org.apache.flink.runtime.rest.handler.async.AsynchronousOperationStatusMessageHeaders 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.async;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.MessageParameters;
import java.util.Collection;
import java.util.Collections;
/**
* Message headers for the status polling of an asynchronous operation.
*
* @param type of the operation result
* @param type of the message parameters
*/
public abstract class AsynchronousOperationStatusMessageHeaders implements MessageHeaders, M> {
/**
* Returns the class of the value wrapped in the {@link AsynchronousOperationResult}.
*
* @return value class
*/
protected abstract Class getValueClass();
@Override
public Class> getResponseClass() {
return (Class>) (Class) AsynchronousOperationResult.class;
}
@Override
public Collection> getResponseTypeParameters() {
return Collections.singleton(getValueClass());
}
}