本文整理了Java中com.facebook.zookeeper.ZkUtil
类的一些代码示例,展示了ZkUtil
类的具体用法。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。ZkUtil
类的具体详情如下:
包路径:com.facebook.zookeeper.ZkUtil
类名称:ZkUtil
暂无
代码示例来源:origin: facebook/jcommon
public static String decode(byte[] byteData) {
return ZkUtil.bytesToString(byteData);
}
}
代码示例来源:origin: facebook/jcommon
@Override
public byte[] encode() {
return ZkUtil.stringToBytes(strData);
}
代码示例来源:origin: facebook/jcommon
public List<String> filterByBaseName(List<String> nodes) {
return ZkUtil.filterByPrefix(nodes, baseCandidateName + NAME_DELIM);
}
}
代码示例来源:origin: facebook/jcommon
private void printDetailed(String zNodePath)
throws InterruptedException, KeeperException {
Stat stat = new Stat();
byte[] rawData = getZk().getData(zNodePath, null, stat);
String data =
(rawData == null) ? "<NULL>" : "'" + ZkUtil.bytesToString(rawData) + "'";
System.out.print(String.format("%-40s ", zNodePath));
System.out.print(String.format("Data: %-20s ", data));
System.out.print(String.format("Data Length: %-5d ", stat.getDataLength()));
System.out.print(String.format("NumChildren: %-5d ", stat.getNumChildren()));
System.out.print(String.format("Children Changes: %-20d ", stat.getCversion()));
System.out.print(String.format("Ephemeral Owner: %-20d ", stat.getEphemeralOwner()));
System.out.print(String.format("Version: %-20d ", stat.getVersion()));
System.out.print(String.format("Time Modified: %-20d ", stat.getMtime()));
System.out.print(String.format("Time Created: %-20d", stat.getCtime()));
System.out.print("\n");
}
代码示例来源:origin: facebook/jcommon
ZkUtil.stringToBytes(keyword),
-1
);
代码示例来源:origin: facebook/jcommon
private String findMyEphemeralSequentialNode(String path)
throws KeeperException, InterruptedException {
int lastSlashIdx = path.lastIndexOf('/');
assert(lastSlashIdx != -1);
String parent = path.substring(0, lastSlashIdx);
String nodePrefix = path.substring(lastSlashIdx+1);
List<String> nodes = zk.getChildren(parent, false);
List<String> matching = ZkUtil.filterByPrefix(nodes, nodePrefix);
for (String node : matching) {
String nodePath = parent + "/" + node;
Stat stat = zk.exists(nodePath, false);
if (stat != null && stat.getEphemeralOwner() == zk.getSessionId()) {
return nodePath;
}
}
return null;
}
代码示例来源:origin: facebook/jcommon
private void internalPrunePersistent(
ZkGenericPath path, String keyword, Set<String> keepSet
) throws InterruptedException, KeeperException {
if (isEphemeral(path.toString())) {
// We should only be scanning persistent nodes (although we may delete
// ephemeral nodes in order to remove a parent persistent node)
return;
}
if (keepSet.contains(path.toString())) {
try {
ZooKeeperIface zk = getZk();
byte[] data = zk.getData(path.toString(), false, null);
if (data != null &&
keyword.equals(ZkUtil.bytesToString(data))
) {
zk.setData(path.toString(), new byte[0], -1);
}
List<String> children = zk.getChildren(path.toString(), null);
for (String child : children) {
internalPrunePersistent(path.appendChild(child), keyword, keepSet);
}
} catch (KeeperException.NoNodeException e) {
// If the node disappears while scanning it, then just ignore
}
} else {
deleteSubtree(path, keyword);
}
}
代码示例来源:origin: com.facebook.jcommon/zookeeper
@Override
public byte[] encode() {
return ZkUtil.stringToBytes(strData);
}
代码示例来源:origin: com.facebook.jcommon/zookeeper
public static String decode(byte[] byteData) {
return ZkUtil.bytesToString(byteData);
}
}
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