private synchronized boolean waitForConnect(ZooKeeper zk, long timeout)
throws InterruptedException {
connected = (zk.getState() == States.CONNECTED);
long end = Time.currentElapsedTime() + timeout;
while (!connected && end > Time.currentElapsedTime()) {
wait(timeout);
connected = (zk.getState() == States.CONNECTED);
}
return connected;
}
public synchronized void initConfigInZKDatabase(QuorumVerifier qv) {
if (qv == null) return; // only happens during tests
try {
if (this.dataTree.getNode(ZooDefs.CONFIG_NODE) == null) {
// should only happen during upgrade
LOG.warn(
"configuration znode missing (hould only happen during upgrade), creating the node");
this.dataTree.addConfigNode();
}
this.dataTree.setData(
ZooDefs.CONFIG_NODE,
qv.toString().getBytes(),
-1,
qv.getVersion(),
Time.currentWallTime());
} catch (NoNodeException e) {
System.out.println("configuration node missing - should not happen");
}
}
void updateNow() {
now = Time.currentElapsedTime();
}