本文整理汇总了Java中org.apache.zookeeper.server.DataTree.processTxn方法的典型用法代码示例。如果您正苦于以下问题：Java DataTree.processTxn方法的具体用法？Java DataTree.processTxn怎么用？Java DataTree.processTxn使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.zookeeper.server.DataTree的用法示例。
在下文中一共展示了DataTree.processTxn方法的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: processTransaction
import org.apache.zookeeper.server.DataTree; //导入方法依赖的package包/类
/**
* process the transaction on the datatree
* @param hdr the hdr of the transaction
* @param dt the datatree to apply transaction to
* @param sessions the sessions to be restored
* @param txn the transaction to be applied
*/
public void processTransaction(TxnHeader hdr,DataTree dt,
Map<Long, Integer> sessions, Record txn)
throws KeeperException.NoNodeException {
ProcessTxnResult rc;
switch (hdr.getType()) {
case OpCode.createSession:
sessions.put(hdr.getClientId(),
((CreateSessionTxn) txn).getTimeOut());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- create session in log: 0x"
+ Long.toHexString(hdr.getClientId())
+ " with timeout: "
+ ((CreateSessionTxn) txn).getTimeOut());
}
// give dataTree a chance to sync its lastProcessedZxid
rc = dt.processTxn(hdr, txn);
break;
case OpCode.closeSession:
sessions.remove(hdr.getClientId());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- close session in log: 0x"
+ Long.toHexString(hdr.getClientId()));
}
rc = dt.processTxn(hdr, txn);
break;
default:
rc = dt.processTxn(hdr, txn);
}
/**
* Snapshots are lazily created. So when a snapshot is in progress,
* there is a chance for later transactions to make into the
* snapshot. Then when the snapshot is restored, NONODE/NODEEXISTS
* errors could occur. It should be safe to ignore these.
*/
if (rc.err != Code.OK.intValue()) {
LOG.debug("Ignoring processTxn failure hdr:" + hdr.getType()
+ ", error: " + rc.err + ", path: " + rc.path);
}
}
示例2: processTransaction
import org.apache.zookeeper.server.DataTree; //导入方法依赖的package包/类
/**
* process the transaction on the datatree
* @param hdr the hdr of the transaction
* @param dt the datatree to apply transaction to
* @param sessions the sessions to be restored
* @param txn the transaction to be applied
*/
public void processTransaction(TxnHeader hdr,DataTree dt,
Map<Long, Integer> sessions, Record txn)
throws KeeperException.NoNodeException {
ProcessTxnResult rc;
switch (hdr.getType()) {
case OpCode.createSession:
sessions.put(hdr.getClientId(),
((CreateSessionTxn) txn).getTimeOut());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- create session in log: 0x"
+ Long.toHexString(hdr.getClientId())
+ " with timeout: "
+ ((CreateSessionTxn) txn).getTimeOut());
}
// give dataTree a chance to sync its lastProcessedZxid
rc = dt.processTxn(hdr, txn);
break;
case OpCode.closeSession:
sessions.remove(hdr.getClientId());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- close session in log: 0x"
+ Long.toHexString(hdr.getClientId()));
}
rc = dt.processTxn(hdr, txn);
break;
default:
rc = dt.processTxn(hdr, txn);
}
/**
* Snapshots are lazily created. So when a snapshot is in progress,
* there is a chance for later transactions to make into the
* snapshot. Then when the snapshot is restored, NONODE/NODEEXISTS
* errors could occur. It should be safe to ignore these.
