Adding code for managing life cycle of SDC Client

* Adding init/start/stop methods in SDCReceptionHandler for managing lifecycle of SDC Client.
* Adding a handler status enum to hold all the possible status values.
* Adding test cases to cover code changes fully.

Change-Id: Ib6f370485ff330538bfada6030c592629ed3fd1c
Issue-ID: POLICY-956
Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>

12 files changed, 538 insertions, 43 deletions

diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/PssdConfiguration.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcConfiguration.java
index c5c877e1..945670b9 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/PssdConfiguration.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcConfiguration.java
@@ -22,31 +22,26 @@ package org.onap.policy.distribution.reception.handling.sdc;
 
 import java.util.List;
 
-import org.onap.sdc.api.consumer.IConfiguration;
 import org.onap.policy.distribution.reception.parameters.PssdConfigurationParametersGroup;
+import org.onap.sdc.api.consumer.IConfiguration;
 
 /**
- * Properties for the handling Sdc
+ * This class represents the configurations needed for SDC Client.
  *
  */
-public class PssdConfiguration implements IConfiguration {
+public class SdcConfiguration implements IConfiguration {
 
-    // Configuration file structure
-
-    // Configuration file properties
     private PssdConfigurationParametersGroup configParameters = null;
 
     /**
-     * Original constructor
+     * Constructor for instantiating {@link SdcConfiguration}.
      *
-     * @param configParameters properties needed to be configured for the model loader
+     * @param configParameters the SDC Client configuration parameters
      */
-    public PssdConfiguration(final PssdConfigurationParametersGroup configParameters) {
+    public SdcConfiguration(final PssdConfigurationParametersGroup configParameters) {
         this.configParameters = configParameters;
-
     }
 
-
     @Override
     public String getAsdcAddress() {
         return configParameters.getAsdcAddress();
@@ -121,6 +116,4 @@ public class PssdConfiguration implements IConfiguration {
     public Boolean isUseHttpsWithDmaap() {
         return configParameters.isUseHttpsWithDmaap();
     }
-
-
 }
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java
new file mode 100644
index 00000000..0ea57799
--- /dev/null
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.handling.sdc;
+
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.sdc.api.consumer.INotificationCallback;
+import org.onap.sdc.api.notification.INotificationData;
+
+/**
+ * Class to provide an implementation of INotificationCallback interface for receiving the incoming distribution
+ * notifications from SDC.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class SdcNotificationCallBack implements INotificationCallback {
+
+    private static final Logger LOGGER = FlexLogger.getLogger(SdcNotificationCallBack.class);
+
+    @Override
+    public void activateCallback(final INotificationData notificationData) {
+
+        LOGGER.debug("Got the message from SDC:" + notificationData.getDistributionID());
+        // Code for handling notification will come here
+    }
+
+}
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
index 494f47f6..60c94e2b 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
@@ -5,40 +5,150 @@
  * 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.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
 
 package org.onap.policy.distribution.reception.handling.sdc;
 
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.common.parameters.ParameterService;
+import org.onap.policy.distribution.reception.decoding.PluginInitializationException;
+import org.onap.policy.distribution.reception.decoding.PluginTerminationException;
 import org.onap.policy.distribution.reception.handling.AbstractReceptionHandler;
+import org.onap.policy.distribution.reception.parameters.PssdConfigurationParametersGroup;
+import org.onap.sdc.api.IDistributionClient;
+import org.onap.sdc.api.results.IDistributionClientResult;
+import org.onap.sdc.impl.DistributionClientFactory;
+import org.onap.sdc.utils.DistributionActionResultEnum;
 
 /**
- * Handles reception of inputs from ONAP Service Design and Creation (SDC) from which policies may
- * be decoded.
+ * Handles reception of inputs from ONAP Service Design and Creation (SDC) from which policies may be decoded.
  */
 public class SdcReceptionHandler extends AbstractReceptionHandler {
 
