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Elasticsearch subproject :server
/*
* 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.cluster;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.river.RiverName;
/**
* @author kimchy (shay.banon)
*/
public class RiverNodeHelper {
public static boolean isRiverNode(DiscoveryNode node) {
// we don't allocate rivers on client nodes
if (node.clientNode()) {
return false;
}
String river = node.attributes().get("river");
// by default, if not set, its an river node (better OOB exp)
if (river == null) {
return true;
}
if ("_none_".equals(river)) {
return false;
}
// there is at least one river settings, we need it
return true;
}
public static boolean isRiverNode(DiscoveryNode node, RiverName riverName) {
if (!isRiverNode(node)) {
return false;
}
String river = node.attributes().get("river");
// by default, if not set, its an river node (better OOB exp)
return river == null || river.contains(riverName.type()) || river.contains(riverName.name());
}
}