Examples with ClientIdentity com.alibaba.otter.canal.protocol.ClientIdentity used on opensource projects

Example 11 with ClientIdentity

use of com.alibaba.otter.canal.protocol.ClientIdentity in project canal by alibaba.

the class MetaLogPositionManagerTest method testAll.

@Test
public void testAll() {
    MixedMetaManager metaManager = new MixedMetaManager();
    ZooKeeperMetaManager zooKeeperMetaManager = new ZooKeeperMetaManager();
    zooKeeperMetaManager.setZkClientx(zkclientx);
    metaManager.setZooKeeperMetaManager(zooKeeperMetaManager);
    metaManager.start();
    MetaLogPositionManager logPositionManager = new MetaLogPositionManager();
    logPositionManager.setMetaManager(metaManager);
    logPositionManager.start();
    // 构建meta信息
    ClientIdentity client1 = new ClientIdentity(destination, (short) 1);
    metaManager.subscribe(client1);
    PositionRange range1 = buildRange(1);
    metaManager.updateCursor(client1, range1.getEnd());
    PositionRange range2 = buildRange(2);
    metaManager.updateCursor(client1, range2.getEnd());
    ClientIdentity client2 = new ClientIdentity(destination, (short) 2);
    metaManager.subscribe(client2);
    PositionRange range3 = buildRange(3);
    metaManager.updateCursor(client2, range3.getEnd());
    PositionRange range4 = buildRange(4);
    metaManager.updateCursor(client2, range4.getEnd());
    LogPosition logPosition = logPositionManager.getLatestIndexBy(destination);
    Assert.assertEquals(range2.getEnd(), logPosition);
    metaManager.stop();
    logPositionManager.stop();
}

Example 12 with ClientIdentity

use of com.alibaba.otter.canal.protocol.ClientIdentity in project canal by alibaba.

the class AbstractCanalStoreScavenge method getLatestAckPosition.

/**
     * 找出该destination中可被清理掉的position位置
     * 
     * @param destination
     */
private Position getLatestAckPosition(String destination) {
    List<ClientIdentity> clientIdentitys = canalMetaManager.listAllSubscribeInfo(destination);
    LogPosition result = null;
    if (!CollectionUtils.isEmpty(clientIdentitys)) {
        // 尝试找到一个最小的logPosition
        for (ClientIdentity clientIdentity : clientIdentitys) {
            LogPosition position = (LogPosition) canalMetaManager.getCursor(clientIdentity);
            if (position == null) {
                continue;
            }
            if (result == null) {
                result = position;
            } else {
                result = min(result, position);
            }
        }
    }
    return result;
}