+    private static final Logger LOGGER = FlexLogger.getLogger(SdcReceptionHandler.class);
+    private SdcReceptionHandlerStatus sdcReceptionHandlerStatus = SdcReceptionHandlerStatus.STOPPED;
+    private PssdConfigurationParametersGroup handlerParameters;
+    private IDistributionClient distributionClient;
+    private volatile int nbOfNotificationsOngoing = 0;
+
     @Override
-    protected void initializeReception(String parameterGroupName) {
-        // Set up subscription to SDC
+    protected void initializeReception(final String parameterGroupName) throws PluginInitializationException {
+        handlerParameters = (PssdConfigurationParametersGroup) ParameterService.get(parameterGroupName);
+        initializeSdcClient();
+        startSdcClient();
     }
 
     // Add functionality for receiving SDC distibutions and invoking AbstractReceptionHandler
     // inputReceived()
 
     @Override
-    public void destroy() {
-        // Tear down subscription etc
+    public void destroy() throws PluginTerminationException {
+        LOGGER.debug("Going to stop the SDC Client...");
+        if (distributionClient != null) {
+            final IDistributionClientResult clientResult = distributionClient.stop();
+            if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
+                final String message =
+                        "SDC client stop failed with reason:" + clientResult.getDistributionMessageResult();
+                LOGGER.error(message);
+                throw new PluginTerminationException(message);
+            }
+        }
+        changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.STOPPED);
+        LOGGER.debug("SDC Client is stopped successfully");
+    }
+
+    /**
+     * Method to change the status of this reception handler instance.
+     *
+     * @param newStatus the new status
+     */
+    protected synchronized final void changeSdcReceptionHandlerStatus(final SdcReceptionHandlerStatus newStatus) {
+        switch (newStatus) {
+            case INIT:
+            case STOPPED:
+                sdcReceptionHandlerStatus = newStatus;
+                break;
+            case IDLE:
+                if (nbOfNotificationsOngoing > 1) {
+                    --nbOfNotificationsOngoing;
+                } else {
+                    nbOfNotificationsOngoing = 0;
+                    sdcReceptionHandlerStatus = newStatus;
+                }
+                break;
+            case BUSY:
+                ++nbOfNotificationsOngoing;
+                sdcReceptionHandlerStatus = newStatus;
+                break;
+        }
+    }
+
+    /**
+     * Creates an instance of {@link IDistributionClient} from {@link DistributionClientFactory}.
+     *
+     * @return the {@link IDistributionClient} instance
+     */
+    protected IDistributionClient createSdcDistributionClient() {
+        return DistributionClientFactory.createDistributionClient();
     }
 
+    /**
+     * Method to initialize the SDC client.
+     *
+     * @throws PluginInitializationException if the initialization of SDC Client fails
+     */
+    private void initializeSdcClient() throws PluginInitializationException {
+
+        LOGGER.debug("Going to initialize the SDC Client...");
+        if (sdcReceptionHandlerStatus != SdcReceptionHandlerStatus.STOPPED) {
+            final String message = "The SDC Client is already initialized";
+            LOGGER.error(message);
+            throw new PluginInitializationException(message);
+        }
+        final SdcConfiguration sdcConfig = new SdcConfiguration(handlerParameters);
+        distributionClient = createSdcDistributionClient();
+        final IDistributionClientResult clientResult =
+                distributionClient.init(sdcConfig, new SdcNotificationCallBack());
+        if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
+            changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.STOPPED);
+            final String message =
+                    "SDC client initialization failed with reason:" + clientResult.getDistributionMessageResult();
+            LOGGER.error(message);
+            throw new PluginInitializationException(message);
+        }
+        LOGGER.debug("SDC Client is initialized successfully");
+        this.changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.INIT);
+    }
+
+    /**
+     * Method to start the SDC client.
+     *
+     * @param configParameter the configuration parameters
+     * @throws PluginInitializationException if the start of SDC Client fails
+     */
+    private void startSdcClient() throws PluginInitializationException {
+
+        LOGGER.debug("Going to start the SDC Client...");
+        final IDistributionClientResult clientResult = distributionClient.start();
+        if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
+            changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.STOPPED);
+            final String message = "SDC client start failed with reason:" + clientResult.getDistributionMessageResult();
+            LOGGER.error(message);
+            throw new PluginInitializationException(message);
+        }
+        LOGGER.debug("SDC Client is started successfully");
+        this.changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.IDLE);
+    }
 }
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandlerStatus.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandlerStatus.java
new file mode 100644
index 00000000..d0e04c78
--- /dev/null
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandlerStatus.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.handling.sdc;
+
+/**
+ * Class to hold the possible values for status of {@link SdcReceptionHandler}.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public enum SdcReceptionHandlerStatus {
+
+    /**
+     * The SdcReceptionHandler is not alive.
+     */
+    STOPPED,
+
+    /**
+     * The SdcReceptionHandler is initialized but not started yet.
+     */
+    INIT,
+
+    /**
+     * The SdcReceptionHandler is initialized, started & ready to handle incoming notifications.
+     */
+    IDLE,
+
+    /**
+     * The SdcReceptionHandler is currently busy in handling notifications.
+     */
+    BUSY
+}
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/PssdConfigurationTest.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/TestSdcConfiguration.java
index 5c24a792..e1ba00cf 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/PssdConfigurationTest.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/TestSdcConfiguration.java
@@ -30,19 +30,20 @@ import com.google.gson.GsonBuilder;
 
