org.apache.flink.runtime.checkpoint.MasterState Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.flink.runtime.checkpoint;
import java.util.Arrays;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Simple encapsulation of state generated by checkpoint coordinator.
*/
public class MasterState implements java.io.Serializable {
private static final long serialVersionUID = 1L;
private final String name;
private final byte[] bytes;
private final int version;
public MasterState(String name, byte[] bytes, int version) {
this.name = checkNotNull(name);
this.bytes = checkNotNull(bytes);
this.version = version;
}
// ------------------------------------------------------------------------
public String name() {
return name;
}
public byte[] bytes() {
return bytes;
}
public int version() {
return version;
}
// ------------------------------------------------------------------------
@Override
public String toString() {
return "name: " + name + " ; version: " + version + " ; bytes: " + Arrays.toString(bytes);
}
}