Initial TCA commit into DCAEGEN2

Change-Id: I5f7f8af2a00419854cafc34b79277df60d1af095
Issue-ID: DCAEGEN2-53
Signed-off-by: an4828 <nekrassov@att.com>

36 files changed, 2737 insertions, 0 deletions

diff --git a/dcae-analytics-common/pom.xml b/dcae-analytics-common/pom.xml
new file mode 100644
index 0000000..bd5f808
--- /dev/null
+++ b/dcae-analytics-common/pom.xml
@@ -0,0 +1,115 @@
+<!--
+  ~ ===============================LICENSE_START======================================
+  ~  dcae-analytics
+  ~ ================================================================================
+  ~    Copyright © 2017 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===========================================
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.openecomp.dcae.apod.analytics</groupId>
+        <artifactId>dcae-analytics</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>dcae-analytics-common</artifactId>
+    <packaging>jar</packaging>
+
+    <!-- THIS MODULE CONTAINS CODE COMMON FOR ALL DCAE ANALYTICS MODULES -->
+    <name>DCAE Analytics Common</name>
+    <description>Contains Components common to all DCAE Analytics Modules</description>
+
+
+    <properties>
+        <main.basedir>${project.parent.basedir}</main.basedir>
+    </properties>
+
+    <dependencies>
+
+        <!-- DCAE PROJECT DEPENDENCIES -->
+        <dependency>
+            <groupId>org.openecomp.dcae.apod.analytics</groupId>
+            <artifactId>dcae-analytics-model</artifactId>
+            <version>2.0.0-SNAPSHOT</version>
+        </dependency>
+
+        <!-- LOGGING -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+        </dependency>
+
+        <!-- UTILITIES -->
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>jsr305</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>annotations</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+
+        <!-- DEPENDENCY INJECTION -->
+        <dependency>
+            <groupId>com.google.inject</groupId>
+            <artifactId>guice</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-assistedinject</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-multibindings</artifactId>
+        </dependency>
+
+
+        <!-- TEST DEPENDENCIES -->
+        <dependency>
+            <groupId>org.openecomp.dcae.apod.analytics</groupId>
+            <artifactId>dcae-analytics-test</artifactId>
+            <version>2.0.0-SNAPSHOT</version>
+            <scope>test</scope>
+        </dependency>
+
+
+    </dependencies>
+
+</project>
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/AnalyticsConstants.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/AnalyticsConstants.java
new file mode 100644
index 0000000..ec6a9b5
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/AnalyticsConstants.java
@@ -0,0 +1,148 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common;
+
+/**
+ * Contains static variable for all DCAE Components.
+ *
+ * @author Rajiv Singla . Creation Date: 10/21/2016.
+ */
+public abstract class AnalyticsConstants {
+
+    // ===============  Common Constants for all DCAE Analytics Modules ==================== //
+
+
+    // ===============  DMaaP Constants for all DCAE Analytics Modules ==================== //
+
+    // DMaaP Config Constants
+    public static final Integer DEFAULT_PORT_NUMBER = 80; // default port number
+    public static final String DEFAULT_USER_NAME = null; // default to no username
+    public static final String DEFAULT_USER_PASSWORD = null; // defaults to no userPassword
+    public static final String DEFAULT_PROTOCOL = "https"; // defaults to using https protocol
+    public static final String DEFAULT_CONTENT_TYPE = "application/json";  // defaults to json content type
+
+    public static final String DMAAP_URI_PATH_PREFIX = "/events/";
+    public static final String DMAAP_GROUP_PREFIX = "OpenDCAE-";
+
+    // ================== DMaaP MR Constants ============================== //
+    // Publisher Constants
+    public static final int DEFAULT_PUBLISHER_MAX_BATCH_SIZE = 1; // disable batching by default
+    public static final int DEFAULT_PUBLISHER_MAX_RECOVERY_QUEUE_SIZE = 100000; // default recovery messages size
+    public static final int PUBLISHER_MAX_FLUSH_RETRIES_ON_CLOSE = 5; // number of retries when flushing messages
+    public static final int PUBLISHER_DELAY_MS_ON_RETRIES_ON_CLOSE = 5000; // delay in retrying for flushing messages
+    // Subscriber Constants
+    public static final int DEFAULT_SUBSCRIBER_TIMEOUT_MS = -1;
+    public static final int DEFAULT_SUBSCRIBER_MESSAGE_LIMIT = -1;
+    public static final String DEFAULT_SUBSCRIBER_GROUP_PREFIX = DMAAP_GROUP_PREFIX + "DMaaPSub-";
+    public static final String SUBSCRIBER_TIMEOUT_QUERY_PARAM_NAME = "timeout";
+    public static final String SUBSCRIBER_MSG_LIMIT_QUERY_PARAM_NAME = "limit";
+
+
+    // ================== TCA Constants ============================== //
+
+    // Default subscriber polling interval
+    public static final Integer TCA_DEFAULT_SUBSCRIBER_POLLING_INTERVAL_MS = 30000;
+
+    // Default publisher polling interval
+    public static final Integer TCA_DEFAULT_PUBLISHER_POLLING_INTERVAL_MS = 30000;
+
+    // Default publisher max batch queue size determines the minimum number of messages that need to be published in
+    // batch mode
+    public static final Integer TCA_DEFAULT_PUBLISHER_MAX_BATCH_QUEUE_SIZE = 10;
+
+    // Default publisher max recovery queue size determines max number of messages can be cached in memory
+    // in case publisher is not responding
+    public static final Integer TCA_DEFAULT_PUBLISHER_MAX_RECOVERY_QUEUE_SIZE = 100000;
+
+    // Default interval during which TCA DMaaP Worker checks if scheduler is shut down
+    public static final Integer TCA_DEFAULT_WORKER_SHUTDOWN_CHECK_INTERVAL_MS = 5000;
+
+    // ***** TCA Quartz Scheduler Settings ******//
+
+    public static final String TCA_QUARTZ_SUBSCRIBER_PROPERTIES_FILE_NAME = "quartz-subscriber.properties";
+
+    public static final String TCA_QUARTZ_PUBLISHER_PROPERTIES_FILE_NAME = "quartz-publisher.properties";
+
+    // TCA Quartz Group Settings
+    public static final String TCA_QUARTZ_GROUP_NAME = "TCAQuartzGroup";
+    // TCA Quartz Trigger Settings
+    public static final String TCA_DMAAP_SUBSCRIBER_QUARTZ_TRIGGER_NAME = "TCADMaaPSubscriberTrigger";
+    public static final String TCA_DMAAP_PUBLISHER_QUARTZ_TRIGGER_NAME = "TCADMaaPPublisherTrigger";
+
+    // TCA Quartz DMaaP Subscriber Job Settings
+    public static final String TCA_DMAAP_SUBSCRIBER_QUARTZ_JOB_NAME = "TCADMaaPSubscriberJob";
+    public static final String TCA_DMAAP_PUBLISHER_QUARTZ_JOB_NAME = "TCADMaaPPublisherJob";
+
+    // TCA Quartz Publisher and Subscriber Job Parameters
+    // Common Job parameters for both Publisher and Subscriber
+    public static final String WORKER_CONTEXT_VARIABLE_NAME = "WORKER_CONTEXT";
+    public static final String DMAAP_METRICS_VARIABLE_NAME = "DMAAP_METRICS";
+    // TCA Quartz DMaaP Subscriber Job Parameter Settings
+    public static final String CDAP_STREAM_VARIABLE_NAME = "CDAP_STREAM_NAME";
+    public static final String DMAAP_SUBSCRIBER_VARIABLE_NAME = "DMAAP_SUBSCRIBER";
+    // TCA Quartz DMaaP Publisher Job Parameter Settings
+    public static final String CDAP_ALERTS_TABLE_VARIABLE_NAME = "CDAP_TCA_ALERTS_TABLE_NAME";
+    public static final String DMAAP_PUBLISHER_VARIABLE_NAME = "DMAAP_PUBLISHER";
+
+    // TCA VES Response Constants
+    public static final String TCA_VES_RESPONSE_TARGET_TYPE = "VNF";
+    public static final String TCA_VES_RESPONSE_TARGET = "generic-vnf.vnf-id";
+    public static final String TCA_VES_RESPONSE_FROM = "DCAE";
+    public static final String TCA_VES_RESPONSE_CLOSED_LOOP_EVENT_STATUS = "ONSET";
+
+    // TCA VES Response Constants for vLoadBalancer
+    public static final String LOAD_BALANCER_FUNCTIONAL_ROLE = "vLoadBalancer";
+    public static final String LOAD_BALANCER_TCA_VES_RESPONSE_TARGET_TYPE = "VM";
+    public static final String LOAD_BALANCER_TCA_VES_RESPONSE_TARGET = "vserver.vserver-name";
+
+    // TCA VES Message Router Partition Key
+    public static final String TCA_VES_MESSAGE_ROUTER_PARTITION_KEY = "VESMessageHash";
+
+    /**
+     * Default Number of instances for Threshold violation calculator flowlet
+     */
+    public static final Integer TCA_DEFAULT_THRESHOLD_CALCULATOR_FLOWLET_INSTANCES = 2;
+
+    /**
+     * Default TTL for TCA VES Message status table which contain status of all messages processed by TCA
+     */
+    public static final Integer TCA_DEFAULT_VES_MESSAGE_STATUS_TTL_TABLE = 60 * 60 * 24 * 10; // 10 Days
+
+    /**
+     * Default TTL for TCA VES Alerts table which contains alerts that can be send to downstream systems
+     */
+    public static final Integer TCA_DEFAULT_VES_ALERTS_TTL_TABLE = 60 * 60 * 24 * 20; // 20 Days
+
+
+    // TCA Policy Runtime Argument Paths
+    public static final String TCA_POLICY_DELIMITER = ".";
+    public static final String TCA_POLICY_DOMAIN_PATH = "domain";
+    public static final String TCA_POLICY_METRICS_PER_FUNCTIONAL_ROLE_PATH = "configuration.metricsPerFunctionalRole";
+    public static final String TCA_POLICY_THRESHOLDS_PATH_POSTFIX = "thresholds";
+
+    public static final String TCA_POLICY_JSON_KEY = "tca_policy";
+    public static final String TCA_POLICY_STRING_DELIMITER = "'";
+
+    private AnalyticsConstants() {
+
+    }
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/exception/DCAEAnalyticsRuntimeException.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/exception/DCAEAnalyticsRuntimeException.java
new file mode 100644
index 0000000..4b515ab
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/exception/DCAEAnalyticsRuntimeException.java
@@ -0,0 +1,54 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.exception;
+
+import org.slf4j.Logger;
+
+/**
+ * Runtime Exception for DCAE Analytics Exceptions. All DCAE Analytics
+ * runtime Exceptions must be wrapped inside this exception
+ * <p>
+ * @author Rajiv Singla . Creation Date: 10/5/2016.
