hadoop ApplicationReportSerDeser 源码
haddop ApplicationReportSerDeser 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/utils/ApplicationReportSerDeser.java
/*
* 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.hadoop.yarn.service.utils;
import com.fasterxml.jackson.core.JsonProcessingException;
/**
* Persistence of {@link SerializedApplicationReport}
*
*/
public class ApplicationReportSerDeser
extends JsonSerDeser<SerializedApplicationReport> {
public ApplicationReportSerDeser() {
super(SerializedApplicationReport.class);
}
private static final ApplicationReportSerDeser
staticinstance = new ApplicationReportSerDeser();
/**
* Convert an instance to a JSON string -sync access to a shared ser/deser
* object instance
* @param instance object to convert
* @return a JSON string description
* @throws JsonProcessingException parse problems
*/
public static String toString(SerializedApplicationReport instance)
throws JsonProcessingException {
synchronized (staticinstance) {
return staticinstance.toJson(instance);
}
}
}
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