/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.river.routing;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.river.RiverName;
import java.io.IOException;
/**
* @author kimchy (shay.banon)
*/
public class RiverRouting implements Streamable {
private RiverName riverName;
private DiscoveryNode node;
private RiverRouting() {
}
RiverRouting(RiverName riverName, DiscoveryNode node) {
this.riverName = riverName;
this.node = node;
}
public RiverName riverName() {
return riverName;
}
/**
* The node the river is allocated to, <tt>null</tt> if its not allocated.
*/
public DiscoveryNode node() {
return node;
}
void node(DiscoveryNode node) {
this.node = node;
}
public static RiverRouting readRiverRouting(StreamInput in) throws IOException {
RiverRouting routing = new RiverRouting();
routing.readFrom(in);
return routing;
}
@Override public void readFrom(StreamInput in) throws IOException {
riverName = new RiverName(in.readUTF(), in.readUTF());
if (in.readBoolean()) {
node = DiscoveryNode.readNode(in);
}
}
@Override public void writeTo(StreamOutput out) throws IOException {
out.writeUTF(riverName.type());
out.writeUTF(riverName.name());
if (node == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
node.writeTo(out);
}
}
}