features/PolicyControllerFeatureApi.java
@@ -26,13 +26,13 @@ import org.onap.policy.common.utils.services.OrderedService;
 import org.onap.policy.common.utils.services.OrderedServiceImpl;
 import org.onap.policy.drools.system.PolicyController;
 
-public interface PolicyControllerFeatureAPI extends OrderedService {
+public interface PolicyControllerFeatureApi extends OrderedService {
 
     /**
      * Feature providers implementing this interface.
      */
-    OrderedServiceImpl<PolicyControllerFeatureAPI> providers =
-            new OrderedServiceImpl<>(PolicyControllerFeatureAPI.class);
+    OrderedServiceImpl<PolicyControllerFeatureApi> providers =
+            new OrderedServiceImpl<>(PolicyControllerFeatureApi.class);
 
     /**
      * called before creating a controller with name 'name' and
diff --git a/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureAPI.java b/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureApi.java
index 9b099909..bd834c4d 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureAPI.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureApi.java
@@ -31,12 +31,12 @@ import org.onap.policy.drools.system.PolicyEngine;
  * Policy Engine Feature API.
  * Provides Interception Points during the Policy Engine lifecycle.
  */
-public interface PolicyEngineFeatureAPI extends OrderedService {
+public interface PolicyEngineFeatureApi extends OrderedService {
     /**
      * Feature providers implementing this interface.
      */
-    public static final OrderedServiceImpl<PolicyEngineFeatureAPI> providers =
-            new OrderedServiceImpl<>(PolicyEngineFeatureAPI.class);
+    public static final OrderedServiceImpl<PolicyEngineFeatureApi> providers =
+            new OrderedServiceImpl<>(PolicyEngineFeatureApi.class);
 
     /**
      * intercept before the Policy Engine is commanded to boot.
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java
index 1297ff8c..62a0cbe2 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolCoder.java
@@ -21,15 +21,8 @@
 