 import java.io.FileReader;
 import java.io.IOException;
+import java.util.Arrays;
 
 import org.junit.Test;
 import org.onap.policy.common.parameters.GroupValidationResult;
 import org.onap.policy.distribution.reception.parameters.PssdConfigurationParametersGroup;
 
-/*-
- * Tests for PssdConfiguration class
+/**
+ * Class to perform unit test of {@link SdcConfiguration}.
  *
  */
-public class PssdConfigurationTest {
+public class TestSdcConfiguration {
 
     @Test
-    public void testPssdConfigurationParametersGroup() throws IOException {
+    public void testSdcConfiguration() throws IOException {
         PssdConfigurationParametersGroup configParameters = null;
         try {
             final Gson gson = new GsonBuilder().create();
@@ -53,13 +54,26 @@ public class PssdConfigurationTest {
         }
         final GroupValidationResult validationResult = configParameters.validate();
         assertTrue(validationResult.isValid());
-        final PssdConfiguration config = new PssdConfiguration(configParameters);
+        final SdcConfiguration config = new SdcConfiguration(configParameters);
+        assertEquals(Arrays.asList("a.com", "b.com", "c.com"), config.getMsgBusAddress());
+        assertEquals(Arrays.asList("TOSCA_CSAR", "HEAT"), config.getRelevantArtifactTypes());
+        assertEquals("localhost", config.getAsdcAddress());
+        assertEquals("policy", config.getUser());
+        assertEquals("policy", config.getPassword());
         assertEquals(20, config.getPollingInterval());
         assertEquals(30, config.getPollingTimeout());
+        assertEquals("policy-id", config.getConsumerID());
+        assertEquals("policy-group", config.getConsumerGroup());
+        assertEquals("TEST", config.getEnvironmentName());
+        assertEquals("null", config.getKeyStorePath());
+        assertEquals("null", config.getKeyStorePassword());
+        assertEquals(false, config.activateServerTLSAuth());
+        assertEquals(true, config.isFilterInEmptyResources());
+        assertEquals(false, config.isUseHttpsWithDmaap());
     }
 
