org.apache.flink.runtime.rest.messages.json.JobVertexIDKeySerializer 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.rest.messages.json;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonGenerator;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.SerializerProvider;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.StdSerializer;
import java.io.IOException;
/**
* Jackson serializer for {@link JobVertexID} used as a key serializer.
*/
public class JobVertexIDKeySerializer extends StdSerializer {
private static final long serialVersionUID = 2970050507628933522L;
public JobVertexIDKeySerializer() {
super(JobVertexID.class);
}
@Override
public void serialize(JobVertexID value, JsonGenerator gen, SerializerProvider provider) throws IOException {
gen.writeFieldName(value.toString());
}
}