+ */
+public class DCAEAnalyticsRuntimeException extends RuntimeException {
+
+
+    /**
+     * @param message - Error Message for Exception
+     * @param cause   - Actual Exception which caused {@link DCAEAnalyticsRuntimeException}
+     */
+    public DCAEAnalyticsRuntimeException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Creates and logs the DCAE Runtime Exception to given logger
+     *
+     * @param message - Error Message for Exception and logging
+     * @param logger  - Logger used for logging exception
+     * @param cause   - Actual exception which caused {@link DCAEAnalyticsRuntimeException}
+     */
+    public DCAEAnalyticsRuntimeException(String message, Logger logger, Throwable cause) {
+        super(message, cause);
+        logger.error(message);
+    }
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/exception/MessageProcessingException.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/exception/MessageProcessingException.java
new file mode 100644
index 0000000..825f94a
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/exception/MessageProcessingException.java
@@ -0,0 +1,51 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.exception;
+
+import org.openecomp.dcae.apod.analytics.common.service.processor.MessageProcessor;
+import org.slf4j.Logger;
+
+/**
+ * Runtime Exception caused due to {@link MessageProcessor} failure while processing a message.
+ *
+ * @author Rajiv Singla . Creation Date: 11/7/2016.
+ */
+public class MessageProcessingException extends DCAEAnalyticsRuntimeException {
+
+    /**
+     * @param message - Error Message for Exception
+     * @param cause   - Actual Exception which caused {@link DCAEAnalyticsRuntimeException}
+     */
+    public MessageProcessingException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Creates and logs the DCAE Runtime Exception to given logger
+     *
+     * @param message - Error Message for Exception and logging
+     * @param logger  - Logger used for logging exception
+     * @param cause   - Actual exception which caused {@link DCAEAnalyticsRuntimeException}
+     */
+    public MessageProcessingException(String message, Logger logger, Throwable cause) {
+        super(message, logger, cause);
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/filter/GenericJsonMessageFilter.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/filter/GenericJsonMessageFilter.java
new file mode 100644
index 0000000..8583b9c
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/filter/GenericJsonMessageFilter.java
@@ -0,0 +1,112 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.filter;
+
+import com.google.common.collect.ImmutableSet;
+import com.jayway.jsonpath.DocumentContext;
+import com.jayway.jsonpath.JsonPath;
+import com.jayway.jsonpath.PathNotFoundException;
+import org.apache.commons.lang3.StringUtils;
+import org.openecomp.dcae.apod.analytics.common.service.processor.AbstractMessageProcessor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+
+/**
+ * A Generic Json Message Filter which filter the json message based on given json Path and list of expected values
+ * for that json path. The {@link JsonMessageFilterProcessorContext#isMatched} flag will be changed as per table below:
+ * <pre>
+ *      Incoming message is blank or invalid Json                               =  null
+ *      Incoming message path is matches expected values                        = true
+ *      Incoming message does not match expected values or path does not exist  = false
+ * </pre>
+ * <p>
+ * @author Rajiv Singla . Creation Date: 2/10/2017.
+ */
+public class GenericJsonMessageFilter extends AbstractMessageProcessor<JsonMessageFilterProcessorContext> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(GenericJsonMessageFilter.class);
+    private static final long serialVersionUID = 1L;
+
+    private final String filterName;
+    private final String jsonPath;
+    private final Set<String> expectedValues;
+
+    public GenericJsonMessageFilter(final String filterName, final String jsonPath, final Set<String> expectedValues) {
+        this.filterName = filterName;
+        this.jsonPath = jsonPath;
+        this.expectedValues = expectedValues;
+    }
+
+    public GenericJsonMessageFilter(final String filterName, final String jsonPath, final String expectedValue) {
+        this(filterName, jsonPath, ImmutableSet.of(expectedValue));
+    }
+
+    @Override
+    public String getProcessorDescription() {
+        return filterName;
+    }
+
+    @Override
+    public JsonMessageFilterProcessorContext processMessage(final JsonMessageFilterProcessorContext processorContext) {
+
+        final String jsonMessage = processorContext.getMessage().trim();
+
+        if (StringUtils.isNotBlank(jsonMessage) && jsonMessage.startsWith("{") && jsonMessage.endsWith("}")) {
+
+            // locate json path value
+            final DocumentContext documentContext = JsonPath.parse(jsonMessage);
+            String jsonPathValue = null;
+            try {
+                jsonPathValue = documentContext.read(jsonPath, String.class);
+            } catch (PathNotFoundException ex) {
+                LOG.info("Unable to find json Path: {}. Exception: {}, Json Message: {}", jsonPath, ex, jsonMessage);
+            }
+
+            LOG.debug("Value for jsonPath: {}, jsonPathValue: {}, expected Values: {}",
+                    jsonPath, jsonPathValue, expectedValues);
+
+            // if json path value is null or we json value is not present in expect values then terminate early
+            if (jsonPathValue == null || !expectedValues.contains(jsonPathValue)) {
+                final String terminatingMessage = String.format("Filter match unsuccessful. " +
+                                "JsonPath: %s, Actual JsonPathValue: %s, Excepted Json Path Values: %s",
+                        jsonPath, jsonPathValue, expectedValues);
+                processorContext.setMatched(false);
+                setTerminatingProcessingMessage(terminatingMessage, processorContext);
+            } else {
+                final String finishProcessingMessage = String.format("Filter match successful. " +
+                                "JsonPath: %s, Actual JsonPathValue: %s, Excepted Json Path Values: %s",
+                        jsonPath, jsonPathValue, expectedValues);
+                processorContext.setMatched(true);
+                setFinishedProcessingMessage(finishProcessingMessage, processorContext);
+            }
+        } else {
+            // if incoming message is blank of valid Json then matched flag will be null
+            final String terminatingMessage = "Incoming json message is blank or not json. " +
+                    "Json filter cannot be applied";
+            processorContext.setMatched(null);
+            setTerminatingProcessingMessage(terminatingMessage, processorContext);
+        }
+
+        return processorContext;
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/filter/JsonMessageFilterProcessorContext.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/filter/JsonMessageFilterProcessorContext.java
new file mode 100644
index 0000000..d27c363
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/filter/JsonMessageFilterProcessorContext.java
@@ -0,0 +1,57 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.filter;
+
+import org.openecomp.dcae.apod.analytics.common.service.processor.AbstractProcessorContext;
+
+/**
+ * A processor context for Json Message Filter Processor
+ * <p>
+ * @author Rajiv Singla . Creation Date: 2/10/2017.
