org.apache.flink.runtime.jobgraph.MultiInputOutputFormatVertex Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.jobgraph;
import org.apache.flink.runtime.jobgraph.FormatUtil.MultiFormatStub;
import org.apache.flink.runtime.operators.util.TaskConfig;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* A task vertex that run an initialization on the master, trying to deserialize input/output formats
* and initializing/finalizing them on master, if necessary.
*/
public class MultiInputOutputFormatVertex extends JobVertex {
private static final long serialVersionUID = 1L;
private Map formatDescriptionMap = new HashMap<>();
/**
* Creates a new task vertex with the specified name.
*
* @param name The name of the task vertex.
*/
public MultiInputOutputFormatVertex(String name) {
super(name);
}
public MultiInputOutputFormatVertex(String name, JobVertexID id, List alternativeIds, List operatorIds, List alternativeOperatorIds) {
super(name, id, alternativeIds, operatorIds, alternativeOperatorIds);
}
public void setFormatDescription(OperatorID operatorId, String formatDescription) {
formatDescriptionMap.put(operatorId, formatDescription);
}
public String getFormatDescription(OperatorID operatorId) {
return formatDescriptionMap.get(operatorId);
}
@Override
public void initializeOnMaster(ClassLoader loader) throws Exception {
final TaskConfig cfg = new TaskConfig(getConfiguration());
MultiFormatStub stub = new MultiFormatStub(cfg, loader);
FormatUtil.initializeInputFormatsOnMaster(this, stub, Collections.unmodifiableMap(formatDescriptionMap));
FormatUtil.initializeOutputFormatsOnMaster(this, stub, Collections.unmodifiableMap(formatDescriptionMap));
}
@Override
public void finalizeOnMaster(ClassLoader loader) throws Exception {
final TaskConfig cfg = new TaskConfig(getConfiguration());
MultiFormatStub stub = new MultiFormatStub(cfg, loader);
FormatUtil.finalizeOutputFormatsOnMaster(this, stub, Collections.unmodifiableMap(formatDescriptionMap));
}
}