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/*
* Licensed to Elasticsearch 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;
import org.elasticsearch.cluster.coordination.ClusterStatePublisher;
import org.elasticsearch.common.component.LifecycleComponent;
/**
* A pluggable module allowing to implement discovery of other nodes, publishing of the cluster
* state to all nodes, electing a master of the cluster that raises cluster state change
* events.
*/
public interface Discovery extends LifecycleComponent, ClusterStatePublisher {
/**
* @return stats about the discovery
*/
DiscoveryStats stats();
/**
* Triggers the first join cycle
*/
void startInitialJoin();
}