本文整理了Java中org.apache.samza.zk.ZkUtils.exists()方法的一些代码示例，展示了ZkUtils.exists()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.exists()方法的具体详情如下：
包路径：org.apache.samza.zk.ZkUtils
类名称：ZkUtils
方法名：exists

ZkUtils.exists介绍

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代码示例

代码示例来源：origin: apache/samza

boolean predecessorExists = zkUtils.exists(keyBuilder.getProcessorsPath() + "/" + currentSubscription);
if (predecessorExists) {
 LOG.info(zLog("Predecessor still exists. Current subscription is valid. Continuing as non-leader."));

代码示例来源：origin: org.apache.samza/samza-core_2.12

boolean predecessorExists = zkUtils.exists(keyBuilder.getProcessorsPath() + "/" + currentSubscription);
if (predecessorExists) {
 LOG.info(zLog("Predecessor still exists. Current subscription is valid. Continuing as non-leader."));

代码示例来源：origin: org.apache.samza/samza-core_2.11

boolean predecessorExists = zkUtils.exists(keyBuilder.getProcessorsPath() + "/" + currentSubscription);
if (predecessorExists) {
 LOG.info(zLog("Predecessor still exists. Current subscription is valid. Continuing as non-leader."));

代码示例来源：origin: org.apache.samza/samza-core

boolean predecessorExists = zkUtils.exists(keyBuilder.getProcessorsPath() + "/" + currentSubscription);
if (predecessorExists) {
 LOG.info(zLog("Predecessor still exists. Current subscription is valid. Continuing as non-leader."));

代码示例来源：origin: org.apache.samza/samza-core_2.10

boolean predecessorExists = zkUtils.exists(keyBuilder.getProcessorsPath() + "/" + currentSubscription);
if (predecessorExists) {
 LOG.info(zLog("Predecessor still exists. Current subscription is valid. Continuing as non-leader."));

代码示例来源：origin: apache/samza

Assert.assertFalse(zkUtils.exists(root));
Assert.assertTrue(zkUtils.exists(root));
Assert.assertTrue(zkUtils.exists(keyBuilder.getJobModelVersionPath()));
Assert.assertTrue(zkUtils.exists(keyBuilder.getProcessorsPath()));