org.apache.flink.runtime.taskexecutor.TaskExecutorReportResponse 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.taskexecutor;
import java.io.Serializable;
import java.util.List;
/**
* Base class for responses given to report from {@link TaskExecutionStatus}.
*/
public abstract class TaskExecutorReportResponse implements Serializable {
private static final long serialVersionUID = 1L;
// ----------------------------------------------------------------------------
/**
* Base class for a successful report.
*/
public static class Success extends TaskExecutorReportResponse {
private static final long serialVersionUID = 1L;
/** The index of the rejected tasks in the report list. */
private final List rejectedIndexes;
public Success(List rejected) {
this.rejectedIndexes = rejected;
}
/**
* Get the indexes of the rejected tasks.
*/
public List getRejectedIndexes() {
return rejectedIndexes;
}
@Override
public String toString() {
return "Report succeed with rejected(" + rejectedIndexes + ")";
}
}
// ----------------------------------------------------------------------------
/**
* A rejected (declined) registration.
*/
public static final class Decline extends TaskExecutorReportResponse {
private static final long serialVersionUID = 1L;
/** The reason of the rejection. */
private final String reason;
public Decline(String reason) {
this.reason = reason != null ? reason : "(unknown)";
}
public String getReason() {
return reason;
}
@Override
public String toString() {
return "Report declined (" + reason + ')';
}
}
}