+ */
+public class JsonMessageFilterProcessorContext extends AbstractProcessorContext {
+
+    private static final long serialVersionUID = 1L;
+
+    private Boolean isMatched;
+
+    public JsonMessageFilterProcessorContext(final String jsonMessageString) {
+        super(jsonMessageString, true);
+    }
+
+    /**
+     * Returns true if Json Message Filter match was successful
+     *
+     * @return true if Json Message Filter match was successful, false if filter was match was unsuccessful
+     */
+    public Boolean getMatched() {
+        return isMatched;
+    }
+
+    /**
+     * Sets the value for Json Message Filter match
+     *
+     * @param matched new value for json message filter match
+     */
+    public void setMatched(final Boolean matched) {
+        isMatched = matched;
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractMessageProcessor.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractMessageProcessor.java
new file mode 100644
index 0000000..fdaa6cb
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractMessageProcessor.java
@@ -0,0 +1,162 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import com.google.common.base.Optional;
+import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nonnull;
+
+import static java.lang.String.format;
+
+/**
+ * An abstract Message Processor which can be extended by {@link MessageProcessor} implementations
+ * to get default behavior for Message Processors
+ *
+ * @param <P> Processor Context sub classes
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public abstract class AbstractMessageProcessor<P extends ProcessorContext> implements MessageProcessor<P> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(AbstractMessageProcessor.class);
+
+    /**
+     * By Default there is no processing message
+     */
+    private String processingMessage = null;
+
+    /**
+     * By Default Processing State is set to not required - subclasses must
+     * set processing state to {@link ProcessingState#PROCESSING_FINISHED_SUCCESSFULLY} on successful processing
+     * or {@link ProcessingState#PROCESSING_TERMINATED_EARLY} if processing fails
+     */
+    protected ProcessingState processingState = ProcessingState.PROCESSING_NOT_REQUIRED;
+
+    /**
+     * Sub classes must provide a description of a processor
+     *
+     * @return description of processor
+     *
+     */
+    public abstract String getProcessorDescription();
+
+
+    /**
+     * Sub classes must provide implementation to process Message
+     *
+     * @param processorContext incoming {@link ProcessorContext}
+     * @return outgoing {@link ProcessorContext}
+     */
+    public abstract P processMessage(P processorContext);
+
+    @Override
+    public ProcessorInfo getProcessorInfo() {
+        // by default the class of the Processor is assigned as Processor Name
+        final String processorClassName = getClass().getSimpleName();
+        return new GenericProcessorInfo(processorClassName, getProcessorDescription());
+    }
+
+    @Override
+    public P preProcessor(P processorContext) {
+        LOG.debug("Processing Started for Processor: {}", getProcessorInfo().getProcessorName());
+        // by default check to see if continue processing Flag is not false
+        final boolean okToContinue = processorContext.canProcessingContinue();
+        if (!okToContinue) {
+            final String errorMessage =
+                    format("Processor: %s. Processing Context flag okToContinue is false. Unable to proceed...",
+                            getProcessorInfo().getProcessorName());
+            throw new MessageProcessingException(errorMessage, LOG, new IllegalStateException(errorMessage));
+        }
+        processingState = ProcessingState.PROCESSING_STARTED;
+        return processorContext;
+    }
+
+    @Override
+    public ProcessingState getProcessingState() {
+        return processingState;
+    }
+
+    @Override
+    public Optional<String> getProcessingMessage() {
+        return Optional.fromNullable(processingMessage);
+    }
+
+    @Override
+    public P postProcessor(P processorContext) {
+        // Default implementation updates the post processing flag if processing did not
+        // completed successfully
+        if (processingState != ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY) {
+            LOG.debug("Processor: {}, Update Process Context State to stop Processing.",
+                    getProcessorInfo().getProcessorName());
+            processorContext.setProcessingContinueFlag(false);
+        }
+        // attaches itself to message processor context
+        processorContext.getMessageProcessors().add(this);
+        LOG.debug("Processing Completed for Processor: {}", getProcessorInfo());
+        return processorContext;
+    }
+
+
+    @Override
+    public final P apply(@Nonnull P processorContext) {
+        final P preProcessedProcessorContext = preProcessor(processorContext);
+        final P processedProcessorContext = processMessage(preProcessedProcessorContext);
+        return postProcessor(processedProcessorContext);
+    }
+
+
+    /**
+     * Helper method that updates processing state in case of early termination, logs the processing
+     * termination reason, updates Processor processing state as Terminated and sets it processing message
+     *
+     * @param terminatingMessage error Message
+     * @param processorContext message processor context
+     */
+    protected void setTerminatingProcessingMessage(final String terminatingMessage,
+                                                   final P processorContext) {
+
+        final String message = processorContext.getMessage();
+        this.processingState = ProcessingState.PROCESSING_TERMINATED_EARLY;
+        this.processingMessage = terminatingMessage;
+        LOG.debug("Processor: {}, Early Terminating Message: {}, Incoming Message: {}",
+                getProcessorInfo().getProcessorName(), terminatingMessage, message);
+    }
+
+    /**
+     * Helper method that updates Processing state and logs completion message
+     * passed
+     *
+     * @param processorPassingMessage Processor passing message
+     * @param processorContext message processor context
+     */
+    protected void setFinishedProcessingMessage(final String processorPassingMessage, P processorContext) {
+        final String message = processorContext.getMessage();
+        processingState = ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY;
+        this.processingMessage = processorPassingMessage;
+        LOG.debug("Processor: {}, Successful Completion Message: {}, Incoming Message: {}",
+                getProcessorInfo().getProcessorName(), processorPassingMessage, message);
+    }
+
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractProcessorContext.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractProcessorContext.java
new file mode 100644
index 0000000..a2501e3
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractProcessorContext.java
@@ -0,0 +1,96 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import com.google.common.base.Objects;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * <p>
+ *      An abstract implementation for {@link ProcessorContext} which other DCAE Analytics Modules
+ *      can extend to add module specific functionality
+ * </p>
+ *
+ * @author Rajiv Singla . Creation Date: 11/7/2016.
+ */
+public abstract class AbstractProcessorContext implements ProcessorContext {
+
+    private final String message;
+    private List<? super MessageProcessor<? extends ProcessorContext>> messageProcessors;
+    private boolean canProcessingContinue;
+
+    public AbstractProcessorContext(final String message,
+                                    boolean canProcessingContinue) {
+        this.message = message;
+        this.canProcessingContinue = canProcessingContinue;
+        this.messageProcessors = new LinkedList<>();
+    }
+
+    /**
+     * Returns JSON String of incoming CEF Message that needs to be processed
+     *
+     * @return incoming CEF message that needs to be processed
+     */
+    @Override
+    public String getMessage() {
+        return message;
+    }
+
+    /**
+     * Sets if it is ok to continue processing normally
+     *
+     * @return boolean which determines if it is ok to continue processing normally
+     */
+    @Override
+    public boolean canProcessingContinue() {
+        return canProcessingContinue;
+    }
+
+
+    /**
+     * Set if it is ok to continue processing normally
+     *
+     * @param canProcessingContinue sets boolean which determines if it is ok to continue processing normally
+     */
+    @Override
+    public void setProcessingContinueFlag(boolean canProcessingContinue) {
+        this.canProcessingContinue = canProcessingContinue;
+    }
+
+    /**
+     * Provides List of message processors which were used in processing CEF message
+     *
+     * @return List of message processors which were used in processing CEF message
+     */
+    @Override
+    public List<? super MessageProcessor<? extends ProcessorContext>> getMessageProcessors() {
+        return messageProcessors;
+    }
+
+    @Override
+    public String toString() {
+        return Objects.toStringHelper(this)
+                .add("canProcessingContinue", canProcessingContinue)
+                .toString();
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessor.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessor.java
new file mode 100644
index 0000000..982641d
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessor.java
@@ -0,0 +1,70 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import org.openecomp.dcae.apod.analytics.common.utils.MessageProcessorUtils.MessageProcessorFunction;
+
+import java.util.List;
+
+import static org.openecomp.dcae.apod.analytics.common.utils.MessageProcessorUtils.computeMessageProcessorChain;
+
+/**
+ * <p>
+ *     A Generic Message Processor which passes the {@link ProcessorContext} from first to second
+ *     {@link MessageProcessor}
+ * </p>
+ *
+ * @param <P> Processor Context sub classes
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public class GenericMessageChainProcessor<P extends ProcessorContext> {
+
+    private final List<? extends MessageProcessor<P>> messageProcessors;
+    private final P initialProcessorContext;
+
+    public GenericMessageChainProcessor(List<? extends MessageProcessor<P>> messageProcessors,
+                                        P initialProcessorContext) {
+        this.messageProcessors = messageProcessors;
+        this.initialProcessorContext = initialProcessorContext;
+    }
+
+    /**
+     * Process a processor chain
+     *
+     * @return Processor Context after processing the processor chain
+     */
+    public P processChain() {
+
+        final MessageProcessorFunction<P> messageProcessorFunction =
+                new MessageProcessorFunction<P>() {
+                    @Override
+                    public <M extends MessageProcessor<P>> P apply(P context, M processor) {
+                        return processor.apply(context);
+                    }
+                };
+
+        return computeMessageProcessorChain(messageProcessors, initialProcessorContext,
+                messageProcessorFunction);
+
+    }
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericProcessorInfo.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericProcessorInfo.java
new file mode 100644
index 0000000..69d817f
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericProcessorInfo.java
@@ -0,0 +1,57 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import javax.annotation.Nonnull;
+
+/**
+ * A Generic Implementation of {@link ProcessorInfo}
+ *
+ * @author Rajiv Singla . Creation Date: 11/7/2016.
+ */
+public class GenericProcessorInfo implements ProcessorInfo {
+
+    private static final long serialVersionUID = 1L;
+
+    private final String processorName;
+    private final String processorDescription;
+
+    public GenericProcessorInfo(@Nonnull String processorName, @Nonnull String processorDescription) {
+        this.processorName = processorName;
+        this.processorDescription = processorDescription;
+    }
+
+    @Override
+    public String getProcessorName() {
+        return processorName;
+    }
+
+    @Override
+    public String getProcessorDescription() {
+        return processorDescription;
+    }
+
+
+    @Override
+    public String toString() {
+        return processorName;
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/MessageProcessor.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/MessageProcessor.java
new file mode 100644
index 0000000..6af34f3
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/MessageProcessor.java
@@ -0,0 +1,84 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
+
+import java.io.Serializable;
+
+/**
+ * <p>
+ *     A message processor can be used to process incoming messages.
