1 files changed, 73 insertions, 0 deletions
diff --git a/dcae-analytics-cdap-plugins/src/main/java/org/onap/dcae/apod/analytics/cdap/plugins/streaming/dmaap/MockDMaaPMRSource.java b/dcae-analytics-cdap-plugins/src/main/java/org/onap/dcae/apod/analytics/cdap/plugins/streaming/dmaap/MockDMaaPMRSource.java
new file mode 100644
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--- /dev/null
+++ b/dcae-analytics-cdap-plugins/src/main/java/org/onap/dcae/apod/analytics/cdap/plugins/streaming/dmaap/MockDMaaPMRSource.java
@@ -0,0 +1,73 @@
+/*
+ * ===============================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.onap.dcae.apod.analytics.cdap.plugins.streaming.dmaap;
+
+import co.cask.cdap.api.annotation.Description;
+import co.cask.cdap.api.annotation.Name;
+import co.cask.cdap.api.annotation.Plugin;
+import co.cask.cdap.api.data.format.StructuredRecord;
+import co.cask.cdap.etl.api.PipelineConfigurer;
+import co.cask.cdap.etl.api.streaming.StreamingContext;
+import co.cask.cdap.etl.api.streaming.StreamingSource;
+import org.apache.spark.storage.StorageLevel;
+import org.apache.spark.streaming.api.java.JavaDStream;
+import org.onap.dcae.apod.analytics.cdap.common.exception.CDAPSettingsException;
+import org.onap.dcae.apod.analytics.cdap.plugins.domain.config.dmaap.DMaaPMRSourcePluginConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A mock implementation of DMaaP MR Receiver which sends mock ves messages
+ * <p>
+ * @author Rajiv Singla . Creation Date: 2/15/2017.
+ */
+@Plugin(type = StreamingSource.PLUGIN_TYPE)
+@Name("MockDMaaPMRSource")
+@Description("Fetches DMaaP MR Messages at regular intervals")
+public class MockDMaaPMRSource extends StreamingSource<StructuredRecord> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(MockDMaaPMRSource.class);
+    private static final long serialVersionUID = 1L;
+
+    private final DMaaPMRSourcePluginConfig pluginConfig;
+
+    public MockDMaaPMRSource(final DMaaPMRSourcePluginConfig pluginConfig) {
+        LOG.debug("Creating DMaaP MR Source plugin with plugin Config: {}", pluginConfig);
+        this.pluginConfig = pluginConfig;
+    }
+
+    @Override
+    public void configurePipeline(PipelineConfigurer pipelineConfigurer) {
+        final Integer pollingInterval = pluginConfig.getPollingInterval();
+        if (pollingInterval == null) {
+            final String errorMessage = "Polling Interval field must be present";
+            throw new CDAPSettingsException(errorMessage, LOG, new IllegalArgumentException(errorMessage));
+        } else {
+            LOG.info("Mock Message will be send every ms: {}", pollingInterval);
+        }
+    }
+
+    @Override
+    public JavaDStream<StructuredRecord> getStream(final StreamingContext streamingContext) throws Exception {
+        return streamingContext.getSparkStreamingContext().receiverStream(
+                new MockDMaaPMRReceiver(StorageLevel.MEMORY_ONLY(), pluginConfig));
+    }
+}