 package org.onap.policy.drools.protocol.coders;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 import org.onap.policy.drools.controller.DroolsController;
-import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * Coder (Encoder/Decoder) of Events.
@@ -349,959 +342,3 @@ public interface EventProtocolCoder {
      */
     public String encode(String topic, Object event, DroolsController droolsController);
 }
-
-/**
- * Protocol Coder that does its best attempt to decode/encode, selecting the best class and best fitted json parsing
- * tools.
- */
-class MultiplexorEventProtocolCoder implements EventProtocolCoder {
-
-    /**
-     * Logger.
-     */
-    private static Logger logger = LoggerFactory.getLogger(MultiplexorEventProtocolCoder.class);
-
-    /**
-     * Decoders.
-     */
-    protected EventProtocolDecoder decoders = new EventProtocolDecoder();
-
-    /**
-     * Encoders.
-     */
-    protected EventProtocolEncoder encoders = new EventProtocolEncoder();
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void addDecoder(EventProtocolParams eventProtocolParams) {
-        logger.info(
-                "{}: add-decoder {}:{}:{}:{}:{}:{}:{}",
-                this,
-                eventProtocolParams.getGroupId(),
-                eventProtocolParams.getArtifactId(),
-                eventProtocolParams.getTopic(),
-                eventProtocolParams.getEventClass(),
-                eventProtocolParams.getProtocolFilter(),
-                eventProtocolParams.getCustomGsonCoder(),
-                eventProtocolParams.getModelClassLoaderHash());
-        this.decoders.add(eventProtocolParams);
-    }
-
-    /**
-     * {@inheritDoc}.
-     *
-     * @param eventProtocolParams parameter object for event encoder
-     */
-    @Override
-    public void addEncoder(EventProtocolParams eventProtocolParams) {
-        logger.info(
-                "{}: add-decoder {}:{}:{}:{}:{}:{}:{}",
-                this,
-                eventProtocolParams.getGroupId(),
-                eventProtocolParams.getArtifactId(),
-                eventProtocolParams.getTopic(),
-                eventProtocolParams.getEventClass(),
-                eventProtocolParams.getProtocolFilter(),
-                eventProtocolParams.getCustomGsonCoder(),
-                eventProtocolParams.getModelClassLoaderHash());
-        this.encoders.add(eventProtocolParams);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void removeDecoders(String groupId, String artifactId, String topic) {
-        logger.info("{}: remove-decoder {}:{}:{}", this, groupId, artifactId, topic);
-        this.decoders.remove(groupId, artifactId, topic);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void removeEncoders(String groupId, String artifactId, String topic) {
-        logger.info("{}: remove-encoder {}:{}:{}", this, groupId, artifactId, topic);
-        this.encoders.remove(groupId, artifactId, topic);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean isDecodingSupported(String groupId, String artifactId, String topic) {
-        return this.decoders.isCodingSupported(groupId, artifactId, topic);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean isEncodingSupported(String groupId, String artifactId, String topic) {
-        return this.encoders.isCodingSupported(groupId, artifactId, topic);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public Object decode(String groupId, String artifactId, String topic, String json) {
-        logger.debug("{}: decode {}:{}:{}:{}", this, groupId, artifactId, topic, json);
-        return this.decoders.decode(groupId, artifactId, topic, json);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String encode(String groupId, String artifactId, String topic, Object event) {
-        logger.debug("{}: encode {}:{}:{}:{}", this, groupId, artifactId, topic, event);
-        return this.encoders.encode(groupId, artifactId, topic, event);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String encode(String topic, Object event) {
-        logger.debug("{}: encode {}:{}", this, topic, event);
-        return this.encoders.encode(topic, event);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String encode(String topic, Object event, DroolsController droolsController) {
-        logger.debug("{}: encode {}:{}:{}", this, topic, event, droolsController);
-        return this.encoders.encode(topic, event, droolsController);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<CoderFilters> getDecoderFilters(String groupId, String artifactId, String topic) {
-        return this.decoders.getFilters(groupId, artifactId, topic);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public CoderFilters getDecoderFilters(
-            String groupId, String artifactId, String topic, String classname) {
-        return this.decoders.getFilters(groupId, artifactId, topic, classname);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<CoderFilters> getDecoderFilters(String groupId, String artifactId) {
-        return this.decoders.getFilters(groupId, artifactId);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public ProtocolCoderToolset getDecoders(String groupId, String artifactId, String topic) {
-        ProtocolCoderToolset decoderToolsets =
-                this.decoders.getCoders(groupId, artifactId, topic);
-        if (decoderToolsets == null) {
-            throw new IllegalArgumentException(
-                    "Decoders not found for " + groupId + ":" + artifactId + ":" + topic);
-        }
-
-        return decoderToolsets;
-    }
-
-    /**
-     * get all deocders by maven coordinates and topic.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @return list of decoders
-     * @throws IllegalArgumentException if invalid input
-     */
-    @Override
-    public List<ProtocolCoderToolset> getDecoders(String groupId, String artifactId) {
-
-        List<ProtocolCoderToolset> decoderToolsets =
-                this.decoders.getCoders(groupId, artifactId);
-        if (decoderToolsets == null) {
-            throw new IllegalArgumentException("Decoders not found for " + groupId + ":" + artifactId);
-        }
-
-        return new ArrayList<>(decoderToolsets);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<CoderFilters> getEncoderFilters(String groupId, String artifactId, String topic) {
-        return this.encoders.getFilters(groupId, artifactId, topic);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public CoderFilters getEncoderFilters(
-            String groupId, String artifactId, String topic, String classname) {
-        return this.encoders.getFilters(groupId, artifactId, topic, classname);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<CoderFilters> getEncoderFilters(String groupId, String artifactId) {
-        return this.encoders.getFilters(groupId, artifactId);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<CoderFilters> getReverseEncoderFilters(String topic, String encodedClass) {
-        return this.encoders.getReverseFilters(topic, encodedClass);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public DroolsController getDroolsController(String topic, Object encodedClass) {
-        return this.encoders.getDroolsController(topic, encodedClass);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<DroolsController> getDroolsControllers(String topic, Object encodedClass) {
-        return this.encoders.getDroolsControllers(topic, encodedClass);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        return "MultiplexorEventProtocolCoder [decoders="
-                + decoders
-                + ", encoders="
-                + encoders
-                + "]";
-    }
-}
-
-/**
- * This protocol Coder that does its best attempt to decode/encode, selecting the best class and best fitted json
- * parsing tools.
- */
-abstract class GenericEventProtocolCoder {
-
-    private static final String INVALID_ARTIFACT_ID_MSG = "Invalid artifact id";
-
-    private static final String INVALID_GROUP_ID_MSG = "Invalid group id";
-
-    private static final String INVALID_TOPIC_MSG = "Invalid Topic";
-
-    private static final String UNSUPPORTED_MSG = "Unsupported";
-
-    private static final String MISSING_CLASS = "class must be provided";
-
-    private static Logger logger = LoggerFactory.getLogger(GenericEventProtocolCoder.class);
-
-    /**
-     * Mapping topic:controller-id -> /<protocol-decoder-toolset/> where protocol-coder-toolset contains
-     * a gson-protocol-coder-toolset.
-     */
-    protected final HashMap<String, ProtocolCoderToolset> coders =
-            new HashMap<>();
-
-    /**
-     * Mapping topic + classname -> Protocol Set.
-     */
-    protected final HashMap<String, List<ProtocolCoderToolset>>
-            reverseCoders = new HashMap<>();
-
-    GenericEventProtocolCoder() {
-        super();
-    }
-
-    /**
-     * Index a new coder.
-     *
-     * @param eventProtocolParams parameter object for event encoder
-     * @throw IllegalArgumentException if an invalid parameter is passed
-     */
-    public void add(EventProtocolParams eventProtocolParams) {
-        if (eventProtocolParams.getGroupId() == null || eventProtocolParams.getGroupId().isEmpty()) {
-            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
-        }
-
-        if (eventProtocolParams.getArtifactId() == null || eventProtocolParams.getArtifactId().isEmpty()) {
-            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
-        }
-
-        if (eventProtocolParams.getTopic() == null || eventProtocolParams.getTopic().isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        if (eventProtocolParams.getEventClass() == null) {
-            throw new IllegalArgumentException("Invalid Event Class");
-        }
-
-        String key = this.codersKey(eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(),
-                eventProtocolParams.getTopic());
-        String reverseKey = this.reverseCodersKey(eventProtocolParams.getTopic(), eventProtocolParams.getEventClass());
-
-        synchronized (this) {
-            if (coders.containsKey(key)) {
-                ProtocolCoderToolset toolset = coders.get(key);
-
-                logger.info("{}: adding coders for existing {}: {}", this, key, toolset);
-
-                toolset
-                        .addCoder(
-                                eventProtocolParams.getEventClass(),
-                                eventProtocolParams.getProtocolFilter(),
-                                eventProtocolParams.getModelClassLoaderHash());
-
-                if (!reverseCoders.containsKey(reverseKey)) {
-                    logger.info(
-                            "{}: adding new reverse coders (multiple classes case) for {}:{}: {}",
-                            this,
-                            reverseKey,
-                            key,
-                            toolset);
-
-                    List<ProtocolCoderToolset> reverseMappings =
-                            new ArrayList<>();
-                    reverseMappings.add(toolset);
-                    reverseCoders.put(reverseKey, reverseMappings);
-                }
-                return;
-            }
-
-            GsonProtocolCoderToolset coderTools =
-                    new GsonProtocolCoderToolset(eventProtocolParams, key);
-
-            logger.info("{}: adding coders for new {}: {}", this, key, coderTools);
-
-            coders.put(key, coderTools);
-
-            if (reverseCoders.containsKey(reverseKey)) {
-                // There is another controller (different group id/artifact id/topic)
-                // that shares the class and the topic.
-
-                List<ProtocolCoderToolset> toolsets =
-                        reverseCoders.get(reverseKey);
-                boolean present = false;
-                for (ProtocolCoderToolset parserSet : toolsets) {
-                    // just doublecheck
-                    present = parserSet.getControllerId().equals(key);
-                    if (present) {
-                        /* anomaly */
-                        logger.error(
-                                "{}: unexpected toolset reverse mapping found for {}:{}: {}",
-                                this,
-                                reverseKey,
-                                key,
-                                parserSet);
-                    }
-                }
-
-                if (present) {
-                    return;
-                } else {
-                    logger.info("{}: adding coder set for {}: {} ", this, reverseKey, coderTools);
-                    toolsets.add(coderTools);
-                }
-            } else {
-                List<ProtocolCoderToolset> toolsets = new ArrayList<>();
-                toolsets.add(coderTools);
-
-                logger.info("{}: adding toolset for reverse key {}: {}", this, reverseKey, toolsets);
-                reverseCoders.put(reverseKey, toolsets);
-            }
-        }
-    }
-
-    /**
-     * produces key for indexing toolset entries.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @return index key
-     */
-    protected String codersKey(String groupId, String artifactId, String topic) {
-        return groupId + ":" + artifactId + ":" + topic;
-    }
-
-    /**
-     * produces a key for the reverse index.
-     *
-     * @param topic      topic
-     * @param eventClass coded class
-     * @return reverse index key
-     */
-    protected String reverseCodersKey(String topic, String eventClass) {
-        return topic + ":" + eventClass;
-    }
-
-    /**
-     * remove coder.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @throws IllegalArgumentException if invalid input
-     */
-    public void remove(String groupId, String artifactId, String topic) {
-
-        if (groupId == null || groupId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
-        }
-
-        if (artifactId == null || artifactId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
-        }
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        String key = this.codersKey(groupId, artifactId, topic);
-
-        synchronized (this) {
-            if (coders.containsKey(key)) {
-                ProtocolCoderToolset coderToolset = coders.remove(key);
-
-                logger.info("{}: removed toolset for {}: {}", this, key, coderToolset);
-
-                for (CoderFilters codeFilter : coderToolset.getCoders()) {
-                    String className = codeFilter.getCodedClass();
-                    String reverseKey = this.reverseCodersKey(topic, className);
-                    if (this.reverseCoders.containsKey(reverseKey)) {
-                        List<ProtocolCoderToolset> toolsets =
-                                this.reverseCoders.get(reverseKey);
-                        Iterator<ProtocolCoderToolset> toolsetsIter =
-                                toolsets.iterator();
-                        while (toolsetsIter.hasNext()) {
-                            ProtocolCoderToolset toolset = toolsetsIter.next();
-                            if (toolset.getControllerId().equals(key)) {
-                                logger.info(
-                                        "{}: removed coder from toolset for {} from reverse mapping", this, reverseKey);
-                                toolsetsIter.remove();
-                            }
-                        }
-
-                        if (this.reverseCoders.get(reverseKey).isEmpty()) {
-                            logger.info("{}: removing reverse mapping for {}: ", this, reverseKey);
-                            this.reverseCoders.remove(reverseKey);
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    /**
-     * does it support coding.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @return true if its is codable
-     */
-    public boolean isCodingSupported(String groupId, String artifactId, String topic) {
-
-        if (groupId == null || groupId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
-        }
-
-        if (artifactId == null || artifactId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
-        }
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        String key = this.codersKey(groupId, artifactId, topic);
-        synchronized (this) {
-            return coders.containsKey(key);
-        }
-    }
-
-    /**
-     * decode a json string into an Object.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @param json       json string to convert to object
-     * @return the decoded object
-     * @throws IllegalArgumentException      if invalid argument is provided
-     * @throws UnsupportedOperationException if the operation cannot be performed
-     */
-    public Object decode(String groupId, String artifactId, String topic, String json) {
-
-        if (!isCodingSupported(groupId, artifactId, topic)) {
-            throw new IllegalArgumentException(
-                    "Unsupported:" + codersKey(groupId, artifactId, topic) + " for encoding");
-        }
-
-        String key = this.codersKey(groupId, artifactId, topic);
-        ProtocolCoderToolset coderTools = coders.get(key);
-        try {
-            Object event = coderTools.decode(json);
-            if (event != null) {
-                return event;
-            }
-        } catch (Exception e) {
-            logger.debug("{}, cannot decode {}", this, json, e);
-        }
-
-        throw new UnsupportedOperationException("Cannot decode with gson");
-    }
-
-    /**
-     * encode an object into a json string.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @param event      object to convert to string
-     * @return the json string
-     * @throws IllegalArgumentException      if invalid argument is provided
-     * @throws UnsupportedOperationException if the operation cannot be performed
-     */
-    public String encode(String groupId, String artifactId, String topic, Object event) {
-
-        if (!isCodingSupported(groupId, artifactId, topic)) {
-            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
-        }
-
-        if (event == null) {
-            throw new IllegalArgumentException("Unsupported topic:" + topic);
-        }
-
-        // reuse the decoder set, since there must be affinity in the model
-        String key = this.codersKey(groupId, artifactId, topic);
-        return this.encodeInternal(key, event);
-    }
-
-    /**
-     * encode an object into a json string.
-     *
-     * @param topic topic
-     * @param event object to convert to string
-     * @return the json string
-     * @throws IllegalArgumentException      if invalid argument is provided
-     * @throws UnsupportedOperationException if the operation cannot be performed
-     */
-    public String encode(String topic, Object event) {
-
-        if (event == null) {
-            throw new IllegalArgumentException("Invalid encoded class");
-        }
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException("Invalid topic");
-        }
-
-        String reverseKey = this.reverseCodersKey(topic, event.getClass().getName());
-        if (!this.reverseCoders.containsKey(reverseKey)) {
-            throw new IllegalArgumentException("no reverse coder has been found");
-        }
-
-        List<ProtocolCoderToolset> toolsets =
-                this.reverseCoders.get(reverseKey);
-
-        String key =
-                codersKey(
-                        toolsets.get(0).getGroupId(), toolsets.get(0).getArtifactId(), topic);
-        return this.encodeInternal(key, event);
-    }
-
-    /**
-     * encode an object into a json string.
-     *
-     * @param topic        topic
-     * @param encodedClass object to convert to string
-     * @return the json string
-     * @throws IllegalArgumentException      if invalid argument is provided
-     * @throws UnsupportedOperationException if the operation cannot be performed
-     */
-    public String encode(String topic, Object encodedClass, DroolsController droolsController) {
-
-        if (encodedClass == null) {
-            throw new IllegalArgumentException("Invalid encoded class");
-        }
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException("Invalid topic");
-        }
-
-        String key = codersKey(droolsController.getGroupId(), droolsController.getArtifactId(), topic);
-        return this.encodeInternal(key, encodedClass);
-    }
-
-    /**
-     * encode an object into a json string.
-     *
-     * @param key   identifier
-     * @param event object to convert to string
-     * @return the json string
-     * @throws IllegalArgumentException      if invalid argument is provided
-     * @throws UnsupportedOperationException if the operation cannot be performed
-     */
-    protected String encodeInternal(String key, Object event) {
-
-        logger.debug("{}: encode for {}: {}", this, key, event);
-
-        ProtocolCoderToolset coderTools = coders.get(key);
-        try {
-            String json = coderTools.encode(event);
-            if (json != null && !json.isEmpty()) {
-                return json;
-            }
-        } catch (Exception e) {
-            logger.warn("{}: cannot encode (first) for {}: {}", this, key, event, e);
-        }
-
-        throw new UnsupportedOperationException("Cannot decode with gson");
-    }
-
-    /**
-     * Drools creators.
-     *
-     * @param topic        topic
-     * @param encodedClass encoded class
-     * @return list of controllers
-     * @throws IllegalStateException    illegal state
-     * @throws IllegalArgumentException argument
-     */
-    protected List<DroolsController> droolsCreators(String topic, Object encodedClass) {
-
-        List<DroolsController> droolsControllers = new ArrayList<>();
-
-        String reverseKey = this.reverseCodersKey(topic, encodedClass.getClass().getName());
-        if (!this.reverseCoders.containsKey(reverseKey)) {
-            logger.warn("{}: no reverse mapping for {}", this, reverseKey);
-            return droolsControllers;
-        }
-
-        List<ProtocolCoderToolset> toolsets =
-                this.reverseCoders.get(reverseKey);
-
-        // There must be multiple toolsets associated with <topic,classname> reverseKey
-        // case 2 different controllers use the same models and register the same encoder for
-        // the same topic.  This is assumed not to occur often but for the purpose of encoding
-        // but there should be no side-effects.  Ownership is crosscheck against classname and
-        // classloader reference.
-
-        if (toolsets == null || toolsets.isEmpty()) {
-            throw new IllegalStateException(
-                    "No Encoders toolsets available for topic "
-                            + topic
-                            + " encoder "
-                            + encodedClass.getClass().getName());
-        }
-
-        for (ProtocolCoderToolset encoderSet : toolsets) {
-            // figure out the right toolset
-            String groupId = encoderSet.getGroupId();
-            String artifactId = encoderSet.getArtifactId();
-            List<CoderFilters> coderFilters = encoderSet.getCoders();
-            for (CoderFilters coder : coderFilters) {
-                if (coder.getCodedClass().equals(encodedClass.getClass().getName())) {
-                    DroolsController droolsController = DroolsController.factory.get(groupId, artifactId, "");
-                    if (droolsController.ownsCoder(
-                            encodedClass.getClass(), coder.getModelClassLoaderHash())) {
-                        droolsControllers.add(droolsController);
-                    }
-                }
-            }
-        }
-
-        if (droolsControllers.isEmpty()) {
-            throw new IllegalStateException(
-                    "No Encoders toolsets available for "
-                            + topic
-                            + ":"
-                            + encodedClass.getClass().getName());
-        }
-
-        return droolsControllers;
-    }
-
-    /**
-     * get all filters by maven coordinates and topic.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @return list of coders
-     * @throws IllegalArgumentException if invalid input
-     */
-    public List<CoderFilters> getFilters(String groupId, String artifactId, String topic) {
-
-        if (!isCodingSupported(groupId, artifactId, topic)) {
-            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
-        }
-
-        String key = this.codersKey(groupId, artifactId, topic);
-        ProtocolCoderToolset coderTools = coders.get(key);
-        return coderTools.getCoders();
-    }
-
-    /**
-     * get all coders by maven coordinates and topic.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @return list of coders
-     * @throws IllegalArgumentException if invalid input
-     */
-    public List<CoderFilters> getFilters(String groupId, String artifactId) {
-
-        if (groupId == null || groupId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
-        }
-
-        if (artifactId == null || artifactId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
-        }
-
-        String key = this.codersKey(groupId, artifactId, "");
-
-        List<CoderFilters> codersFilters = new ArrayList<>();
-        for (Map.Entry<String, ProtocolCoderToolset> entry :
-                coders.entrySet()) {
-            if (entry.getKey().startsWith(key)) {
-                codersFilters.addAll(entry.getValue().getCoders());
-            }
-        }
-
-        return codersFilters;
-    }
-
-    /**
-     * get all filters by maven coordinates, topic, and classname.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @param classname  classname
-     * @return list of coders
-     * @throws IllegalArgumentException if invalid input
-     */
-    public CoderFilters getFilters(
-            String groupId, String artifactId, String topic, String classname) {
-
-        if (!isCodingSupported(groupId, artifactId, topic)) {
-            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
-        }
-
-        if (classname == null || classname.isEmpty()) {
-            throw new IllegalArgumentException("classname must be provided");
-        }
-
-        String key = this.codersKey(groupId, artifactId, topic);
-        ProtocolCoderToolset coderTools = coders.get(key);
-        return coderTools.getCoder(classname);
-    }
-
-    /**
-     * get all coders by maven coordinates and topic.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @param topic      topic
-     * @return list of coders
-     * @throws IllegalArgumentException if invalid input
-     */
-    public ProtocolCoderToolset getCoders(
-            String groupId, String artifactId, String topic) {
-
-        if (!isCodingSupported(groupId, artifactId, topic)) {
-            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
-        }
-
-        String key = this.codersKey(groupId, artifactId, topic);
-        return coders.get(key);
-    }
-
-    /**
-     * get all coders by maven coordinates and topic.
-     *
-     * @param groupId    group id
-     * @param artifactId artifact id
-     * @return list of coders
-     * @throws IllegalArgumentException if invalid input
-     */
-    public List<ProtocolCoderToolset> getCoders(
-            String groupId, String artifactId) {
-
-        if (groupId == null || groupId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
-        }
-
-        if (artifactId == null || artifactId.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
-        }
-
-        String key = this.codersKey(groupId, artifactId, "");
-
-        List<ProtocolCoderToolset> coderToolset = new ArrayList<>();
-        for (Map.Entry<String, ProtocolCoderToolset> entry :
-                coders.entrySet()) {
-            if (entry.getKey().startsWith(key)) {
-                coderToolset.add(entry.getValue());
-            }
-        }
-
-        return coderToolset;
-    }
-
-    /**
-     * get coded based on class and topic.
-     *
-     * @param topic      topic
-     * @param codedClass class
-     * @return list of reverse filters
-     */
-    public List<CoderFilters> getReverseFilters(String topic, String codedClass) {
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(UNSUPPORTED_MSG);
-        }
-
-        if (codedClass == null) {
-            throw new IllegalArgumentException(MISSING_CLASS);
-        }
-
-        String key = this.reverseCodersKey(topic, codedClass);
-        List<ProtocolCoderToolset> toolsets = this.reverseCoders.get(key);
-        if (toolsets == null) {
-            throw new IllegalArgumentException("No Coder found for " + key);
-        }
-
-        List<CoderFilters> coderFilters = new ArrayList<>();
-        for (ProtocolCoderToolset toolset : toolsets) {
-            coderFilters.addAll(toolset.getCoders());
-        }
-
-        return coderFilters;
-    }
-
-    /**
-     * returns group and artifact id of the creator of the encoder.
-     *
-     * @param topic topic
-     * @param fact  fact
-     * @return the drools controller
-     */
-    DroolsController getDroolsController(String topic, Object fact) {
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(UNSUPPORTED_MSG);
-        }
-
-        if (fact == null) {
-            throw new IllegalArgumentException(MISSING_CLASS);
-        }
-
-        List<DroolsController> droolsControllers = droolsCreators(topic, fact);
-
-        if (droolsControllers.isEmpty()) {
-            throw new IllegalArgumentException("Invalid Topic: " + topic);
-        }
-
-        if (droolsControllers.size() > 1) {
-            logger.warn(
-                    "{}: multiple drools-controller {} for {}:{} ",
-                    this,
-                    droolsControllers,
-                    topic,
-                    fact.getClass().getName());
-            // continue
-        }
-        return droolsControllers.get(0);
-    }
-
-    /**
-     * returns group and artifact id of the creator of the encoder.
-     *
-     * @param topic topic
-     * @param fact  fact
-     * @return list of drools controllers
-     */
-    List<DroolsController> getDroolsControllers(String topic, Object fact) {
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(UNSUPPORTED_MSG);
-        }
-
-        if (fact == null) {
-            throw new IllegalArgumentException(MISSING_CLASS);
-        }
-
-        List<DroolsController> droolsControllers = droolsCreators(topic, fact);
-        if (droolsControllers.size() > 1) {
-            // unexpected
-            logger.warn(
-                    "{}: multiple drools-controller {} for {}:{} ",
-                    this,
-                    droolsControllers,
-                    topic,
-                    fact.getClass().getName());
-            // continue
-        }
-        return droolsControllers;
-    }
-
-    @Override
-    public String toString() {
-        return "GenericEventProtocolCoder [coders="
-                + coders.keySet()
-                + ", reverseCoders="
-                + reverseCoders.keySet()
-                + "]";
-    }
-}
-
-class EventProtocolDecoder extends GenericEventProtocolCoder {
-
-    public EventProtocolDecoder() {
-        super();
-    }
-
-    @Override
-    public String toString() {
-        return "EventProtocolDecoder [toString()=" + super.toString() + "]";
-    }
-}
-
-class EventProtocolEncoder extends GenericEventProtocolCoder {
-
-    public EventProtocolEncoder() {
-        super();
-    }
-
-    @Override
-    public String toString() {
-        return "EventProtocolEncoder [toString()=" + super.toString() + "]";
-    }
-}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolDecoder.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolDecoder.java
new file mode 100644
index 00000000..6bb3a623
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolDecoder.java
@@ -0,0 +1,33 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.protocol.coders;
+
+class EventProtocolDecoder extends GenericEventProtocolCoder {
+
+    public EventProtocolDecoder() {
+        super();
+    }
+
+    @Override
+    public String toString() {
+        return "EventProtocolDecoder [toString()=" + super.toString() + "]";
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolEncoder.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolEncoder.java
new file mode 100644
index 00000000..461c66a8
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/EventProtocolEncoder.java
@@ -0,0 +1,33 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.protocol.coders;
+
+class EventProtocolEncoder extends GenericEventProtocolCoder {
+
+    public EventProtocolEncoder() {
+        super();
+    }
+
+    @Override
+    public String toString() {
+        return "EventProtocolEncoder [toString()=" + super.toString() + "]";
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/GenericEventProtocolCoder.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/GenericEventProtocolCoder.java
new file mode 100644
index 00000000..8643da3d
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/GenericEventProtocolCoder.java
@@ -0,0 +1,712 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.protocol.coders;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import org.onap.policy.drools.controller.DroolsController;
+import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This protocol Coder that does its best attempt to decode/encode, selecting the best class and best fitted json
+ * parsing tools.
+ */
+abstract class GenericEventProtocolCoder {
+
+    private static final String INVALID_ARTIFACT_ID_MSG = "Invalid artifact id";
+
+    private static final String INVALID_GROUP_ID_MSG = "Invalid group id";
+
+    private static final String INVALID_TOPIC_MSG = "Invalid Topic";
+
+    private static final String UNSUPPORTED_MSG = "Unsupported";
+
+    private static final String MISSING_CLASS = "class must be provided";
+
+    private static Logger logger = LoggerFactory.getLogger(GenericEventProtocolCoder.class);
+
+    /**
+     * Mapping topic:controller-id -> /<protocol-decoder-toolset/> where protocol-coder-toolset contains
+     * a gson-protocol-coder-toolset.
+     */
+    protected final HashMap<String, ProtocolCoderToolset> coders =
+            new HashMap<>();
+
+    /**
+     * Mapping topic + classname -> Protocol Set.
+     */
+    protected final HashMap<String, List<ProtocolCoderToolset>>
+            reverseCoders = new HashMap<>();
+
+    GenericEventProtocolCoder() {
+        super();
+    }
+
+    /**
+     * Index a new coder.
+     *
+     * @param eventProtocolParams parameter object for event encoder
+     * @throw IllegalArgumentException if an invalid parameter is passed
+     */
+    public void add(EventProtocolParams eventProtocolParams) {
+        if (eventProtocolParams.getGroupId() == null || eventProtocolParams.getGroupId().isEmpty()) {
+            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
+        }
+
+        if (eventProtocolParams.getArtifactId() == null || eventProtocolParams.getArtifactId().isEmpty()) {
+            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
+        }
+
+        if (eventProtocolParams.getTopic() == null || eventProtocolParams.getTopic().isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        if (eventProtocolParams.getEventClass() == null) {
+            throw new IllegalArgumentException("Invalid Event Class");
+        }
+
+        String key = this.codersKey(eventProtocolParams.getGroupId(), eventProtocolParams.getArtifactId(),
+                eventProtocolParams.getTopic());
+        String reverseKey = this.reverseCodersKey(eventProtocolParams.getTopic(), eventProtocolParams.getEventClass());
+
+        synchronized (this) {
+            if (coders.containsKey(key)) {
+                ProtocolCoderToolset toolset = coders.get(key);
+
+                logger.info("{}: adding coders for existing {}: {}", this, key, toolset);
+
+                toolset
+                        .addCoder(
+                                eventProtocolParams.getEventClass(),
+                                eventProtocolParams.getProtocolFilter(),
+                                eventProtocolParams.getModelClassLoaderHash());
+
+                if (!reverseCoders.containsKey(reverseKey)) {
+                    logger.info(
+                            "{}: adding new reverse coders (multiple classes case) for {}:{}: {}",
+                            this,
+                            reverseKey,
+                            key,
+                            toolset);
+
+                    List<ProtocolCoderToolset> reverseMappings =