+ *     It uses implementations of {@link ProcessorContext} as input and output
+ * </p>
+ *
+ * @param <P> Message Processor Context implementations
+ *
+ * @author Rajiv Singla . Creation Date: 11/7/2016.
+ */
+public interface MessageProcessor<P extends ProcessorContext> extends Function<P, P>, Serializable {
+
+    /**
+     * Returns processor information
+     *
+     * @return processor Information
+     */
+    ProcessorInfo getProcessorInfo();
+
+
+    /**
+     * Does pre-processing of {@link ProcessorContext} e.g. validate input conditions and return
+     * pre processed context
+     *
+     * @param processorContext incoming Processor Context
+     * @return Pre processed Processor Context
+     */
+    P preProcessor(P processorContext);
+
+
+    /**
+     * Return processing state of a processor
+     *
+     * @return Processing State
+     */
+    ProcessingState getProcessingState();
+
+
+    /**
+     * May return a message from a processor which indicates the reason for {@link ProcessingState} especially if
+     * there was some failure in processing
+     *
+     * @return processing Message
+     */
+    Optional<String> getProcessingMessage();
+
+
+    /**
+     * Does post-processing of {@link ProcessorContext}
+     *
+     * @param processorContext incoming Processor Context
+     * @return processor Context after post processing is finished
+     */
+    P postProcessor(P processorContext);
+
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessingState.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessingState.java
new file mode 100644
index 0000000..cc6127d
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessingState.java
@@ -0,0 +1,36 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+/**
+ * <p>
+ *     Processing state of a {@link MessageProcessor}
+ * </p>
+ * @author Rajiv Singla . Creation Date: 11/5/2016.
+ */
+public enum ProcessingState {
+
+    PROCESSING_STARTED,
+    PROCESSING_FINISHED_SUCCESSFULLY,
+    PROCESSING_TERMINATED_EARLY,
+    PROCESSING_NOT_REQUIRED;
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessorContext.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessorContext.java
new file mode 100644
index 0000000..2dde5e1
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessorContext.java
@@ -0,0 +1,70 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * <p>
+ *     A Processor Context is used a an input and output to a {@link MessageProcessor}
+ *     <br>
+ *     DCAE Analytics sub projects should extend this interface and add specific fields
+ *     required for input and output
+ * </p>
+ *
+ * @author Rajiv Singla . Creation Date: 11/7/2016.
+ */
+public interface ProcessorContext extends Serializable {
+
+    /**
+     * Returns Processor Context message that will be processed by Chain of Processors
+     *
+     * @return message that need to be processed by processors
+     */
+    String getMessage();
+
+    /**
+     * Processing Context flag which determines if Processing can continue in a processing
+     * chain
+     *
+     * @return true if ok to continue processing normally
+     */
+    boolean canProcessingContinue();
+
+
+    /**
+     * Sets new value for ProcessingContinue flag which will cause early termination of processing in chain if
+     * set to false
+     *
+     * @param canProcessingContinue set new value for canProcessing Continue flag
+     */
+    void setProcessingContinueFlag(boolean canProcessingContinue);
+
+
+    /**
+     * Provides a List of previous processors which have completed processing
+     *
+     * @return list of previous processors
+     */
+    List<? super MessageProcessor<? extends ProcessorContext>> getMessageProcessors();
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessorInfo.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessorInfo.java
new file mode 100644
index 0000000..c7045d8
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/service/processor/ProcessorInfo.java
@@ -0,0 +1,49 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import java.io.Serializable;
+
+/**
+ * <p>
+ *     Contains Information about a processor. For e.g. Processor name, processor description etc
+ * </p>
+ *
+ * @author Rajiv Singla . Creation Date: 11/7/2016.
+ */
+public interface ProcessorInfo extends Serializable {
+
+    /**
+     * Returns a name which should uniquely identify a particular {@link MessageProcessor}
+     *
+     * @return processor name
+     */
+    String getProcessorName();
+
+
+    /**
+     * Returns description of a {@link MessageProcessor}
+     *
+     * @return processor description
+     */
+    String getProcessorDescription();
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/HTTPUtils.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/HTTPUtils.java
new file mode 100644
index 0000000..149aaee
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/HTTPUtils.java
@@ -0,0 +1,62 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.utils;
+
+/**
+ * Contains common utils to check HTTP Related Utils
+ *
+ * @author Rajiv Singla . Creation Date: 11/2/2016.
+ */
+public abstract class HTTPUtils {
+
+    /**
+     * HTTP Status code for successful HTTP call
+     */
+    public static final Integer HTTP_SUCCESS_STATUS_CODE = 200;
+
+    /**
+     * HTTP Response code when request has been accepted for processing, but the processing has not been completed
+     */
+    public static final Integer HTTP_ACCEPTED_RESPONSE_CODE = 202;
+
+    /**
+     * HTTP Response code when there is no content
+     */
+    public static final Integer HTTP_NO_CONTENT_RESPONSE_CODE = 204;
+
+
+    public static final String JSON_APPLICATION_TYPE = "application/json";
+
+
+    private HTTPUtils() {
+
+    }
+
+    /**
+     *  Checks if HTTP Status code is less than or equal to 200 but less then 300
+     *
+     * @param statusCode http status code
+     * @return true if response code between 200 and 300
+     */
+    public static boolean isSuccessfulResponseCode(Integer statusCode) {
+        return statusCode >= 200 && statusCode < 300;
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/MessageProcessorUtils.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/MessageProcessorUtils.java
new file mode 100644
index 0000000..71f4bab
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/MessageProcessorUtils.java
@@ -0,0 +1,162 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.utils;
+
+import com.google.common.base.Preconditions;
+import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
+import org.openecomp.dcae.apod.analytics.common.service.filter.GenericJsonMessageFilter;
+import org.openecomp.dcae.apod.analytics.common.service.filter.JsonMessageFilterProcessorContext;
+import org.openecomp.dcae.apod.analytics.common.service.processor.GenericMessageChainProcessor;
+import org.openecomp.dcae.apod.analytics.common.service.processor.MessageProcessor;
+import org.openecomp.dcae.apod.analytics.common.service.processor.ProcessorContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.annotation.Nonnull;
+
+
+/**
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public abstract class MessageProcessorUtils {
+
+    private static final Logger LOG = LoggerFactory.getLogger(MessageProcessorUtils.class);
+
+    /**
+     * Provides an abstraction how to apply {@link ProcessorContext} to next {@link MessageProcessor}
+     * in the message processor chain
+     *
+     * @param <P> Sub classes of Processor Context
+     */
+    public interface MessageProcessorFunction<P extends ProcessorContext> {
+
+        /**
+         * Method which provides accumulated {@link ProcessorContext} from previous processors and a reference
+         * to next processor in the chain
+         *
+         * @param p accumulated {@link ProcessorContext} from previous processors
+         * @param m current {@link MessageProcessor} in the chain
+         * @param <M> Message processor sub classes
+         *
+         * @return processing context after computing the current Message Processor
+         */
+        <M extends MessageProcessor<P>> P apply(P p, M m);
+    }
+
+
+    /**
+     * Provides an abstraction to compute a chain of {@link MessageProcessor}
+     *
+     * @param messageProcessors An iterable containing one or more {@link MessageProcessor}s
+     * @param initialProcessorContext An initial processing Context
+     * @param messageProcessorFunction messageProcessor Function
+     * @param <P> Sub classes for Processor Context
+     *
+     * @return processing context which results after computing the whole chain
+     */
+    public static <P extends ProcessorContext> P computeMessageProcessorChain(
+            final Iterable<? extends MessageProcessor<P>> messageProcessors,
+            final P initialProcessorContext,
+            final MessageProcessorFunction<P> messageProcessorFunction) {
+
+        // Get message processor iterator
+        final Iterator<? extends MessageProcessor<P>> processorIterator = messageProcessors.iterator();
+
+        // If no next message processor - return initial processor context
+        if (!processorIterator.hasNext()) {
+            return initialProcessorContext;
+        }
+
+        // An accumulator for processor Context
+        P processorContextAccumulator = initialProcessorContext;
+
+        while (processorIterator.hasNext()) {
+
+            final MessageProcessor<P> nextProcessor = processorIterator.next();
+
+            // If Initial Processor Context is null
+            if (processorContextAccumulator == null) {
+                final String errorMessage =
+                        String.format("Processor Context must not be null for Message Process: %s",
+                                nextProcessor.getProcessorInfo().getProcessorName());
+                throw new MessageProcessingException(errorMessage, LOG, new IllegalStateException(errorMessage));
+            }
+
+
+            if (!processorContextAccumulator.canProcessingContinue()) {
+                LOG.debug("Triggering Early Termination, before Message Processor: {}, Incoming Message: {}",
+                        nextProcessor.getProcessorInfo().getProcessorName(), processorContextAccumulator.getMessage());
+                break;
+            }
+            processorContextAccumulator = messageProcessorFunction.apply(processorContextAccumulator, nextProcessor);
+        }
+
+        return processorContextAccumulator;
+    }
+
+
+    /**
+     * Utility method to process Json Filter Mappings. Processes incoming json message and applies a list of json
+     * filter mappings and returns the resulting {@link JsonMessageFilterProcessorContext}
+     *
+     * @param jsonMessage json message to which filter mappings will be applies
+     * @param jsonFilterMappings Filter mappings contains a Map containing keys as filter json path
+     * and values as set of expected value corresponding to filter path
+     *
+     * @return json message processor context which contains the {@link JsonMessageFilterProcessorContext#isMatched}
+     * status after applying all filter mappings
+     */
+    public static JsonMessageFilterProcessorContext processJsonFilterMappings(
+            final String jsonMessage, @Nonnull final Map<String, Set<String>> jsonFilterMappings) {
+
+        Preconditions.checkState(jsonFilterMappings.size() > 0, "Json Filter Mappings must not be empty");
+
+        // create initial processor context containing the json message that need to be processed
+        final JsonMessageFilterProcessorContext initialProcessorContext =
+                new JsonMessageFilterProcessorContext(jsonMessage);
+
+        // Create Json Message Filters
+        final List<GenericJsonMessageFilter> jsonMessageFilters = new LinkedList<>();
+
+        int i = 0;
+        for (Map.Entry<String, Set<String>> jsonFilterMapping : jsonFilterMappings.entrySet()) {
+            jsonMessageFilters.add(new GenericJsonMessageFilter("Filter-" + i, jsonFilterMapping.getKey(),
+                    jsonFilterMapping.getValue()));
+            i++;
+        }
+
+        // Create Generic Message Chain Processor
+        final GenericMessageChainProcessor<JsonMessageFilterProcessorContext> messageChainProcessor =
+                new GenericMessageChainProcessor<>(jsonMessageFilters, initialProcessorContext);
+
+        // Process chain and return resulting json Message Filter Processor Context
+        return messageChainProcessor.processChain();
+    }
+
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/PersistenceUtils.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/PersistenceUtils.java
new file mode 100644
index 0000000..36fea2d
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/utils/PersistenceUtils.java
@@ -0,0 +1,59 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.utils;
+
+import java.util.Date;
+
+/**
+ * Contains Utility methods for creating persistence row keys etc.
