org.elasticsearch.cluster.ClusterName Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.cluster;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Settings;
import java.io.IOException;
import java.util.Objects;
import java.util.function.Predicate;
public class ClusterName implements Writeable {
public static final Setting CLUSTER_NAME_SETTING = new Setting<>("cluster.name", "elasticsearch", (s) -> {
if (s.isEmpty()) {
throw new IllegalArgumentException("[cluster.name] must not be empty");
}
if (s.contains(":")) {
throw new IllegalArgumentException("[cluster.name] must not contain ':'");
}
return new ClusterName(s);
}, Setting.Property.NodeScope);
public static final ClusterName DEFAULT = CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY);
private final String value;
public ClusterName(StreamInput input) throws IOException {
this(input.readString());
}
public ClusterName(String value) {
this.value = value.intern();
}
public String value() {
return this.value;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(value);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ClusterName that = (ClusterName) o;
return Objects.equals(value, that.value);
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public String toString() {
return "Cluster [" + value + "]";
}
public Predicate getEqualityPredicate() {
return new Predicate() {
@Override
public boolean test(ClusterName o) {
return ClusterName.this.equals(o);
}
@Override
public String toString() {
return "local cluster name [" + ClusterName.this.value() + "]";
}
};
}
}