flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/runner/DefaultDispatcherGatewayService.java

/*
 * 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.dispatcher.runner;

import org.apache.flink.annotation.Internal;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.clusterframework.ApplicationStatus;
import org.apache.flink.runtime.dispatcher.Dispatcher;
import org.apache.flink.runtime.dispatcher.DispatcherGateway;

import java.util.concurrent.CompletableFuture;

/** A facade over the {@link Dispatcher} that exposes specific functionality. */
@Internal
public class DefaultDispatcherGatewayService
        implements AbstractDispatcherLeaderProcess.DispatcherGatewayService {

    private final Dispatcher dispatcher;
    private final DispatcherGateway dispatcherGateway;

    private DefaultDispatcherGatewayService(Dispatcher dispatcher) {
        this.dispatcher = dispatcher;
        this.dispatcherGateway = dispatcher.getSelfGateway(DispatcherGateway.class);
    }

    @Override
    public DispatcherGateway getGateway() {
        return dispatcherGateway;
    }

    @Override
    public CompletableFuture<Void> onRemovedJobGraph(JobID jobId) {
        return dispatcher.onRemovedJobGraph(jobId);
    }

    @Override
    public CompletableFuture<ApplicationStatus> getShutDownFuture() {
        return dispatcher.getShutDownFuture();
    }

    @Override
    public CompletableFuture<Void> getTerminationFuture() {
        return dispatcher.getTerminationFuture();
    }

    @Override
    public CompletableFuture<Void> closeAsync() {
        return dispatcher.closeAsync();
    }

    public static DefaultDispatcherGatewayService from(Dispatcher dispatcher) {
        return new DefaultDispatcherGatewayService(dispatcher);
    }
}