+ *
+ * @author Rajiv Singla . Creation Date: 11/16/2016.
+ */
+public abstract class PersistenceUtils {
+
+
+    /**
+     * Name of the column which will contain Table Key
+     */
+    public static final String TABLE_ROW_KEY_COLUMN_NAME = "key";
+
+    /**
+     * Delimited to be used when creating a row key with multiple fields
+     */
+    public static final String ROW_KEY_DELIMITER = "-";
+
+
+    private PersistenceUtils() {
+
+    }
+
+    /**
+     * Creates a decreasing number using current timestamp. Handy when you want to keep records most recent records
+     * close to the top of column table like HBase
+     *
+     * @return decreasing number
+     */
+    public static String getCurrentTimeReverseSubKey() {
+        final long timeReverseLong = Long.MAX_VALUE - new Date().getTime();
+        return String.format("%025d", timeReverseLong);
+    }
+
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/DCAEValidator.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/DCAEValidator.java
new file mode 100644
index 0000000..c8d3549
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/DCAEValidator.java
@@ -0,0 +1,31 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.validation;
+
+import java.io.Serializable;
+
+/**
+ * Marker interface for all DCAE Validators
+ *
+ * @author Rajiv Singla . Creation Date: 10/24/2016.
+ */
+public interface DCAEValidator extends Serializable {
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/GenericValidationResponse.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/GenericValidationResponse.java
new file mode 100644
index 0000000..06237f0
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/GenericValidationResponse.java
@@ -0,0 +1,84 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.validation;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Objects;
+
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * A generic implementation of Validation Response
+ *
+ * @param <T> Validation Entity Type
+ *
+ * @author Rajiv Singla . Creation Date: 10/24/2016.
+ */
+public class GenericValidationResponse<T> implements ValidationResponse<T> {
+
+    private LinkedHashMap<String, String> errorMessageMap = new LinkedHashMap<>();
+
+    @Override
+    public boolean hasErrors() {
+        return errorMessageMap.size() != 0;
+    }
+
+    @Override
+    public Set<String> getFieldNamesWithError() {
+        return errorMessageMap.keySet();
+    }
+
+    @Override
+    public Collection<String> getErrorMessages() {
+        return errorMessageMap.values();
+    }
+
+    @Override
+    public Map<String, String> getValidationResultsAsMap() {
+        return errorMessageMap;
+    }
+
+    @Override
+    public String getAllErrorMessage() {
+        return getAllErrorMessage(",");
+    }
+
+    @Override
+    public String getAllErrorMessage(String delimiter) {
+        return Joiner.on(delimiter).join(errorMessageMap.values());
+    }
+
+    @Override
+    public void addErrorMessage(String fieldName, String filedErrorMessage) {
+        errorMessageMap.put(fieldName, filedErrorMessage);
+    }
+
+    @Override
+    public String toString() {
+        return Objects.toStringHelper(this)
+                .add("hasErrors", hasErrors())
+                .add("errorMessageMap", errorMessageMap)
+                .toString();
+    }
+}
diff --git a/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/ValidationResponse.java b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/ValidationResponse.java
new file mode 100644
index 0000000..f3ffa71
--- /dev/null
+++ b/dcae-analytics-common/src/main/java/org/openecomp/dcae/apod/analytics/common/validation/ValidationResponse.java
@@ -0,0 +1,90 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.validation;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Validation Response contract
+ *
+ * @param <T> Entity class type which is being validated
+ *
+ * @author Rajiv Singla . Creation Date: 10/24/2016.
+ */
+public interface ValidationResponse<T> {
+
+    /**
+     * Returns true if validation resulted in one or more errors
+     *
+     * @return true if validation has errors
+     */
+    boolean hasErrors();
+
+    /**
+     * Returns all field names which have error
+     *
+     * @return names of fields which have error
+     */
+    Set<String> getFieldNamesWithError();
+
+    /**
+     * Returns list of all error messages
+     *
+     * @return list of error messages
+     */
+    Collection<String> getErrorMessages();
+
+
+    /**
+     * Returns all error messages as string delimited by comma
+     *
+     * @return all error messages delimited by given delimiter
+     */
+    String getAllErrorMessage();
+
+    /**
+     * Returns all error messages as string delimited by given delimited
+     *
+     * @param delimiter delimited to be used for error message
+     * @return all error messages delimited by given delimiter
+     */
+    String getAllErrorMessage(String delimiter);
+
+    /**
+     * Adds field name and error message to the validation response
+     *
+     * @param fieldName field name which has validation error
+     * @param filedErrorMessage validation error message
+     */
+    void addErrorMessage(String fieldName, String filedErrorMessage);
+
+
+    /**
+     * Returns validation results as map containing values as keys and values
+     * as error Message
+     *
+     * @return Map containing field names and error message associated with those fields
+     */
+    Map<String, String> getValidationResultsAsMap();
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/BaseAnalyticsCommonUnitTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/BaseAnalyticsCommonUnitTest.java
new file mode 100644
index 0000000..9a42a97
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/BaseAnalyticsCommonUnitTest.java
@@ -0,0 +1,65 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common;
+
+import org.openecomp.dcae.apod.analytics.common.service.processor.TestEarlyTerminatingProcessor;
+import org.openecomp.dcae.apod.analytics.common.service.processor.TestMessageProcessor1;
+import org.openecomp.dcae.apod.analytics.common.service.processor.TestMessageProcessor2;
+import org.openecomp.dcae.apod.analytics.test.BaseDCAEAnalyticsUnitTest;
+
+/**
+ * Base class from all DCEA Analytics Common Module Unit Tests
+ * <p>
+ * @author Rajiv Singla . Creation Date: 10/6/2016.
+ */
+public abstract class BaseAnalyticsCommonUnitTest extends BaseDCAEAnalyticsUnitTest {
+
+
+    protected static final String TEST_MESSAGE_PROCESSOR_MESSAGE = "Test Processor Message";
+
+    protected static final String CEF_MESSAGE_FILE_PATH = "data/json/cef_message.json";
+
+    /*
+     * Test implementation for {@link CDAPAppSettings}
+     */
+    protected class CDAPTestAppSettings {
+
+        private String settingsField;
+
+        public String getSettingsField() {
+            return settingsField;
+        }
+
+        public void setSettingsField(String settingsField) {
+            this.settingsField = settingsField;
+        }
+    }
+
+    protected TestMessageProcessor1 getTestMessageProcessor1() {
+         return new TestMessageProcessor1();
+    }
+    protected TestMessageProcessor2 getTestMessageProcessor2() {
+        return new TestMessageProcessor2();
+    }
+    protected TestEarlyTerminatingProcessor getTestEarlyTerminationProcessor() {
+        return new TestEarlyTerminatingProcessor();
+    }
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/filter/GenericJsonMessageFilterTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/filter/GenericJsonMessageFilterTest.java
new file mode 100644
index 0000000..3a0d8bd
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/filter/GenericJsonMessageFilterTest.java
@@ -0,0 +1,151 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.filter;
+
+import com.google.common.collect.ImmutableList;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+import org.openecomp.dcae.apod.analytics.common.service.processor.GenericMessageChainProcessor;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Rajiv Singla . Creation Date: 2/10/2017.
