diff options
Diffstat (limited to 'policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java')
-rw-r--r-- | policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java deleted file mode 100644 index 8633d093..00000000 --- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/NoopTopicSinkFactory.java +++ /dev/null @@ -1,230 +0,0 @@ -/* - * ============LICENSE_START======================================================= - * policy-endpoints - * ================================================================================ - * Copyright (C) 2017-2018 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.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.onap.policy.drools.properties.PolicyProperties; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -/** - * Noop Topic Sink Factory - */ -public interface NoopTopicSinkFactory { - - /** - * Creates noop topic sinks based on properties files - * - * @param properties Properties containing initialization values - * - * @return a noop topic sink - * @throws IllegalArgumentException if invalid parameters are present - */ - public List<NoopTopicSink> build(Properties properties); - - /** - * builds a noop sink - * - * @param servers list of servers - * @param topic topic name - * @param managed is this sink endpoint managed? - * @return a noop topic sink - * @throws IllegalArgumentException if invalid parameters are present - */ - public NoopTopicSink build(List<String> servers, String topic, boolean managed); - - /** - * Destroys a sink based on the topic - * - * @param topic topic name - * @throws IllegalArgumentException if invalid parameters are present - */ - public void destroy(String topic); - - /** - * gets a sink based on topic name - * - * @param topic the topic name - * - * @return a sink with topic name - * @throws IllegalArgumentException if an invalid topic is provided - * @throws IllegalStateException if the sink is in an incorrect state - */ - public NoopTopicSink get(String topic); - - /** - * Provides a snapshot of the UEB Topic Writers - * - * @return a list of the UEB Topic Writers - */ - public List<NoopTopicSink> inventory(); - - /** - * Destroys all sinks - */ - public void destroy(); -} - - -/* ------------- implementation ----------------- */ - -/** - * Factory of noop sinks - */ -class IndexedNoopTopicSinkFactory implements NoopTopicSinkFactory { - private static final String MISSING_TOPIC = "A topic must be provided"; - -/** - * Logger - */ - private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSinkFactory.class); - - /** - * noop topic sinks map - */ - protected HashMap<String, NoopTopicSink> noopTopicSinks = new HashMap<>(); - - @Override - public List<NoopTopicSink> build(Properties properties) { - - final String sinkTopics = properties.getProperty(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS); - if (sinkTopics == null || sinkTopics.isEmpty()) { - logger.info("{}: no topic for noop sink", this); - return new ArrayList<>(); - } - - final List<String> sinkTopicList = - new ArrayList<>(Arrays.asList(sinkTopics.split("\\s*,\\s*"))); - final List<NoopTopicSink> newSinks = new ArrayList<>(); - synchronized (this) { - for (final String topic : sinkTopicList) { - if (this.noopTopicSinks.containsKey(topic)) { - newSinks.add(this.noopTopicSinks.get(topic)); - continue; - } - - String servers = properties.getProperty(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS + "." - + topic + PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX); - - if (servers == null || servers.isEmpty()) - servers = "noop"; - - final List<String> serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*"))); - - final String managedString = - properties.getProperty(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS + "." + topic - + PolicyProperties.PROPERTY_MANAGED_SUFFIX); - boolean managed = true; - if (managedString != null && !managedString.isEmpty()) { - managed = Boolean.parseBoolean(managedString); - } - - final NoopTopicSink noopSink = this.build(serverList, topic, managed); - newSinks.add(noopSink); - } - return newSinks; - } - } - - @Override - public NoopTopicSink build(List<String> servers, String topic, boolean managed) { - - List<String> noopSinkServers = servers; - if (noopSinkServers == null) { - noopSinkServers = new ArrayList<>(); - } - - if (noopSinkServers.isEmpty()) { - noopSinkServers.add("noop"); - } - - if (topic == null || topic.isEmpty()) { - throw new IllegalArgumentException(MISSING_TOPIC); - } - - synchronized (this) { - if (this.noopTopicSinks.containsKey(topic)) { - return this.noopTopicSinks.get(topic); - } - - final NoopTopicSink sink = new NoopTopicSink(noopSinkServers, topic); - - if (managed) - this.noopTopicSinks.put(topic, sink); - - return sink; - } - } - - @Override - public void destroy(String topic) { - if (topic == null || topic.isEmpty()) { - throw new IllegalArgumentException(MISSING_TOPIC); - } - - NoopTopicSink noopSink; - synchronized (this) { - if (!this.noopTopicSinks.containsKey(topic)) { - return; - } - - noopSink = this.noopTopicSinks.remove(topic); - } - - noopSink.shutdown(); - } - - @Override - public void destroy() { - final List<NoopTopicSink> sinks = this.inventory(); - for (final NoopTopicSink sink : sinks) { - sink.shutdown(); - } - - synchronized (this) { - this.noopTopicSinks.clear(); - } - } - - @Override - public NoopTopicSink get(String topic) { - if (topic == null || topic.isEmpty()) { - throw new IllegalArgumentException(MISSING_TOPIC); - } - - synchronized (this) { - if (this.noopTopicSinks.containsKey(topic)) { - return this.noopTopicSinks.get(topic); - } else { - throw new IllegalStateException("DmaapTopicSink for " + topic + " not found"); - } - } - } - - @Override - public List<NoopTopicSink> inventory() { - return new ArrayList<>(this.noopTopicSinks.values()); - } -} |