+                            new ArrayList<>();
+                    reverseMappings.add(toolset);
+                    reverseCoders.put(reverseKey, reverseMappings);
+                }
+                return;
+            }
+
+            GsonProtocolCoderToolset coderTools =
+                    new GsonProtocolCoderToolset(eventProtocolParams, key);
+
+            logger.info("{}: adding coders for new {}: {}", this, key, coderTools);
+
+            coders.put(key, coderTools);
+
+            if (reverseCoders.containsKey(reverseKey)) {
+                // There is another controller (different group id/artifact id/topic)
+                // that shares the class and the topic.
+
+                List<ProtocolCoderToolset> toolsets =
+                        reverseCoders.get(reverseKey);
+                boolean present = false;
+                for (ProtocolCoderToolset parserSet : toolsets) {
+                    // just doublecheck
+                    present = parserSet.getControllerId().equals(key);
+                    if (present) {
+                        /* anomaly */
+                        logger.error(
+                                "{}: unexpected toolset reverse mapping found for {}:{}: {}",
+                                this,
+                                reverseKey,
+                                key,
+                                parserSet);
+                    }
+                }
+
+                if (present) {
+                    return;
+                } else {
+                    logger.info("{}: adding coder set for {}: {} ", this, reverseKey, coderTools);
+                    toolsets.add(coderTools);
+                }
+            } else {
+                List<ProtocolCoderToolset> toolsets = new ArrayList<>();
+                toolsets.add(coderTools);
+
+                logger.info("{}: adding toolset for reverse key {}: {}", this, reverseKey, toolsets);
+                reverseCoders.put(reverseKey, toolsets);
+            }
+        }
+    }
+
+    /**
+     * produces key for indexing toolset entries.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @return index key
+     */
+    protected String codersKey(String groupId, String artifactId, String topic) {
+        return groupId + ":" + artifactId + ":" + topic;
+    }
+
+    /**
+     * produces a key for the reverse index.
+     *
+     * @param topic      topic
+     * @param eventClass coded class
+     * @return reverse index key
+     */
+    protected String reverseCodersKey(String topic, String eventClass) {
+        return topic + ":" + eventClass;
+    }
+
+    /**
+     * remove coder.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @throws IllegalArgumentException if invalid input
+     */
+    public void remove(String groupId, String artifactId, String topic) {
+
+        if (groupId == null || groupId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
+        }
+
+        if (artifactId == null || artifactId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
+        }
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        String key = this.codersKey(groupId, artifactId, topic);
+
+        synchronized (this) {
+            if (coders.containsKey(key)) {
+                ProtocolCoderToolset coderToolset = coders.remove(key);
+
+                logger.info("{}: removed toolset for {}: {}", this, key, coderToolset);
+
+                for (CoderFilters codeFilter : coderToolset.getCoders()) {
+                    String className = codeFilter.getCodedClass();
+                    String reverseKey = this.reverseCodersKey(topic, className);
+                    if (this.reverseCoders.containsKey(reverseKey)) {
+                        List<ProtocolCoderToolset> toolsets =
+                                this.reverseCoders.get(reverseKey);
+                        Iterator<ProtocolCoderToolset> toolsetsIter =
+                                toolsets.iterator();
+                        while (toolsetsIter.hasNext()) {
+                            ProtocolCoderToolset toolset = toolsetsIter.next();
+                            if (toolset.getControllerId().equals(key)) {
+                                logger.info(
+                                        "{}: removed coder from toolset for {} from reverse mapping", this, reverseKey);
+                                toolsetsIter.remove();
+                            }
+                        }
+
+                        if (this.reverseCoders.get(reverseKey).isEmpty()) {
+                            logger.info("{}: removing reverse mapping for {}: ", this, reverseKey);
+                            this.reverseCoders.remove(reverseKey);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * does it support coding.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @return true if its is codable
+     */
+    public boolean isCodingSupported(String groupId, String artifactId, String topic) {
+
+        if (groupId == null || groupId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
+        }
+
+        if (artifactId == null || artifactId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
+        }
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        String key = this.codersKey(groupId, artifactId, topic);
+        synchronized (this) {
+            return coders.containsKey(key);
+        }
+    }
+
+    /**
+     * decode a json string into an Object.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @param json       json string to convert to object
+     * @return the decoded object
+     * @throws IllegalArgumentException      if invalid argument is provided
+     * @throws UnsupportedOperationException if the operation cannot be performed
+     */
+    public Object decode(String groupId, String artifactId, String topic, String json) {
+
+        if (!isCodingSupported(groupId, artifactId, topic)) {
+            throw new IllegalArgumentException(
+                    "Unsupported:" + codersKey(groupId, artifactId, topic) + " for encoding");
+        }
+
+        String key = this.codersKey(groupId, artifactId, topic);
+        ProtocolCoderToolset coderTools = coders.get(key);
+        try {
+            Object event = coderTools.decode(json);
+            if (event != null) {
+                return event;
+            }
+        } catch (Exception e) {
+            logger.debug("{}, cannot decode {}", this, json, e);
+        }
+
+        throw new UnsupportedOperationException("Cannot decode with gson");
+    }
+
+    /**
+     * encode an object into a json string.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @param event      object to convert to string
+     * @return the json string
+     * @throws IllegalArgumentException      if invalid argument is provided
+     * @throws UnsupportedOperationException if the operation cannot be performed
+     */
+    public String encode(String groupId, String artifactId, String topic, Object event) {
+
+        if (!isCodingSupported(groupId, artifactId, topic)) {
+            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
+        }
+
+        if (event == null) {
+            throw new IllegalArgumentException("Unsupported topic:" + topic);
+        }
+
+        // reuse the decoder set, since there must be affinity in the model
+        String key = this.codersKey(groupId, artifactId, topic);
+        return this.encodeInternal(key, event);
+    }
+
+    /**
+     * encode an object into a json string.
+     *
+     * @param topic topic
+     * @param event object to convert to string
+     * @return the json string
+     * @throws IllegalArgumentException      if invalid argument is provided
+     * @throws UnsupportedOperationException if the operation cannot be performed
+     */
+    public String encode(String topic, Object event) {
+
+        if (event == null) {
+            throw new IllegalArgumentException("Invalid encoded class");
+        }
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException("Invalid topic");
+        }
+
+        String reverseKey = this.reverseCodersKey(topic, event.getClass().getName());
+        if (!this.reverseCoders.containsKey(reverseKey)) {
+            throw new IllegalArgumentException("no reverse coder has been found");
+        }
+
+        List<ProtocolCoderToolset> toolsets =
+                this.reverseCoders.get(reverseKey);
+
+        String key =
+                codersKey(
+                        toolsets.get(0).getGroupId(), toolsets.get(0).getArtifactId(), topic);
+        return this.encodeInternal(key, event);
+    }
+
+    /**
+     * encode an object into a json string.
+     *
+     * @param topic        topic
+     * @param encodedClass object to convert to string
+     * @return the json string
+     * @throws IllegalArgumentException      if invalid argument is provided
+     * @throws UnsupportedOperationException if the operation cannot be performed
+     */
+    public String encode(String topic, Object encodedClass, DroolsController droolsController) {
+
+        if (encodedClass == null) {
+            throw new IllegalArgumentException("Invalid encoded class");
+        }
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException("Invalid topic");
+        }
+
+        String key = codersKey(droolsController.getGroupId(), droolsController.getArtifactId(), topic);
+        return this.encodeInternal(key, encodedClass);
+    }
+
+    /**
+     * encode an object into a json string.
+     *
+     * @param key   identifier
+     * @param event object to convert to string
+     * @return the json string
+     * @throws IllegalArgumentException      if invalid argument is provided
+     * @throws UnsupportedOperationException if the operation cannot be performed
+     */
+    protected String encodeInternal(String key, Object event) {
+
+        logger.debug("{}: encode for {}: {}", this, key, event);
+
+        ProtocolCoderToolset coderTools = coders.get(key);
+        try {
+            String json = coderTools.encode(event);
+            if (json != null && !json.isEmpty()) {
+                return json;
+            }
+        } catch (Exception e) {
+            logger.warn("{}: cannot encode (first) for {}: {}", this, key, event, e);
+        }
+
+        throw new UnsupportedOperationException("Cannot decode with gson");
+    }
+
+    /**
+     * Drools creators.
+     *
+     * @param topic        topic
+     * @param encodedClass encoded class
+     * @return list of controllers
+     * @throws IllegalStateException    illegal state
+     * @throws IllegalArgumentException argument
+     */
+    protected List<DroolsController> droolsCreators(String topic, Object encodedClass) {
+
+        List<DroolsController> droolsControllers = new ArrayList<>();
+
+        String reverseKey = this.reverseCodersKey(topic, encodedClass.getClass().getName());
+        if (!this.reverseCoders.containsKey(reverseKey)) {
+            logger.warn("{}: no reverse mapping for {}", this, reverseKey);
+            return droolsControllers;
+        }
+
+        List<ProtocolCoderToolset> toolsets =
+                this.reverseCoders.get(reverseKey);
+
+        // There must be multiple toolsets associated with <topic,classname> reverseKey
+        // case 2 different controllers use the same models and register the same encoder for
+        // the same topic.  This is assumed not to occur often but for the purpose of encoding
+        // but there should be no side-effects.  Ownership is crosscheck against classname and
+        // classloader reference.
+
+        if (toolsets == null || toolsets.isEmpty()) {
+            throw new IllegalStateException(
+                    "No Encoders toolsets available for topic "
+                            + topic
+                            + " encoder "
+                            + encodedClass.getClass().getName());
+        }
+
+        for (ProtocolCoderToolset encoderSet : toolsets) {
+            // figure out the right toolset
+            String groupId = encoderSet.getGroupId();
+            String artifactId = encoderSet.getArtifactId();
+            List<CoderFilters> coderFilters = encoderSet.getCoders();
+            for (CoderFilters coder : coderFilters) {
+                if (coder.getCodedClass().equals(encodedClass.getClass().getName())) {
+                    DroolsController droolsController = DroolsController.factory.get(groupId, artifactId, "");
+                    if (droolsController.ownsCoder(
+                            encodedClass.getClass(), coder.getModelClassLoaderHash())) {
+                        droolsControllers.add(droolsController);
+                    }
+                }
+            }
+        }
+
+        if (droolsControllers.isEmpty()) {
+            throw new IllegalStateException(
+                    "No Encoders toolsets available for "
+                            + topic
+                            + ":"
+                            + encodedClass.getClass().getName());
+        }
+
+        return droolsControllers;
+    }
+
+    /**
+     * get all filters by maven coordinates and topic.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @return list of coders
+     * @throws IllegalArgumentException if invalid input
+     */
+    public List<CoderFilters> getFilters(String groupId, String artifactId, String topic) {
+
+        if (!isCodingSupported(groupId, artifactId, topic)) {
+            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
+        }
+
+        String key = this.codersKey(groupId, artifactId, topic);
+        ProtocolCoderToolset coderTools = coders.get(key);
+        return coderTools.getCoders();
+    }
+
+    /**
+     * get all coders by maven coordinates and topic.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @return list of coders
+     * @throws IllegalArgumentException if invalid input
+     */
+    public List<CoderFilters> getFilters(String groupId, String artifactId) {
+
+        if (groupId == null || groupId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
+        }
+
+        if (artifactId == null || artifactId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
+        }
+
+        String key = this.codersKey(groupId, artifactId, "");
+
+        List<CoderFilters> codersFilters = new ArrayList<>();
+        for (Map.Entry<String, ProtocolCoderToolset> entry :
+                coders.entrySet()) {
+            if (entry.getKey().startsWith(key)) {
+                codersFilters.addAll(entry.getValue().getCoders());
+            }
+        }
+
+        return codersFilters;
+    }
+
+    /**
+     * get all filters by maven coordinates, topic, and classname.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @param classname  classname
+     * @return list of coders
+     * @throws IllegalArgumentException if invalid input
+     */
+    public CoderFilters getFilters(
+            String groupId, String artifactId, String topic, String classname) {
+
+        if (!isCodingSupported(groupId, artifactId, topic)) {
+            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
+        }
+
+        if (classname == null || classname.isEmpty()) {
+            throw new IllegalArgumentException("classname must be provided");
+        }
+
+        String key = this.codersKey(groupId, artifactId, topic);
+        ProtocolCoderToolset coderTools = coders.get(key);
+        return coderTools.getCoder(classname);
+    }
+
+    /**
+     * get all coders by maven coordinates and topic.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @param topic      topic
+     * @return list of coders
+     * @throws IllegalArgumentException if invalid input
+     */
+    public ProtocolCoderToolset getCoders(
+            String groupId, String artifactId, String topic) {
+
+        if (!isCodingSupported(groupId, artifactId, topic)) {
+            throw new IllegalArgumentException("Unsupported:" + codersKey(groupId, artifactId, topic));
+        }
+
+        String key = this.codersKey(groupId, artifactId, topic);
+        return coders.get(key);
+    }
+
+    /**
+     * get all coders by maven coordinates and topic.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @return list of coders
+     * @throws IllegalArgumentException if invalid input
+     */
+    public List<ProtocolCoderToolset> getCoders(
+            String groupId, String artifactId) {
+
+        if (groupId == null || groupId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_GROUP_ID_MSG);
+        }
+
+        if (artifactId == null || artifactId.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_ARTIFACT_ID_MSG);
+        }
+
+        String key = this.codersKey(groupId, artifactId, "");
+
+        List<ProtocolCoderToolset> coderToolset = new ArrayList<>();
+        for (Map.Entry<String, ProtocolCoderToolset> entry :
+                coders.entrySet()) {
+            if (entry.getKey().startsWith(key)) {
+                coderToolset.add(entry.getValue());
+            }
+        }
+
+        return coderToolset;
+    }
+
+    /**
+     * get coded based on class and topic.
+     *
+     * @param topic      topic
+     * @param codedClass class
+     * @return list of reverse filters
+     */
+    public List<CoderFilters> getReverseFilters(String topic, String codedClass) {
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(UNSUPPORTED_MSG);
+        }
+
+        if (codedClass == null) {
+            throw new IllegalArgumentException(MISSING_CLASS);
+        }
+
+        String key = this.reverseCodersKey(topic, codedClass);
+        List<ProtocolCoderToolset> toolsets = this.reverseCoders.get(key);
+        if (toolsets == null) {
+            throw new IllegalArgumentException("No Coder found for " + key);
+        }
+
+        List<CoderFilters> coderFilters = new ArrayList<>();
+        for (ProtocolCoderToolset toolset : toolsets) {
+            coderFilters.addAll(toolset.getCoders());
+        }
+
+        return coderFilters;
+    }
+
+    /**
+     * returns group and artifact id of the creator of the encoder.
+     *
+     * @param topic topic
+     * @param fact  fact
+     * @return the drools controller
+     */
+    DroolsController getDroolsController(String topic, Object fact) {
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(UNSUPPORTED_MSG);
+        }
+
+        if (fact == null) {
+            throw new IllegalArgumentException(MISSING_CLASS);
+        }
+
+        List<DroolsController> droolsControllers = droolsCreators(topic, fact);
+
+        if (droolsControllers.isEmpty()) {
+            throw new IllegalArgumentException("Invalid Topic: " + topic);
+        }
+
+        if (droolsControllers.size() > 1) {
+            logger.warn(
+                    "{}: multiple drools-controller {} for {}:{} ",
+                    this,
+                    droolsControllers,
+                    topic,
+                    fact.getClass().getName());
+            // continue
+        }
+        return droolsControllers.get(0);
+    }
+
+    /**
+     * returns group and artifact id of the creator of the encoder.
+     *
+     * @param topic topic
+     * @param fact  fact
+     * @return list of drools controllers
+     */
+    List<DroolsController> getDroolsControllers(String topic, Object fact) {
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(UNSUPPORTED_MSG);
+        }
+
+        if (fact == null) {
+            throw new IllegalArgumentException(MISSING_CLASS);
+        }
+
+        List<DroolsController> droolsControllers = droolsCreators(topic, fact);
+        if (droolsControllers.size() > 1) {
+            // unexpected
+            logger.warn(
+                    "{}: multiple drools-controller {} for {}:{} ",
+                    this,
+                    droolsControllers,
+                    topic,
+                    fact.getClass().getName());
+            // continue
+        }
+        return droolsControllers;
+    }
+
+    @Override
+    public String toString() {
+        return "GenericEventProtocolCoder [coders="
+                + coders.keySet()
+                + ", reverseCoders="
+                + reverseCoders.keySet()
+                + "]";
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/GsonProtocolCoderToolset.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/GsonProtocolCoderToolset.java
new file mode 100644
index 00000000..57976a3e
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/GsonProtocolCoderToolset.java
@@ -0,0 +1,249 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.protocol.coders;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
+import java.time.Instant;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
+import org.onap.policy.drools.controller.DroolsController;
+import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Tools used for encoding/decoding using GSON.
+ */
+class GsonProtocolCoderToolset extends ProtocolCoderToolset {
+    /**
+     * Logger.
+     */
+    private static final Logger logger = LoggerFactory.getLogger(GsonProtocolCoderToolset.class);
+
+    /**
+     * Formatter for JSON encoding/decoding.
+     */
+    @JsonIgnore
+    @GsonJsonIgnore
+    public static final DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSSxxx");
+
+    @JsonIgnore
+    @GsonJsonIgnore
+    public static final DateTimeFormatter zuluFormat = DateTimeFormatter.ISO_INSTANT;
+
+    /**
+     * Adapter for ZonedDateTime.
+     */
+    public static class GsonUtcAdapter implements JsonSerializer<ZonedDateTime>, JsonDeserializer<ZonedDateTime> {
+        @Override
+        public ZonedDateTime deserialize(JsonElement element, Type type,
+                JsonDeserializationContext context) {
+            try {
+                return ZonedDateTime.parse(element.getAsString(), format);
+            } catch (final Exception e) {
+                logger.info("GsonUTCAdapter: cannot parse {} because of {}", element, e.getMessage(), e);
+            }
+            return null;
+        }
+
+        @Override
+        public JsonElement serialize(ZonedDateTime datetime, Type type,
+                JsonSerializationContext context) {
+            return new JsonPrimitive(datetime.format(format));
+        }
+    }
+
+    public static class GsonInstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
+
+        @Override
+        public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
+            return Instant.ofEpochMilli(json.getAsLong());
+        }
+
+        @Override
+        public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
+            return new JsonPrimitive(src.toEpochMilli());
+        }
+
+    }
+
+
+    /**
+     * decoder.
+     */
+    @JsonIgnore
+    @GsonJsonIgnore
+    protected final Gson decoder = new GsonBuilder().disableHtmlEscaping()
+        .registerTypeAdapter(ZonedDateTime.class, new GsonUtcAdapter())
+        .registerTypeAdapter(Instant.class, new GsonInstantAdapter()).create();
+
+    /**
+     * encoder.
+     */
+    @JsonIgnore
+    @GsonJsonIgnore
+    protected final Gson encoder = new GsonBuilder().disableHtmlEscaping()
+        .registerTypeAdapter(ZonedDateTime.class, new GsonUtcAdapter())
+        .registerTypeAdapter(Instant.class, new GsonInstantAdapter()).create();
+
+    /**
+     * Toolset to encode/decode tools associated with a topic.
+     *
+     * @param eventProtocolParams parameter object for event encoder
+     * @param controllerId controller id
+     */
+    public GsonProtocolCoderToolset(EventProtocolParams eventProtocolParams, String controllerId) {
+        super(eventProtocolParams, controllerId);
+    }
+
+    /**
+     * gets the Gson decoder.
+     *
+     * @return the Gson decoder
+     */
+    @JsonIgnore
+    @GsonJsonIgnore
+    protected Gson getDecoder() {
+        return this.decoder;
+    }
+
+    /**
+     * gets the Gson encoder.
+     *
+     * @return the Gson encoder
+     */
+    @JsonIgnore
+    @GsonJsonIgnore
+    protected Gson getEncoder() {
+        return this.encoder;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public Object decode(String json) {
+
+        final DroolsController droolsController =
+                DroolsController.factory.get(this.groupId, this.artifactId, "");
+        if (droolsController == null) {
+            logger.warn("{}: no drools-controller to process {}", this, json);
+            throw new IllegalStateException("no drools-controller to process event");
+        }
+
+        final CoderFilters decoderFilter = this.filter(json);
+        if (decoderFilter == null) {
+            logger.debug("{}: no decoder to process {}", this, json);
+            throw new UnsupportedOperationException("no decoder to process event");
+        }
+
+        Class<?> decoderClass;
+        try {
+            decoderClass = droolsController.fetchModelClass(decoderFilter.getCodedClass());
+            if (decoderClass == null) {
+                logger.warn("{}: cannot fetch application class {}", this, decoderFilter.getCodedClass());
+                throw new IllegalStateException(
+                        "cannot fetch application class " + decoderFilter.getCodedClass());
+            }
+        } catch (final Exception e) {
+            logger.warn("{}: cannot fetch application class {} because of {}", this,
+                    decoderFilter.getCodedClass(), e.getMessage());
+            throw new UnsupportedOperationException(
+                    "cannot fetch application class " + decoderFilter.getCodedClass(), e);
+        }
+
+        if (this.customCoder != null) {
+            try {
+                final Class<?> gsonClassContainer =
+                        droolsController.fetchModelClass(this.customCoder.getClassContainer());
+                final Field gsonField = gsonClassContainer.getField(this.customCoder.staticCoderField);
+                final Object gsonObject = gsonField.get(null);
+                final Method fromJsonMethod = gsonObject.getClass().getDeclaredMethod("fromJson",
+                        new Class[] {String.class, Class.class});
+                return fromJsonMethod.invoke(gsonObject, json, decoderClass);
+            } catch (final Exception e) {
+                logger.warn("{}: cannot fetch application class {} because of {}", this,
+                        decoderFilter.getCodedClass(), e.getMessage());
+                throw new UnsupportedOperationException(
+                        "cannot fetch application class " + decoderFilter.getCodedClass(), e);
+            }
+        } else {
+            try {
+                return this.decoder.fromJson(json, decoderClass);
+            } catch (final Exception e) {
+                logger.warn("{} cannot decode {} into {} because of {}", this, json, decoderClass.getName(),
+                        e.getMessage(), e);
+                throw new UnsupportedOperationException(
+                        "cannont decode into " + decoderFilter.getCodedClass(), e);
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String encode(Object event) {
+
+        if (this.customCoder != null) {
+            try {
+                final DroolsController droolsController =
+                        DroolsController.factory.get(this.groupId, this.artifactId, null);
+                final Class<?> gsonClassContainer =
+                        droolsController.fetchModelClass(this.customCoder.getClassContainer());
+                final Field gsonField = gsonClassContainer.getField(this.customCoder.staticCoderField);
+                final Object gsonObject = gsonField.get(null);
+                final Method toJsonMethod =
+                        gsonObject.getClass().getDeclaredMethod("toJson", new Class[] {Object.class});
+                return (String) toJsonMethod.invoke(gsonObject, event);
+            } catch (final Exception e) {
+                logger.warn("{} cannot custom-encode {} because of {}", this, event, e.getMessage(), e);
+                throw new UnsupportedOperationException("event cannot be encoded", e);
+            }
+        } else {
+            try {
+                return this.encoder.toJson(event);
+            } catch (final Exception e) {
+                logger.warn("{} cannot encode {} because of {}", this, event, e.getMessage(), e);
+                throw new UnsupportedOperationException("event cannot be encoded", e);
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        builder.append("GsonProtocolCoderToolset [toString()=").append(super.toString()).append("]");
+        return builder.toString();
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/MultiplexorEventProtocolCoder.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/MultiplexorEventProtocolCoder.java
new file mode 100644
index 00000000..a8f3c3a3
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/MultiplexorEventProtocolCoder.java
@@ -0,0 +1,278 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.protocol.coders;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.onap.policy.drools.controller.DroolsController;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Protocol Coder that does its best attempt to decode/encode, selecting the best class and best fitted json parsing
+ * tools.
+ */
+class MultiplexorEventProtocolCoder implements EventProtocolCoder {
+
+    /**
+     * Logger.
+     */
+    private static Logger logger = LoggerFactory.getLogger(MultiplexorEventProtocolCoder.class);
+
+    /**
+     * Decoders.
+     */
+    protected EventProtocolDecoder decoders = new EventProtocolDecoder();
+
+    /**
+     * Encoders.
+     */
+    protected EventProtocolEncoder encoders = new EventProtocolEncoder();
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void addDecoder(EventProtocolParams eventProtocolParams) {
+        logger.info(
+                "{}: add-decoder {}:{}:{}:{}:{}:{}:{}",
+                this,
+                eventProtocolParams.getGroupId(),
+                eventProtocolParams.getArtifactId(),
+                eventProtocolParams.getTopic(),
+                eventProtocolParams.getEventClass(),
+                eventProtocolParams.getProtocolFilter(),
+                eventProtocolParams.getCustomGsonCoder(),
+                eventProtocolParams.getModelClassLoaderHash());
+        this.decoders.add(eventProtocolParams);
+    }
+
+    /**
+     * {@inheritDoc}.
+     *
+     * @param eventProtocolParams parameter object for event encoder
+     */
+    @Override
+    public void addEncoder(EventProtocolParams eventProtocolParams) {
+        logger.info(
+                "{}: add-decoder {}:{}:{}:{}:{}:{}:{}",
+                this,
+                eventProtocolParams.getGroupId(),
+                eventProtocolParams.getArtifactId(),
+                eventProtocolParams.getTopic(),
+                eventProtocolParams.getEventClass(),
+                eventProtocolParams.getProtocolFilter(),
+                eventProtocolParams.getCustomGsonCoder(),
+                eventProtocolParams.getModelClassLoaderHash());
+        this.encoders.add(eventProtocolParams);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void removeDecoders(String groupId, String artifactId, String topic) {
+        logger.info("{}: remove-decoder {}:{}:{}", this, groupId, artifactId, topic);
+        this.decoders.remove(groupId, artifactId, topic);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void removeEncoders(String groupId, String artifactId, String topic) {
+        logger.info("{}: remove-encoder {}:{}:{}", this, groupId, artifactId, topic);
+        this.encoders.remove(groupId, artifactId, topic);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public boolean isDecodingSupported(String groupId, String artifactId, String topic) {
+        return this.decoders.isCodingSupported(groupId, artifactId, topic);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public boolean isEncodingSupported(String groupId, String artifactId, String topic) {
+        return this.encoders.isCodingSupported(groupId, artifactId, topic);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public Object decode(String groupId, String artifactId, String topic, String json) {
+        logger.debug("{}: decode {}:{}:{}:{}", this, groupId, artifactId, topic, json);
+        return this.decoders.decode(groupId, artifactId, topic, json);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String encode(String groupId, String artifactId, String topic, Object event) {
+        logger.debug("{}: encode {}:{}:{}:{}", this, groupId, artifactId, topic, event);
+        return this.encoders.encode(groupId, artifactId, topic, event);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String encode(String topic, Object event) {
+        logger.debug("{}: encode {}:{}", this, topic, event);
+        return this.encoders.encode(topic, event);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String encode(String topic, Object event, DroolsController droolsController) {
+        logger.debug("{}: encode {}:{}:{}", this, topic, event, droolsController);
+        return this.encoders.encode(topic, event, droolsController);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<CoderFilters> getDecoderFilters(String groupId, String artifactId, String topic) {
+        return this.decoders.getFilters(groupId, artifactId, topic);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public CoderFilters getDecoderFilters(
+            String groupId, String artifactId, String topic, String classname) {
+        return this.decoders.getFilters(groupId, artifactId, topic, classname);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<CoderFilters> getDecoderFilters(String groupId, String artifactId) {
+        return this.decoders.getFilters(groupId, artifactId);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public ProtocolCoderToolset getDecoders(String groupId, String artifactId, String topic) {
+        ProtocolCoderToolset decoderToolsets =
+                this.decoders.getCoders(groupId, artifactId, topic);
+        if (decoderToolsets == null) {
+            throw new IllegalArgumentException(
+                    "Decoders not found for " + groupId + ":" + artifactId + ":" + topic);
+        }
+
+        return decoderToolsets;
+    }
+
+    /**
+     * get all deocders by maven coordinates and topic.
+     *
+     * @param groupId    group id
+     * @param artifactId artifact id
+     * @return list of decoders
+     * @throws IllegalArgumentException if invalid input
+     */
+    @Override
+    public List<ProtocolCoderToolset> getDecoders(String groupId, String artifactId) {
+
+        List<ProtocolCoderToolset> decoderToolsets =
+                this.decoders.getCoders(groupId, artifactId);
+        if (decoderToolsets == null) {
+            throw new IllegalArgumentException("Decoders not found for " + groupId + ":" + artifactId);
+        }
+
+        return new ArrayList<>(decoderToolsets);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<CoderFilters> getEncoderFilters(String groupId, String artifactId, String topic) {
+        return this.encoders.getFilters(groupId, artifactId, topic);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public CoderFilters getEncoderFilters(
+            String groupId, String artifactId, String topic, String classname) {
+        return this.encoders.getFilters(groupId, artifactId, topic, classname);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<CoderFilters> getEncoderFilters(String groupId, String artifactId) {
+        return this.encoders.getFilters(groupId, artifactId);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<CoderFilters> getReverseEncoderFilters(String topic, String encodedClass) {
+        return this.encoders.getReverseFilters(topic, encodedClass);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public DroolsController getDroolsController(String topic, Object encodedClass) {
+        return this.encoders.getDroolsController(topic, encodedClass);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<DroolsController> getDroolsControllers(String topic, Object encodedClass) {
+        return this.encoders.getDroolsControllers(topic, encodedClass);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String toString() {
+        return "MultiplexorEventProtocolCoder [decoders="
+                + decoders
+                + ", encoders="
+                + encoders
+                + "]";
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolset.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolset.java
index 394e73af..a4add9ce 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolset.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolset.java
@@ -21,27 +21,10 @@
 