+ */
+public class GenericJsonMessageFilterTest extends BaseAnalyticsCommonUnitTest {
+
+    private String jsonMessage;
+
+    @Before
+    public void before() throws Exception {
+        jsonMessage = fromStream(CEF_MESSAGE_FILE_PATH);
+
+    }
+
+    @Test
+    public void testJsonMessageFilterWhenAllFiltersPassed() throws Exception {
+
+        final JsonMessageFilterProcessorContext finalMessageProcessorContext =
+                processJsonMessageFilterChain(jsonMessage,
+                        "domainFilter", "$.event.commonEventHeader.domain", "measurementsForVfScaling",
+                        "functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
+
+        assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, true, true, 2);
+
+    }
+
+    @Test
+    public void testJsonMessageFilterWhenJsonPathValueIsANumber() throws Exception {
+
+        final JsonMessageFilterProcessorContext finalMessageProcessorContext =
+                processJsonMessageFilterChain(jsonMessage,
+                        "domainFilter", "$.event.commonEventHeader.sequence", "375",
+                        "functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
+
+        assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, true, true, 2);
+    }
+
+    @Test
+    public void testJsonMessageFilterWhenOneFilterDoesNotMatch() throws Exception {
+
+        final JsonMessageFilterProcessorContext finalMessageProcessorContext =
+                processJsonMessageFilterChain(jsonMessage,
+                        "domainFilter", "$.event.commonEventHeader.domain", "xxxxxxxxxxx",
+                        "functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
+
+        assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, false, false, 1);
+    }
+
+    @Test
+    public void testJsonMessageFilterWhenJsonPathDoesNotExist() throws Exception {
+
+        final JsonMessageFilterProcessorContext finalMessageProcessorContext =
+                processJsonMessageFilterChain(jsonMessage,
+                        "domainFilter", "$.event.commonEventHeader.xxxxxxx", "measurementsForVfScaling",
+                        "functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
+
+        assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, false, false, 1);
+    }
+
+    @Test
+    public void testJsonMessageFilterWhenIncomingMessageIsBlank() throws Exception {
+
+        final JsonMessageFilterProcessorContext finalMessageProcessorContext =
+                processJsonMessageFilterChain("",
+                        "domainFilter", "$.event.commonEventHeader.domain", "measurementsForVfScaling",
+                        "functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
+
+        assertJsonMessageAssertions("", finalMessageProcessorContext, false, null, 1);
+
+    }
+
+    @Test
+    public void testJsonMessageFilterWhenIncomingMessageIsNotValidJson() throws Exception {
+
+        final JsonMessageFilterProcessorContext finalMessageProcessorContext =
+                processJsonMessageFilterChain("invalidJson",
+                        "domainFilter", "$.event.commonEventHeader.domain", "measurementsForVfScaling",
+                        "functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
+
+        assertJsonMessageAssertions("invalidJson", finalMessageProcessorContext, false, null, 1);
+
+    }
+
+
+    private static void assertJsonMessageAssertions(
+            final String jsonMessage, final JsonMessageFilterProcessorContext finalMessageProcessorContext,
+            final Boolean canProcessingContinueFlag, final Boolean matchedFlag,
+            final int messageProcessorCount) throws Exception {
+
+        assertJson(jsonMessage, finalMessageProcessorContext.getMessage());
+        Assert.assertEquals(canProcessingContinueFlag, finalMessageProcessorContext.canProcessingContinue());
+        assertEquals(matchedFlag, finalMessageProcessorContext.getMatched());
+        Assert.assertEquals(finalMessageProcessorContext.getMessageProcessors().size(), messageProcessorCount);
+
+    }
+
+
+    private static JsonMessageFilterProcessorContext processJsonMessageFilterChain(
+            final String jsonMessage,
+            final String firstFilterName, final String firstFilterPath, final String firstFilterValue,
+            final String secondFilterName, final String secondFilterPath, final String secondFilterValue) {
+
+        // create processors
+        final GenericJsonMessageFilter firstFilter = new GenericJsonMessageFilter(firstFilterName, firstFilterPath,
+                firstFilterValue);
+        final GenericJsonMessageFilter secondFilter = new GenericJsonMessageFilter(secondFilterName,
+                secondFilterPath, secondFilterValue);
+
+        // create initial processor context containing the json message that need to be processed
+        final JsonMessageFilterProcessorContext initialProcessorContext =
+                new JsonMessageFilterProcessorContext(jsonMessage);
+
+        // create a generic message chain processor and feed it list of processors and initialProcessor context
+        final GenericMessageChainProcessor<JsonMessageFilterProcessorContext> messageChainProcessor =
+                new GenericMessageChainProcessor<>(ImmutableList.of(firstFilter, secondFilter),
+                        initialProcessorContext);
+
+        // process the generic message chain
+        return messageChainProcessor.processChain();
+    }
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractMessageProcessorTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractMessageProcessorTest.java
new file mode 100644
index 0000000..6e8e146
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractMessageProcessorTest.java
@@ -0,0 +1,68 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Rajiv Singla . Creation Date: 12/12/2016.
+ */
+public class AbstractMessageProcessorTest extends BaseAnalyticsCommonUnitTest {
+
+
+    @Test
+    public void testPreProcessorWhenProcessingContextFlagIsTrue() throws Exception {
+        TestMessageProcessor1 messageProcessor1 = new TestMessageProcessor1();
+        final TestProcessorContext processorContext =
+                new TestProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, true);
+        final TestProcessorContext testProcessorContext = messageProcessor1.preProcessor(processorContext);
+        assertThat("Processing flag must be true",
+                testProcessorContext.canProcessingContinue(), is(true));
+    }
+
+    @Test(expected = MessageProcessingException.class)
+    public void testPreProcessorWhenProcessingContextFlagIsFalse() throws Exception {
+        TestMessageProcessor1 messageProcessor1 = new TestMessageProcessor1();
+        final TestProcessorContext testProcessorContext =
+                new TestProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, false);
+        messageProcessor1.preProcessor(testProcessorContext);
+    }
+
+    @Test
+    public void testPostProcessorWhenProcessingStateIsNotFinishedSuccessfully() throws Exception {
+        TestMessageProcessor1 messageProcessor1 = new TestMessageProcessor1();
+        final ProcessingState processingState = messageProcessor1.getProcessingState();
+        assertTrue("Processing state is not processing finished successfully",
+                processingState != ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY);
+        final TestProcessorContext processorContext =
+                new TestProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, true);
+        final TestProcessorContext testProcessorContext = messageProcessor1.postProcessor(processorContext);
+        assertThat("Processing flag must be false",
+                testProcessorContext.canProcessingContinue(), is(false));
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractProcessorContextTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractProcessorContextTest.java
new file mode 100644
index 0000000..6a4b500
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/AbstractProcessorContextTest.java
@@ -0,0 +1,79 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+
+import java.util.List;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Rajiv Singla . Creation Date: 12/12/2016.
+ */
+public class AbstractProcessorContextTest extends BaseAnalyticsCommonUnitTest {
+
+    class TestAbstractMessageProcessorContext extends AbstractProcessorContext {
+
+        public TestAbstractMessageProcessorContext(String message, boolean canProcessingContinue) {
+            super(message, canProcessingContinue);
+        }
+    }
+
+
+    @Test
+    public void testGetMessage() throws Exception {
+        TestAbstractMessageProcessorContext testProcessorContext =
+                new TestAbstractMessageProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, true);
+        final String message = testProcessorContext.getMessage();
+        assertThat("Message Processor message must match", message, is(TEST_MESSAGE_PROCESSOR_MESSAGE));
+    }
+
+    @Test
+    public void testCanProcessingContinue() throws Exception {
+        TestAbstractMessageProcessorContext testProcessorContext =
+                new TestAbstractMessageProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, true);
+        final boolean canProcessingContinue = testProcessorContext.canProcessingContinue();
+        assertThat("Message Can Processing flag must be true", canProcessingContinue, is(true));
+    }
+
+    @Test
+    public void testSetProcessingContinueFlag() throws Exception {
+        TestAbstractMessageProcessorContext testProcessorContext =
+                new TestAbstractMessageProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, true);
+        testProcessorContext.setProcessingContinueFlag(false);
+        assertThat("Message Can processing flag must be false",
+                testProcessorContext.canProcessingContinue(), is(false));
+
+    }
+
+    @Test
+    public void testGetMessageProcessors() throws Exception {
+        TestAbstractMessageProcessorContext testProcessorContext =
+                new TestAbstractMessageProcessorContext(TEST_MESSAGE_PROCESSOR_MESSAGE, true);
+        final List<? super MessageProcessor<? extends ProcessorContext>> messageProcessors =
+                testProcessorContext.getMessageProcessors();
+        assertThat("Message processor processing message must match", messageProcessors.size(), is(0));
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java
new file mode 100644
index 0000000..2578406
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericMessageChainProcessorTest.java
@@ -0,0 +1,96 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import com.google.common.collect.ImmutableList;
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+import org.openecomp.dcae.apod.analytics.common.exception.MessageProcessingException;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
+
+
+/**
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public class GenericMessageChainProcessorTest extends BaseAnalyticsCommonUnitTest {
+
+
+    @Test
+    public void testProcessChainWhenProcessChainHasNoEarlyTermination() throws Exception {
+
+        final TestMessageProcessor1 testMessageProcessor1 = getTestMessageProcessor1();
+        final TestMessageProcessor2 testMessageProcessor2 = getTestMessageProcessor2();
+        final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =
+                ImmutableList.of(testMessageProcessor1, testMessageProcessor2);
+
+        final TestProcessorContext testProcessorContext = new TestProcessorContext("Hello", true);
+
+        final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =
+                new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);
+
+        final TestProcessorContext finalProcessorContext = genericMessageChainProcessor.processChain();
+
+        final String result = finalProcessorContext.getResult();
+        assertThat("Final Result must be Hello World! Again", result, is("Hello World! Again"));
+        assertThat("TestProcessor1 state is correct", testMessageProcessor1.getProcessingState(),
+                is(ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY));
+        assertThat("TestProcessor2 state is correct", testMessageProcessor2.getProcessingState(),
+                is(ProcessingState.PROCESSING_FINISHED_SUCCESSFULLY));
+    }
+
+
+    @Test
+    public void testProcessChainWhenProcessChainEarlyTermination() throws Exception {
+
+        final TestEarlyTerminatingProcessor testEarlyTerminatingProcessor = getTestEarlyTerminationProcessor();
+        final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =
+                ImmutableList.of(testEarlyTerminatingProcessor, getTestMessageProcessor2());
+        final TestProcessorContext testProcessorContext = new TestProcessorContext("Hello", true);
+
+        final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =
+                new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);
+
+        final TestProcessorContext finalProcessorContext = genericMessageChainProcessor.processChain();
+        final String result = finalProcessorContext.getResult();
+        assertNull("Final Result must be null", result);
+        assertThat("TestEarlyTerminatingProcessor state is correct",
+                testEarlyTerminatingProcessor.getProcessingState(), is(ProcessingState.PROCESSING_TERMINATED_EARLY));
+    }
+
+    @Test(expected = MessageProcessingException.class)
+    public void testProcessChainWhenIncomingMessageContextIsNull() throws Exception {
+
+        final TestEarlyTerminatingProcessor testEarlyTerminatingProcessor = getTestEarlyTerminationProcessor();
+        final ImmutableList<? extends MessageProcessor<TestProcessorContext>> testMessageChain =
+                ImmutableList.of(testEarlyTerminatingProcessor, getTestMessageProcessor2());
+        final TestProcessorContext testProcessorContext = null;
+
+        final GenericMessageChainProcessor<TestProcessorContext> genericMessageChainProcessor =
+                new GenericMessageChainProcessor<>(testMessageChain, testProcessorContext);
+
+       genericMessageChainProcessor.processChain();
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericProcessorInfoTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericProcessorInfoTest.java
new file mode 100644
index 0000000..d52789e
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/GenericProcessorInfoTest.java
@@ -0,0 +1,53 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Rajiv Singla . Creation Date: 12/12/2016.
