com.googlesource.gerrit.plugins.replication.OnStartStop.java Source code

Introduction

Here is the source code for com.googlesource.gerrit.plugins.replication.OnStartStop.java

Source

// Copyright (C) 2012 The Android Open Source Project
//
// 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
//
// 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 com.googlesource.gerrit.plugins.replication;

import com.google.common.util.concurrent.Atomics;
import com.google.gerrit.common.EventDispatcher;
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.extensions.systemstatus.ServerInformation;
import com.google.inject.Inject;

import com.googlesource.gerrit.plugins.replication.PushResultProcessing.GitUpdateProcessing;

import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;

public class OnStartStop implements LifecycleListener {
    private final AtomicReference<Future<?>> pushAllFuture;
    private final ServerInformation srvInfo;
    private final PushAll.Factory pushAll;
    private final ReplicationQueue queue;
    private final ReplicationConfig config;
    private final DynamicItem<EventDispatcher> eventDispatcher;

    @Inject
    protected OnStartStop(ServerInformation srvInfo, PushAll.Factory pushAll, ReplicationQueue queue,
            ReplicationConfig config, DynamicItem<EventDispatcher> eventDispatcher) {
        this.srvInfo = srvInfo;
        this.pushAll = pushAll;
        this.queue = queue;
        this.config = config;
        this.eventDispatcher = eventDispatcher;
        this.pushAllFuture = Atomics.newReference();
    }

    @Override
    public void start() {
        queue.start();

        if (srvInfo.getState() == ServerInformation.State.STARTUP && config.isReplicateAllOnPluginStart()) {
            ReplicationState state = new ReplicationState(new GitUpdateProcessing(eventDispatcher.get()));
            pushAllFuture.set(pushAll.create(null, ReplicationFilter.all(), state).schedule(30, TimeUnit.SECONDS));
        }
    }

    @Override
    public void stop() {
        Future<?> f = pushAllFuture.getAndSet(null);
        if (f != null) {
            f.cancel(true);
        }
        queue.stop();
    }
}