org.elasticsearch.river.cluster.RiverNodeHelper Maven / Gradle / Ivy
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* 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
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* specific language governing permissions and limitations
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*/
package org.elasticsearch.river.cluster;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.river.RiverName;
/**
*
*/
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, it's a 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());
}
}