+ */
+public class GenericProcessorInfoTest extends BaseAnalyticsCommonUnitTest {
+
+
+    @Test
+    public void getProcessorName() throws Exception {
+        final String processorName = "testProcessorName";
+        final String processorDescription = "testProcessorDescription";
+        GenericProcessorInfo genericProcessorInfo = new GenericProcessorInfo(processorName, processorDescription);
+        assertThat("Processor Name must match", genericProcessorInfo.getProcessorName(), is(processorName));
+
+    }
+
+    @Test
+    public void getProcessorDescription() throws Exception {
+        final String processorName = "testProcessorName";
+        final String processorDescription = "testProcessorDescription";
+        GenericProcessorInfo genericProcessorInfo = new GenericProcessorInfo(processorName, processorDescription);
+        assertThat("Processor Description must match", genericProcessorInfo.getProcessorDescription(),
+                is(processorDescription));
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestEarlyTerminatingProcessor.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestEarlyTerminatingProcessor.java
new file mode 100644
index 0000000..814ea4b
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestEarlyTerminatingProcessor.java
@@ -0,0 +1,39 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+/**
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public class TestEarlyTerminatingProcessor extends  AbstractMessageProcessor<TestProcessorContext> {
+
+    @Override
+    public String getProcessorDescription() {
+        return "Terminates the chain early";
+    }
+
+    @Override
+    public TestProcessorContext processMessage(TestProcessorContext processorContext) {
+        setTerminatingProcessingMessage("Terminating early", processorContext);
+        return processorContext;
+    }
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestMessageProcessor1.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestMessageProcessor1.java
new file mode 100644
index 0000000..e8f8b0e
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestMessageProcessor1.java
@@ -0,0 +1,41 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+/**
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public class TestMessageProcessor1 extends  AbstractMessageProcessor<TestProcessorContext> {
+
+    @Override
+    public String getProcessorDescription() {
+        return "Appends \" World!\" to the message string and set it to result string";
+    }
+
+    @Override
+    public TestProcessorContext processMessage(TestProcessorContext processorContext) {
+        final String message = processorContext.getMessage();
+        processorContext.setResult(message + " World!");
+        setFinishedProcessingMessage("Finished Appending world", processorContext);
+        return processorContext;
+    }
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestMessageProcessor2.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestMessageProcessor2.java
new file mode 100644
index 0000000..ce3a2dc
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestMessageProcessor2.java
@@ -0,0 +1,41 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+/**
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public class TestMessageProcessor2 extends AbstractMessageProcessor<TestProcessorContext> {
+
+    @Override
+    public String getProcessorDescription() {
+        return "Appends \" Again\" to the result string";
+    }
+
+    @Override
+    public TestProcessorContext processMessage(TestProcessorContext processorContext) {
+        final String result = processorContext.getResult();
+        processorContext.setResult(result + " Again");
+        setFinishedProcessingMessage("Finished Appending again to result", processorContext);
+        return processorContext;
+    }
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestProcessorContext.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestProcessorContext.java
new file mode 100644
index 0000000..9ed7f4c
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/service/processor/TestProcessorContext.java
@@ -0,0 +1,84 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.service.processor;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ *
+ * @author Rajiv Singla . Creation Date: 11/8/2016.
+ */
+public class TestProcessorContext implements ProcessorContext {
+
+    private String message;
+    private boolean continueProcessingFlag;
+    private String result;
+    private List<? super MessageProcessor<? extends ProcessorContext>> messageProcessors;
+
+    public TestProcessorContext(String message, boolean continueProcessingFlag) {
+        this.message = message;
+        this.continueProcessingFlag = continueProcessingFlag;
+        this.messageProcessors = new LinkedList<>();
+    }
+
+    @Override
+    public String getMessage() {
+        return message;
+    }
+
+    @Override
+    public boolean canProcessingContinue() {
+        return continueProcessingFlag;
+    }
+
+    @Override
+    public void setProcessingContinueFlag(boolean canProcessingContinue) {
+        this.continueProcessingFlag = canProcessingContinue;
+    }
+
+    @Override
+    public List<? super MessageProcessor<? extends ProcessorContext>> getMessageProcessors() {
+        return messageProcessors;
+    }
+
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public boolean isContinueProcessingFlag() {
+        return continueProcessingFlag;
+    }
+
+    public void setContinueProcessingFlag(boolean continueProcessingFlag) {
+        this.continueProcessingFlag = continueProcessingFlag;
+    }
+
+    public String getResult() {
+        return result;
+    }
+
+    public void setResult(String result) {
+        this.result = result;
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/HTTPUtilsTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/HTTPUtilsTest.java
new file mode 100644
index 0000000..23cc4fb
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/HTTPUtilsTest.java
@@ -0,0 +1,48 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.utils;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+
+import static org.hamcrest.CoreMatchers.is;
+
+/**
+ * @author Rajiv Singla . Creation Date: 12/12/2016.
+ */
+public class HTTPUtilsTest extends BaseAnalyticsCommonUnitTest {
+
+
+    @Test
+    public void testIsSuccessfulResponseCodeWhenResponseCodeIsSuccessful() throws Exception {
+        final boolean successfulResponseCode = HTTPUtils.isSuccessfulResponseCode(200);
+        Assert.assertThat("200 Response code must return true", successfulResponseCode, is(true));
+    }
+
+    @Test
+    public void testIsSuccessfulResponseCodeWhenResponseCodeIsNotSuccessful() throws Exception {
+        final boolean successfulResponseCode = HTTPUtils.isSuccessfulResponseCode(301);
+        Assert.assertThat("301 Response code must return false", successfulResponseCode, is(false));
+    }
+
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/MessageProcessorUtilsTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/MessageProcessorUtilsTest.java
new file mode 100644
index 0000000..8f8c68f
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/MessageProcessorUtilsTest.java
@@ -0,0 +1,62 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.utils;
+
+import com.google.common.collect.ImmutableSet;
+import org.junit.Assert;
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+import org.openecomp.dcae.apod.analytics.common.service.filter.JsonMessageFilterProcessorContext;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * @author Rajiv Singla . Creation Date: 3/3/2017.
