Examples with MainstemMonitor com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MainstemMonitor used on opensource projects

Example 1 with MainstemMonitor

use of com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MainstemMonitor in project otter by alibaba.

the class MainStemArbitrateEvent method release.

/**
     * 释放mainStem的节点，重新选择工作节点
     */
public void release(Long pipelineId) {
    MainstemMonitor mainstemMonitor = ArbitrateFactory.getInstance(pipelineId, MainstemMonitor.class);
    mainstemMonitor.releaseMainstem();
}

Example 2 with MainstemMonitor

use of com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MainstemMonitor in project otter by alibaba.

the class MainStemArbitrateEvent method single.

/**
     * 更新mainStem的同步状态数据
     */
public void single(MainStemEventData data) {
    MainstemMonitor mainstemMonitor = ArbitrateFactory.getInstance(data.getPipelineId(), MainstemMonitor.class);
    mainstemMonitor.single(data);
}

Example 3 with MainstemMonitor

use of com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MainstemMonitor in project otter by alibaba.

the class MainStemMonitorTest method testManualRelease.

@Test
public void testManualRelease() {
    MainstemMonitor mainstemMonitor = ArbitrateFactory.getInstance(pipelineId, MainstemMonitor.class);
    boolean running = mainstemMonitor.check();
    want.bool(running).is(true);
    mainstemMonitor.setDelayTime(5);
    switchWarmup(channelId, pipelineId);
    // 等manual release被响应
    sleep(1000L);
    long start = System.currentTimeMillis();
    try {
        mainstemMonitor.waitForActive();
    } catch (InterruptedException e) {
        want.fail();
    }
    want.number(System.currentTimeMillis() - start).isGe(4000L);
    ArbitrateFactory.destory(pipelineId);
    mainstemMonitor.releaseMainstem();
}

Example 4 with MainstemMonitor

use of com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MainstemMonitor in project otter by alibaba.

the class MainStemMonitorTest method testInit.

@Test
public void testInit() {
    MainstemMonitor mainstemMonitor = ArbitrateFactory.getInstance(pipelineId, MainstemMonitor.class);
    boolean running = mainstemMonitor.check();
    want.bool(running).is(true);
    try {
        mainstemMonitor.waitForActive();
    } catch (InterruptedException e) {
        want.fail();
    }
    ArbitrateFactory.destory(pipelineId);
    mainstemMonitor.releaseMainstem();
}

Example 5 with MainstemMonitor

use of com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MainstemMonitor in project otter by alibaba.

the class MainStemArbitrateEvent method await.

/**
     * <pre>
     * 算法:
     * 1. 检查当前的Permit，阻塞等待其授权(解决Channel的pause状态处理)
     * 2. 尝试创建对应的mainStem节点(非持久化节点)
     *  a. 如果创建成功，则直接构造结果返回
     *  b. 如果创建失败，则关注该节点的exist信号. 继续执行步骤2
     * </pre>
     */
public void await(Long pipelineId) throws InterruptedException {
    Assert.notNull(pipelineId);
    PermitMonitor permitMonitor = ArbitrateFactory.getInstance(pipelineId, PermitMonitor.class);
    ChannelStatus status = permitMonitor.getChannelPermit(true);
    boolean isRuning = check(pipelineId);
    if (!status.isStart() && isRuning) {
        // 当前状态不为启动，强制设置为taking，下次授权启动后重新追数据
        MainStemEventData data = new MainStemEventData();
        data.setPipelineId(pipelineId);
        data.setStatus(MainStemEventData.Status.TAKEING);
        single(data);
        // 阻塞等待挂起
        permitMonitor.waitForChannelPermit();
        return;
    } else if (status.isStart() && isRuning) {
        // 正常状态
        return;
    } else if (isRuning == false) {
        if (!status.isStart()) {
            // 阻塞等待挂起
            permitMonitor.waitForChannelPermit();
        }
        MainstemMonitor mainstemMonitor = ArbitrateFactory.getInstance(pipelineId, MainstemMonitor.class);
        // 等待自己成为active
        mainstemMonitor.waitForActive();
        status = permitMonitor.getChannelPermit(false);
        if (status.isStart()) {
            return;
        } else {
            logger.info("pipelineId[{}] mainstem ignore by status[{}]", new Object[] { pipelineId, status });
            // 重新进行check一次
            await(pipelineId);
        }
    }
}