diff options
Diffstat (limited to 'policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSourceFactory.java')
| -rw-r--r-- | policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSourceFactory.java | 394 |
1 files changed, 0 insertions, 394 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSourceFactory.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSourceFactory.java deleted file mode 100644 index d48be278..00000000 --- a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/UebTopicSourceFactory.java +++ /dev/null @@ -1,394 +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.event.comm.bus.internal.SingleThreadedUebTopicSource; -import org.slf4j.LoggerFactory; -import org.slf4j.Logger; -import org.onap.policy.drools.properties.PolicyProperties; - -/** - * UEB Topic Source Factory - */ -public interface UebTopicSourceFactory { - - /** - * Creates an UEB Topic Source based on properties files - * - * @param properties Properties containing initialization values - * - * @return an UEB Topic Source - * @throws IllegalArgumentException if invalid parameters are present - */ - public List<UebTopicSource> build(Properties properties); - - /** - * Instantiates a new UEB Topic Source - * - * @param servers list of servers - * @param topic topic name - * @param apiKey API Key - * @param apiSecret API Secret - * @param consumerGroup Consumer Group - * @param consumerInstance Consumer Instance - * @param fetchTimeout Read Fetch Timeout - * @param fetchLimit Fetch Limit - * @param managed is this source endpoint managed? - * - * @return an UEB Topic Source - * @throws IllegalArgumentException if invalid parameters are present - */ - public UebTopicSource build(List<String> servers, - String topic, - String apiKey, - String apiSecret, - String consumerGroup, - String consumerInstance, - int fetchTimeout, - int fetchLimit, - boolean managed, - boolean useHttps, - boolean allowSelfSignedCerts); - - /** - * Instantiates a new UEB Topic Source - * - * @param servers list of servers - * @param topic topic name - * @param apiKey API Key - * @param apiSecret API Secret - * - * @return an UEB Topic Source - * @throws IllegalArgumentException if invalid parameters are present - */ - public UebTopicSource build(List<String> servers, - String topic, - String apiKey, - String apiSecret); - - /** - * Instantiates a new UEB Topic Source - * - * @param servers list of servers - * @param topic topic name - * - * @return an UEB Topic Source - * @throws IllegalArgumentException if invalid parameters are present - */ - public UebTopicSource build(List<String> servers, - String topic); - - /** - * Destroys an UEB Topic Source based on a topic - * - * @param topic topic name - * @throws IllegalArgumentException if invalid parameters are present - */ - public void destroy(String topic); - - /** - * Destroys all UEB Topic Sources - */ - public void destroy(); - - /** - * gets an UEB Topic Source based on topic name - * @param topic the topic name - * @return an UEB Topic Source with topic name - * @throws IllegalArgumentException if an invalid topic is provided - * @throws IllegalStateException if the UEB Topic Source is - * an incorrect state - */ - public UebTopicSource get(String topic); - - /** - * Provides a snapshot of the UEB Topic Sources - * @return a list of the UEB Topic Sources - */ - public List<UebTopicSource> inventory(); -} - -/* ------------- implementation ----------------- */ - -/** - * Factory of UEB Source Topics indexed by topic name - */ -class IndexedUebTopicSourceFactory implements UebTopicSourceFactory { - private static final String MISSING_TOPIC = "A topic must be provided"; - - /** - * Logger - */ - private static Logger logger = LoggerFactory.getLogger(IndexedUebTopicSourceFactory.class); - - /** - * UEB Topic Name Index - */ - protected HashMap<String, UebTopicSource> uebTopicSources = - new HashMap<>(); - - /** - * {@inheritDoc} - */ - @Override - public UebTopicSource build(List<String> servers, - String topic, - String apiKey, - String apiSecret, - String consumerGroup, - String consumerInstance, - int fetchTimeout, - int fetchLimit, - boolean managed, - boolean useHttps, - boolean allowSelfSignedCerts) { - if (servers == null || servers.isEmpty()) { - throw new IllegalArgumentException("UEB Server(s) must be provided"); - } - - if (topic == null || topic.isEmpty()) { - throw new IllegalArgumentException(MISSING_TOPIC); - } - - synchronized(this) { - if (uebTopicSources.containsKey(topic)) { - return uebTopicSources.get(topic); - } - - UebTopicSource uebTopicSource = - new SingleThreadedUebTopicSource(servers, topic, - apiKey, apiSecret, - consumerGroup, consumerInstance, - fetchTimeout, fetchLimit, useHttps, allowSelfSignedCerts); - - if (managed) - uebTopicSources.put(topic, uebTopicSource); - - return uebTopicSource; - } - } - - /** - * {@inheritDoc} - */ - @Override - public List<UebTopicSource> build(Properties properties) { - - String readTopics = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS); - if (readTopics == null || readTopics.isEmpty()) { - logger.info("{}: no topic for UEB Source", this); - return new ArrayList<>(); - } - List<String> readTopicList = new ArrayList<>(Arrays.asList(readTopics.split("\\s*,\\s*"))); - - List<UebTopicSource> newUebTopicSources = new