+ */
+public class MessageProcessorUtilsTest extends BaseAnalyticsCommonUnitTest {
+
+
+    @Test
+    public void testProcessJsonFilterMappings() throws Exception {
+        final String jsonMessage = fromStream(CEF_MESSAGE_FILE_PATH);
+
+        final Map<String, Set<String>> jsonFilterMappings = new HashMap<>();
+        jsonFilterMappings.put("$.event.commonEventHeader.domain", ImmutableSet.of("measurementsForVfScaling"));
+        jsonFilterMappings.put(
+                "$.event.commonEventHeader.functionalRole", ImmutableSet.of("vFirewall", "vLoadBalancer"));
+
+        final JsonMessageFilterProcessorContext jsonMessageFilterProcessorContext =
+                MessageProcessorUtils.processJsonFilterMappings(jsonMessage, jsonFilterMappings);
+        final Boolean matched = jsonMessageFilterProcessorContext.getMatched();
+        Assert.assertNotNull(matched);
+        Assert.assertTrue(matched);
+    }
+
+    @Test(expected = IllegalStateException.class)
+    public void testProcessJsonFilterMappingsWhenMappingsAreEmpty() throws Exception {
+        final String jsonMessage = fromStream(CEF_MESSAGE_FILE_PATH);
+        final Map<String, Set<String>> jsonFilterMappings = new HashMap<>();
+        MessageProcessorUtils.processJsonFilterMappings(jsonMessage, jsonFilterMappings);
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/PersistenceUtilsTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/PersistenceUtilsTest.java
new file mode 100644
index 0000000..d6d4ded
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/utils/PersistenceUtilsTest.java
@@ -0,0 +1,40 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.utils;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+
+/**
+ * @author Rajiv Singla . Creation Date: 12/12/2016.
+ */
+public class PersistenceUtilsTest extends BaseAnalyticsCommonUnitTest {
+
+    @Test
+    public void testGetCurrentTimeReverseSubKey() throws Exception {
+
+        final String currentTimeReverseSubKey = PersistenceUtils.getCurrentTimeReverseSubKey();
+        Assert.assertNotNull("Sub Key must not be null", currentTimeReverseSubKey);
+        Assert.assertTrue("Sub Key Length must be 25", currentTimeReverseSubKey.length() == 25);
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/validation/GenericValidationResponseTest.java b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/validation/GenericValidationResponseTest.java
new file mode 100644
index 0000000..fc2a27b
--- /dev/null
+++ b/dcae-analytics-common/src/test/java/org/openecomp/dcae/apod/analytics/common/validation/GenericValidationResponseTest.java
@@ -0,0 +1,129 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 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.openecomp.dcae.apod.analytics.common.validation;
+
+import org.junit.Test;
+import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Rajiv Singla . Creation Date: 12/12/2016.
+ */
+public class GenericValidationResponseTest extends BaseAnalyticsCommonUnitTest {
+
+
+    @Test
+    public void testHasErrorsWhenResponseHasErrors() throws Exception {
+
+        final String fieldName = "testField";
+        final String errorMessage = "Some error message";
+        final GenericValidationResponse<CDAPTestAppSettings> validationResponse =
+                createTestValidationResponse(fieldName, errorMessage);
+
+        validationResponse.addErrorMessage("testField", "Some error message");
+        assertThat("Validation Response must has errors", validationResponse.hasErrors(), is(true));
+    }
+
+    @Test
+    public void testHasErrorsWhenResponseDoesNotHaveErrors() throws Exception {
+        GenericValidationResponse<CDAPTestAppSettings> validationResponse = new
+                GenericValidationResponse<>();
+        assertThat("Validation Response must has errors", validationResponse.hasErrors(), is(false));
+    }
+
+    @Test
+    public void testGetFieldNamesWithError() throws Exception {
+
+        final String fieldName = "testField";
+        final String errorMessage = "Some error message";
+        final GenericValidationResponse<CDAPTestAppSettings> validationResponse =
+                createTestValidationResponse(fieldName, errorMessage);
+
+        assertThat("Validation Response must has errors", validationResponse.hasErrors(), is(true));
+        assertThat("Validation Field Name must match",
+                validationResponse.getFieldNamesWithError().iterator().next(), is(fieldName));
+    }
+
+    @Test
+    public void testGetErrorMessages() throws Exception {
+
+        final String fieldName = "testField";
+        final String errorMessage = "Some error message";
+        final GenericValidationResponse<CDAPTestAppSettings> validationResponse =
+                createTestValidationResponse(fieldName, errorMessage);
+
+        assertThat("Validation Response must has errors", validationResponse.hasErrors(), is(true));
+        assertThat("Validation Error Message must match",
+                validationResponse.getErrorMessages().iterator().next(), is(errorMessage));
+    }
+
+    @Test
+    public void getValidationResultsAsMap() throws Exception {
+        final String fieldName = "testField";
+        final String errorMessage = "Some error message";
+        final GenericValidationResponse<CDAPTestAppSettings> validationResponse =
+                createTestValidationResponse(fieldName, errorMessage);
+        assertThat("Validation Response must has errors", validationResponse.hasErrors(), is(true));
+        assertThat("Validation Field Name must match",
+                validationResponse.getValidationResultsAsMap().keySet().iterator().next(), is(fieldName));
+        assertThat("Validation Error Message must match",
+                validationResponse.getValidationResultsAsMap().values().iterator().next(), is(errorMessage));
+    }
+
+    @Test
+    public void getAllErrorMessage() throws Exception {
+        final String fieldName = "testField";
+        final String errorMessage = "Some error message";
+        final GenericValidationResponse<CDAPTestAppSettings> validationResponse =
+                createTestValidationResponse(fieldName, errorMessage);
+        final String allErrorMessage = validationResponse.getAllErrorMessage();
+        assertThat("All Error messages should match", allErrorMessage, is(errorMessage));
+    }
+
+    @Test
+    public void addErrorMessage() throws Exception {
+        final String fieldName = "testField";
+        final String errorMessage = "Some error message";
+        GenericValidationResponse<CDAPTestAppSettings> validationResponse = new
+                GenericValidationResponse<>();
+        validationResponse.addErrorMessage(fieldName, errorMessage);
+
+        assertThat("Validation Response must has errors", validationResponse.hasErrors(), is(true));
+        assertThat("Validation Field Name must match",
+                validationResponse.getValidationResultsAsMap().keySet().iterator().next(), is(fieldName));
+        assertThat("Validation Error Message must match",
+                validationResponse.getValidationResultsAsMap().values().iterator().next(), is(errorMessage));
+    }
+
+    private static GenericValidationResponse<CDAPTestAppSettings> createTestValidationResponse(
+            final String fieldName, final String errorMessage) {
+        GenericValidationResponse<CDAPTestAppSettings> validationResponse = new
+                GenericValidationResponse<>();
+        if (fieldName != null || errorMessage != null) {
+            validationResponse.addErrorMessage(fieldName, errorMessage);
+        }
+
+        return validationResponse;
+    }
+
+}
diff --git a/dcae-analytics-common/src/test/resources/data/json/cef_message.json b/dcae-analytics-common/src/test/resources/data/json/cef_message.json
new file mode 100644
index 0000000..52cf53b
--- /dev/null
+++ b/dcae-analytics-common/src/test/resources/data/json/cef_message.json
@@ -0,0 +1,37 @@
+{
+  "event": {
+    "measurementsForVfScalingFields": {
+      "measurementInterval": 10,
+      "measurementsForVfScalingVersion": 1.1,
+      "vNicUsageArray": [
+        {
+          "bytesIn": 6086,
+          "multicastPacketsIn": 0,
+          "multicastPacketsOut": 0,
+          "unicastPacketsIn": 0,
+          "broadcastPacketsOut": 0,
+          "packetsOut": 42,
+          "bytesOut": 7156,
+          "packetsIn": 93,
+          "broadcastPacketsIn": 0,
+          "vNicIdentifier": "eth0",
+          "unicastPacketsOut": 0
+        }
+      ]
+    },
+    "commonEventHeader": {
+      "reportingEntityName": "vpp-test",
+      "startEpochMicrosec": 1477070210290442,
+      "eventId": "375",
+      "lastEpochMicrosec": 1477070220290442,
+      "priority": "Normal",
+      "sequence": 375,
+      "sourceName": "Dummy VM name - No Metadata available",
+      "domain": "measurementsForVfScaling",
+      "functionalRole": "vFirewall",
+      "reportingEntityId": "No UUID available",
+      "version": 1.1,
+      "sourceId": "Dummy VM UUID - No Metadata available"
+    }
+  }
+}
diff --git a/dcae-analytics-common/src/test/resources/logback-test.xml b/dcae-analytics-common/src/test/resources/logback-test.xml
new file mode 100644
index 0000000..f6d96bf
--- /dev/null
+++ b/dcae-analytics-common/src/test/resources/logback-test.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ ===============================LICENSE_START======================================
+  ~  dcae-analytics
+  ~ ================================================================================
+  ~    Copyright © 2017 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===========================================
+  -->
+<configuration>
+
+    <!--
+      Disabling some chatty loggers.
+    -->
+    <logger name="org.apache.commons.beanutils" level="ERROR"/>
+    <logger name="org.apache.zookeeper.server" level="ERROR"/>
+    <logger name="org.apache.zookeeper" level="ERROR"/>
+    <logger name="com.ning" level="WARN"/>
+    <logger name="org.apache.spark" level="WARN"/>
+    <logger name="org.spark-project" level="WARN"/>
+    <logger name="org.apache.hadoop" level="WARN"/>
+    <logger name="org.apache.hive" level="WARN"/>
+    <logger name="org.quartz.core" level="WARN"/>
+    <logger name="org.eclipse.jetty" level="WARN"/>
+    <logger name="io.netty.util.internal" level="WARN"/>
+
+    <logger name="org.apache.twill" level="WARN"/>
+    <logger name="co.cask.cdap" level="INFO"/>
+    <logger name="org.openecomp.dcae.apod.analytics" level="DEBUG"/>
+
+    <appender name="Console" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="ERROR">
+        <appender-ref ref="Console"/>
+    </root>
+
+
+</configuration>
+