104 lines
3.1 KiB
Java
104 lines
3.1 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.gossip;
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import java.net.URI;
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import java.net.UnknownHostException;
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import java.util.List;
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import org.apache.gossip.event.GossipListener;
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import org.apache.gossip.manager.GossipManager;
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import org.apache.gossip.manager.random.RandomGossipManager;
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import org.apache.gossip.model.GossipDataMessage;
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import org.apache.log4j.Logger;
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/**
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* This object represents the service which is responsible for gossiping with other gossip members.
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*
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* @author joshclemm, harmenw
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*/
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public class GossipService {
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public static final Logger LOGGER = Logger.getLogger(GossipService.class);
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private GossipManager gossipManager;
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/**
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* Constructor with the default settings.
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*
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* @throws InterruptedException
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* @throws UnknownHostException
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*/
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public GossipService(StartupSettings startupSettings) throws InterruptedException,
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UnknownHostException {
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this(startupSettings.getCluster(), startupSettings.getUri()
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, startupSettings.getId(), startupSettings.getGossipMembers(),
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startupSettings.getGossipSettings(), null);
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}
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/**
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* Setup the client's lists, gossiping parameters, and parse the startup config file.
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*
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* @throws InterruptedException
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* @throws UnknownHostException
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*/
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public GossipService(String cluster, URI uri, String id,
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List<GossipMember> gossipMembers, GossipSettings settings, GossipListener listener)
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throws InterruptedException, UnknownHostException {
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gossipManager = RandomGossipManager.newBuilder()
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.withId(id)
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.cluster(cluster)
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.uri(uri)
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.settings(settings)
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.gossipMembers(gossipMembers)
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.listener(listener)
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.build();
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}
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public void start() {
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LOGGER.debug("Starting: " + get_gossipManager().getMyself().getUri());
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gossipManager.init();
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}
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public void shutdown() {
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gossipManager.shutdown();
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}
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public GossipManager get_gossipManager() {
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return gossipManager;
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}
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/**
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* Gossip data to the entire cluster
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* @param message
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*/
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public void gossipData(GossipDataMessage message){
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gossipManager.gossipData(message);
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}
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public GossipDataMessage findGossipData(String nodeId, String key){
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return this.get_gossipManager().findGossipData(nodeId, key);
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}
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public void set_gossipManager(GossipManager _gossipManager) {
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this.gossipManager = _gossipManager;
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}
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}
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