ArrayList<>(); - synchronized(this) { - for (String topic: readTopicList) { - if (this.uebTopicSources.containsKey(topic)) { - newUebTopicSources.add(this.uebTopicSources.get(topic)); - continue; - } - - String servers = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + - topic + - PolicyProperties.PROPERTY_TOPIC_SERVERS_SUFFIX); - - if (servers == null || servers.isEmpty()) { - logger.error("{}: no UEB servers configured for sink {}", this, topic); - continue; - } - - List<String> serverList = new ArrayList<>(Arrays.asList(servers.split("\\s*,\\s*"))); - - String apiKey = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + - "." + topic + - PolicyProperties.PROPERTY_TOPIC_API_KEY_SUFFIX); - - String apiSecret = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + - "." + topic + - PolicyProperties.PROPERTY_TOPIC_API_SECRET_SUFFIX); - - String consumerGroup = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + - "." + topic + - PolicyProperties.PROPERTY_TOPIC_SOURCE_CONSUMER_GROUP_SUFFIX); - - String consumerInstance = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + - "." + topic + - PolicyProperties.PROPERTY_TOPIC_SOURCE_CONSUMER_INSTANCE_SUFFIX); - - String fetchTimeoutString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + - "." + topic + - PolicyProperties.PROPERTY_TOPIC_SOURCE_FETCH_TIMEOUT_SUFFIX); - int fetchTimeout = UebTopicSource.DEFAULT_TIMEOUT_MS_FETCH; - if (fetchTimeoutString != null && !fetchTimeoutString.isEmpty()) { - try { - fetchTimeout = Integer.parseInt(fetchTimeoutString); - } catch (NumberFormatException nfe) { - logger.warn("{}: fetch timeout {} is in invalid format for topic {} ", - this, fetchTimeoutString, topic); - } - } - - String fetchLimitString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + - "." + topic + - PolicyProperties.PROPERTY_TOPIC_SOURCE_FETCH_LIMIT_SUFFIX); - int fetchLimit = UebTopicSource.DEFAULT_LIMIT_FETCH; - if (fetchLimitString != null && !fetchLimitString.isEmpty()) { - try { - fetchLimit = Integer.parseInt(fetchLimitString); - } catch (NumberFormatException nfe) { - logger.warn("{}: fetch limit {} is in invalid format for topic {} ", - this, fetchLimitString, topic); - } - } - - String managedString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + - topic + PolicyProperties.PROPERTY_MANAGED_SUFFIX); - boolean managed = true; - if (managedString != null && !managedString.isEmpty()) { - managed = Boolean.parseBoolean(managedString); - } - - String useHttpsString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + topic + - PolicyProperties.PROPERTY_HTTP_HTTPS_SUFFIX); - - //default is to use HTTP if no https property exists - boolean useHttps = false; - if (useHttpsString != null && !useHttpsString.isEmpty()){ - useHttps = Boolean.parseBoolean(useHttpsString); - } - - String allowSelfSignedCertsString = properties.getProperty(PolicyProperties.PROPERTY_UEB_SOURCE_TOPICS + "." + topic + - PolicyProperties.PROPERTY_ALLOW_SELF_SIGNED_CERTIFICATES_SUFFIX); - - //default is to disallow self-signed certs - boolean allowSelfSignedCerts = false; - if (allowSelfSignedCertsString != null && !allowSelfSignedCertsString.isEmpty()){ - allowSelfSignedCerts = Boolean.parseBoolean(allowSelfSignedCertsString); - } - - UebTopicSource uebTopicSource = this.build(serverList, topic, - apiKey, apiSecret, - consumerGroup, consumerInstance, - fetchTimeout, fetchLimit, managed, useHttps, allowSelfSignedCerts); - newUebTopicSources.add(uebTopicSource); - } - } - return newUebTopicSources; - } - - /** - * {@inheritDoc} - */ - @Override - public UebTopicSource build(List<String> servers, - String topic, - String apiKey, - String apiSecret) { - - return this.build(servers, topic, - apiKey, apiSecret, - null, null, - UebTopicSource.DEFAULT_TIMEOUT_MS_FETCH, - UebTopicSource.DEFAULT_LIMIT_FETCH, true, false, true); - } - - /** - * {@inheritDoc} - */ - @Override - public UebTopicSource build(List<String> servers, String topic) { - return this.build(servers, topic, null, null); - } - - /** - * {@inheritDoc} - */ - @Override - public void destroy(String topic) { - - if (topic == null || topic.isEmpty()) { - throw new IllegalArgumentException(MISSING_TOPIC); - } - - UebTopicSource uebTopicSource; - - synchronized(this) { - if (!uebTopicSources.containsKey(topic)) { - return; - } - - uebTopicSource = uebTopicSources.remove(topic); - } - - uebTopicSource.shutdown(); - } - - /** - * {@inheritDoc} - */ - @Override - public UebTopicSource get(String topic) { - - if (topic == null || topic.isEmpty()) { - throw new IllegalArgumentException(MISSING_TOPIC); - } - - synchronized(this) { - if (uebTopicSources.containsKey(topic)) { - return uebTopicSources.get(topic); - } else { - throw new IllegalStateException("UebTopiceSource for " + topic + " not found"); - } - } - } - - @Override - public synchronized List<UebTopicSource> inventory() { - return new ArrayList<>(this.uebTopicSources.values()); - } - - @Override - public void destroy() { - List<UebTopicSource> readers = this.inventory(); - for (UebTopicSource reader: readers) { - reader.shutdown(); - } - - synchronized(this) { - this.uebTopicSources.clear(); - } - } - - @Override - public String toString() { - StringBuilder builder = new StringBuilder(); - builder.append("IndexedUebTopicSourceFactory []"); - return builder.toString(); - } - -} |