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diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java
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+++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/DmaapTopicSourceFactory.java
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+/*-
+ * ============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.SingleThreadedDmaapTopicSource;
+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 Source Factory
+ */
+public interface DmaapTopicSourceFactory {
+
+ /**
+ * Creates an DMAAP Topic Source based on properties files
+ *
+ * @param properties Properties containing initialization values
+ *
+ * @return an DMAAP Topic Source
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public List<DmaapTopicSource> build(Properties properties)
+ throws IllegalArgumentException;
+
+ /**
+ * Instantiates a new DMAAP Topic Source
+ *
+ * @param servers list of servers
+ * @param topic topic name
+ * @param apiKey API Key
+ * @param apiSecret API Secret
+ * @param userName user name
+ * @param password password
+ * @param consumerGroup Consumer Group
+ * @param consumerInstance Consumer Instance
+ * @param fetchTimeout Read Fetch Timeout
+ * @param fetchLimit Fetch Limit
+ * @param managed is this endpoind managed?
+ *
+ * @return an DMAAP Topic Source
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public DmaapTopicSource build(List<String> servers,
+ String topic,
+ String apiKey,
+ String apiSecret,
+ String userName,
+ String password,
+ String consumerGroup,
+ String consumerInstance,
+ int fetchTimeout,
+ int fetchLimit,
+ boolean managed)
+ throws IllegalArgumentException;
+
+ /**
+ * Instantiates a new DMAAP Topic Source
+ *
+ * @param servers list of servers
+ * @param topic topic name
+ * @param apiKey API Key
+ * @param apiSecret API Secret
+ *
+ * @return an DMAAP Topic Source
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public DmaapTopicSource build(List<String> servers,
+ String topic,
+ String apiKey,
+ String apiSecret)
+ throws IllegalArgumentException;
+
+ /**
+ * Instantiates a new DMAAP Topic Source
+ *
+ * @param uebTopicReaderType Implementation type
+ * @param servers list of servers
+ * @param topic topic name
+ *
+ * @return an DMAAP Topic Source
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public DmaapTopicSource build(List<String> servers,
+ String topic)
+ throws IllegalArgumentException;
+
+ /**
+ * Destroys an DMAAP Topic Source based on a topic
+ *
+ * @param topic topic name
+ * @throws IllegalArgumentException if invalid parameters are present
+ */
+ public void destroy(String topic);
+
+ /**
+ * Destroys all DMAAP Topic Sources
+ */
+ public void destroy();
+
+ /**
+ * gets an DMAAP Topic Source based on topic name
+ * @param topic the topic name
+ * @return an DMAAP Topic Source with topic name
+ * @throws IllegalArgumentException if an invalid topic is provided
+ * @throws IllegalStateException if the DMAAP Topic Source is
+ * an incorrect state
+ */
+ public DmaapTopicSource get(String topic)
+ throws IllegalArgumentException, IllegalStateException;
+
+ /**
+ * Provides a snapshot of the DMAAP Topic Sources
+ * @return a list of the DMAAP Topic Sources
+ */
+ public List<DmaapTopicSource> inventory();
+}
+
+
+/* ------------- implementation ----------------- */
+
+/**
+ * Factory of DMAAP Source Topics indexed by topic name
+ */
+
+class IndexedDmaapTopicSourceFactory implements DmaapTopicSourceFactory {
+ // get an instance of logger
+ private static Logger logger = FlexLogger.getLogger(IndexedDmaapTopicSourceFactory.class);
+ /**
+ * UEB Topic Name Index
+ */
+ protected HashMap<String, DmaapTopicSource> dmaapTopicSources =
+ new HashMap<String, DmaapTopicSource>();
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public DmaapTopicSource build(List<String> servers,
+ String topic,
+ String apiKey,
+ String apiSecret,
+ String userName,
+ String password,
+ String consumerGroup,
+ String consumerInstance,
+ int fetchTimeout,
+ int fetchLimit,
+ boolean managed)
+ throws IllegalArgumentException {
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException("A topic must be provided");
+ }
+
+ synchronized(this) {
+ if (dmaapTopicSources.containsKey(topic)) {
+ return dmaapTopicSources.get(topic);
+ }
+
+ DmaapTopicSource dmaapTopicSource =
+ new SingleThreadedDmaapTopicSource(servers, topic,
+ apiKey, apiSecret, userName, password,
+ consumerGroup, consumerInstance,
+ fetchTimeout, fetchLimit);
+
+ if (managed)
+ dmaapTopicSources.put(topic, dmaapTopicSource);
+
+ return dmaapTopicSource;
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<DmaapTopicSource> build(Properties properties)
+ throws IllegalArgumentException {
+