 package org.onap.policy.drools.protocol.coders;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.JsonDeserializationContext;
-import com.google.gson.JsonDeserializer;
-import com.google.gson.JsonElement;
 import com.google.gson.JsonParser;
-import com.google.gson.JsonPrimitive;
-import com.google.gson.JsonSerializationContext;
-import com.google.gson.JsonSerializer;
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.lang.reflect.Type;
-import java.time.Instant;
-import java.time.ZonedDateTime;
-import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
-import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
-import org.onap.policy.drools.controller.DroolsController;
 import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
 import org.onap.policy.drools.protocol.coders.TopicCoderFilterConfiguration.CustomCoder;
 import org.slf4j.Logger;
@@ -309,210 +292,3 @@ public abstract class ProtocolCoderToolset {
         return builder.toString();
     }
 }
-
-/**
- * Tools used for encoding/decoding using GSON.
- */
-class GsonProtocolCoderToolset extends ProtocolCoderToolset {
-    /**
-     * Logger.
-     */
-    private static final Logger logger = LoggerFactory.getLogger(GsonProtocolCoderToolset.class);
-
-    /**
-     * Formatter for JSON encoding/decoding.
-     */
-    @JsonIgnore
-    @GsonJsonIgnore
-    public static final DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSSxxx");
-
-    @JsonIgnore
-    @GsonJsonIgnore
-    public static final DateTimeFormatter zuluFormat = DateTimeFormatter.ISO_INSTANT;
-
-    /**
-     * Adapter for ZonedDateTime.
-     */
-    public static class GsonUTCAdapter implements JsonSerializer<ZonedDateTime>, JsonDeserializer<ZonedDateTime> {
-        @Override
-        public ZonedDateTime deserialize(JsonElement element, Type type,
-                JsonDeserializationContext context) {
-            try {
-                return ZonedDateTime.parse(element.getAsString(), format);
-            } catch (final Exception e) {
-                logger.info("GsonUTCAdapter: cannot parse {} because of {}", element, e.getMessage(), e);
-            }
-            return null;
-        }
-
-        @Override
-        public JsonElement serialize(ZonedDateTime datetime, Type type,
-                JsonSerializationContext context) {
-            return new JsonPrimitive(datetime.format(format));
-        }
-    }
-
-    public static class GsonInstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
-
-        @Override
-        public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
-            return Instant.ofEpochMilli(json.getAsLong());
-        }
-
-        @Override
-        public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
-            return new JsonPrimitive(src.toEpochMilli());
-        }
-
-    }
-
-
-    /**
-     * decoder.
-     */
-    @JsonIgnore
-    @GsonJsonIgnore
-    protected final Gson decoder = new GsonBuilder().disableHtmlEscaping()
-        .registerTypeAdapter(ZonedDateTime.class, new GsonUTCAdapter())
-        .registerTypeAdapter(Instant.class, new GsonInstantAdapter()).create();
-
-    /**
-     * encoder.
-     */
-    @JsonIgnore
-    @GsonJsonIgnore
-    protected final Gson encoder = new GsonBuilder().disableHtmlEscaping()
-        .registerTypeAdapter(ZonedDateTime.class, new GsonUTCAdapter())
-        .registerTypeAdapter(Instant.class, new GsonInstantAdapter()).create();
-
-    /**
-     * Toolset to encode/decode tools associated with a topic.
-     *
-     * @param eventProtocolParams parameter object for event encoder
-     * @param controllerId controller id
-     */
-    public GsonProtocolCoderToolset(EventProtocolParams eventProtocolParams, String controllerId) {
-        super(eventProtocolParams, controllerId);
-    }
-
-    /**
-     * gets the Gson decoder.
-     *
-     * @return the Gson decoder
-     */
-    @JsonIgnore
-    @GsonJsonIgnore
-    protected Gson getDecoder() {
-        return this.decoder;
-    }
-
-    /**
-     * gets the Gson encoder.
-     *
-     * @return the Gson encoder
-     */
-    @JsonIgnore
-    @GsonJsonIgnore
-    protected Gson getEncoder() {
-        return this.encoder;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public Object decode(String json) {
-
-        final DroolsController droolsController =
-                DroolsController.factory.get(this.groupId, this.artifactId, "");
-        if (droolsController == null) {
-            logger.warn("{}: no drools-controller to process {}", this, json);
-            throw new IllegalStateException("no drools-controller to process event");
-        }
-
-        final CoderFilters decoderFilter = this.filter(json);
-        if (decoderFilter == null) {
-            logger.debug("{}: no decoder to process {}", this, json);
-            throw new UnsupportedOperationException("no decoder to process event");
-        }
-
-        Class<?> decoderClass;
-        try {
-            decoderClass = droolsController.fetchModelClass(decoderFilter.getCodedClass());
-            if (decoderClass == null) {
-                logger.warn("{}: cannot fetch application class {}", this, decoderFilter.getCodedClass());
-                throw new IllegalStateException(
-                        "cannot fetch application class " + decoderFilter.getCodedClass());
-            }
-        } catch (final Exception e) {
-            logger.warn("{}: cannot fetch application class {} because of {}", this,
-                    decoderFilter.getCodedClass(), e.getMessage());
-            throw new UnsupportedOperationException(
-                    "cannot fetch application class " + decoderFilter.getCodedClass(), e);
-        }
-
-        if (this.customCoder != null) {
-            try {
-                final Class<?> gsonClassContainer =
-                        droolsController.fetchModelClass(this.customCoder.getClassContainer());
-                final Field gsonField = gsonClassContainer.getField(this.customCoder.staticCoderField);
-                final Object gsonObject = gsonField.get(null);
-                final Method fromJsonMethod = gsonObject.getClass().getDeclaredMethod("fromJson",
-                        new Class[] {String.class, Class.class});
-                return fromJsonMethod.invoke(gsonObject, json, decoderClass);
-            } catch (final Exception e) {
-                logger.warn("{}: cannot fetch application class {} because of {}", this,
-                        decoderFilter.getCodedClass(), e.getMessage());
-                throw new UnsupportedOperationException(
-                        "cannot fetch application class " + decoderFilter.getCodedClass(), e);
-            }
-        } else {
-            try {
-                return this.decoder.fromJson(json, decoderClass);
-            } catch (final Exception e) {
-                logger.warn("{} cannot decode {} into {} because of {}", this, json, decoderClass.getName(),
-                        e.getMessage(), e);
-                throw new UnsupportedOperationException(
-                        "cannont decode into " + decoderFilter.getCodedClass(), e);
-            }
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String encode(Object event) {
-
-        if (this.customCoder != null) {
-            try {
-                final DroolsController droolsController =
-                        DroolsController.factory.get(this.groupId, this.artifactId, null);
-                final Class<?> gsonClassContainer =
-                        droolsController.fetchModelClass(this.customCoder.getClassContainer());
-                final Field gsonField = gsonClassContainer.getField(this.customCoder.staticCoderField);
-                final Object gsonObject = gsonField.get(null);
-                final Method toJsonMethod =
-                        gsonObject.getClass().getDeclaredMethod("toJson", new Class[] {Object.class});
-                return (String) toJsonMethod.invoke(gsonObject, event);
-            } catch (final Exception e) {
-                logger.warn("{} cannot custom-encode {} because of {}", this, event, e.getMessage(), e);
-                throw new UnsupportedOperationException("event cannot be encoded", e);
-            }
-        } else {
-            try {
-                return this.encoder.toJson(event);
-            } catch (final Exception e) {
-                logger.warn("{} cannot encode {} because of {}", this, event, e.getMessage(), e);
-                throw new UnsupportedOperationException("event cannot be encoded", e);
-            }
-        }
-    }
-
-    @Override
-    public String toString() {
-        final StringBuilder builder = new StringBuilder();
-        builder.append("GsonProtocolCoderToolset [toString()=").append(super.toString()).append("]");
-        return builder.toString();
-    }
-}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/protocol/configuration/PdpdConfiguration.java b/policy-management/src/main/java/org/onap/policy/drools/protocol/configuration/PdpdConfiguration.java
index f83f480e..572bc14f 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/protocol/configuration/PdpdConfiguration.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/protocol/configuration/PdpdConfiguration.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -50,7 +50,7 @@ public class PdpdConfiguration {
     /** Unique Transaction ID. This is an UUID. (Required) */
     @JsonProperty("requestID")
     @GsonJsonProperty("requestID")
-    private String requestID;
+    private String requestId;
     /* Set of entities on which configuration can be performed: controller (Required) */
     @JsonProperty("entity")
     @GsonJsonProperty("entity")
@@ -70,14 +70,14 @@ public class PdpdConfiguration {
 
