1 files changed, 146 insertions, 0 deletions
diff --git a/dcae-analytics-cdap-tca/src/main/java/org/openecomp/dcae/apod/analytics/cdap/tca/worker/TCADMaaPPublisherWorker.java b/dcae-analytics-cdap-tca/src/main/java/org/openecomp/dcae/apod/analytics/cdap/tca/worker/TCADMaaPPublisherWorker.java
new file mode 100644
index 0000000..90e458a
--- /dev/null
+++ b/dcae-analytics-cdap-tca/src/main/java/org/openecomp/dcae/apod/analytics/cdap/tca/worker/TCADMaaPPublisherWorker.java
@@ -0,0 +1,146 @@
+/*
+ * ===============================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.metrics.Metrics;
+import co.cask.cdap.api.worker.WorkerContext;
+import org.openecomp.dcae.apod.analytics.cdap.common.CDAPComponentsConstants;
+import org.openecomp.dcae.apod.analytics.cdap.tca.settings.TCAAppPreferences;
+import org.openecomp.dcae.apod.analytics.cdap.tca.utils.AppPreferencesToPublisherConfigMapper;
+import org.openecomp.dcae.apod.analytics.cdap.tca.utils.CDAPTCAUtils;
+import org.openecomp.dcae.apod.analytics.common.AnalyticsConstants;
+import org.openecomp.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
+import org.openecomp.dcae.apod.analytics.dmaap.DMaaPMRFactory;
+import org.openecomp.dcae.apod.analytics.dmaap.domain.config.DMaaPMRPublisherConfig;
+import org.openecomp.dcae.apod.analytics.dmaap.service.publisher.DMaaPMRPublisher;
+import org.openecomp.dcae.apod.analytics.tca.utils.TCAUtils;
+import org.quartz.JobDataMap;
+import org.quartz.SchedulerException;
+import org.quartz.impl.StdSchedulerFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import static java.lang.String.format;
+
+/**
+ * TCA DMaaP Publisher will monitor alerts table at regular intervals and publish any alerts to DMaaP MR Publishing
+ * Topic
+ * <p>
+ * @author Rajiv Singla . Creation Date: 11/16/2016.
+ */
+public class TCADMaaPPublisherWorker extends BaseTCADMaaPMRWorker {
+
+    private static final Logger LOG = LoggerFactory.getLogger(TCADMaaPPublisherWorker.class);
+
+    private DMaaPMRPublisher publisher;
+    private Metrics metrics;
+    @Property
+    private final String tcaVESAlertsTableName;
+
+    public TCADMaaPPublisherWorker(final String tcaVESAlertsTableName) {
+        this.tcaVESAlertsTableName = tcaVESAlertsTableName;
+    }
+
+    @Override
+    public void configure() {
+        setName(CDAPComponentsConstants.TCA_FIXED_DMAAP_PUBLISHER_WORKER);
+        setDescription(CDAPComponentsConstants.TCA_FIXED_DMAAP_PUBLISHER_DESCRIPTION_WORKER);
+        LOG.debug("Configuring TCA MR DMaaP Publisher worker with name: {}",
+                CDAPComponentsConstants.TCA_FIXED_DMAAP_PUBLISHER_WORKER);
+    }
+
+
+    @Override
+    public void initialize(WorkerContext context) throws Exception {
+        super.initialize(context);
+
+        // Parse runtime arguments
+        final TCAAppPreferences tcaAppPreferences = CDAPTCAUtils.getValidatedTCAAppPreferences(context);
+
+        LOG.info("Initializing TCA MR DMaaP Publisher worker with preferences: {}", tcaAppPreferences);
+
+        //  Map TCA App Preferences to DMaaP MR Publisher Config
+        final DMaaPMRPublisherConfig publisherConfig = AppPreferencesToPublisherConfigMapper.map(tcaAppPreferences);
+
+        LOG.info("TCA DMaaP MR Publisher worker will be polling TCA Alerts Table Name: {}", tcaVESAlertsTableName);
+
+        // Create an instance of DMaaP MR Publisher
+        LOG.debug("Creating an instance of DMaaP Publisher");
+        publisher = DMaaPMRFactory.create().createPublisher(publisherConfig);
+
+        // initialize a new Quartz scheduler
+        initializeScheduler(tcaAppPreferences, new StdSchedulerFactory());
+
+        // initialize scheduler state
+        isSchedulerShutdown = new AtomicBoolean(true);
+    }
+
+
+    /**
+     * Stop DMaaP Publisher
+     */
+    @Override
+    public void stop() {
+        // Close Publisher - which will flush any batch messages if present in batch queue
+        if (publisher != null) {
+            try {
+                publisher.close();
+            } catch (Exception e) {
+                final String errorMessage = format("Error while shutting down DMaaP MR Publisher: %s", e);
+                throw new DCAEAnalyticsRuntimeException(errorMessage, LOG, e);
+            }
+        }
+        // Shut down scheduler
+        super.stop();
+    }
+
+
+    /**
+     * Initializes a scheduler instance for DMaaP MR Publisher Job
+     *
+     * @throws SchedulerException SchedulerException
+     */
+    private void initializeScheduler(final TCAAppPreferences tcaAnalyticsAppConfig,
+                                     final StdSchedulerFactory stdSchedulerFactory) throws SchedulerException {
+
+        // Get Publisher polling interval
+        final Integer publisherPollingInterval = tcaAnalyticsAppConfig.getPublisherPollingInterval();
+
+        // Publisher Quartz Properties file
+        final String quartzPublisherPropertiesFileName = AnalyticsConstants.TCA_QUARTZ_PUBLISHER_PROPERTIES_FILE_NAME;
+
+        // Create a new JobDataMap containing information required by TCA DMaaP Publisher Job
+        final JobDataMap jobDataMap = new JobDataMap();
+        jobDataMap.put(AnalyticsConstants.CDAP_ALERTS_TABLE_VARIABLE_NAME, tcaVESAlertsTableName);
+        jobDataMap.put(AnalyticsConstants.WORKER_CONTEXT_VARIABLE_NAME, getContext());
+        jobDataMap.put(AnalyticsConstants.DMAAP_PUBLISHER_VARIABLE_NAME, publisher);
+        jobDataMap.put(AnalyticsConstants.DMAAP_METRICS_VARIABLE_NAME, metrics);
+
+        // Create new publisher scheduler
+        scheduler = TCAUtils.createQuartzScheduler(publisherPollingInterval, stdSchedulerFactory,
+                quartzPublisherPropertiesFileName, jobDataMap, TCADMaaPMRPublisherJob.class,
+                AnalyticsConstants.TCA_DMAAP_PUBLISHER_QUARTZ_JOB_NAME,
+                AnalyticsConstants.TCA_DMAAP_PUBLISHER_QUARTZ_TRIGGER_NAME);
+    }
+}