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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.dispatcher;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.blob.BlobServer;
import org.apache.flink.runtime.heartbeat.HeartbeatServices;
import org.apache.flink.runtime.highavailability.HighAvailabilityServices;
import org.apache.flink.runtime.jobmanager.JobGraphWriter;
import org.apache.flink.runtime.metrics.groups.JobManagerMetricGroup;
import org.apache.flink.runtime.resourcemanager.ResourceManagerGateway;
import org.apache.flink.runtime.rpc.FatalErrorHandler;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import java.util.concurrent.Executor;

/** {@link Dispatcher} services container. */
public class DispatcherServices {

    @Nonnull private final Configuration configuration;

    @Nonnull private final HighAvailabilityServices highAvailabilityServices;

    @Nonnull private final GatewayRetriever resourceManagerGatewayRetriever;

    @Nonnull private final BlobServer blobServer;

    @Nonnull private final HeartbeatServices heartbeatServices;

    @Nonnull private final JobManagerMetricGroup jobManagerMetricGroup;

    @Nonnull private final ExecutionGraphInfoStore executionGraphInfoStore;

    @Nonnull private final FatalErrorHandler fatalErrorHandler;

    @Nonnull private final HistoryServerArchivist historyServerArchivist;

    @Nullable private final String metricQueryServiceAddress;

    @Nonnull private final JobGraphWriter jobGraphWriter;

    @Nonnull private final JobManagerRunnerFactory jobManagerRunnerFactory;

    @Nonnull private final Executor ioExecutor;

    public DispatcherServices(
            @Nonnull Configuration configuration,
            @Nonnull HighAvailabilityServices highAvailabilityServices,
            @Nonnull GatewayRetriever resourceManagerGatewayRetriever,
            @Nonnull BlobServer blobServer,
            @Nonnull HeartbeatServices heartbeatServices,
            @Nonnull ExecutionGraphInfoStore executionGraphInfoStore,
            @Nonnull FatalErrorHandler fatalErrorHandler,
            @Nonnull HistoryServerArchivist historyServerArchivist,
            @Nullable String metricQueryServiceAddress,
            @Nonnull JobManagerMetricGroup jobManagerMetricGroup,
            @Nonnull JobGraphWriter jobGraphWriter,
            @Nonnull JobManagerRunnerFactory jobManagerRunnerFactory,
            @Nonnull Executor ioExecutor) {
        this.configuration = configuration;
        this.highAvailabilityServices = highAvailabilityServices;
        this.resourceManagerGatewayRetriever = resourceManagerGatewayRetriever;
        this.blobServer = blobServer;
        this.heartbeatServices = heartbeatServices;
        this.executionGraphInfoStore = executionGraphInfoStore;
        this.fatalErrorHandler = fatalErrorHandler;
        this.historyServerArchivist = historyServerArchivist;
        this.metricQueryServiceAddress = metricQueryServiceAddress;
        this.jobManagerMetricGroup = jobManagerMetricGroup;
        this.jobGraphWriter = jobGraphWriter;
        this.jobManagerRunnerFactory = jobManagerRunnerFactory;
        this.ioExecutor = ioExecutor;
    }

    @Nonnull
    public Configuration getConfiguration() {
        return configuration;
    }

    @Nonnull
    public HighAvailabilityServices getHighAvailabilityServices() {
        return highAvailabilityServices;
    }

    @Nonnull
    public GatewayRetriever getResourceManagerGatewayRetriever() {
        return resourceManagerGatewayRetriever;
    }

    @Nonnull
    public BlobServer getBlobServer() {
        return blobServer;
    }

    @Nonnull
    public HeartbeatServices getHeartbeatServices() {
        return heartbeatServices;
    }

    @Nonnull
    public JobManagerMetricGroup getJobManagerMetricGroup() {
        return jobManagerMetricGroup;
    }

    @Nonnull
    public ExecutionGraphInfoStore getArchivedExecutionGraphStore() {
        return executionGraphInfoStore;
    }

    @Nonnull
    public FatalErrorHandler getFatalErrorHandler() {
        return fatalErrorHandler;
    }

    @Nonnull
    public HistoryServerArchivist getHistoryServerArchivist() {
        return historyServerArchivist;
    }

    @Nullable
    public String getMetricQueryServiceAddress() {
        return metricQueryServiceAddress;
    }

    @Nonnull
    public JobGraphWriter getJobGraphWriter() {
        return jobGraphWriter;
    }

    @Nonnull
    JobManagerRunnerFactory getJobManagerRunnerFactory() {
        return jobManagerRunnerFactory;
    }

    @Nonnull
    public Executor getIoExecutor() {
        return ioExecutor;
    }

    public static DispatcherServices from(
            @Nonnull
                    PartialDispatcherServicesWithJobGraphStore
                            partialDispatcherServicesWithJobGraphStore,
            @Nonnull JobManagerRunnerFactory jobManagerRunnerFactory) {
        return new DispatcherServices(
                partialDispatcherServicesWithJobGraphStore.getConfiguration(),
                partialDispatcherServicesWithJobGraphStore.getHighAvailabilityServices(),
                partialDispatcherServicesWithJobGraphStore.getResourceManagerGatewayRetriever(),
                partialDispatcherServicesWithJobGraphStore.getBlobServer(),
                partialDispatcherServicesWithJobGraphStore.getHeartbeatServices(),
                partialDispatcherServicesWithJobGraphStore.getArchivedExecutionGraphStore(),
                partialDispatcherServicesWithJobGraphStore.getFatalErrorHandler(),
                partialDispatcherServicesWithJobGraphStore.getHistoryServerArchivist(),
                partialDispatcherServicesWithJobGraphStore.getMetricQueryServiceAddress(),
                partialDispatcherServicesWithJobGraphStore
                        .getJobManagerMetricGroupFactory()
                        .create(),
                partialDispatcherServicesWithJobGraphStore.getJobGraphWriter(),
                jobManagerRunnerFactory,
                partialDispatcherServicesWithJobGraphStore.getIoExecutor());
    }
}