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diff --git a/dcae-analytics-cdap-tca/src/main/java/org/openecomp/dcae/apod/analytics/cdap/tca/worker/TCADMaaPMockSubscriberWorker.java b/dcae-analytics-cdap-tca/src/main/java/org/openecomp/dcae/apod/analytics/cdap/tca/worker/TCADMaaPMockSubscriberWorker.java
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+++ b/dcae-analytics-cdap-tca/src/main/java/org/openecomp/dcae/apod/analytics/cdap/tca/worker/TCADMaaPMockSubscriberWorker.java
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+/*
+ * ===============================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.cdap.tca.worker;
+
+import co.cask.cdap.api.annotation.Property;
+import co.cask.cdap.api.worker.AbstractWorker;
+import co.cask.cdap.api.worker.WorkerContext;
+import com.fasterxml.jackson.core.type.TypeReference;
+import org.openecomp.dcae.apod.analytics.cdap.tca.settings.TCAAppPreferences;
+import org.openecomp.dcae.apod.analytics.cdap.tca.utils.CDAPTCAUtils;
+import org.openecomp.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
+import org.openecomp.dcae.apod.analytics.model.domain.cef.EventListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+import static org.openecomp.dcae.apod.analytics.tca.utils.TCAUtils.readValue;
+import static org.openecomp.dcae.apod.analytics.tca.utils.TCAUtils.writeValueAsString;
+
+/**
+ * CDAP Worker which mocks fetching VES Messages from DMaaP MR topic.
+ * The mock instead of making DMaaP MR calls will actually take messages
+ * from file and send them to stream at subscriber polling interval
+ *
+ * TODO: To be removed before going to production - only for testing purposes
+ *
+ * @author Rajiv Singla . Creation Date: 11/4/2016.
+ */
+public class TCADMaaPMockSubscriberWorker extends AbstractWorker {
+
+ private static final Logger LOG = LoggerFactory.getLogger(TCADMaaPMockSubscriberWorker.class);
+
+ // TODO: Remove this file before going to production - only for mocking purposes
+ private static final String MOCK_MESSAGE_FILE_LOCATION = "ves_mock_messages.json";
+ private static final TypeReference<List<EventListener>> EVENT_LISTENER_TYPE_REFERENCE =
+ new TypeReference<List<EventListener>>() {
+ };
+
+ private TCAAppPreferences tcaAppPreferences;
+ private boolean stopSendingMessages;
+ @Property
+ private final String tcaSubscriberOutputStreamName;
+
+ public TCADMaaPMockSubscriberWorker(final String tcaSubscriberOutputStreamName) {
+ this.tcaSubscriberOutputStreamName = tcaSubscriberOutputStreamName;
+ }
+
+ @Override
+ public void configure() {
+ setName("MockTCASubscriberWorker");
+ setDescription("Writes Mocked VES messages to CDAP Stream");
+ LOG.info("Configuring Mock TCA MR DMaaP Subscriber worker with name: {}", "MockTCASubscriberWorker");
+ }
+
+ @Override
+ public void initialize(WorkerContext context) throws Exception {
+ super.initialize(context);
+
+ final TCAAppPreferences appPreferences = CDAPTCAUtils.getValidatedTCAAppPreferences(context);
+ LOG.info("Initializing Mock TCA MR DMaaP Subscriber worker with preferences: {}", appPreferences);
+ this.tcaAppPreferences = appPreferences;
+ this.stopSendingMessages = false;
+ }
+
+
+ @Override
+ public void run() {
+ final Integer subscriberPollingInterval = tcaAppPreferences.getSubscriberPollingInterval();
+ LOG.debug("Mock TCA Subscriber Polling interval: {}", subscriberPollingInterval);
+
+ final InputStream resourceAsStream = Thread.currentThread().getContextClassLoader().getResourceAsStream
+ (MOCK_MESSAGE_FILE_LOCATION);
+
+ if (resourceAsStream == null) {
+ LOG.error("Unable to find file at location: {}", MOCK_MESSAGE_FILE_LOCATION);
+ throw new DCAEAnalyticsRuntimeException("Unable to find file", LOG, new FileNotFoundException());
+ }
+
+
+ try {
+ List<EventListener> eventListeners = readValue(resourceAsStream, EVENT_LISTENER_TYPE_REFERENCE);
+
+ final int totalMessageCount = eventListeners.size();
+ LOG.debug("Mock message count to be written to cdap stream: ()", totalMessageCount);
+
+ int i = 1;
+ for (EventListener eventListener : eventListeners) {
+ if (stopSendingMessages) {
+ LOG.debug("Stop sending messages......");
+ break;
+ }
+ final String eventListenerString = writeValueAsString(eventListener);
+ LOG.debug("=======>> Writing message to cdap stream no: {} of {}", i, totalMessageCount);
+ getContext().write(tcaSubscriberOutputStreamName, eventListenerString);
+ i++;
+
+ try {
+ Thread.sleep(subscriberPollingInterval);
+ } catch (InterruptedException e) {
+ LOG.error("Error while sleeping");
+ throw new DCAEAnalyticsRuntimeException("Error while sleeping", LOG, e);
+ }
+ }
+
+ LOG.debug("Finished writing mock messages to CDAP Stream");
+
+ } catch (IOException e) {
+ LOG.error("Error while parsing json file");
+ throw new DCAEAnalyticsRuntimeException("Error while parsing mock json file", LOG, e);
+ }
+
+
+ }
+
+ @Override
+ public void stop() {
+ stopSendingMessages = true;
+ }
+}