     @Test
-    public void testInvalidPssdConfigurationParametersGroup() throws IOException {
+    public void testInvalidSdcConfiguration() throws IOException {
         PssdConfigurationParametersGroup configParameters = null;
         try {
             final Gson gson = new GsonBuilder().create();
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/TestSdcReceptionHandler.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/TestSdcReceptionHandler.java
new file mode 100644
index 00000000..02b83849
--- /dev/null
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/handling/sdc/TestSdcReceptionHandler.java
@@ -0,0 +1,180 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Intel. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.handling.sdc;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import java.io.FileReader;
+import java.io.IOException;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.common.parameters.ParameterService;
+import org.onap.policy.distribution.reception.decoding.PluginInitializationException;
+import org.onap.policy.distribution.reception.decoding.PluginTerminationException;
+import org.onap.policy.distribution.reception.parameters.PssdConfigurationParametersGroup;
+import org.onap.sdc.api.results.IDistributionClientResult;
+import org.onap.sdc.impl.mock.DistributionClientStubImpl;
+import org.onap.sdc.utils.DistributionActionResultEnum;
+
+/**
+ * Class to perform unit test of {@link SdcReceptionHandler}.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class TestSdcReceptionHandler {
+
+    private static final Logger LOGGER = FlexLogger.getLogger(TestSdcReceptionHandler.class);
+
+    @Mock
+    private IDistributionClientResult successfulClientInitResult;
+    @Mock
+    private IDistributionClientResult failureClientInitResult;
+    @Mock
+    private DistributionClientStubImpl distributionClient;
+
+    private PssdConfigurationParametersGroup pssdConfigParameters;
+    private SdcReceptionHandler sypHandler;
+
+    /**
+     * Setup for the test cases.
+     *
+     * @throws IOException if it occurs
+     */
+    @Before
+    public final void init() throws IOException {
+        final Gson gson = new GsonBuilder().create();
+        pssdConfigParameters = gson.fromJson(new FileReader("src/test/resources/handling-sdc.json"),
+                PssdConfigurationParametersGroup.class);
+        ParameterService.register(pssdConfigParameters);
+        final SdcReceptionHandler sdcHandler = new SdcReceptionHandler();
+        sypHandler = Mockito.spy(sdcHandler);
+        Mockito.when(sypHandler.createSdcDistributionClient()).thenReturn(distributionClient);
+        Mockito.when(distributionClient.init(any(), any())).thenReturn(successfulClientInitResult);
+        Mockito.when(distributionClient.start()).thenReturn(successfulClientInitResult);
+        Mockito.when(distributionClient.stop()).thenReturn(successfulClientInitResult);
+        Mockito.when(successfulClientInitResult.getDistributionActionResult())
+                .thenReturn(DistributionActionResultEnum.SUCCESS);
+    }
+
+    @After
+    public void teardown() {
+        ParameterService.deregister(pssdConfigParameters);
+    }
+
+    @Test
+    public final void testInitializeSdcClient() {
+        try {
+            sypHandler.initializeReception(pssdConfigParameters.getName());
+        } catch (final PluginInitializationException exp) {
+            LOGGER.error(exp);
+            fail("Test should not throw any exception");
+        }
+    }
+
+    @Test
+    public final void testInitializeSdcClient_Again() throws PluginInitializationException {
+        sypHandler.initializeReception(pssdConfigParameters.getName());
+        try {
+            sypHandler.initializeReception(pssdConfigParameters.getName());
+            fail("Test must throw an exception here");
+        } catch (final Exception exp) {
+            assertTrue(exp.getMessage().startsWith("The SDC Client is already initialized"));
+        }
+    }
+
+    @Test
+    public final void testInitializeSdcClient_Failure() throws PluginInitializationException {
+
+        Mockito.when(successfulClientInitResult.getDistributionActionResult())
+                .thenReturn(DistributionActionResultEnum.FAIL);
+        try {
+            sypHandler.initializeReception(pssdConfigParameters.getName());
+            fail("Test must throw an exception here");
+        } catch (final Exception exp) {
+            assertTrue(exp.getMessage().startsWith("SDC client initialization failed with reason"));
+        }
+    }
+
+    @Test
