本文整理了Java中org.apache.samza.zk.ZkUtils.unsubscribeChildChanges()
方法的一些代码示例,展示了ZkUtils.unsubscribeChildChanges()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZkUtils.unsubscribeChildChanges()
方法的具体详情如下:
包路径:org.apache.samza.zk.ZkUtils
类名称:ZkUtils
方法名:unsubscribeChildChanges
暂无
代码示例来源:origin: apache/samza
@Override
public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
if (participantIds == null) {
LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
return;
}
LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
// check if all the expected participants are in
if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
if (Objects.equals(barrierState, State.NEW)) {
LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
} else {
LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
}
LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
});
}
}
}
代码示例来源:origin: org.apache.samza/samza-core_2.10
@Override
public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
if (participantIds == null) {
LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
return;
}
LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
// check if all the expected participants are in
if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
if (Objects.equals(barrierState, State.NEW)) {
LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
} else {
LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
}
LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
});
}
}
}
代码示例来源:origin: org.apache.samza/samza-core
@Override
public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
if (participantIds == null) {
LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
return;
}
LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
// check if all the expected participants are in
if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
if (Objects.equals(barrierState, State.NEW)) {
LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
} else {
LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
}
LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
});
}
}
}
代码示例来源:origin: org.apache.samza/samza-core_2.11
@Override
public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
if (participantIds == null) {
LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
return;
}
LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
// check if all the expected participants are in
if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
if (Objects.equals(barrierState, State.NEW)) {
LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
} else {
LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
}
LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
});
}
}
}
代码示例来源:origin: org.apache.samza/samza-core_2.12
@Override
public void doHandleChildChange(String barrierParticipantPath, List<String> participantIds) {
if (participantIds == null) {
LOG.info("Received notification with null participants for barrier: {}. Ignoring it.", barrierParticipantPath);
return;
}
LOG.info(String.format("Current participants in barrier version: %s = %s.", barrierVersion, participantIds));
LOG.info(String.format("Expected participants in barrier version: %s = %s.", barrierVersion, expectedParticipantIds));
// check if all the expected participants are in
if (participantIds.size() == expectedParticipantIds.size() && CollectionUtils.containsAll(participantIds, expectedParticipantIds)) {
debounceTimer.scheduleAfterDebounceTime(ACTION_NAME, 0, () -> {
String barrierStatePath = keyBuilder.getBarrierStatePath(barrierVersion);
State barrierState = zkUtils.getZkClient().readData(barrierStatePath);
if (Objects.equals(barrierState, State.NEW)) {
LOG.info(String.format("Expected participants has joined the barrier version: %s. Marking the barrier state: %s as %s.", barrierVersion, barrierStatePath, State.DONE));
zkUtils.writeData(barrierStatePath, State.DONE); // this will trigger notifications
} else {
LOG.debug(String.format("Barrier version: %s is at: %s state. Not marking barrier as %s.", barrierVersion, barrierState, State.DONE));
}
LOG.info("Unsubscribing child changes on the path: {} for barrier version: {}.", barrierParticipantPath, barrierVersion);
zkUtils.unsubscribeChildChanges(barrierParticipantPath, this);
});
}
}
}
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