/*
* Copyright (c) 2017 Strapdata (http://www.strapdata.com)
* Contains some code from Elasticsearch (http://www.elastic.co)
*
* 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.
*/
package org.elassandra.cluster.routing;
import java.net.InetAddress;
import java.util.Collection;
import java.util.Map;
import java.util.UUID;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.routing.ShardRoutingState;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.transport.TransportAddress;
/**
* Search strategy
* @author vroyer
*
*/
public class PreferenceSearchStrategry extends CachedRandomSearchStrategy {
public PreferenceSearchStrategry() {
}
public class SearchKeyRouter extends CachedRandomRouter {
public SearchKeyRouter(final String index, final String ksName, final Map<UUID, ShardRoutingState> shardStates, final ClusterState clusterState) {
super(index, ksName, shardStates, clusterState);
}
public Key getKey(TransportAddress src, @Nullable String searchKey, @Nullable String preference) {
return new Key(null, ((preference!=null) && (preference.charAt(0)!='_')) ? preference : null);
}
}
@Override
public Router newRouter(final String index, final String ksName, final Map<UUID, ShardRoutingState> shardStates, final ClusterState clusterState) {
return new SearchKeyRouter(index, ksName, shardStates, clusterState);
}
}