+    public final void testStartSdcClient_Failure() throws PluginInitializationException {
+        try {
+            Mockito.when(distributionClient.start()).thenReturn(failureClientInitResult);
+            Mockito.when(failureClientInitResult.getDistributionActionResult())
+                    .thenReturn(DistributionActionResultEnum.FAIL);
+            sypHandler.initializeReception(pssdConfigParameters.getName());
+
+            fail("Test must throw an exception here");
+        } catch (final Exception exp) {
+            assertTrue(exp.getMessage().startsWith("SDC client start failed with reason"));
+        }
+    }
+
+    @Test
+    public final void testStopSdcClient() {
+        try {
+            sypHandler.initializeReception(pssdConfigParameters.getName());
+            sypHandler.destroy();
+        } catch (final PluginInitializationException | PluginTerminationException exp) {
+            LOGGER.error(exp);
+            fail("Test should not throw any exception");
+        }
+
+    }
+
+    @Test
+    public final void testStopSdcClientWithoutStart() {
+        try {
+            sypHandler.destroy();
+        } catch (final PluginTerminationException exp) {
+            LOGGER.error(exp);
+            fail("Test should not throw any exception");
+        }
+
+    }
+
+    @Test
+    public final void testStopSdcClient_Failure() throws PluginInitializationException {
+
+        sypHandler.initializeReception(pssdConfigParameters.getName());
+        Mockito.when(successfulClientInitResult.getDistributionActionResult())
+                .thenReturn(DistributionActionResultEnum.FAIL);
+        try {
+            sypHandler.destroy();
+            fail("Test must throw an exception here");
+        } catch (final Exception exp) {
+            assertTrue(exp.getMessage().startsWith("SDC client stop failed with reason"));
+        }
+    }
+}
diff --git a/plugins/reception-plugins/src/test/resources/handling-sdc.json b/plugins/reception-plugins/src/test/resources/handling-sdc.json
index c1ca23aa..b9e63fe0 100644
--- a/plugins/reception-plugins/src/test/resources/handling-sdc.json
+++ b/plugins/reception-plugins/src/test/resources/handling-sdc.json
@@ -6,8 +6,8 @@
         "b.com",
         "c.com"
     ],
-    "user": "tbdsdc-1480",
-    "password": "tbdsdc-1480",
+    "user": "policy",
+    "password": "policy",
     "pollingInterval":20,
     "pollingTimeout":30,
     "consumerId": "policy-id",
@@ -16,7 +16,7 @@
         "HEAT"
     ],
     "consumerGroup": "policy-group",
-    "environmentName": "environmentName",
+    "environmentName": "TEST",
     "keystorePath": "null",
     "keystorePassword": "null",
     "activeserverTlsAuth": false,
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/decoding/PluginTerminationException.java b/reception/src/main/java/org/onap/policy/distribution/reception/decoding/PluginTerminationException.java
new file mode 100644
index 00000000..be9f51cb
--- /dev/null
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/decoding/PluginTerminationException.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.decoding;
+
+/**
+ * This exception will be called if an error occurs while terminating distribution plugins.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class PluginTerminationException extends Exception {
+
+    private static final long serialVersionUID = 3809376274411309160L;
+
+    /**
+     * Construct an instance with the given message.
+     *
+     * @param message the error message
+     */
+    public PluginTerminationException(final String message) {
+        super(message);
+    }
+
+    /**
+     * Construct an instance with the given message and cause.
+     *
+     * @param message the error message
+     * @param cause the cause
+     */
+    public PluginTerminationException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+
+}
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java b/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java
index b189a2ab..a9d76a01 100644
--- a/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java
@@ -54,7 +54,7 @@ public abstract class AbstractReceptionHandler implements ReceptionHandler {
         final ReceptionHandlerParameters receptionHandlerParameters =
                 (ReceptionHandlerParameters) ParameterService.get(parameterGroupName);
         pluginHandler = new PluginHandler(receptionHandlerParameters.getPluginHandlerParameters().getName());
-        initializeReception(parameterGroupName);
+        initializeReception(receptionHandlerParameters.getPssdConfigurationParametersGroup().getName());
     }
 
