org.apache.flink.runtime.rest.handler.job.rescaling.RescalingTriggerHeaders 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.handler.job.rescaling;
import org.apache.flink.runtime.rest.HttpMethodWrapper;
import org.apache.flink.runtime.rest.handler.async.AsynchronousOperationTriggerMessageHeaders;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.JobIDPathParameter;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
/**
* Message headers for triggering the rescaling of a job.
*/
public class RescalingTriggerHeaders extends
AsynchronousOperationTriggerMessageHeaders {
private static final RescalingTriggerHeaders INSTANCE = new RescalingTriggerHeaders();
private static final String URL = String.format(
"/jobs/:%s/rescaling",
JobIDPathParameter.KEY);
private RescalingTriggerHeaders() {}
@Override
public Class getRequestClass() {
return EmptyRequestBody.class;
}
@Override
public HttpResponseStatus getResponseStatusCode() {
return HttpResponseStatus.OK;
}
@Override
public RescalingTriggerMessageParameters getUnresolvedMessageParameters() {
return new RescalingTriggerMessageParameters();
}
@Override
public HttpMethodWrapper getHttpMethod() {
return HttpMethodWrapper.PATCH;
}
@Override
public String getTargetRestEndpointURL() {
return URL;
}
public static RescalingTriggerHeaders getInstance() {
return INSTANCE;
}
@Override
public String getDescription() {
return "Triggers the rescaling of a job.";
}
}