     /**
      * Constructor.
-     * 
-     * @param requestID request id
+     *
+     * @param requestId request id
      * @param entity entity
      * @param controllers controllers
      */
     public PdpdConfiguration(
-            String requestID, String entity, List<ControllerConfiguration> controllers) {
-        this.requestID = requestID;
+            String requestId, String entity, List<ControllerConfiguration> controllers) {
+        this.requestId = requestId;
         this.entity = entity;
         this.controllers = controllers;
     }
@@ -89,23 +89,23 @@ public class PdpdConfiguration {
      */
     @JsonProperty("requestID")
     @GsonJsonProperty("requestID")
-    public String getRequestID() {
-        return requestID;
+    public String getRequestId() {
+        return requestId;
     }
 
     /**
      * Unique Transaction ID. This is an UUID. (Required)
      *
-     * @param requestID The requestID
+     * @param requestId The requestID
      */
     @JsonProperty("requestID")
     @GsonJsonProperty("requestID")
-    public void setRequestID(String requestID) {
-        this.requestID = requestID;
+    public void setRequestId(String requestId) {
+        this.requestId = requestId;
     }
 
-    public PdpdConfiguration withRequestID(String requestID) {
-        this.requestID = requestID;
+    public PdpdConfiguration withRequestId(String requestId) {
+        this.requestId = requestId;
         return this;
     }
 
@@ -204,7 +204,7 @@ public class PdpdConfiguration {
     protected Object declaredPropertyOrNotFound(String name, Object notFoundValue) {
         switch (name) {
             case "requestID":
-                return getRequestID();
+                return getRequestId();
             case "entity":
                 return getEntity();
             case "controllers":
@@ -216,7 +216,7 @@ public class PdpdConfiguration {
 
     /**
      * Get.
-     * 
+     *
      * @param name name
      * @return object
      */
@@ -232,7 +232,7 @@ public class PdpdConfiguration {
 
     /**
      * Set property.
-     * 
+     *
      * @param name name
      * @param value value
      */
@@ -255,7 +255,7 @@ public class PdpdConfiguration {
     @Override
     public int hashCode() {
         return new HashCodeBuilder()
-                .append(requestID)
+                .append(requestId)
                 .append(entity)
                 .append(controllers)
                 .append(additionalProperties)
@@ -272,7 +272,7 @@ public class PdpdConfiguration {
         }
         PdpdConfiguration rhs = (PdpdConfiguration) other;
         return new EqualsBuilder()
-                .append(requestID, rhs.requestID)
+                .append(requestId, rhs.requestId)
                 .append(entity, rhs.entity)
                 .append(controllers, rhs.controllers)
                 .append(additionalProperties, rhs.additionalProperties)
@@ -281,12 +281,12 @@ public class PdpdConfiguration {
 
     /**
      * Call set request id.
-     * 
+     *
      * @param value value
      */
     public void callSetRequestId(Object value) {
         if (value instanceof String) {
-            setRequestID((String) value);
+            setRequestId((String) value);
         } else {
             throw new IllegalArgumentException(
                     "property \"requestID\" is of type \"java.lang.String\", but got "
@@ -296,7 +296,7 @@ public class PdpdConfiguration {
 
     /**
      * Call set entity.
-     * 
+     *
      * @param value value
      */
     public void callSetEntity(Object value) {
@@ -311,7 +311,7 @@ public class PdpdConfiguration {
 
     /**
      * Call set controllers.
-     * 
+     *
      * @param value value
      */
     @SuppressWarnings("unchecked")
diff --git a/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java b/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java
index 726e7217..a5fbfdd3 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java
@@ -56,8 +56,8 @@ import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.event.comm.TopicSink;
 import org.onap.policy.common.endpoints.event.comm.TopicSource;
 import org.onap.policy.drools.controller.DroolsController;
-import org.onap.policy.drools.features.PolicyControllerFeatureAPI;
-import org.onap.policy.drools.features.PolicyEngineFeatureAPI;
+import org.onap.policy.drools.features.PolicyControllerFeatureApi;
+import org.onap.policy.drools.features.PolicyEngineFeatureApi;
 import org.onap.policy.drools.properties.DroolsProperties;
 import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
 import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
@@ -140,7 +140,7 @@ public class RestManager {
     @Path("engine/features/inventory")
     @ApiOperation(value = "Engine Detailed Feature Inventory",
             notes = "Provides detailed list of loaded features using the PolicyEngineFeatureAPI",
-            responseContainer = "List", response = PolicyEngineFeatureAPI.class)
+            responseContainer = "List", response = PolicyEngineFeatureApi.class)
     public Response engineFeaturesInventory() {
         return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatureProviders()).build();
     }
@@ -153,7 +153,7 @@ public class RestManager {
     @GET
     @Path("engine/features/{featureName}")
     @ApiOperation(value = "Engine Feature", notes = "Provides Details for a given feature Engine Provider",
-            response = PolicyEngineFeatureAPI.class)
+            response = PolicyEngineFeatureApi.class)
     @ApiResponses(value = {@ApiResponse(code = 404, message = "The feature cannot be found")})
     public Response engineFeature(
             @ApiParam(value = "Feature Name", required = true) @PathParam("featureName") String featureName) {
@@ -492,7 +492,7 @@ public class RestManager {
     @Path("engine/controllers/features/inventory")
     @ApiOperation(value = "Detailed Controllers Feature Inventory",
             notes = "Provides detailed list of loaded features using the PolicyControllerFeatureAPI",
-            responseContainer = "List", response = PolicyControllerFeatureAPI.class)
+            responseContainer = "List", response = PolicyControllerFeatureApi.class)
     public Response controllerFeaturesInventory() {
         return Response.status(Response.Status.OK).entity(PolicyController.factory.getFeatureProviders()).build();
     }
@@ -506,7 +506,7 @@ public class RestManager {
     @Path("engine/controllers/features/{featureName}")
     @ApiOperation(value = "Controller Feature",
             notes = "Provides Details for a given Policy Controller feature provider",
-            response = PolicyControllerFeatureAPI.class)
+            response = PolicyControllerFeatureApi.class)
     @ApiResponses(value = {@ApiResponse(code = 404, message = "The feature cannot be found")})
     public Response controllerFeature(
             @ApiParam(value = "Feature Name", required = true) @PathParam("featureName") String featureName) {
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java b/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java
new file mode 100644
index 00000000..38085101
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java
@@ -0,0 +1,387 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.system;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
+import org.onap.policy.drools.controller.DroolsController;
+import org.onap.policy.drools.features.PolicyControllerFeatureApi;
+import org.onap.policy.drools.protocol.configuration.DroolsConfiguration;
+import org.onap.policy.drools.system.internal.AggregatedPolicyController;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Factory of Policy Controllers indexed by the name of the Policy Controller.
+ */
+class IndexedPolicyControllerFactory implements PolicyControllerFactory {
+    // get an instance of logger
+    private static final Logger  logger = LoggerFactory.getLogger(PolicyControllerFactory.class);
+
+    /**
+     * Policy Controller Name Index.
+     */
+    private final HashMap<String,PolicyController> policyControllers =
+            new HashMap<>();
+
+    /**
+     * Group/Artifact Ids Index.
+     */
+    private final HashMap<String,PolicyController> coordinates2Controller =
+            new HashMap<>();
+
+    /**
+     * produces key for indexing controller names.
+     *
+     * @param groupId group id
+     * @param artifactId artifact id
+     * @return index key
+     */
+    private String toKey(String groupId, String artifactId) {
+        return groupId + ":" + artifactId;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public synchronized PolicyController build(String name, Properties properties) {
+
+        if (this.policyControllers.containsKey(name)) {
+            return this.policyControllers.get(name);
+        }
+
+        /* A PolicyController does not exist */
+
+        PolicyController controller = newPolicyController(name, properties);
+
+        String coordinates = toKey(controller.getDrools().getGroupId(),
+                                   controller.getDrools().getArtifactId());
+
+        this.policyControllers.put(name, controller);
+
+
+        if (controller.getDrools().isBrained()) {
+            this.coordinates2Controller.put(coordinates, controller);
+        }
+
+        return controller;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public synchronized PolicyController patch(String name, DroolsConfiguration droolsConfig) {
+
+        if (name == null || name.isEmpty() || !this.policyControllers.containsKey(name)) {
+            throw makeArgEx(name);
+        }
+
+        PolicyController controller = this.get(name);
+
+        if (controller == null) {
+            logger.warn("A POLICY CONTROLLER of name {} does not exist for patch operation: {}", name, droolsConfig);
+
+            throw new IllegalArgumentException("Not a valid controller of name " + name);
+        }
+
+        this.patch(controller, droolsConfig);
+
+        logger.info("UPDATED drools configuration: {} on {}", droolsConfig, this);
+
+        return controller;
+    }
+
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void patch(PolicyController controller, DroolsConfiguration droolsConfig) {
+
+        if (controller == null) {
+            throw new IllegalArgumentException("Not a valid controller:  null");
+        }
+
+        if (droolsConfig == null) {
+            throw new IllegalArgumentException("Invalid Drools Configuration");
+        }
+
+        if (!controller.updateDrools(droolsConfig)) {
+            logger.warn("Cannot update drools configuration: {} on {}", droolsConfig, this);
+            throw new IllegalArgumentException("Cannot update drools configuration Drools Configuration");
+        }
+
+        logger.info("UPDATED drools configuration: {} on {}", droolsConfig, this);
+
+        String coordinates = toKey(controller.getDrools().getGroupId(),
+                                   controller.getDrools().getArtifactId());
+
+        if (controller.getDrools().isBrained()) {
+            this.coordinates2Controller.put(coordinates, controller);
+        }
+
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void shutdown(String controllerName) {
+
+        if (controllerName == null || controllerName.isEmpty()) {
+            throw makeArgEx(controllerName);
+        }
+
+        synchronized (this) {
+            if (!this.policyControllers.containsKey(controllerName)) {
+                return;
+            }
+
+            PolicyController controller = this.policyControllers.get(controllerName);
+            this.shutdown(controller);
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void shutdown(PolicyController controller) {
+        this.unmanage(controller);
+        controller.shutdown();
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void shutdown() {
+        List<PolicyController> controllers = this.inventory();
+        for (PolicyController controller: controllers) {
+            controller.shutdown();
+        }
+
+        synchronized (this) {
+            this.policyControllers.clear();
+            this.coordinates2Controller.clear();
+        }
+    }
+
+    /**
+     * unmanage the controller.
+     *
+     * @param controller controller
+     * @throws IllegalArgumentException exception
+     */
+    private void unmanage(PolicyController controller) {
+        PolicyController tempController = controller;
+        if (tempController == null) {
+            throw new IllegalArgumentException("Invalid Controller");
+        }
+
+        synchronized (this) {
+            if (!this.policyControllers.containsKey(tempController.getName())) {
+                return;
+            }
+            tempController = this.policyControllers.remove(tempController.getName());
+
+            String coordinates = toKey(tempController.getDrools().getGroupId(),
+                    tempController.getDrools().getArtifactId());
+            this.coordinates2Controller.remove(coordinates);
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void destroy(String controllerName) {
+
+        if (controllerName == null || controllerName.isEmpty()) {
+            throw makeArgEx(controllerName);
+        }
+
+        synchronized (this) {
+            if (!this.policyControllers.containsKey(controllerName)) {
+                return;
+            }
+
+            PolicyController controller = this.policyControllers.get(controllerName);
+            this.destroy(controller);
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void destroy(PolicyController controller) {
+        this.unmanage(controller);
+        controller.halt();
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void destroy() {
+        List<PolicyController> controllers = this.inventory();
+        for (PolicyController controller: controllers) {
+            controller.halt();
+        }
+
+        synchronized (this) {
+            this.policyControllers.clear();
+            this.coordinates2Controller.clear();
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public PolicyController get(String name) {
+
+        if (name == null || name.isEmpty()) {
+            throw makeArgEx(name);
+        }
+
+        synchronized (this) {
+            if (this.policyControllers.containsKey(name)) {
+                return this.policyControllers.get(name);
+            } else {
+                throw makeArgEx(name);
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public PolicyController get(String groupId, String artifactId) {
+
+        if (groupId == null || groupId.isEmpty()
+            || artifactId == null || artifactId.isEmpty()) {
+            throw new IllegalArgumentException("Invalid group/artifact ids");
+        }
+
+        synchronized (this) {
+            String key = toKey(groupId,artifactId);
+            if (this.coordinates2Controller.containsKey(key)) {
+                return this.coordinates2Controller.get(key);
+            } else {
+                throw makeArgEx(key);
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public PolicyController get(DroolsController droolsController) {
+
+        if (droolsController == null) {
+            throw new IllegalArgumentException("No Drools Controller provided");
+        }
+
+        synchronized (this) {
+            String key = toKey(droolsController.getGroupId(), droolsController.getArtifactId());
+            if (this.coordinates2Controller.containsKey(key)) {
+                return this.coordinates2Controller.get(key);
+            } else {
+                logger.error("Drools Controller not associated with Policy Controller {}:{}", droolsController, this);
+                throw new IllegalStateException("Drools Controller not associated with Policy Controller "
+                        + droolsController + ":" + this);
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<PolicyController> inventory() {
+        return new ArrayList<>(this.policyControllers.values());
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public List<String> getFeatures() {
+        List<String> features = new ArrayList<>();
+        for (PolicyControllerFeatureApi feature : getProviders()) {
+            features.add(feature.getName());
+        }
+        return features;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @JsonIgnore
+    @GsonJsonIgnore
+    @Override
+    public List<PolicyControllerFeatureApi> getFeatureProviders() {
+        return getProviders();
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public PolicyControllerFeatureApi getFeatureProvider(String featureName) {
+        if (featureName == null || featureName.isEmpty()) {
+            throw new IllegalArgumentException("A feature name must be provided");
+        }
+
+        for (PolicyControllerFeatureApi feature : getProviders()) {
+            if (feature.getName().equals(featureName)) {
+                return feature;
+            }
+        }
+
+        throw new IllegalArgumentException("Invalid Feature Name: " + featureName);
+    }
+
+    private IllegalArgumentException makeArgEx(String argName) {
+        return new IllegalArgumentException("Invalid " + argName);
+    }
+
+    // these methods can be overridden by junit tests
+
+    protected PolicyController newPolicyController(String name, Properties properties) {
+        return new AggregatedPolicyController(name, properties);
+    }
+
+    protected List<PolicyControllerFeatureApi> getProviders() {
+        return PolicyControllerFeatureApi.providers.getList();
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyControllerFactory.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyControllerFactory.java
index 8baf667a..05f15ead 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyControllerFactory.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyControllerFactory.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,19 +20,11 @@
 
 package org.onap.policy.drools.system;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-
-import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Properties;
-import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
 import org.onap.policy.drools.controller.DroolsController;
-import org.onap.policy.drools.features.PolicyControllerFeatureAPI;
+import org.onap.policy.drools.features.PolicyControllerFeatureApi;
 import org.onap.policy.drools.protocol.configuration.DroolsConfiguration;
-import org.onap.policy.drools.system.internal.AggregatedPolicyController;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 
 /**
@@ -149,21 +141,21 @@ public interface PolicyControllerFactory {
 
