本文整理汇总了Java中org.apache.zookeeper.KeeperException.Code.NODEEXISTS属性的典型用法代码示例。如果您正苦于以下问题：Java Code.NODEEXISTS属性的具体用法？Java Code.NODEEXISTS怎么用？Java Code.NODEEXISTS使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.zookeeper.KeeperException.Code的用法示例。
在下文中一共展示了Code.NODEEXISTS属性的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: verifyCreateFailure_NodeExists
public void verifyCreateFailure_NodeExists() {
new StringCB(zk).verifyCreate();
rc = Code.NODEEXISTS;
name = null;
zk.create(path, data, acl, flags, this, toString());
verify();
}
示例2: runWithRetries
T runWithRetries() throws Exception {
int retry = 0;
while (true) {
try {
return runWithCheck();
} catch (KeeperException.NoAuthException nae) {
if (HAUtil.isHAEnabled(getConfig())) {
// NoAuthException possibly means that this store is fenced due to
// another RM becoming active. Even if not,
// it is safer to assume we have been fenced
throw new StoreFencedException();
}
} catch (KeeperException ke) {
if (ke.code() == Code.NODEEXISTS) {
LOG.info("znode already exists!");
return null;
}
if (hasDeleteNodeOp && ke.code() == Code.NONODE) {
LOG.info("znode has already been deleted!");
return null;
}
LOG.info("Exception while executing a ZK operation.", ke);
if (shouldRetry(ke.code()) && ++retry < numRetries) {
LOG.info("Retrying operation on ZK. Retry no. " + retry);
Thread.sleep(zkRetryInterval);
createConnection();
continue;
}
LOG.info("Maxed out ZK retries. Giving up!");
throw ke;
}
}
}
示例3: isNodeExists
private static boolean isNodeExists(Code code) {
return (code == Code.NODEEXISTS);
}
示例4: processTxn
@SuppressWarnings("unchecked")
public ProcessTxnResult processTxn(TxnHeader header, Record txn) {
ProcessTxnResult rc = new ProcessTxnResult();
String debug = "";
try {
rc.clientId = header.getClientId();
rc.cxid = header.getCxid();
rc.zxid = header.getZxid();
rc.type = header.getType();
rc.err = 0;
if (rc.zxid > lastProcessedZxid) {
lastProcessedZxid = rc.zxid;
}
switch (header.getType()) {
case OpCode.create:
CreateTxn createTxn = (CreateTxn) txn;
debug = "Create transaction for " + createTxn.getPath();
createNode(createTxn.getPath(), createTxn.getData(), createTxn
.getAcl(), createTxn.getEphemeral() ? header
.getClientId() : 0, header.getZxid(), header.getTime());
rc.path = createTxn.getPath();
break;
case OpCode.delete:
DeleteTxn deleteTxn = (DeleteTxn) txn;
debug = "Delete transaction for " + deleteTxn.getPath();
deleteNode(deleteTxn.getPath());
break;
case OpCode.setData:
SetDataTxn setDataTxn = (SetDataTxn) txn;
debug = "Set data for transaction for " + setDataTxn.getPath();
rc.stat = setData(setDataTxn.getPath(), setDataTxn.getData(),
setDataTxn.getVersion(), header.getZxid(), header
.getTime());
break;
case OpCode.setACL:
SetACLTxn setACLTxn = (SetACLTxn) txn;
debug = "Set ACL for transaction for " + setACLTxn.getPath();
rc.stat = setACL(setACLTxn.getPath(), setACLTxn.getAcl(),
setACLTxn.getVersion());
break;
case OpCode.closeSession:
killSession(header.getClientId());
break;
case OpCode.error:
ErrorTxn errTxn = (ErrorTxn) txn;
rc.err = errTxn.getErr();
break;
}
} catch (KeeperException e) {
// These are expected errors since we take a lazy snapshot
if (initialized
|| (e.code() != Code.NONODE
&& e.code() != Code.NODEEXISTS)) {
LOG.warn("Failed:" + debug, e);
}
}
return rc;
}