org.elasticsearch.snapshots.SnapshotState Maven / Gradle / Ivy
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* 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
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.snapshots;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
/**
* Represents the state that a snapshot can be in
*/
public enum SnapshotState {
/**
* Snapshot process has started
*/
IN_PROGRESS((byte) 0),
/**
* Snapshot process completed successfully
*/
SUCCESS((byte) 1),
/**
* Snapshot failed
*/
FAILED((byte) 2);
private byte value;
private SnapshotState(byte value) {
this.value = value;
}
/**
* Returns code that represents the snapshot state
*
* @return code for the state
*/
public byte value() {
return value;
}
/**
* Returns true if snapshot completed (successfully or not)
*
* @return true if snapshot completed, false otherwise
*/
public boolean completed() {
return this == SUCCESS || this == FAILED;
}
/**
* Generate snapshot state from code
*
* @param value the state code
* @return state
*/
public static SnapshotState fromValue(byte value) {
switch (value) {
case 0:
return IN_PROGRESS;
case 1:
return SUCCESS;
case 2:
return FAILED;
default:
throw new ElasticsearchIllegalArgumentException("No snapshot state for value [" + value + "]");
}
}
}