     /**
      * get features attached to the Policy Controllers.
-     * 
+     *
      * @return list of features
      */
-    List<PolicyControllerFeatureAPI> getFeatureProviders();
+    List<PolicyControllerFeatureApi> getFeatureProviders();
 
     /**
      * get named feature attached to the Policy Controllers.
-     * 
+     *
      * @return the feature
      */
-    PolicyControllerFeatureAPI getFeatureProvider(String featureName);
+    PolicyControllerFeatureApi getFeatureProvider(String featureName);
 
     /**
      * get features attached to the Policy Controllers.
-     * 
+     *
      * @return list of features
      */
     List<String> getFeatures();
@@ -175,355 +167,3 @@ public interface PolicyControllerFactory {
      */
     List<PolicyController> inventory();
 }
-
-/**
- * Factory of Policy Controllers indexed by the name of the Policy Controller.
- */
-class IndexedPolicyControllerFactory implements PolicyControllerFactory {
-    // get an instance of logger
-    private static final Logger  logger = LoggerFactory.getLogger(PolicyControllerFactory.class);
-
-    /**
-     * Policy Controller Name Index.
-     */
-    private final HashMap<String,PolicyController> policyControllers =
-            new HashMap<>();
-
-    /**
-     * Group/Artifact Ids Index.
-     */
-    private final HashMap<String,PolicyController> coordinates2Controller =
-            new HashMap<>();
-
-    /**
-     * produces key for indexing controller names.
-     *
-     * @param groupId group id
-     * @param artifactId artifact id
-     * @return index key
-     */
-    private String toKey(String groupId, String artifactId) {
-        return groupId + ":" + artifactId;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public synchronized PolicyController build(String name, Properties properties) {
-
-        if (this.policyControllers.containsKey(name)) {
-            return this.policyControllers.get(name);
-        }
-
-        /* A PolicyController does not exist */
-
-        PolicyController controller = newPolicyController(name, properties);
-
-        String coordinates = toKey(controller.getDrools().getGroupId(),
-                                   controller.getDrools().getArtifactId());
-
-        this.policyControllers.put(name, controller);
-
-
-        if (controller.getDrools().isBrained()) {
-            this.coordinates2Controller.put(coordinates, controller);
-        }
-
-        return controller;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public synchronized PolicyController patch(String name, DroolsConfiguration droolsConfig) {
-
-        if (name == null || name.isEmpty() || !this.policyControllers.containsKey(name)) {
-            throw makeArgEx(name);
-        }
-
-        PolicyController controller = this.get(name);
-
-        if (controller == null) {
-            logger.warn("A POLICY CONTROLLER of name {} does not exist for patch operation: {}", name, droolsConfig);
-
-            throw new IllegalArgumentException("Not a valid controller of name " + name);
-        }
-
-        this.patch(controller, droolsConfig);
-
-        logger.info("UPDATED drools configuration: {} on {}", droolsConfig, this);
-
-        return controller;
-    }
-
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void patch(PolicyController controller, DroolsConfiguration droolsConfig) {
-
-        if (controller == null) {
-            throw new IllegalArgumentException("Not a valid controller:  null");
-        }
-
-        if (droolsConfig == null) {
-            throw new IllegalArgumentException("Invalid Drools Configuration");
-        }
-
-        if (!controller.updateDrools(droolsConfig)) {
-            logger.warn("Cannot update drools configuration: {} on {}", droolsConfig, this);
-            throw new IllegalArgumentException("Cannot update drools configuration Drools Configuration");
-        }
-
-        logger.info("UPDATED drools configuration: {} on {}", droolsConfig, this);
-
-        String coordinates = toKey(controller.getDrools().getGroupId(),
-                                   controller.getDrools().getArtifactId());
-
-        if (controller.getDrools().isBrained()) {
-            this.coordinates2Controller.put(coordinates, controller);
-        }
-
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void shutdown(String controllerName) {
-
-        if (controllerName == null || controllerName.isEmpty()) {
-            throw makeArgEx(controllerName);
-        }
-
-        synchronized (this) {
-            if (!this.policyControllers.containsKey(controllerName)) {
-                return;
-            }
-
-            PolicyController controller = this.policyControllers.get(controllerName);
-            this.shutdown(controller);
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void shutdown(PolicyController controller) {
-        this.unmanage(controller);
-        controller.shutdown();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void shutdown() {
-        List<PolicyController> controllers = this.inventory();
-        for (PolicyController controller: controllers) {
-            controller.shutdown();
-        }
-
-        synchronized (this) {
-            this.policyControllers.clear();
-            this.coordinates2Controller.clear();
-        }
-    }
-
-    /**
-     * unmanage the controller.
-     *
-     * @param controller controller
-     * @throws IllegalArgumentException exception
-     */
-    private void unmanage(PolicyController controller) {
-        PolicyController tempController = controller;
-        if (tempController == null) {
-            throw new IllegalArgumentException("Invalid Controller");
-        }
-
-        synchronized (this) {
-            if (!this.policyControllers.containsKey(tempController.getName())) {
-                return;
-            }
-            tempController = this.policyControllers.remove(tempController.getName());
-
-            String coordinates = toKey(tempController.getDrools().getGroupId(),
-                    tempController.getDrools().getArtifactId());
-            this.coordinates2Controller.remove(coordinates);
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void destroy(String controllerName) {
-
-        if (controllerName == null || controllerName.isEmpty()) {
-            throw makeArgEx(controllerName);
-        }
-
-        synchronized (this) {
-            if (!this.policyControllers.containsKey(controllerName)) {
-                return;
-            }
-
-            PolicyController controller = this.policyControllers.get(controllerName);
-            this.destroy(controller);
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void destroy(PolicyController controller) {
-        this.unmanage(controller);
-        controller.halt();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void destroy() {
-        List<PolicyController> controllers = this.inventory();
-        for (PolicyController controller: controllers) {
-            controller.halt();
-        }
-
-        synchronized (this) {
-            this.policyControllers.clear();
-            this.coordinates2Controller.clear();
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public PolicyController get(String name) {
-
-        if (name == null || name.isEmpty()) {
-            throw makeArgEx(name);
-        }
-
-        synchronized (this) {
-            if (this.policyControllers.containsKey(name)) {
-                return this.policyControllers.get(name);
-            } else {
-                throw makeArgEx(name);
-            }
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public PolicyController get(String groupId, String artifactId) {
-
-        if (groupId == null || groupId.isEmpty()
-            || artifactId == null || artifactId.isEmpty()) {
-            throw new IllegalArgumentException("Invalid group/artifact ids");
-        }
-
-        synchronized (this) {
-            String key = toKey(groupId,artifactId);
-            if (this.coordinates2Controller.containsKey(key)) {
-                return this.coordinates2Controller.get(key);
-            } else {
-                throw makeArgEx(key);
-            }
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public PolicyController get(DroolsController droolsController) {
-
-        if (droolsController == null) {
-            throw new IllegalArgumentException("No Drools Controller provided");
-        }
-
-        synchronized (this) {
-            String key = toKey(droolsController.getGroupId(), droolsController.getArtifactId());
-            if (this.coordinates2Controller.containsKey(key)) {
-                return this.coordinates2Controller.get(key);
-            } else {
-                logger.error("Drools Controller not associated with Policy Controller {}:{}", droolsController, this);
-                throw new IllegalStateException("Drools Controller not associated with Policy Controller " 
-                        + droolsController + ":" + this);
-            }
-        }
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<PolicyController> inventory() {
-        return new ArrayList<>(this.policyControllers.values());
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public List<String> getFeatures() {
-        List<String> features = new ArrayList<>();
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
-            features.add(feature.getName());
-        }
-        return features;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @JsonIgnore
-    @GsonJsonIgnore
-    @Override
-    public List<PolicyControllerFeatureAPI> getFeatureProviders() {
-        return getProviders();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public PolicyControllerFeatureAPI getFeatureProvider(String featureName) {
-        if (featureName == null || featureName.isEmpty()) {
-            throw new IllegalArgumentException("A feature name must be provided");
-        }
-        
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
-            if (feature.getName().equals(featureName)) {
-                return feature;
-            }
-        }
-
-        throw new IllegalArgumentException("Invalid Feature Name: " + featureName);
-    }
-
-    private IllegalArgumentException makeArgEx(String argName) {
-        return new IllegalArgumentException("Invalid " + argName);
-    }
-    
-    // these methods can be overridden by junit tests
-        
-    protected PolicyController newPolicyController(String name, Properties properties) {
-        return new AggregatedPolicyController(name, properties);
-    }
-
-    protected List<PolicyControllerFeatureAPI> getProviders() {
-        return PolicyControllerFeatureAPI.providers.getList();
-    }
-}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
index 811a9c80..eb2ed3df 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
@@ -20,47 +20,18 @@
 
 package org.onap.policy.drools.system;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Properties;
-
 import org.onap.policy.common.capabilities.Lockable;
 import org.onap.policy.common.capabilities.Startable;
-import org.onap.policy.common.endpoints.event.comm.Topic;
 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
-import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
-import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.event.comm.TopicListener;
 import org.onap.policy.common.endpoints.event.comm.TopicSink;
 import org.onap.policy.common.endpoints.event.comm.TopicSource;
 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
-import org.onap.policy.common.endpoints.http.server.HttpServletServerFactory;
-import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
-import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
-import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
-import org.onap.policy.common.gson.annotation.GsonJsonProperty;
-import org.onap.policy.drools.controller.DroolsController;
-import org.onap.policy.drools.core.PolicyContainer;
-import org.onap.policy.drools.core.jmx.PdpJmxListener;
-import org.onap.policy.drools.features.PolicyControllerFeatureAPI;
-import org.onap.policy.drools.features.PolicyEngineFeatureAPI;
-import org.onap.policy.drools.persistence.SystemPersistence;
-import org.onap.policy.drools.properties.DroolsProperties;
-import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
+import org.onap.policy.drools.features.PolicyEngineFeatureApi;
 import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
 import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
-import org.onap.policy.drools.server.restful.RestManager;
-import org.onap.policy.drools.server.restful.aaf.AafTelemetryAuthFilter;
-import org.onap.policy.drools.utils.PropertyUtil;
-import org.onap.policy.drools.utils.logging.LoggerUtil;
-import org.onap.policy.drools.utils.logging.MDCTransaction;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * Policy Engine, the top abstraction for the Drools PDP Policy Engine. It abstracts away a Drools
@@ -249,14 +220,14 @@ public interface PolicyEngine extends Startable, Lockable, TopicListener {
      *
      * @return list of features
      */
-    List<PolicyEngineFeatureAPI> getFeatureProviders();
+    List<PolicyEngineFeatureApi> getFeatureProviders();
 
     /**
      * get named feature attached to the Policy Engine.
      *
      * @return the feature
      */
-    PolicyEngineFeatureAPI getFeatureProvider(String featureName);
+    PolicyEngineFeatureApi getFeatureProvider(String featureName);
 
