org.apache.flink.runtime.executiongraph.TaskInformation Maven / Gradle / Ivy
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* 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.executiongraph;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import org.apache.flink.util.Preconditions;
import java.io.Serializable;
/**
* Container class for operator/task specific information which are stored at the
* {@link ExecutionJobVertex}. This information is shared by all sub tasks of this operator.
*/
public class TaskInformation implements Serializable {
private static final long serialVersionUID = -9006218793155953789L;
/** Job vertex id of the associated job vertex */
private final JobVertexID jobVertexId;
/** Name of the task */
private final String taskName;
/** The number of subtasks for this operator */
private final int numberOfSubtasks;
/** The maximum parallelism == number of key groups */
private final int maxNumberOfSubtaks;
/** Class name of the invokable to run */
private final String invokableClassName;
/** Configuration for the task */
private final Configuration taskConfiguration;
public TaskInformation(
JobVertexID jobVertexId,
String taskName,
int numberOfSubtasks,
int maxNumberOfSubtaks,
String invokableClassName,
Configuration taskConfiguration) {
this.jobVertexId = Preconditions.checkNotNull(jobVertexId);
this.taskName = Preconditions.checkNotNull(taskName);
this.numberOfSubtasks = Preconditions.checkNotNull(numberOfSubtasks);
this.maxNumberOfSubtaks = Preconditions.checkNotNull(maxNumberOfSubtaks);
this.invokableClassName = Preconditions.checkNotNull(invokableClassName);
this.taskConfiguration = Preconditions.checkNotNull(taskConfiguration);
}
public JobVertexID getJobVertexId() {
return jobVertexId;
}
public String getTaskName() {
return taskName;
}
public int getNumberOfSubtasks() {
return numberOfSubtasks;
}
public int getMaxNumberOfSubtaks() {
return maxNumberOfSubtaks;
}
public String getInvokableClassName() {
return invokableClassName;
}
public Configuration getTaskConfiguration() {
return taskConfiguration;
}
}