1 files changed, 308 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
new file mode 100644
index 00000000..5b4cfd42
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSinkFactory.java
@@ -0,0 +1,308 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * policy-endpoints
+ * ================================================================================
+ * Copyright (C) 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.policy.drools.event.comm.bus;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Properties;
+
+import org.openecomp.policy.drools.event.comm.bus.internal.InlineDmaapTopicSink;
+import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
+import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.openecomp.policy.drools.properties.PolicyProperties;
+
+/**
+ * DMAAP Topic Sink Factory
+ */
+public interface DmaapTopicSinkFactory {
+	
+	/**
+	 * Instantiates a new DMAAP Topic Sink
+	 * 
+	 * @param servers list of servers
+	 * @param topic topic name
+	 * @param apiKey API Key
+	 * @param apiSecret API Secret
+	 * @param userName AAF user name
+	 * @param password AAF password
+	 * @param partitionKey Consumer Group
+	 * @param managed is this sink endpoint managed?
+	 * 
+	 * @return an DMAAP Topic Sink
+	 * @throws IllegalArgumentException if invalid parameters are present
+	 */
+	public DmaapTopicSink build(List<String> servers, 
+								String topic, 
+								String apiKey, 
+								String apiSecret,
+								String userName,
+								String password,
+								String partitionKey,
+								boolean managed)
+			throws IllegalArgumentException;
+	
+	/**
+	 * Creates an DMAAP Topic Sink based on properties files
+	 * 
+	 * @param properties Properties containing initialization values
+	 * 
+	 * @return an DMAAP Topic Sink
+	 * @throws IllegalArgumentException if invalid parameters are present
+	 */
+	public List<DmaapTopicSink> build(Properties properties)
+			throws IllegalArgumentException;
+	
+	/**
+	 * Instantiates a new DMAAP Topic Sink
+	 * 
+	 * @param servers list of servers
+	 * @param topic topic name
+	 * 
+	 * @return an DMAAP Topic Sink
+	 * @throws IllegalArgumentException if invalid parameters are present
+	 */
+	public DmaapTopicSink build(List<String> servers, String topic)
+			throws IllegalArgumentException;
+	
+	/**
+	 * Destroys an DMAAP Topic Sink based on a topic
+	 * 
+	 * @param topic topic name
+	 * @throws IllegalArgumentException if invalid parameters are present
+	 */
+	public void destroy(String topic);
+
+	/**
+	 * gets an DMAAP Topic Sink based on topic name
+	 * @param topic the topic name
+	 * 
+	 * @return an DMAAP Topic Sink with topic name
+	 * @throws IllegalArgumentException if an invalid topic is provided
+	 * @throws IllegalStateException if the DMAAP Topic Reader is 
+	 * an incorrect state
+	 */
+	public DmaapTopicSink get(String topic)
+			   throws IllegalArgumentException, IllegalStateException;
+	
+	/**
+	 * Provides a snapshot of the DMAAP Topic Sinks
+	 * @return a list of the DMAAP Topic Sinks
+	 */
+	public List<DmaapTopicSink> inventory();
+
+	/**
+	 * Destroys all DMAAP Topic Sinks
+	 */
+	public void destroy();
+}
+
+/* ------------- implementation ----------------- */
+
+/**
+ * Factory of DMAAP Reader Topics indexed by topic name
+ */
+class IndexedDmaapTopicSinkFactory implements DmaapTopicSinkFactory {
+	// get an instance of logger 
+	private static Logger  logger = FlexLogger.getLogger(IndexedDmaapTopicSinkFactory.class);	
+	
+	/**
+	 * DMAAP Topic Name Index
+	 */
+	protected HashMap<String, DmaapTopicSink> dmaapTopicWriters =
+			new HashMap<String, DmaapTopicSink>();
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public DmaapTopicSink build(List<String> servers, 
+								String topic, 
+								String apiKey, 
+								String apiSecret,
+								String userName,
+								String password,
+								String partitionKey,
+								boolean managed) 
+			throws IllegalArgumentException {
+		
+		if (topic == null || topic.isEmpty()) {
+			throw new IllegalArgumentException("A topic must be provided");
+		}
+		
+		synchronized (this) {
+			if (dmaapTopicWriters.containsKey(topic)) {
+				return dmaapTopicWriters.get(topic);
+			}
+			
+			DmaapTopicSink dmaapTopicSink = 
+					new InlineDmaapTopicSink(servers, topic, 
+										     apiKey, apiSecret,
+										     userName, password,
+										     partitionKey);
+			
+			if (managed)
+				dmaapTopicWriters.put(topic, dmaapTopicSink);
+			return dmaapTopicSink;
+		}
+	}
+	
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public DmaapTopicSink build(List<String> servers, String topic) throws IllegalArgumentException {