*/
if (rc.err != Code.OK.intValue()) {
LOG.debug(
"Ignoring processTxn failure hdr: {}, error: {}, path: {}",
hdr.getType(), rc.err, rc.path);
}
}
示例3: processTransaction
import org.apache.zookeeper.server.DataTree; //导入方法依赖的package包/类
/**
* process the transaction on the datatree
* @param hdr the hdr of the transaction
* @param dt the datatree to apply transaction to
* @param sessions the sessions to be restored
* @param txn the transaction to be applied
*/
public void processTransaction(TxnHeader hdr,DataTree dt,
Map<Long, Integer> sessions, Record txn)
throws KeeperException.NoNodeException {
ProcessTxnResult rc;
switch (hdr.getType()) {
case OpCode.createSession:
sessions.put(hdr.getClientId(),
((CreateSessionTxn) txn).getTimeOut());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- create session in log: 0x"
+ Long.toHexString(hdr.getClientId())
+ " with timeout: "
+ ((CreateSessionTxn) txn).getTimeOut());
}
// give dataTree a chance to sync its lastProcessedZxid
rc = dt.processTxn(hdr, txn);
break;
case OpCode.closeSession:
sessions.remove(hdr.getClientId());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- close session in log: 0x"
+ Long.toHexString(hdr.getClientId()));
}
rc = dt.processTxn(hdr, txn);
break;
default:
rc = dt.processTxn(hdr, txn);
}
/**
* This should never happen. A NONODE can never show up in the
* transaction logs. This is more indicative of a corrupt transaction
* log. Refer ZOOKEEPER-1333 for more info.
*/
if (rc.err != Code.OK.intValue()) {
if (hdr.getType() == OpCode.create && rc.err == Code.NONODE.intValue()) {
int lastSlash = rc.path.lastIndexOf('/');
String parentName = rc.path.substring(0, lastSlash);
LOG.error("Parent {} missing for {}", parentName, rc.path);
throw new KeeperException.NoNodeException(parentName);
} else {
LOG.debug("Ignoring processTxn failure hdr: " + hdr.getType() +
" : error: " + rc.err);
}
}
}
示例4: processTransaction
import org.apache.zookeeper.server.DataTree; //导入方法依赖的package包/类
/**
* process the transaction on the datatree
* @param hdr the hdr of the transaction
* @param dt the datatree to apply transaction to
* @param sessions the sessions to be restored
* @param txn the transaction to be applied
*/
public void processTransaction(TxnHeader hdr,DataTree dt,
Map<Long, Integer> sessions, Record txn)
throws KeeperException.NoNodeException {
ProcessTxnResult rc;
switch (hdr.getType()) {
case OpCode.createSession:
sessions.put(hdr.getClientId(),
((CreateSessionTxn) txn).getTimeOut());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- create session in log: "
+ Long.toHexString(hdr.getClientId())
+ " with timeout: "
+ ((CreateSessionTxn) txn).getTimeOut());
}
// give dataTree a chance to sync its lastProcessedZxid
rc = dt.processTxn(hdr, txn);
break;
case OpCode.closeSession:
sessions.remove(hdr.getClientId());
if (LOG.isTraceEnabled()) {
ZooTrace.logTraceMessage(LOG,ZooTrace.SESSION_TRACE_MASK,
"playLog --- close session in log: "
+ Long.toHexString(hdr.getClientId()));
}
rc = dt.processTxn(hdr, txn);
break;
default:
rc = dt.processTxn(hdr, txn);
}
/**
* Snapshots are taken lazily. It can happen that the child
* znodes of a parent are modified (deleted or created) after the parent
* is serialized. Therefore, while replaying logs during restore, a
* delete/create might fail because the node was already
* deleted/created.
*
* After seeing this failure, we should increment
* the cversion of the parent znode since the parent was serialized
* before its children.
*
* Note, such failures on DT should be seen only during
* restore.
*/
if ((hdr.getType() == OpCode.create &&
rc.err == Code.NODEEXISTS.intValue()) &&
((CreateTxn)txn).getParentCVersion() == -1) {
LOG.debug("Failed Txn: " + hdr.getType() + " path:" +
rc.path + " err: " + rc.err);
int lastSlash = rc.path.lastIndexOf('/');
String parentName = rc.path.substring(0, lastSlash);
try {
dt.incrementCversion(parentName, hdr.getZxid());
} catch (KeeperException.NoNodeException e) {
LOG.error("Failed to increment parent cversion for: " +
parentName, e);
throw e;
}
} else if (rc.err != Code.OK.intValue()) {
LOG.debug("Ignoring processTxn failure hdr: " + hdr.getType() +
" : error: " + rc.err);
}
}