org.elasticsearch.discovery.zen.ZenDiscoveryModule Maven / Gradle / Ivy
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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.discovery.zen;
import com.google.common.collect.Lists;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.multibindings.Multibinder;
import org.elasticsearch.discovery.Discovery;
import org.elasticsearch.discovery.zen.ping.ZenPingService;
import org.elasticsearch.discovery.zen.ping.unicast.UnicastHostsProvider;
import java.util.List;
/**
*/
public class ZenDiscoveryModule extends AbstractModule {
private final List> unicastHostProviders = Lists.newArrayList();
/**
* Adds a custom unicast hosts provider to build a dynamic list of unicast hosts list when doing unicast discovery.
*/
public ZenDiscoveryModule addUnicastHostProvider(Class unicastHostProvider) {
unicastHostProviders.add(unicastHostProvider);
return this;
}
@Override
protected void configure() {
bind(ZenPingService.class).asEagerSingleton();
Multibinder unicastHostsProviderMultibinder = Multibinder.newSetBinder(binder(), UnicastHostsProvider.class);
for (Class unicastHostProvider : unicastHostProviders) {
unicastHostsProviderMultibinder.addBinding().to(unicastHostProvider);
}
bindDiscovery();
}
protected void bindDiscovery() {
bind(Discovery.class).to(ZenDiscovery.class).asEagerSingleton();
}
}