+		return this.build(servers, topic, null, null, null, null, null, true);
+	}
+	
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public List<DmaapTopicSink> build(Properties properties) throws IllegalArgumentException {
+		
+		String writeTopics = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS);
+		if (writeTopics == null || writeTopics.isEmpty()) {
+			logger.warn("No topic for DMAAP Sink " + properties);
+			return new ArrayList<DmaapTopicSink>();
+		}
+		List<String> writeTopicList = new ArrayList<String>(Arrays.asList(writeTopics.split("\\s*,\\s*")));
+		
+		synchronized(this) {
+			List<DmaapTopicSink> dmaapTopicWriters = new ArrayList<DmaapTopicSink>();
+			for (String topic: writeTopicList) {
+				
+				String servers = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + "." + 
+				                                        topic + 
+				                                        PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
+				if (servers == null || servers.isEmpty()) {
+					logger.error("No DMAAP servers provided in " + properties);
+					continue;
+				}
+				
+				List<String> serverList = new ArrayList<String>(Arrays.asList(servers.split("\\s*,\\s*")));
+				
+				String apiKey = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + 
+						                               "." + topic + 
+						                               PolicyProperties.PROPERTY_TOPIC_API_KEY_SUFFIX);		 
+				String apiSecret = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + 
+                                                          "." + topic + 
+                                                          PolicyProperties.PROPERTY_TOPIC_API_SECRET_SUFFIX);
+				
+				String aafMechId = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + 
+                                                          "." + topic + 
+                                                          PolicyProperties.PROPERTY_TOPIC_AAF_MECHID_SUFFIX);
+				String aafPassword = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + 
+         				                                    "." + topic + 
+         				                                    PolicyProperties.PROPERTY_TOPIC_AAF_PASSWORD_SUFFIX);
+				
+				String partitionKey = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + 
+                                                             "." + topic + 
+                                                             PolicyProperties.PROPERTY_TOPIC_SINK_PARTITION_KEY_SUFFIX);
+				
+				String managedString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SINK_TOPICS + "." + topic +
+						                                      PolicyProperties.PROPERTY_MANAGED_SUFFIX);
+				boolean managed = true;
+				if (managedString != null && !managedString.isEmpty()) {
+					managed = Boolean.parseBoolean(managedString);
+				}
+				
+				DmaapTopicSink dmaapTopicSink = this.build(serverList, topic, 
+						   						           apiKey, apiSecret, aafMechId, aafPassword,
+						   						           partitionKey, managed);
+				dmaapTopicWriters.add(dmaapTopicSink);
+			}
+			return dmaapTopicWriters;
+		}
+	}
+	
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public void destroy(String topic) 
+		   throws IllegalArgumentException {
+		
+		if (topic == null || topic.isEmpty()) {
+			throw new IllegalArgumentException("A topic must be provided");
+		}
+		
+		DmaapTopicSink dmaapTopicWriter;
+		synchronized(this) {
+			if (!dmaapTopicWriters.containsKey(topic)) {
+				return;
+			}
+			
+			dmaapTopicWriter = dmaapTopicWriters.remove(topic);
+		}
+		
+		dmaapTopicWriter.shutdown();
+	}
+	
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public void destroy() {
+		List<DmaapTopicSink> writers = this.inventory();
+		for (DmaapTopicSink writer: writers) {
+			writer.shutdown();
+		}
+		
+		synchronized(this) {
+			this.dmaapTopicWriters.clear();
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public DmaapTopicSink get(String topic) 
+			throws IllegalArgumentException, IllegalStateException {
+		
+		if (topic == null || topic.isEmpty()) {
+			throw new IllegalArgumentException("A topic must be provided");
+		}
+		
+		synchronized(this) {
+			if (dmaapTopicWriters.containsKey(topic)) {
+				return dmaapTopicWriters.get(topic);
+			} else {
+				throw new IllegalStateException("DmaapTopicSink for " + topic + " not found");
+			}
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public synchronized List<DmaapTopicSink> inventory() {
+		 List<DmaapTopicSink> writers = 
+				 new ArrayList<DmaapTopicSink>(this.dmaapTopicWriters.values());
+		 return writers;
+	}
+	
+}