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/*
 * Copyright 2022-2024 Ponfee (http://www.ponfee.cn/)
 *
 * Licensed 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
 *
 *     https://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 cn.ponfee.disjob.supervisor.provider;

import cn.ponfee.disjob.common.date.Dates;
import cn.ponfee.disjob.common.spring.RpcController;
import cn.ponfee.disjob.core.base.JobConstants;
import cn.ponfee.disjob.core.base.RegistryEventType;
import cn.ponfee.disjob.core.base.Supervisor;
import cn.ponfee.disjob.core.base.Worker;
import cn.ponfee.disjob.core.dto.supervisor.StartTaskParam;
import cn.ponfee.disjob.core.dto.supervisor.StartTaskResult;
import cn.ponfee.disjob.core.dto.supervisor.StopTaskParam;
import cn.ponfee.disjob.core.enums.Operation;
import cn.ponfee.disjob.registry.SupervisorRegistry;
import cn.ponfee.disjob.supervisor.application.SupervisorEventSubscribeService;
import cn.ponfee.disjob.supervisor.auth.SupervisorAuthentication;
import cn.ponfee.disjob.supervisor.auth.SupervisorAuthentication.Subject;
import cn.ponfee.disjob.supervisor.base.ExtendedSupervisorRpcService;
import cn.ponfee.disjob.supervisor.base.SupervisorEvent;
import cn.ponfee.disjob.supervisor.base.SupervisorMetrics;
import cn.ponfee.disjob.supervisor.component.JobManager;
import lombok.RequiredArgsConstructor;

import java.util.List;

/**
 * Supervisor rpc provider.
 *
 * @author Ponfee
 */
@RpcController
@SupervisorAuthentication(Subject.WORKER)
@RequiredArgsConstructor
public class SupervisorRpcProvider implements ExtendedSupervisorRpcService {

    private final SupervisorRegistry supervisorRegistry;
    private final JobManager jobManager;
    private final Supervisor.Local localSupervisor;

    // -------------------------------------------------------for worker invoke method

    @Override
    public void subscribeWorkerChanged(RegistryEventType eventType, Worker worker) {
        supervisorRegistry.subscribeServerChanged(eventType, worker);
    }

    @Override
    public void updateTaskWorker(String worker, List taskIds) {
        jobManager.updateTaskWorker(worker, taskIds);
    }

    @Override
    public StartTaskResult startTask(StartTaskParam param) {
        return jobManager.startTask(param);
    }

    @Override
    public boolean stopTask(StopTaskParam param) {
        return jobManager.stopTask(param);
    }

    @Override
    public boolean pauseInstance(long instanceId) {
        return jobManager.pauseInstance(instanceId);
    }

    @Override
    public boolean cancelInstance(long instanceId, Operation operation) {
        return jobManager.cancelInstance(instanceId, operation);
    }

    @Override
    public boolean savepoint(long taskId, String worker, String executeSnapshot) {
        return jobManager.savepoint(taskId, worker, executeSnapshot);
    }

    // -------------------------------------------------------for other supervisor invoke method

    @SupervisorAuthentication(Subject.ANON)
    @Override
    public SupervisorMetrics getMetrics() {
        SupervisorMetrics metrics = new SupervisorMetrics();
        metrics.setVersion(JobConstants.VERSION);
        metrics.setStartupTime(Dates.toDate(localSupervisor.getStartupTime()));
        metrics.setAlsoWorker(Worker.local() != null);
        return metrics;
    }

    @SupervisorAuthentication(Subject.ANON)
    @Override
    public void publishEvent(SupervisorEvent event) {
        SupervisorEventSubscribeService.subscribe(event);
    }

}