     /**
      * get features attached to the Policy Engine.
@@ -336,1268 +307,3 @@ public interface PolicyEngine extends Startable, Lockable, TopicListener {
      */
     Properties defaultTelemetryConfig();
 }
-
-
-/**
- * Policy Engine Manager Implementation.
- */
-class PolicyEngineManager implements PolicyEngine {
-
-    /**
-     * String literals.
-     */
-    private static final String INVALID_TOPIC_MSG = "Invalid Topic";
-    private static final String INVALID_EVENT_MSG = "Invalid Event";
-
-    private static final String ENGINE_STOPPED_MSG = "Policy Engine is stopped";
-    private static final String ENGINE_LOCKED_MSG = "Policy Engine is locked";
-
-    /**
-     * logger.
-     */
-    private static final Logger logger = LoggerFactory.getLogger(PolicyEngineManager.class);
-
-    /**
-     * Is the Policy Engine running.
-     */
-    private volatile boolean alive = false;
-
-    /**
-     * Is the engine locked.
-     */
-    private volatile boolean locked = false;
-
-    /**
-     * Properties used to initialize the engine.
-     */
-    private Properties properties;
-
-    /**
-     * Environment Properties.
-     */
-    private final Properties environment = new Properties();
-
-    /**
-     * Policy Engine Sources.
-     */
-    private List<? extends TopicSource> sources = new ArrayList<>();
-
-    /**
-     * Policy Engine Sinks.
-     */
-    private List<? extends TopicSink> sinks = new ArrayList<>();
-
-    /**
-     * Policy Engine HTTP Servers.
-     */
-    private List<HttpServletServer> httpServers = new ArrayList<>();
-
-    /**
-     * gson parser to decode configuration requests.
-     */
-    private final Gson decoder = new GsonBuilder().disableHtmlEscaping().create();
-
-
-    @Override
-    public synchronized void boot(String[] cliArgs) {
-
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeBoot(this, cliArgs)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-boot failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        try {
-            globalInitContainer(cliArgs);
-        } catch (final Exception e) {
-            logger.error("{}: cannot init policy-container because of {}", this, e.getMessage(), e);
-        }
-
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterBoot(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-boot failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-    }
-
-    @Override
-    public synchronized void setEnvironment(Properties properties) {
-        this.environment.putAll(PropertyUtil.getInterpolatedProperties(properties));
-    }
-
-    @JsonIgnore
-    @GsonJsonIgnore
-    @Override
-    public synchronized Properties getEnvironment() {
-        return this.environment;
-    }
-
-    @Override
-    public synchronized String getEnvironmentProperty(String envKey) {
-        String value = this.environment.getProperty(envKey);
-        if (value == null) {
-            value = System.getProperty(envKey);
-            if (value == null) {
-                value = System.getenv(envKey);
-            }
-        }
-        return value;
-    }
-
-    @Override
-    public synchronized String setEnvironmentProperty(String envKey, String envValue) {
-        return (String) this.environment.setProperty(envKey, envValue);
-    }
-
-    @Override
-    public final Properties defaultTelemetryConfig() {
-        final Properties defaultConfig = new Properties();
-
-        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES, "TELEMETRY");
-        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
-                + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, TELEMETRY_SERVER_DEFAULT_HOST);
-        defaultConfig.put(
-                PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
-                        + PolicyEndPointProperties.PROPERTY_HTTP_PORT_SUFFIX,
-                "" + Integer.toString(TELEMETRY_SERVER_DEFAULT_PORT));
-        defaultConfig.put(
-                PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
-                        + PolicyEndPointProperties.PROPERTY_HTTP_REST_PACKAGES_SUFFIX,
-                RestManager.class.getPackage().getName());
-        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
-                + PolicyEndPointProperties.PROPERTY_HTTP_SWAGGER_SUFFIX, "" + Boolean.TRUE);
-        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
-                + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX, "" + Boolean.FALSE);
-
-        return defaultConfig;
-    }
-
-    @Override
-    public synchronized void configure(Properties properties) {
-
-        if (properties == null) {
-            logger.warn("No properties provided");
-            throw new IllegalArgumentException("No properties provided");
-        }
-
-        /* policy-engine dispatch pre configure hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeConfigure(this, properties)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-configure failure because of {}", this,
-                        feature.getClass().getName(), e.getMessage(), e);
-            }
-        }
-
-        this.properties = properties;
-
-        try {
-            this.sources = getTopicEndpointManager().addTopicSources(properties);
-            for (final TopicSource source : this.sources) {
-                source.register(this);
-            }
-        } catch (final Exception e) {
-            logger.error("{}: add-sources failed", this, e);
-        }
-
-        try {
-            this.sinks = getTopicEndpointManager().addTopicSinks(properties);
-        } catch (final IllegalArgumentException e) {
-            logger.error("{}: add-sinks failed", this, e);
-        }
-
-        try {
-            this.httpServers = getServletFactory().build(properties);
-            for (HttpServletServer server : this.httpServers) {
-                if (server.isAaf()) {
-                    server.addFilterClass(null, AafTelemetryAuthFilter.class.getName());
-                }
-            }
-        } catch (final IllegalArgumentException e) {
-            logger.error("{}: add-http-servers failed", this, e);
-        }
-
-        /* policy-engine dispatch post configure hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterConfigure(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-configure failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-    }
-
-    @Override
-    public boolean configure(PdpdConfiguration config) {
-
-        if (config == null) {
-            throw new IllegalArgumentException("No configuration provided");
-        }
-
-        final String entity = config.getEntity();
-
-        MDCTransaction mdcTrans = MDCTransaction.newTransaction(config.getRequestID(), "brmsgw");
-        if (this.getSources().size() == 1) {
-            Topic topic = this.getSources().get(0);
-            mdcTrans.setServiceName(topic.getTopic()).setRemoteHost(topic.getServers().toString())
-                    .setTargetEntity(config.getEntity());
-        }
-
-        switch (entity) {
-            case PdpdConfiguration.CONFIG_ENTITY_CONTROLLER:
-                boolean success = controllerConfig(config);
-                mdcTrans.resetSubTransaction().setStatusCode(success).transaction();
-                return success;
-            default:
-                final String msg = "Configuration Entity is not supported: " + entity;
-                mdcTrans.resetSubTransaction().setStatusCode(false).setResponseDescription(msg).flush();
-                logger.warn(LoggerUtil.TRANSACTION_LOG_MARKER_NAME, msg);
-                throw new IllegalArgumentException(msg);
-        }
-    }
-
-    @Override
-    public synchronized PolicyController createPolicyController(String name, Properties properties) {
-
-        String tempName = name;
-        // check if a PROPERTY_CONTROLLER_NAME property is present
-        // if so, override the given name
-
-        final String propertyControllerName = properties.getProperty(DroolsProperties.PROPERTY_CONTROLLER_NAME);
-        if (propertyControllerName != null && !propertyControllerName.isEmpty()) {
-            if (!propertyControllerName.equals(tempName)) {
-                throw new IllegalStateException("Proposed name (" + tempName + ") and properties name ("
-                        + propertyControllerName + ") don't match");
-            }
-            tempName = propertyControllerName;
-        }
-
-        PolicyController controller;
-        for (final PolicyControllerFeatureAPI controllerFeature : getControllerProviders()) {
-            try {
-                controller = controllerFeature.beforeCreate(tempName, properties);
-                if (controller != null) {
-                    return controller;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-controller-create failure because of {}", this,
-                        controllerFeature.getClass().getName(), e.getMessage(), e);
-            }
-        }
-
-        controller = getControllerFactory().build(tempName, properties);
-        if (this.isLocked()) {
-            controller.lock();
-        }
-
-        // feature hook
-        for (final PolicyControllerFeatureAPI controllerFeature : getControllerProviders()) {
-            try {
-                if (controllerFeature.afterCreate(controller)) {
-                    return controller;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-controller-create failure because of {}", this,
-                        controllerFeature.getClass().getName(), e.getMessage(), e);
-            }
-        }
-
-        return controller;
-    }
-
-
-    @Override
-    public List<PolicyController> updatePolicyControllers(List<ControllerConfiguration> configControllers) {
-
-        final List<PolicyController> policyControllers = new ArrayList<>();
-        if (configControllers == null || configControllers.isEmpty()) {
-            logger.info("No controller configuration provided: {}", configControllers);
-            return policyControllers;
-        }
-
-        for (final ControllerConfiguration configController : configControllers) {
-            MDCTransaction mdcTrans = MDCTransaction.newSubTransaction(null).setTargetEntity(configController.getName())
-                    .setTargetServiceName(configController.getOperation())
-                    .setTargetVirtualEntity("" + configController.getDrools());
-            try {
-                final PolicyController policyController = this.updatePolicyController(configController);
-                policyControllers.add(policyController);
-                mdcTrans.setStatusCode(true).transaction();
-            } catch (final Exception e) {
-                mdcTrans.setStatusCode(false).setResponseCode(e.getClass().getName())
-                        .setResponseDescription(e.getMessage()).flush();
-                logger.error(LoggerUtil.TRANSACTION_LOG_MARKER_NAME,
-                        "{}: cannot update-policy-controllers because of {}", this, e.getMessage(), e);
-            }
-        }
-
-        return policyControllers;
-    }
-
-    @Override
-    public synchronized PolicyController updatePolicyController(ControllerConfiguration configController) {
-
-        if (configController == null) {
-            throw new IllegalArgumentException("No controller configuration has been provided");
-        }
-
-        final String controllerName = configController.getName();
-        if (controllerName == null || controllerName.isEmpty()) {
-            logger.warn("controller-name  must be provided");
-            throw new IllegalArgumentException("No controller configuration has been provided");
-        }
-
-        PolicyController policyController = null;
-        try {
-            final String operation = configController.getOperation();
-            if (operation == null || operation.isEmpty()) {
-                logger.warn("operation must be provided");
-                throw new IllegalArgumentException("operation must be provided");
-            }
-
-            try {
-                policyController = getControllerFactory().get(controllerName);
-            } catch (final IllegalArgumentException e) {
-                // not found
-                logger.warn("Policy Controller " + controllerName + " not found", e);
-            }
-
-            if (policyController == null) {
-
-                if (operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK)
-                        || operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK)) {
-                    throw new IllegalArgumentException(controllerName + " is not available for operation " + operation);
-                }
-
-                /* Recovery case */
-
-                logger.warn("controller {} does not exist. Attempting recovery from disk", controllerName);
-
-                final Properties controllerProperties =
-                        getPersistenceManager().getControllerProperties(controllerName);
-
-                /*
-                 * returned properties cannot be null (per implementation) assert (properties !=
-                 * null)
-                 */
-
-                if (controllerProperties == null) {
-                    throw new IllegalArgumentException(controllerName + " is invalid");
-                }
-
-                logger.warn("controller being recovered. {} Reset controller's bad maven coordinates to brainless",
-                        controllerName);
-
-                /*
-                 * try to bring up bad controller in brainless mode, after having it working, apply
-                 * the new create/update operation.
-                 */
-                controllerProperties.setProperty(DroolsProperties.RULES_GROUPID, DroolsController.NO_GROUP_ID);
-                controllerProperties.setProperty(DroolsProperties.RULES_ARTIFACTID, DroolsController.NO_ARTIFACT_ID);
-                controllerProperties.setProperty(DroolsProperties.RULES_VERSION, DroolsController.NO_VERSION);
-
-                policyController = getPolicyEngine().createPolicyController(controllerName, controllerProperties);
-
-                /* fall through to do brain update operation */
-            }
-
-            switch (operation) {
-                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_CREATE:
-                    getControllerFactory().patch(policyController, configController.getDrools());
-                    break;
-                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UPDATE:
-                    policyController.unlock();
-                    getControllerFactory().patch(policyController, configController.getDrools());
-                    break;
-                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK:
-                    policyController.lock();
-                    break;
-                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK:
-                    policyController.unlock();
-                    break;
-                default:
-                    final String msg = "Controller Operation Configuration is not supported: " + operation + " for "
-                            + controllerName;
-                    logger.warn(msg);
-                    throw new IllegalArgumentException(msg);
-            }
-
-            return policyController;
-        } catch (final Exception e) {
-            logger.error("{}: cannot update-policy-controller because of {}", this, e.getMessage(), e);
-            throw e;
-        } catch (final LinkageError e) {
-            logger.error("{}: cannot update-policy-controllers (rules) because of {}", this, e.getMessage(), e);
-            throw new IllegalStateException(e);
-        }
-    }
-
-    @Override
-    public synchronized boolean start() {
-
-        /* policy-engine dispatch pre start hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeStart(this)) {
-                    return true;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-start failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        boolean success = true;
-        if (this.locked) {
-            throw new IllegalStateException(ENGINE_LOCKED_MSG);
-        }
-
-        this.alive = true;
-
-        /* Start Policy Engine exclusively-owned (unmanaged) http servers */
-
-        for (final HttpServletServer httpServer : this.httpServers) {
-            try {
-                if (!httpServer.waitedStart(10 * 1000L)) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start http-server {} because of {}", this, httpServer, e.getMessage(), e);
-            }
-        }
-
-        /* Start Policy Engine exclusively-owned (unmanaged) sources */
-
-        for (final TopicSource source : this.sources) {
-            try {
-                if (!source.start()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start topic-source {} because of {}", this, source, e.getMessage(), e);
-            }
-        }
-
-        /* Start Policy Engine owned (unmanaged) sinks */
-
-        for (final TopicSink sink : this.sinks) {
-            try {
-                if (!sink.start()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start topic-sink {} because of {}", this, sink, e.getMessage(), e);
-            }
-        }
-
-        /* Start Policy Controllers */
-
-        final List<PolicyController> controllers = getControllerFactory().inventory();
-        for (final PolicyController controller : controllers) {
-            try {
-                if (!controller.start()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start policy-controller {} because of {}", this, controller, e.getMessage(),
-                        e);
-                success = false;
-            }
-        }
-
-        /* Start managed Topic Endpoints */
-
-        try {
-            if (!getTopicEndpointManager().start()) {
-                success = false;
-            }
-        } catch (final IllegalStateException e) {
-            logger.warn("{}: Topic Endpoint Manager is in an invalid state because of {}", this, e.getMessage(), e);
-        }
-
-
-        // Start the JMX listener
-
-        startPdpJmxListener();
-
-        /* policy-engine dispatch after start hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterStart(this)) {
-                    return success;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-start failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        return success;
-    }
-
-    @Override
-    public synchronized boolean stop() {
-
-        /* policy-engine dispatch pre stop hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeStop(this)) {
-                    return true;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-stop failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        /* stop regardless of the lock state */
-
-        boolean success = true;
-        if (!this.alive) {
-            return true;
-        }
-
-        this.alive = false;
-
-        final List<PolicyController> controllers = getControllerFactory().inventory();
-        for (final PolicyController controller : controllers) {
-            try {
-                if (!controller.stop()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot stop policy-controller {} because of {}", this, controller, e.getMessage(), e);
-                success = false;
-            }
-        }
-
-        /* Stop Policy Engine owned (unmanaged) sources */
-        for (final TopicSource source : this.sources) {
-            try {
-                if (!source.stop()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start topic-source {} because of {}", this, source, e.getMessage(), e);
-            }
-        }
-
-        /* Stop Policy Engine owned (unmanaged) sinks */
-        for (final TopicSink sink : this.sinks) {
-            try {
-                if (!sink.stop()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start topic-sink {} because of {}", this, sink, e.getMessage(), e);
-            }
-        }
-
-        /* stop all managed topics sources and sinks */
-        if (!getTopicEndpointManager().stop()) {
-            success = false;
-        }
-
-        /* stop all unmanaged http servers */
-        for (final HttpServletServer httpServer : this.httpServers) {
-            try {
-                if (!httpServer.stop()) {
-                    success = false;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: cannot start http-server {} because of {}", this, httpServer, e.getMessage(), e);
-            }
-        }
-
-        // stop JMX?
-
-        /* policy-engine dispatch pre stop hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterStop(this)) {
-                    return success;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-stop failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        return success;
-    }
-
-    @Override
-    public synchronized void shutdown() {
-
-        /*
-         * shutdown activity even when underlying subcomponents (features, controllers, topics, etc
-         * ..) are stuck
-         */
-
-        Thread exitThread = makeShutdownThread();
-        exitThread.start();
-
-        /* policy-engine dispatch pre shutdown hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeShutdown(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-shutdown failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        this.alive = false;
-
-        /* Shutdown Policy Engine owned (unmanaged) sources */
-        for (final TopicSource source : this.sources) {
-            try {
-                source.shutdown();
-            } catch (final Exception e) {
-                logger.error("{}: cannot shutdown topic-source {} because of {}", this, source, e.getMessage(), e);
-            }
-        }
-
-        /* Shutdown Policy Engine owned (unmanaged) sinks */
-        for (final TopicSink sink : this.sinks) {
-            try {
-                sink.shutdown();
-            } catch (final Exception e) {
-                logger.error("{}: cannot shutdown topic-sink {} because of {}", this, sink, e.getMessage(), e);
-            }
-        }
-
-        /* Shutdown managed resources */
-        getControllerFactory().shutdown();
-        getTopicEndpointManager().shutdown();
-        getServletFactory().destroy();
-
-        // Stop the JMX listener
-
-        stopPdpJmxListener();
-
-        /* policy-engine dispatch post shutdown hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterShutdown(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-shutdown failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        exitThread.interrupt();
-        logger.info("{}: normal termination", this);
-    }
-
-    /**
-     * Thread that shuts down http servers.
-     */
-    protected class ShutdownThread extends Thread {
-        private static final long SHUTDOWN_MAX_GRACE_TIME = 30000L;
-
-        @Override
-        public void run() {
-            try {
-                doSleep(SHUTDOWN_MAX_GRACE_TIME);
-                logger.warn("{}: abnormal termination - shutdown graceful time period expiration",
-                        PolicyEngineManager.this);
-            } catch (final InterruptedException e) {
-                /* courtesy to shutdown() to allow it to return */
-                synchronized (PolicyEngineManager.this) {
-                }
-                logger.info("{}: finishing a graceful shutdown ", PolicyEngineManager.this, e);
-            } finally {
-                /*
-                 * shut down the Policy Engine owned http servers as the very last thing
-                 */
-                for (final HttpServletServer httpServer : PolicyEngineManager.this.getHttpServers()) {
-                    try {
-                        httpServer.shutdown();
-                    } catch (final Exception e) {
-                        logger.error("{}: cannot shutdown http-server {} because of {}", PolicyEngineManager.this,
-                                httpServer, e.getMessage(), e);
-                    }
-                }
-
-                logger.info("{}: exit", PolicyEngineManager.this);
-                doExit(0);
-            }
-        }
-
-        // these may be overridden by junit tests
-
-        protected void doSleep(long sleepMs) throws InterruptedException {
-            Thread.sleep(sleepMs);
-        }
-
-        protected void doExit(int code) {
-            System.exit(code);
-        }
-    }
-
-    @Override
-    public boolean isAlive() {
-        return this.alive;
-    }
-
-    @Override
-    public synchronized boolean lock() {
-
-        /* policy-engine dispatch pre lock hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeLock(this)) {
-                    return true;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-lock failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        if (this.locked) {
-            return true;
-        }
-
-        this.locked = true;
-
-        boolean success = true;
-        final List<PolicyController> controllers = getControllerFactory().inventory();
-        for (final PolicyController controller : controllers) {
-            try {
-                success = controller.lock() && success;
-            } catch (final Exception e) {
-                logger.error("{}: cannot lock policy-controller {} because of {}", this, controller, e.getMessage(), e);
-                success = false;
-            }
-        }
-
-        success = getTopicEndpointManager().lock() && success;
-
-        /* policy-engine dispatch post lock hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterLock(this)) {
-                    return success;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-lock failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        return success;
-    }
-
-    @Override
-    public synchronized boolean unlock() {
-
-        /* policy-engine dispatch pre unlock hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeUnlock(this)) {
-                    return true;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-unlock failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        if (!this.locked) {
-            return true;
-        }
-
-        this.locked = false;
-
-        boolean success = true;
-        final List<PolicyController> controllers = getControllerFactory().inventory();
-        for (final PolicyController controller : controllers) {
-            try {
-                success = controller.unlock() && success;
-            } catch (final Exception e) {
-                logger.error("{}: cannot unlock policy-controller {} because of {}", this, controller, e.getMessage(),
-                        e);
-                success = false;
-            }
-        }
-
-        success = getTopicEndpointManager().unlock() && success;
-
-        /* policy-engine dispatch after unlock hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterUnlock(this)) {
-                    return success;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-unlock failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        return success;
-    }
-
-    @Override
-    public boolean isLocked() {
-        return this.locked;
-    }
-
-    @Override
-    public void removePolicyController(String name) {
-        getControllerFactory().destroy(name);
-    }
-
-    @Override
-    public void removePolicyController(PolicyController controller) {
-        getControllerFactory().destroy(controller);
-    }
-
-    @JsonIgnore
-    @GsonJsonIgnore
-    @Override
-    public List<PolicyController> getPolicyControllers() {
-        return getControllerFactory().inventory();
-    }
-
-    @JsonProperty("controllers")
-    @GsonJsonProperty("controllers")
-    @Override
-    public List<String> getPolicyControllerIds() {
-        final List<String> controllerNames = new ArrayList<>();
-        for (final PolicyController controller : getControllerFactory().inventory()) {
-            controllerNames.add(controller.getName());
-        }
-        return controllerNames;
-    }
-
-    @Override
-    @JsonIgnore
-    @GsonJsonIgnore
-    public Properties getProperties() {
-        return this.properties;
-    }
-
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public List<TopicSource> getSources() {
-        return (List<TopicSource>) this.sources;
-    }
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public List<TopicSink> getSinks() {
-        return (List<TopicSink>) this.sinks;
-    }
-
-    @Override
-    public List<HttpServletServer> getHttpServers() {
-        return this.httpServers;
-    }
-
-    @Override
-    public List<String> getFeatures() {
-        final List<String> features = new ArrayList<>();
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            features.add(feature.getName());
-        }
-        return features;
-    }
-
-    @JsonIgnore
-    @GsonJsonIgnore
-    @Override
-    public List<PolicyEngineFeatureAPI> getFeatureProviders() {
-        return getEngineProviders();
-    }
-
-    @Override
-    public PolicyEngineFeatureAPI getFeatureProvider(String featureName) {
-        if (featureName == null || featureName.isEmpty()) {
-            throw new IllegalArgumentException("A feature name must be provided");
-        }
-
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            if (feature.getName().equals(featureName)) {
-                return feature;
-            }
-        }
-
-        throw new IllegalArgumentException("Invalid Feature Name: " + featureName);
-    }
-
-    @Override
-    public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
-        /* policy-engine pre topic event hook */
-        for (final PolicyEngineFeatureAPI feature : getFeatureProviders()) {
-            try {
-                if (feature.beforeOnTopicEvent(this, commType, topic, event)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} beforeOnTopicEvent failure on event {} because of {}", this,
-                        feature.getClass().getName(), event, e.getMessage(), e);
-            }
-        }
-
-        /* configuration request */
-        PdpdConfiguration configuration = null;
-        try {
-            configuration = this.decoder.fromJson(event, PdpdConfiguration.class);
-            this.configure(configuration);
-        } catch (final Exception e) {
-            logger.error("{}: configuration-error due to {} because of {}", this, event, e.getMessage(), e);
-        }
-
-        /* policy-engine after topic event hook */
-        for (final PolicyEngineFeatureAPI feature : getFeatureProviders()) {
-            try {
-                if (feature.afterOnTopicEvent(this, configuration, commType, topic, event)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} afterOnTopicEvent failure on event {} because of {}", this,
-                        feature.getClass().getName(), event, e.getMessage(), e);
-            }
-        }
-    }
-
-    @Override
-    public boolean deliver(String topic, Object event) {
-
-        /*
-         * Note this entry point is usually from the DRL
-         */
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        if (event == null) {
-            throw new IllegalArgumentException(INVALID_EVENT_MSG);
-        }
-
-        if (!this.isAlive()) {
-            throw new IllegalStateException(ENGINE_STOPPED_MSG);
-        }
-
-        if (this.isLocked()) {
-            throw new IllegalStateException(ENGINE_LOCKED_MSG);
-        }
-
-        final List<? extends TopicSink> topicSinks = getTopicEndpointManager().getTopicSinks(topic);
-        if (topicSinks == null || topicSinks.size() != 1) {
-            throw new IllegalStateException("Cannot ensure correct delivery on topic " + topic + ": " + topicSinks);
-        }
-
-        return this.deliver(topicSinks.get(0).getTopicCommInfrastructure(), topic, event);
-    }
-
-    @Override
-    public boolean deliver(String busType, String topic, Object event) {
-
-        /*
-         * Note this entry point is usually from the DRL (one of the reasons busType is String.
-         */
-
-        if (busType == null || busType.isEmpty()) {
-            throw new IllegalArgumentException("Invalid Communication Infrastructure");
-        }
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        if (event == null) {
-            throw new IllegalArgumentException(INVALID_EVENT_MSG);
-        }
-
-        boolean valid = false;
-        for (final Topic.CommInfrastructure comm : Topic.CommInfrastructure.values()) {
-            if (comm.name().equals(busType)) {
-                valid = true;
-            }
-        }
-
-        if (!valid) {
-            throw new IllegalArgumentException("Invalid Communication Infrastructure: " + busType);
-        }
-
-
-        if (!this.isAlive()) {
-            throw new IllegalStateException(ENGINE_STOPPED_MSG);
-        }
-
-        if (this.isLocked()) {
-            throw new IllegalStateException(ENGINE_LOCKED_MSG);
-        }
-
-
-        return this.deliver(Topic.CommInfrastructure.valueOf(busType), topic, event);
-    }
-
-    @Override
-    public boolean deliver(Topic.CommInfrastructure busType, String topic, Object event) {
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        if (event == null) {
-            throw new IllegalArgumentException(INVALID_EVENT_MSG);
-        }
-
-        if (!this.isAlive()) {
-            throw new IllegalStateException(ENGINE_STOPPED_MSG);
-        }
-
-        if (this.isLocked()) {
-            throw new IllegalStateException(ENGINE_LOCKED_MSG);
-        }
-
-        /*
-         * Try to send through the controller, this is the preferred way, since it may want to apply
-         * additional processing
-         */
-        try {
-            final DroolsController droolsController = getProtocolCoder().getDroolsController(topic, event);
-            final PolicyController controller = getControllerFactory().get(droolsController);
-            if (controller != null) {
-                return controller.deliver(busType, topic, event);
-            }
-        } catch (final Exception e) {
-            logger.warn("{}: cannot find policy-controller to deliver {} over {}:{} because of {}", this, event,
-                    busType, topic, e.getMessage(), e);
-
-            /* continue (try without routing through the controller) */
-        }
-
-        /*
-         * cannot route through the controller, send directly through the topic sink
-         */
-        try {
-            final String json = getProtocolCoder().encode(topic, event);
-            return this.deliver(busType, topic, json);
-
-        } catch (final Exception e) {
-            logger.warn("{}: cannot deliver {} over {}:{} because of {}", this, event, busType, topic, e.getMessage(),
-                    e);
-            throw e;
-        }
-    }
-
-    @Override
-    public boolean deliver(Topic.CommInfrastructure busType, String topic, String event) {
-
-        if (topic == null || topic.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
-        }
-
-        if (event == null || event.isEmpty()) {
-            throw new IllegalArgumentException(INVALID_EVENT_MSG);
-        }
-
-        if (!this.isAlive()) {
-            throw new IllegalStateException(ENGINE_STOPPED_MSG);
-        }
-
-        if (this.isLocked()) {
-            throw new IllegalStateException(ENGINE_LOCKED_MSG);
-        }
-
-        try {
-            final TopicSink sink = getTopicEndpointManager().getTopicSink(busType, topic);
-
-            if (sink == null) {
-                throw new IllegalStateException("Inconsistent State: " + this);
-            }
-
-            return sink.send(event);
-
-        } catch (final Exception e) {
-            logger.warn("{}: cannot deliver {} over {}:{} because of {}", this, event, busType, topic, e.getMessage(),
-                    e);
-            throw e;
-        }
-    }
-
-    @Override
-    public synchronized void activate() {
-
-        /* policy-engine dispatch pre activate hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeActivate(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-activate failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-
-        // activate 'policy-management'
-        for (final PolicyController policyController : this.getPolicyControllers()) {
-            try {
-                policyController.unlock();
-                policyController.start();
-            } catch (final Exception e) {
-                logger.error("{}: cannot activate of policy-controller {} because of {}", this, policyController,
-                        e.getMessage(), e);
-            } catch (final LinkageError e) {
-                logger.error("{}: cannot activate (rules compilation) of policy-controller {} because of {}", this,
-                        policyController, e.getMessage(), e);
-            }
-        }
-
-        this.unlock();
-
-        /* policy-engine dispatch post activate hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterActivate(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-activate failure because of {}", this, feature.getClass().getName(),
-                        e.getMessage(), e);
-            }
-        }
-    }
-
-    @Override
-    public synchronized void deactivate() {
-
-        /* policy-engine dispatch pre deactivate hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.beforeDeactivate(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} before-deactivate failure because of {}", this,
-                        feature.getClass().getName(), e.getMessage(), e);
-            }
-        }
-
-        this.lock();
-
-        for (final PolicyController policyController : this.getPolicyControllers()) {
-            try {
-                policyController.stop();
-            } catch (final Exception | LinkageError e) {
-                logger.error("{}: cannot deactivate (stop) policy-controller {} because of {}", this, policyController,
-                        e.getMessage(), e);
-            }
-        }
-
-        /* policy-engine dispatch post deactivate hook */
-        for (final PolicyEngineFeatureAPI feature : getEngineProviders()) {
-            try {
-                if (feature.afterDeactivate(this)) {
-                    return;
-                }
-            } catch (final Exception e) {
-                logger.error("{}: feature {} after-deactivate failure because of {}", this,
-                        feature.getClass().getName(), e.getMessage(), e);
-            }
-        }
-    }
-
-    private boolean controllerConfig(PdpdConfiguration config) {
-        /* only this one supported for now */
-        final List<ControllerConfiguration> configControllers = config.getControllers();
-        if (configControllers == null || configControllers.isEmpty()) {
-            logger.info("No controller configuration provided: {}", config);
-            return false;
-        }
-
-        final List<PolicyController> policyControllers = this.updatePolicyControllers(config.getControllers());
-        boolean success = false;
-        if (!(policyControllers == null || policyControllers.isEmpty())
-                && (policyControllers.size() == configControllers.size())) {
-            success = true;
-        }
-        return success;
-    }
-
-    @Override
-    public String toString() {
-        return "PolicyEngineManager [alive=" + this.alive + ", locked=" + this.locked + "]";
-    }
-
-    // these methods may be overridden by junit tests
-
-    protected List<PolicyEngineFeatureAPI> getEngineProviders() {
-        return PolicyEngineFeatureAPI.providers.getList();
-    }
-
-    protected List<PolicyControllerFeatureAPI> getControllerProviders() {
-        return PolicyControllerFeatureAPI.providers.getList();
-    }
-
-    protected void globalInitContainer(String[] cliArgs) {
-        PolicyContainer.globalInit(cliArgs);
-    }
-
-    protected TopicEndpoint getTopicEndpointManager() {
-        return TopicEndpointManager.getManager();
-    }
-
-    protected HttpServletServerFactory getServletFactory() {
-        return HttpServletServerFactoryInstance.getServerFactory();
-    }
-
-    protected PolicyControllerFactory getControllerFactory() {
-        return PolicyController.factory;
-    }
-
-    protected void startPdpJmxListener() {
-        PdpJmxListener.start();
-    }
-
-    protected void stopPdpJmxListener() {
-        PdpJmxListener.stop();
-    }
-
-    protected Thread makeShutdownThread() {
-        return new ShutdownThread();
-    }
-
-    protected EventProtocolCoder getProtocolCoder() {
-        return EventProtocolCoder.manager;
-    }
-
-    protected SystemPersistence getPersistenceManager() {
-        return SystemPersistence.manager;
-    }
-
-    protected PolicyEngine getPolicyEngine() {
-        return PolicyEngine.manager;
-    }
-}
-
-
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java
new file mode 100644
index 00000000..07202fb9
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java
@@ -0,0 +1,1321 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.system;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+import org.onap.policy.common.endpoints.event.comm.Topic;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
+import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
+import org.onap.policy.common.endpoints.event.comm.TopicSink;
+import org.onap.policy.common.endpoints.event.comm.TopicSource;
+import org.onap.policy.common.endpoints.http.server.HttpServletServer;
+import org.onap.policy.common.endpoints.http.server.HttpServletServerFactory;
+import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
+import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
+import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
+import org.onap.policy.common.gson.annotation.GsonJsonProperty;
+import org.onap.policy.drools.controller.DroolsController;
+import org.onap.policy.drools.core.PolicyContainer;
+import org.onap.policy.drools.core.jmx.PdpJmxListener;
+import org.onap.policy.drools.features.PolicyControllerFeatureApi;
+import org.onap.policy.drools.features.PolicyEngineFeatureApi;
+import org.onap.policy.drools.persistence.SystemPersistence;
+import org.onap.policy.drools.properties.DroolsProperties;
+import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
+import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
+import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
+import org.onap.policy.drools.server.restful.RestManager;
+import org.onap.policy.drools.server.restful.aaf.AafTelemetryAuthFilter;
+import org.onap.policy.drools.utils.PropertyUtil;
+import org.onap.policy.drools.utils.logging.LoggerUtil;
+import org.onap.policy.drools.utils.logging.MDCTransaction;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * Policy Engine Manager Implementation.
+ */
+class PolicyEngineManager implements PolicyEngine {
+
+    /**
+     * String literals.
+     */
+    private static final String INVALID_TOPIC_MSG = "Invalid Topic";
+    private static final String INVALID_EVENT_MSG = "Invalid Event";
+
+    private static final String ENGINE_STOPPED_MSG = "Policy Engine is stopped";
+    private static final String ENGINE_LOCKED_MSG = "Policy Engine is locked";
+
+    /**
+     * logger.
+     */
+    private static final Logger logger = LoggerFactory.getLogger(PolicyEngineManager.class);
+
+    /**
+     * Is the Policy Engine running.
+     */
+    private volatile boolean alive = false;
+
+    /**
+     * Is the engine locked.
+     */
+    private volatile boolean locked = false;
+
+    /**
+     * Properties used to initialize the engine.
+     */
+    private Properties properties;
+
+    /**
+     * Environment Properties.
+     */
+    private final Properties environment = new Properties();
+
+    /**
+     * Policy Engine Sources.
+     */
+    private List<? extends TopicSource> sources = new ArrayList<>();
+
+    /**
+     * Policy Engine Sinks.
+     */
+    private List<? extends TopicSink> sinks = new ArrayList<>();
+
+    /**
+     * Policy Engine HTTP Servers.
+     */
+    private List<HttpServletServer> httpServers = new ArrayList<>();
+
+    /**
+     * gson parser to decode configuration requests.
+     */
+    private final Gson decoder = new GsonBuilder().disableHtmlEscaping().create();
+
+
+    @Override
+    public synchronized void boot(String[] cliArgs) {
+
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeBoot(this, cliArgs)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-boot failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        try {
