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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.ClusterChangedEvent;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.allocation.AllocationService;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.component.AbstractLifecycleComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.discovery.zen.ElectMasterService;
/**
* A {@link Discovery} implementation that is used by {@link org.elasticsearch.tribe.TribeService}. This implementation
* doesn't support any clustering features. Most notably {@link #startInitialJoin()} does nothing and
* {@link #publish(ClusterChangedEvent, AckListener)} is not supported.
*/
public class NoneDiscovery extends AbstractLifecycleComponent implements Discovery {
private final ClusterService clusterService;
private final DiscoverySettings discoverySettings;
@Inject
public NoneDiscovery(Settings settings, ClusterService clusterService, ClusterSettings clusterSettings) {
super(settings);
this.clusterService = clusterService;
this.discoverySettings = new DiscoverySettings(settings, clusterSettings);
}
@Override
public DiscoveryNode localNode() {
return clusterService.localNode();
}
@Override
public String nodeDescription() {
return clusterService.getClusterName().value() + "/" + clusterService.localNode().getId();
}
@Override
public void setAllocationService(AllocationService allocationService) {
}
@Override
public void publish(ClusterChangedEvent clusterChangedEvent, AckListener ackListener) {
throw new UnsupportedOperationException();
}
@Override
public DiscoveryStats stats() {
return null;
}
@Override
public DiscoverySettings getDiscoverySettings() {
return discoverySettings;
}
@Override
public void startInitialJoin() {
}
@Override
public int getMinimumMasterNodes() {
return ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.get(settings);
}
@Override
protected void doStart() {
}
@Override
protected void doStop() {
}
@Override
protected void doClose() {
}
}