     /**
@@ -62,8 +62,9 @@ public abstract class AbstractReceptionHandler implements ReceptionHandler {
      * example setting up subscriptions.
      *
      * @param parameterGroupName the parameter group name
+     * @throws PluginInitializationException if initialization of reception handler fails
      */
-    protected abstract void initializeReception(String parameterGroupName);
+    protected abstract void initializeReception(String parameterGroupName) throws PluginInitializationException;
 
     /**
      * Handle input that has been received. The given input shall be decoded using the {@link PolicyDecoder}s configured
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/handling/ReceptionHandler.java b/reception/src/main/java/org/onap/policy/distribution/reception/handling/ReceptionHandler.java
index 5fcfb9c0..3678c69c 100644
--- a/reception/src/main/java/org/onap/policy/distribution/reception/handling/ReceptionHandler.java
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/handling/ReceptionHandler.java
@@ -21,6 +21,7 @@
 package org.onap.policy.distribution.reception.handling;
 
 import org.onap.policy.distribution.reception.decoding.PluginInitializationException;
+import org.onap.policy.distribution.reception.decoding.PluginTerminationException;
 
 /**
  * Handles input into Policy Distribution which may be decoded into a Policy.
@@ -37,7 +38,9 @@ public interface ReceptionHandler {
 
     /**
      * Destroy the reception handler, removing any subscriptions and releasing all resources.
+     *
+     * @throws PluginTerminationException if it occurs
      */
-    void destroy();
+    void destroy() throws PluginTerminationException;
 
 }
diff --git a/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PolicyInitializationExceptionTest.java b/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PluginInitializationExceptionTest.java
index bf327554..b63e6677 100644
--- a/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PolicyInitializationExceptionTest.java
+++ b/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PluginInitializationExceptionTest.java
@@ -25,26 +25,26 @@ import static org.junit.Assert.assertEquals;
 import org.junit.Test;
 
 /**
- * Class to perform unit test of PluginInitializationException.
+ * Class to perform unit test of {@link PluginInitializationException}.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
  */
-public class PolicyInitializationExceptionTest {
+public class PluginInitializationExceptionTest {
 
     @Test
-    public void testPolicyInitializationExceptionString() {
-        final PluginInitializationException policyInitializationException =
+    public void testPluginInitializationExceptionString() {
+        final PluginInitializationException pluginInitializationException =
                 new PluginInitializationException("error message");
-        assertEquals("error message", policyInitializationException.getMessage());
+        assertEquals("error message", pluginInitializationException.getMessage());
     }
 
     @Test
-    public void testPolicyInitializationExceptionStringThrowable() {
+    public void testPluginInitializationExceptionStringThrowable() {
         final Exception cause = new IllegalArgumentException();
-        final PluginInitializationException policyInitializationException =
+        final PluginInitializationException pluginInitializationException =
                 new PluginInitializationException("error message", cause);
-        assertEquals("error message", policyInitializationException.getMessage());
-        assertEquals(cause, policyInitializationException.getCause());
+        assertEquals("error message", pluginInitializationException.getMessage());
+        assertEquals(cause, pluginInitializationException.getCause());
     }
 
 }
diff --git a/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PluginTerminationExceptionTest.java b/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PluginTerminationExceptionTest.java
new file mode 100644
index 00000000..b450e32b
--- /dev/null
+++ b/reception/src/test/java/org/onap/policy/distribution/reception/decoding/PluginTerminationExceptionTest.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.decoding;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+/**
+ * Class to perform unit test of {@link PluginTerminationException}
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class PluginTerminationExceptionTest {
+
+    @Test
+    public void testPluginTerminationExceptionString() {
+        final PluginTerminationException pluginTerminationException = new PluginTerminationException("error message");
+        assertEquals("error message", pluginTerminationException.getMessage());
+    }
+
+    @Test
+    public void testPluginTerminationExceptionStringThrowable() {
+        final Exception cause = new IllegalArgumentException();
+        final PluginTerminationException pluginTerminationException =
+                new PluginTerminationException("error message", cause);
+        assertEquals("error message", pluginTerminationException.getMessage());
+        assertEquals(cause, pluginTerminationException.getCause());
+    }
+
+}