+            globalInitContainer(cliArgs);
+        } catch (final Exception e) {
+            logger.error("{}: cannot init policy-container because of {}", this, e.getMessage(), e);
+        }
+
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterBoot(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-boot failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+    }
+
+    @Override
+    public synchronized void setEnvironment(Properties properties) {
+        this.environment.putAll(PropertyUtil.getInterpolatedProperties(properties));
+    }
+
+    @JsonIgnore
+    @GsonJsonIgnore
+    @Override
+    public synchronized Properties getEnvironment() {
+        return this.environment;
+    }
+
+    @Override
+    public synchronized String getEnvironmentProperty(String envKey) {
+        String value = this.environment.getProperty(envKey);
+        if (value == null) {
+            value = System.getProperty(envKey);
+            if (value == null) {
+                value = System.getenv(envKey);
+            }
+        }
+        return value;
+    }
+
+    @Override
+    public synchronized String setEnvironmentProperty(String envKey, String envValue) {
+        return (String) this.environment.setProperty(envKey, envValue);
+    }
+
+    @Override
+    public final Properties defaultTelemetryConfig() {
+        final Properties defaultConfig = new Properties();
+
+        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES, "TELEMETRY");
+        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
+                + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, TELEMETRY_SERVER_DEFAULT_HOST);
+        defaultConfig.put(
+                PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
+                        + PolicyEndPointProperties.PROPERTY_HTTP_PORT_SUFFIX,
+                "" + Integer.toString(TELEMETRY_SERVER_DEFAULT_PORT));
+        defaultConfig.put(
+                PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
+                        + PolicyEndPointProperties.PROPERTY_HTTP_REST_PACKAGES_SUFFIX,
+                RestManager.class.getPackage().getName());
+        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
+                + PolicyEndPointProperties.PROPERTY_HTTP_SWAGGER_SUFFIX, "" + Boolean.TRUE);
+        defaultConfig.put(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
+                + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX, "" + Boolean.FALSE);
+
+        return defaultConfig;
+    }
+
+    @Override
+    public synchronized void configure(Properties properties) {
+
+        if (properties == null) {
+            logger.warn("No properties provided");
+            throw new IllegalArgumentException("No properties provided");
+        }
+
+        /* policy-engine dispatch pre configure hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeConfigure(this, properties)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-configure failure because of {}", this,
+                        feature.getClass().getName(), e.getMessage(), e);
+            }
+        }
+
+        this.properties = properties;
+
+        try {
+            this.sources = getTopicEndpointManager().addTopicSources(properties);
+            for (final TopicSource source : this.sources) {
+                source.register(this);
+            }
+        } catch (final Exception e) {
+            logger.error("{}: add-sources failed", this, e);
+        }
+
+        try {
+            this.sinks = getTopicEndpointManager().addTopicSinks(properties);
+        } catch (final IllegalArgumentException e) {
+            logger.error("{}: add-sinks failed", this, e);
+        }
+
+        try {
+            this.httpServers = getServletFactory().build(properties);
+            for (HttpServletServer server : this.httpServers) {
+                if (server.isAaf()) {
+                    server.addFilterClass(null, AafTelemetryAuthFilter.class.getName());
+                }
+            }
+        } catch (final IllegalArgumentException e) {
+            logger.error("{}: add-http-servers failed", this, e);
+        }
+
+        /* policy-engine dispatch post configure hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterConfigure(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-configure failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+    }
+
+    @Override
+    public boolean configure(PdpdConfiguration config) {
+
+        if (config == null) {
+            throw new IllegalArgumentException("No configuration provided");
+        }
+
+        final String entity = config.getEntity();
+
+        MDCTransaction mdcTrans = MDCTransaction.newTransaction(config.getRequestId(), "brmsgw");
+        if (this.getSources().size() == 1) {
+            Topic topic = this.getSources().get(0);
+            mdcTrans.setServiceName(topic.getTopic()).setRemoteHost(topic.getServers().toString())
+                    .setTargetEntity(config.getEntity());
+        }
+
+        switch (entity) {
+            case PdpdConfiguration.CONFIG_ENTITY_CONTROLLER:
+                boolean success = controllerConfig(config);
+                mdcTrans.resetSubTransaction().setStatusCode(success).transaction();
+                return success;
+            default:
+                final String msg = "Configuration Entity is not supported: " + entity;
+                mdcTrans.resetSubTransaction().setStatusCode(false).setResponseDescription(msg).flush();
+                logger.warn(LoggerUtil.TRANSACTION_LOG_MARKER_NAME, msg);
+                throw new IllegalArgumentException(msg);
+        }
+    }
+
+    @Override
+    public synchronized PolicyController createPolicyController(String name, Properties properties) {
+
+        String tempName = name;
+        // check if a PROPERTY_CONTROLLER_NAME property is present
+        // if so, override the given name
+
+        final String propertyControllerName = properties.getProperty(DroolsProperties.PROPERTY_CONTROLLER_NAME);
+        if (propertyControllerName != null && !propertyControllerName.isEmpty()) {
+            if (!propertyControllerName.equals(tempName)) {
+                throw new IllegalStateException("Proposed name (" + tempName + ") and properties name ("
+                        + propertyControllerName + ") don't match");
+            }
+            tempName = propertyControllerName;
+        }
+
+        PolicyController controller;
+        for (final PolicyControllerFeatureApi controllerFeature : getControllerProviders()) {
+            try {
+                controller = controllerFeature.beforeCreate(tempName, properties);
+                if (controller != null) {
+                    return controller;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-controller-create failure because of {}", this,
+                        controllerFeature.getClass().getName(), e.getMessage(), e);
+            }
+        }
+
+        controller = getControllerFactory().build(tempName, properties);
+        if (this.isLocked()) {
+            controller.lock();
+        }
+
+        // feature hook
+        for (final PolicyControllerFeatureApi controllerFeature : getControllerProviders()) {
+            try {
+                if (controllerFeature.afterCreate(controller)) {
+                    return controller;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-controller-create failure because of {}", this,
+                        controllerFeature.getClass().getName(), e.getMessage(), e);
+            }
+        }
+
+        return controller;
+    }
+
+
+    @Override
+    public List<PolicyController> updatePolicyControllers(List<ControllerConfiguration> configControllers) {
+
+        final List<PolicyController> policyControllers = new ArrayList<>();
+        if (configControllers == null || configControllers.isEmpty()) {
+            logger.info("No controller configuration provided: {}", configControllers);
+            return policyControllers;
+        }
+
+        for (final ControllerConfiguration configController : configControllers) {
+            MDCTransaction mdcTrans = MDCTransaction.newSubTransaction(null).setTargetEntity(configController.getName())
+                    .setTargetServiceName(configController.getOperation())
+                    .setTargetVirtualEntity("" + configController.getDrools());
+            try {
+                final PolicyController policyController = this.updatePolicyController(configController);
+                policyControllers.add(policyController);
+                mdcTrans.setStatusCode(true).transaction();
+            } catch (final Exception e) {
+                mdcTrans.setStatusCode(false).setResponseCode(e.getClass().getName())
+                        .setResponseDescription(e.getMessage()).flush();
+                logger.error(LoggerUtil.TRANSACTION_LOG_MARKER_NAME,
+                        "{}: cannot update-policy-controllers because of {}", this, e.getMessage(), e);
+            }
+        }
+
+        return policyControllers;
+    }
+
+    @Override
+    public synchronized PolicyController updatePolicyController(ControllerConfiguration configController) {
+
+        if (configController == null) {
+            throw new IllegalArgumentException("No controller configuration has been provided");
+        }
+
+        final String controllerName = configController.getName();
+        if (controllerName == null || controllerName.isEmpty()) {
+            logger.warn("controller-name  must be provided");
+            throw new IllegalArgumentException("No controller configuration has been provided");
+        }
+
+        PolicyController policyController = null;
+        try {
+            final String operation = configController.getOperation();
+            if (operation == null || operation.isEmpty()) {
+                logger.warn("operation must be provided");
+                throw new IllegalArgumentException("operation must be provided");
+            }
+
+            try {
+                policyController = getControllerFactory().get(controllerName);
+            } catch (final IllegalArgumentException e) {
+                // not found
+                logger.warn("Policy Controller " + controllerName + " not found", e);
+            }
+
+            if (policyController == null) {
+
+                if (operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK)
+                        || operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK)) {
+                    throw new IllegalArgumentException(controllerName + " is not available for operation " + operation);
+                }
+
+                /* Recovery case */
+
+                logger.warn("controller {} does not exist. Attempting recovery from disk", controllerName);
+
+                final Properties controllerProperties =
+                        getPersistenceManager().getControllerProperties(controllerName);
+
+                /*
+                 * returned properties cannot be null (per implementation) assert (properties !=
+                 * null)
+                 */
+
+                if (controllerProperties == null) {
+                    throw new IllegalArgumentException(controllerName + " is invalid");
+                }
+
+                logger.warn("controller being recovered. {} Reset controller's bad maven coordinates to brainless",
+                        controllerName);
+
+                /*
+                 * try to bring up bad controller in brainless mode, after having it working, apply
+                 * the new create/update operation.
+                 */
+                controllerProperties.setProperty(DroolsProperties.RULES_GROUPID, DroolsController.NO_GROUP_ID);
+                controllerProperties.setProperty(DroolsProperties.RULES_ARTIFACTID, DroolsController.NO_ARTIFACT_ID);
+                controllerProperties.setProperty(DroolsProperties.RULES_VERSION, DroolsController.NO_VERSION);
+
+                policyController = getPolicyEngine().createPolicyController(controllerName, controllerProperties);
+
+                /* fall through to do brain update operation */
+            }
+
+            switch (operation) {
+                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_CREATE:
+                    getControllerFactory().patch(policyController, configController.getDrools());
+                    break;
+                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UPDATE:
+                    policyController.unlock();
+                    getControllerFactory().patch(policyController, configController.getDrools());
+                    break;
+                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK:
+                    policyController.lock();
+                    break;
+                case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK:
+                    policyController.unlock();
+                    break;
+                default:
+                    final String msg = "Controller Operation Configuration is not supported: " + operation + " for "
+                            + controllerName;
+                    logger.warn(msg);
+                    throw new IllegalArgumentException(msg);
+            }
+
+            return policyController;
+        } catch (final Exception e) {
+            logger.error("{}: cannot update-policy-controller because of {}", this, e.getMessage(), e);
+            throw e;
+        } catch (final LinkageError e) {
+            logger.error("{}: cannot update-policy-controllers (rules) because of {}", this, e.getMessage(), e);
+            throw new IllegalStateException(e);
+        }
+    }
+
+    @Override
+    public synchronized boolean start() {
+
+        /* policy-engine dispatch pre start hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeStart(this)) {
+                    return true;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-start failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        boolean success = true;
+        if (this.locked) {
+            throw new IllegalStateException(ENGINE_LOCKED_MSG);
+        }
+
+        this.alive = true;
+
+        /* Start Policy Engine exclusively-owned (unmanaged) http servers */
+
+        for (final HttpServletServer httpServer : this.httpServers) {
+            try {
+                if (!httpServer.waitedStart(10 * 1000L)) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start http-server {} because of {}", this, httpServer, e.getMessage(), e);
+            }
+        }
+
+        /* Start Policy Engine exclusively-owned (unmanaged) sources */
+
+        for (final TopicSource source : this.sources) {
+            try {
+                if (!source.start()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start topic-source {} because of {}", this, source, e.getMessage(), e);
+            }
+        }
+
+        /* Start Policy Engine owned (unmanaged) sinks */
+
+        for (final TopicSink sink : this.sinks) {
+            try {
+                if (!sink.start()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start topic-sink {} because of {}", this, sink, e.getMessage(), e);
+            }
+        }
+
+        /* Start Policy Controllers */
+
+        final List<PolicyController> controllers = getControllerFactory().inventory();
+        for (final PolicyController controller : controllers) {
+            try {
+                if (!controller.start()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start policy-controller {} because of {}", this, controller, e.getMessage(),
+                        e);
+                success = false;
+            }
+        }
+
+        /* Start managed Topic Endpoints */
+
+        try {
+            if (!getTopicEndpointManager().start()) {
+                success = false;
+            }
+        } catch (final IllegalStateException e) {
+            logger.warn("{}: Topic Endpoint Manager is in an invalid state because of {}", this, e.getMessage(), e);
+        }
+
+
+        // Start the JMX listener
+
+        startPdpJmxListener();
+
+        /* policy-engine dispatch after start hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterStart(this)) {
+                    return success;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-start failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        return success;
+    }
+
+    @Override
+    public synchronized boolean stop() {
+
+        /* policy-engine dispatch pre stop hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeStop(this)) {
+                    return true;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-stop failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        /* stop regardless of the lock state */
+
+        boolean success = true;
+        if (!this.alive) {
+            return true;
+        }
+
+        this.alive = false;
+
+        final List<PolicyController> controllers = getControllerFactory().inventory();
+        for (final PolicyController controller : controllers) {
+            try {
+                if (!controller.stop()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot stop policy-controller {} because of {}", this, controller, e.getMessage(), e);
+                success = false;
+            }
+        }
+
+        /* Stop Policy Engine owned (unmanaged) sources */
+        for (final TopicSource source : this.sources) {
+            try {
+                if (!source.stop()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start topic-source {} because of {}", this, source, e.getMessage(), e);
+            }
+        }
+
+        /* Stop Policy Engine owned (unmanaged) sinks */
+        for (final TopicSink sink : this.sinks) {
+            try {
+                if (!sink.stop()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start topic-sink {} because of {}", this, sink, e.getMessage(), e);
+            }
+        }
+
+        /* stop all managed topics sources and sinks */
+        if (!getTopicEndpointManager().stop()) {
+            success = false;
+        }
+
+        /* stop all unmanaged http servers */
+        for (final HttpServletServer httpServer : this.httpServers) {
+            try {
+                if (!httpServer.stop()) {
+                    success = false;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: cannot start http-server {} because of {}", this, httpServer, e.getMessage(), e);
+            }
+        }
+
+        // stop JMX?
+
+        /* policy-engine dispatch pre stop hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterStop(this)) {
+                    return success;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-stop failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        return success;
+    }
+
+    @Override
+    public synchronized void shutdown() {
+
+        /*
+         * shutdown activity even when underlying subcomponents (features, controllers, topics, etc
+         * ..) are stuck
+         */
+
+        Thread exitThread = makeShutdownThread();
+        exitThread.start();
+
+        /* policy-engine dispatch pre shutdown hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeShutdown(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-shutdown failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        this.alive = false;
+
+        /* Shutdown Policy Engine owned (unmanaged) sources */
+        for (final TopicSource source : this.sources) {
+            try {
+                source.shutdown();
+            } catch (final Exception e) {
+                logger.error("{}: cannot shutdown topic-source {} because of {}", this, source, e.getMessage(), e);
+            }
+        }
+
+        /* Shutdown Policy Engine owned (unmanaged) sinks */
+        for (final TopicSink sink : this.sinks) {
+            try {
+                sink.shutdown();
+            } catch (final Exception e) {
+                logger.error("{}: cannot shutdown topic-sink {} because of {}", this, sink, e.getMessage(), e);
+            }
+        }
+
+        /* Shutdown managed resources */
+        getControllerFactory().shutdown();
+        getTopicEndpointManager().shutdown();
+        getServletFactory().destroy();
+
+        // Stop the JMX listener
+
+        stopPdpJmxListener();
+
+        /* policy-engine dispatch post shutdown hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterShutdown(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-shutdown failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        exitThread.interrupt();
+        logger.info("{}: normal termination", this);
+    }
+
+    /**
+     * Thread that shuts down http servers.
+     */
+    protected class ShutdownThread extends Thread {
+        private static final long SHUTDOWN_MAX_GRACE_TIME = 30000L;
+
+        @Override
+        public void run() {
+            try {
+                doSleep(SHUTDOWN_MAX_GRACE_TIME);
+                logger.warn("{}: abnormal termination - shutdown graceful time period expiration",
+                        PolicyEngineManager.this);
+            } catch (final InterruptedException e) {
+                /* courtesy to shutdown() to allow it to return */
+                synchronized (PolicyEngineManager.this) {
+                }
+                logger.info("{}: finishing a graceful shutdown ", PolicyEngineManager.this, e);
+            } finally {
+                /*
+                 * shut down the Policy Engine owned http servers as the very last thing
+                 */
+                for (final HttpServletServer httpServer : PolicyEngineManager.this.getHttpServers()) {
+                    try {
+                        httpServer.shutdown();
+                    } catch (final Exception e) {
+                        logger.error("{}: cannot shutdown http-server {} because of {}", PolicyEngineManager.this,
+                                httpServer, e.getMessage(), e);
+                    }
+                }
+
+                logger.info("{}: exit", PolicyEngineManager.this);
+                doExit(0);
+            }
+        }
+
+        // these may be overridden by junit tests
+
+        protected void doSleep(long sleepMs) throws InterruptedException {
+            Thread.sleep(sleepMs);
+        }
+
+        protected void doExit(int code) {
+            System.exit(code);
+        }
+    }
+
+    @Override
+    public boolean isAlive() {
+        return this.alive;
+    }
+
+    @Override
+    public synchronized boolean lock() {
+
+        /* policy-engine dispatch pre lock hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeLock(this)) {
+                    return true;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-lock failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        if (this.locked) {
+            return true;
+        }
+
+        this.locked = true;
+
+        boolean success = true;
+        final List<PolicyController> controllers = getControllerFactory().inventory();
+        for (final PolicyController controller : controllers) {
+            try {
+                success = controller.lock() && success;
+            } catch (final Exception e) {
+                logger.error("{}: cannot lock policy-controller {} because of {}", this, controller, e.getMessage(), e);
+                success = false;
+            }
+        }
+
+        success = getTopicEndpointManager().lock() && success;
+
+        /* policy-engine dispatch post lock hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterLock(this)) {
+                    return success;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-lock failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        return success;
+    }
+
+    @Override
+    public synchronized boolean unlock() {
+
+        /* policy-engine dispatch pre unlock hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeUnlock(this)) {
+                    return true;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-unlock failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        if (!this.locked) {
+            return true;
+        }
+
+        this.locked = false;
+
+        boolean success = true;
+        final List<PolicyController> controllers = getControllerFactory().inventory();
+        for (final PolicyController controller : controllers) {
+            try {
+                success = controller.unlock() && success;
+            } catch (final Exception e) {
+                logger.error("{}: cannot unlock policy-controller {} because of {}", this, controller, e.getMessage(),
+                        e);
+                success = false;
+            }
+        }
+
+        success = getTopicEndpointManager().unlock() && success;
+
+        /* policy-engine dispatch after unlock hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterUnlock(this)) {
+                    return success;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-unlock failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        return success;
+    }
+
+    @Override
+    public boolean isLocked() {
+        return this.locked;
+    }
+
+    @Override
+    public void removePolicyController(String name) {
+        getControllerFactory().destroy(name);
+    }
+
+    @Override
+    public void removePolicyController(PolicyController controller) {
+        getControllerFactory().destroy(controller);
+    }
+
+    @JsonIgnore
+    @GsonJsonIgnore
+    @Override
+    public List<PolicyController> getPolicyControllers() {
+        return getControllerFactory().inventory();
+    }
+
+    @JsonProperty("controllers")
+    @GsonJsonProperty("controllers")
+    @Override
+    public List<String> getPolicyControllerIds() {
+        final List<String> controllerNames = new ArrayList<>();
+        for (final PolicyController controller : getControllerFactory().inventory()) {
+            controllerNames.add(controller.getName());
+        }
+        return controllerNames;
+    }
+
+    @Override
+    @JsonIgnore
+    @GsonJsonIgnore
+    public Properties getProperties() {
+        return this.properties;
+    }
+
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public List<TopicSource> getSources() {
+        return (List<TopicSource>) this.sources;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public List<TopicSink> getSinks() {
+        return (List<TopicSink>) this.sinks;
+    }
+
+    @Override
+    public List<HttpServletServer> getHttpServers() {
+        return this.httpServers;
+    }
+
+    @Override
+    public List<String> getFeatures() {
+        final List<String> features = new ArrayList<>();
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            features.add(feature.getName());
+        }
+        return features;
+    }
+
+    @JsonIgnore
+    @GsonJsonIgnore
+    @Override
+    public List<PolicyEngineFeatureApi> getFeatureProviders() {
+        return getEngineProviders();
+    }
+
+    @Override
+    public PolicyEngineFeatureApi getFeatureProvider(String featureName) {
+        if (featureName == null || featureName.isEmpty()) {
+            throw new IllegalArgumentException("A feature name must be provided");
+        }
+
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            if (feature.getName().equals(featureName)) {
+                return feature;
+            }
+        }
+
+        throw new IllegalArgumentException("Invalid Feature Name: " + featureName);
+    }
+
+    @Override
+    public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
+        /* policy-engine pre topic event hook */
+        for (final PolicyEngineFeatureApi feature : getFeatureProviders()) {
+            try {
+                if (feature.beforeOnTopicEvent(this, commType, topic, event)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} beforeOnTopicEvent failure on event {} because of {}", this,
+                        feature.getClass().getName(), event, e.getMessage(), e);
+            }
+        }
+
+        /* configuration request */
+        PdpdConfiguration configuration = null;
+        try {
+            configuration = this.decoder.fromJson(event, PdpdConfiguration.class);
+            this.configure(configuration);
+        } catch (final Exception e) {
+            logger.error("{}: configuration-error due to {} because of {}", this, event, e.getMessage(), e);
+        }
+
+        /* policy-engine after topic event hook */
+        for (final PolicyEngineFeatureApi feature : getFeatureProviders()) {
+            try {
+                if (feature.afterOnTopicEvent(this, configuration, commType, topic, event)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} afterOnTopicEvent failure on event {} because of {}", this,
+                        feature.getClass().getName(), event, e.getMessage(), e);
+            }
+        }
+    }
+
+    @Override
+    public boolean deliver(String topic, Object event) {
+
+        /*
+         * Note this entry point is usually from the DRL
+         */
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        if (event == null) {
+            throw new IllegalArgumentException(INVALID_EVENT_MSG);
+        }
+
+        if (!this.isAlive()) {
+            throw new IllegalStateException(ENGINE_STOPPED_MSG);
+        }
+
+        if (this.isLocked()) {
+            throw new IllegalStateException(ENGINE_LOCKED_MSG);
+        }
+
+        final List<? extends TopicSink> topicSinks = getTopicEndpointManager().getTopicSinks(topic);
+        if (topicSinks == null || topicSinks.size() != 1) {
+            throw new IllegalStateException("Cannot ensure correct delivery on topic " + topic + ": " + topicSinks);
+        }
+
+        return this.deliver(topicSinks.get(0).getTopicCommInfrastructure(), topic, event);
+    }
+
+    @Override
+    public boolean deliver(String busType, String topic, Object event) {
+
+        /*
+         * Note this entry point is usually from the DRL (one of the reasons busType is String.
+         */
+
+        if (busType == null || busType.isEmpty()) {
+            throw new IllegalArgumentException("Invalid Communication Infrastructure");
+        }
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        if (event == null) {
+            throw new IllegalArgumentException(INVALID_EVENT_MSG);
+        }
+
+        boolean valid = false;
+        for (final Topic.CommInfrastructure comm : Topic.CommInfrastructure.values()) {
+            if (comm.name().equals(busType)) {
+                valid = true;
+            }
+        }
+
+        if (!valid) {
+            throw new IllegalArgumentException("Invalid Communication Infrastructure: " + busType);
+        }
+
+
+        if (!this.isAlive()) {
+            throw new IllegalStateException(ENGINE_STOPPED_MSG);
+        }
+
+        if (this.isLocked()) {
+            throw new IllegalStateException(ENGINE_LOCKED_MSG);
+        }
+
+
+        return this.deliver(Topic.CommInfrastructure.valueOf(busType), topic, event);
+    }
+
+    @Override
+    public boolean deliver(Topic.CommInfrastructure busType, String topic, Object event) {
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        if (event == null) {
+            throw new IllegalArgumentException(INVALID_EVENT_MSG);
+        }
+
+        if (!this.isAlive()) {
+            throw new IllegalStateException(ENGINE_STOPPED_MSG);
+        }
+
+        if (this.isLocked()) {
+            throw new IllegalStateException(ENGINE_LOCKED_MSG);
+        }
+
+        /*
+         * Try to send through the controller, this is the preferred way, since it may want to apply
+         * additional processing
+         */
+        try {
+            final DroolsController droolsController = getProtocolCoder().getDroolsController(topic, event);
+            final PolicyController controller = getControllerFactory().get(droolsController);
+            if (controller != null) {
+                return controller.deliver(busType, topic, event);
+            }
+        } catch (final Exception e) {
+            logger.warn("{}: cannot find policy-controller to deliver {} over {}:{} because of {}", this, event,
+                    busType, topic, e.getMessage(), e);
+
+            /* continue (try without routing through the controller) */
+        }
+
+        /*
+         * cannot route through the controller, send directly through the topic sink
+         */
+        try {
+            final String json = getProtocolCoder().encode(topic, event);
+            return this.deliver(busType, topic, json);
+
+        } catch (final Exception e) {
+            logger.warn("{}: cannot deliver {} over {}:{} because of {}", this, event, busType, topic, e.getMessage(),
+                    e);
+            throw e;
+        }
+    }
+
+    @Override
+    public boolean deliver(Topic.CommInfrastructure busType, String topic, String event) {
+
+        if (topic == null || topic.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_TOPIC_MSG);
+        }
+
+        if (event == null || event.isEmpty()) {
+            throw new IllegalArgumentException(INVALID_EVENT_MSG);
+        }
+
+        if (!this.isAlive()) {
+            throw new IllegalStateException(ENGINE_STOPPED_MSG);
+        }
+
+        if (this.isLocked()) {
+            throw new IllegalStateException(ENGINE_LOCKED_MSG);
+        }
+
+        try {
+            final TopicSink sink = getTopicEndpointManager().getTopicSink(busType, topic);
+
+            if (sink == null) {
+                throw new IllegalStateException("Inconsistent State: " + this);
+            }
+
+            return sink.send(event);
+
+        } catch (final Exception e) {
+            logger.warn("{}: cannot deliver {} over {}:{} because of {}", this, event, busType, topic, e.getMessage(),
+                    e);
+            throw e;
+        }
+    }
+
+    @Override
+    public synchronized void activate() {
+
+        /* policy-engine dispatch pre activate hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeActivate(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-activate failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+
+        // activate 'policy-management'
+        for (final PolicyController policyController : this.getPolicyControllers()) {
+            try {
+                policyController.unlock();
+                policyController.start();
+            } catch (final Exception e) {
+                logger.error("{}: cannot activate of policy-controller {} because of {}", this, policyController,
+                        e.getMessage(), e);
+            } catch (final LinkageError e) {
+                logger.error("{}: cannot activate (rules compilation) of policy-controller {} because of {}", this,
+                        policyController, e.getMessage(), e);
+            }
+        }
+
+        this.unlock();
+
+        /* policy-engine dispatch post activate hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterActivate(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-activate failure because of {}", this, feature.getClass().getName(),
+                        e.getMessage(), e);
+            }
+        }
+    }
+
+    @Override
+    public synchronized void deactivate() {
+
+        /* policy-engine dispatch pre deactivate hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.beforeDeactivate(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} before-deactivate failure because of {}", this,
+                        feature.getClass().getName(), e.getMessage(), e);
+            }
+        }
+
+        this.lock();
+
+        for (final PolicyController policyController : this.getPolicyControllers()) {
+            try {
+                policyController.stop();
+            } catch (final Exception | LinkageError e) {
+                logger.error("{}: cannot deactivate (stop) policy-controller {} because of {}", this, policyController,
+                        e.getMessage(), e);
+            }
+        }
+
+        /* policy-engine dispatch post deactivate hook */
+        for (final PolicyEngineFeatureApi feature : getEngineProviders()) {
+            try {
+                if (feature.afterDeactivate(this)) {
+                    return;
+                }
+            } catch (final Exception e) {
+                logger.error("{}: feature {} after-deactivate failure because of {}", this,
+                        feature.getClass().getName(), e.getMessage(), e);
+            }
+        }
+    }
+
+    private boolean controllerConfig(PdpdConfiguration config) {
+        /* only this one supported for now */
+        final List<ControllerConfiguration> configControllers = config.getControllers();
+        if (configControllers == null || configControllers.isEmpty()) {
+            logger.info("No controller configuration provided: {}", config);
+            return false;
+        }
+
+        final List<PolicyController> policyControllers = this.updatePolicyControllers(config.getControllers());
+        boolean success = false;
+        if (!(policyControllers == null || policyControllers.isEmpty())
+                && (policyControllers.size() == configControllers.size())) {
+            success = true;
+        }
+        return success;
+    }
+
+    @Override
+    public String toString() {
+        return "PolicyEngineManager [alive=" + this.alive + ", locked=" + this.locked + "]";
+    }
+
+    // these methods may be overridden by junit tests
+
+    protected List<PolicyEngineFeatureApi> getEngineProviders() {
+        return PolicyEngineFeatureApi.providers.getList();
+    }
+
+    protected List<PolicyControllerFeatureApi> getControllerProviders() {
+        return PolicyControllerFeatureApi.providers.getList();
+    }
+
+    protected void globalInitContainer(String[] cliArgs) {
+        PolicyContainer.globalInit(cliArgs);
+    }
+
+    protected TopicEndpoint getTopicEndpointManager() {
+        return TopicEndpointManager.getManager();
+    }
+
+    protected HttpServletServerFactory getServletFactory() {
+        return HttpServletServerFactoryInstance.getServerFactory();
+    }
+
+    protected PolicyControllerFactory getControllerFactory() {
+        return PolicyController.factory;
+    }
+
+    protected void startPdpJmxListener() {
+        PdpJmxListener.start();
+    }
+
+    protected void stopPdpJmxListener() {
+        PdpJmxListener.stop();
+    }
+
+    protected Thread makeShutdownThread() {
+        return new ShutdownThread();
+    }
+
+    protected EventProtocolCoder getProtocolCoder() {
+        return EventProtocolCoder.manager;
+    }
+
+    protected SystemPersistence getPersistenceManager() {
+        return SystemPersistence.manager;
+    }
+
+    protected PolicyEngine getPolicyEngine() {
+        return PolicyEngine.manager;
+    }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java b/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java
index bdcb19ad..51280eb3 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java
@@ -36,7 +36,7 @@ import org.onap.policy.common.endpoints.event.comm.TopicSource;
 import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
 import org.onap.policy.drools.controller.DroolsController;
 import org.onap.policy.drools.controller.DroolsControllerFactory;
-import org.onap.policy.drools.features.PolicyControllerFeatureAPI;
+import org.onap.policy.drools.features.PolicyControllerFeatureApi;
 import org.onap.policy.drools.persistence.SystemPersistence;
 import org.onap.policy.drools.properties.DroolsProperties;
 import org.onap.policy.drools.protocol.configuration.DroolsConfiguration;
@@ -268,7 +268,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
     public boolean start() {
         logger.info("{}: start", this);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeStart(this)) {
                     return true;
@@ -307,7 +307,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
             }
         }
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterStart(this)) {
                     return true;
@@ -328,7 +328,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
     public boolean stop() {
         logger.info("{}: stop", this);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeStop(this)) {
                     return true;
@@ -357,7 +357,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         boolean success = this.droolsController.stop();
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterStop(this)) {
                     return true;
@@ -378,7 +378,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
     public void shutdown() {
         logger.info("{}: shutdown", this);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeShutdown(this)) {
                     return;
@@ -393,7 +393,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         getDroolsFactory().shutdown(this.droolsController);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterShutdown(this)) {
                     return;
@@ -412,7 +412,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
     public void halt() {
         logger.info("{}: halt", this);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeHalt(this)) {
                     return;
@@ -427,7 +427,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
         getDroolsFactory().destroy(this.droolsController);
         getPersistenceManager().deleteController(this.name);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterHalt(this)) {
                     return;
@@ -450,7 +450,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
             return;
         }
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeOffer(this, commType, topic, event)) {
                     return;
@@ -463,7 +463,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         boolean success = this.droolsController.offer(topic, event);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterOffer(this, commType, topic, event, success)) {
                     return;
@@ -483,7 +483,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
             return true;
         }
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeOffer(this, event)) {
                     return true;
@@ -496,7 +496,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         boolean success = this.droolsController.offer(event);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterOffer(this, event, success)) {
                     return success;
@@ -522,7 +522,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         logger.debug("{}: deliver event to {}:{}: {}", this, commType, topic, event);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeDeliver(this, commType, topic, event)) {
                     return true;
@@ -557,7 +557,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         boolean success = this.droolsController.deliver(this.topic2Sinks.get(topic), event);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterDeliver(this, commType, topic, event, success)) {
                     return success;
@@ -586,7 +586,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
     public boolean lock() {
         logger.info("{}: lock", this);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeLock(this)) {
                     return true;
@@ -610,7 +610,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         boolean success = this.droolsController.lock();
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterLock(this)) {
                     return true;
@@ -632,7 +632,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         logger.info("{}: unlock", this);
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.beforeUnlock(this)) {
                     return true;
@@ -653,7 +653,7 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
 
         boolean success = this.droolsController.unlock();
 
-        for (PolicyControllerFeatureAPI feature : getProviders()) {
+        for (PolicyControllerFeatureApi feature : getProviders()) {
             try {
                 if (feature.afterUnlock(this)) {
                     return true;
@@ -730,8 +730,8 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
         return DroolsController.factory;
     }
 
-    protected List<PolicyControllerFeatureAPI> getProviders() {
-        return PolicyControllerFeatureAPI.providers.getList();
+    protected List<PolicyControllerFeatureApi> getProviders() {
+        return PolicyControllerFeatureApi.providers.getList();
     }
 }