+ String readTopics = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS);
+ if (readTopics == null || readTopics.isEmpty()) {
+ logger.warn("No topic for UEB Source " + properties);
+ return new ArrayList<DmaapTopicSource>();
+ }
+ List<String> readTopicList = new ArrayList<String>(Arrays.asList(readTopics.split("\\s*,\\s*")));
+
+ List<DmaapTopicSource> dmaapTopicSource_s = new ArrayList<DmaapTopicSource>();
+ synchronized(this) {
+ for (String topic: readTopicList) {
+
+ String servers = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS + "." +
+ topic +
+ PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX);
+
+ if (servers == null || servers.isEmpty()) {
+ logger.error("No UEB servers provided in " + properties);
+ continue;
+ }
+
+ List<String> serverList = new ArrayList<String>(Arrays.asList(servers.split("\\s*,\\s*")));
+
+ String apiKey = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_API_KEY_SUFFIX);
+
+ String apiSecret = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_API_SECRET_SUFFIX);
+
+ String aafMechId = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_AAF_MECHID_SUFFIX);
+
+ String aafPassword = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_AAF_PASSWORD_SUFFIX);
+
+ String consumerGroup = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_SOURCE_CONSUMER_GROUP_SUFFIX);
+
+ String consumerInstance = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_SOURCE_CONSUMER_INSTANCE_SUFFIX);
+
+ String fetchTimeoutString = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_SOURCE_FETCH_TIMEOUT_SUFFIX);
+ int fetchTimeout = DmaapTopicSource.DEFAULT_TIMEOUT_MS_FETCH;
+ if (fetchTimeoutString != null && !fetchTimeoutString.isEmpty()) {
+ try {
+ fetchTimeout = Integer.parseInt(fetchTimeoutString);
+ } catch (NumberFormatException nfe) {
+ logger.warn("Fetch Timeout in invalid format for topic " + topic + ": " + fetchTimeoutString);
+ }
+ }
+
+ String fetchLimitString = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_TOPIC_SOURCE_FETCH_TIMEOUT_SUFFIX);
+ int fetchLimit = DmaapTopicSource.DEFAULT_LIMIT_FETCH;
+ if (fetchLimitString != null && !fetchLimitString.isEmpty()) {
+ try {
+ fetchLimit = Integer.parseInt(fetchLimitString);
+ } catch (NumberFormatException nfe) {
+ logger.warn("Fetch Limit in invalid format for topic " + topic + ": " + fetchLimitString);
+ }
+ }
+
+ String managedString = properties.getProperty(PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+ "." + topic +
+ PolicyProperties.PROPERTY_MANAGED_SUFFIX);
+ boolean managed = true;
+ if (managedString != null && !managedString.isEmpty()) {
+ managed = Boolean.parseBoolean(managedString);
+ }
+
+ DmaapTopicSource uebTopicSource = this.build(serverList, topic,
+ apiKey, apiSecret, aafMechId, aafPassword,
+ consumerGroup, consumerInstance,
+ fetchTimeout, fetchLimit, managed);
+ dmaapTopicSource_s.add(uebTopicSource);
+ }
+ }
+ return dmaapTopicSource_s;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public DmaapTopicSource build(List<String> servers,
+ String topic,
+ String apiKey,
+ String apiSecret) {
+ return this.build(servers, topic,
+ apiKey, apiSecret, null, null,
+ null, null,
+ DmaapTopicSource.DEFAULT_TIMEOUT_MS_FETCH,
+ DmaapTopicSource.DEFAULT_LIMIT_FETCH,
+ true);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public DmaapTopicSource build(List<String> servers, String topic) {
+ return this.build(servers, topic, null, null);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void destroy(String topic)
+ throws IllegalArgumentException {
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException("A topic must be provided");
+ }
+
+ DmaapTopicSource uebTopicSource;
+
+ synchronized(this) {
+ if (!dmaapTopicSources.containsKey(topic)) {
+ return;
+ }
+
+ uebTopicSource = dmaapTopicSources.remove(topic);
+ }
+
+ uebTopicSource.shutdown();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public DmaapTopicSource get(String topic)
+ throws IllegalArgumentException, IllegalStateException {
+
+ if (topic == null || topic.isEmpty()) {
+ throw new IllegalArgumentException("A topic must be provided");
+ }
+
+ synchronized(this) {
+ if (dmaapTopicSources.containsKey(topic)) {
+ return dmaapTopicSources.get(topic);
+ } else {
+ throw new IllegalArgumentException("DmaapTopicSource for " + topic + " not found");
+ }
+ }
+ }
+
+ @Override
+ public synchronized List<DmaapTopicSource> inventory() {
+ List<DmaapTopicSource> readers =
+ new ArrayList<DmaapTopicSource>(this.dmaapTopicSources.values());
+ return readers;
+ }
+
+ @Override
+ public void destroy() {
+ List<DmaapTopicSource> readers = this.inventory();
+ for (DmaapTopicSource reader: readers) {
+ reader.shutdown();
+ }
+
+ synchronized(this) {
+ this.dmaapTopicSources.clear();
+ }
+ }
+
+}
+