本文整理匯總了Java中org.apache.zookeeper.ZooKeeper.States.CONNECTEDREADONLY屬性的典型用法代碼示例。如果您正苦於以下問題：Java States.CONNECTEDREADONLY屬性的具體用法？Java States.CONNECTEDREADONLY怎麽用？Java States.CONNECTEDREADONLY使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類org.apache.zookeeper.ZooKeeper.States的用法示例。
在下文中一共展示了States.CONNECTEDREADONLY屬性的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: onConnected
/**
* Callback invoked by the ClientCnxnSocket once a connection has been
* established.
*
* @param _negotiatedSessionTimeout
* @param _sessionId
* @param _sessionPasswd
* @param isRO
* @throws IOException
*/
void onConnected(int _negotiatedSessionTimeout, long _sessionId,
byte[] _sessionPasswd, boolean isRO) throws IOException {
negotiatedSessionTimeout = _negotiatedSessionTimeout;
if (negotiatedSessionTimeout <= 0) {
state = States.CLOSED;
eventThread.queueEvent(new WatchedEvent(
Watcher.Event.EventType.None,
Watcher.Event.KeeperState.Expired, null));
eventThread.queueEventOfDeath();
String warnInfo;
warnInfo = "Unable to reconnect to ZooKeeper service, session 0x"
+ Long.toHexString(sessionId) + " has expired";
LOG.warn(warnInfo);
throw new SessionExpiredException(warnInfo);
}
if (!readOnly && isRO) {
LOG.error("Read/write client got connected to read-only server");
}
readTimeout = negotiatedSessionTimeout * 2 / 3;
connectTimeout = negotiatedSessionTimeout / hostProvider.size();
hostProvider.onConnected();
sessionId = _sessionId;
sessionPasswd = _sessionPasswd;
state = (isRO) ?
States.CONNECTEDREADONLY : States.CONNECTED;
seenRwServerBefore |= !isRO;
LOG.info("Session establishment complete on server "
+ clientCnxnSocket.getRemoteSocketAddress()
+ ", sessionid = 0x" + Long.toHexString(sessionId)
+ ", negotiated timeout = " + negotiatedSessionTimeout
+ (isRO ? " (READ-ONLY mode)" : ""));
KeeperState eventState = (isRO) ?
KeeperState.ConnectedReadOnly : KeeperState.SyncConnected;
eventThread.queueEvent(new WatchedEvent(
Watcher.Event.EventType.None,
eventState, null));
}
示例2: onConnected
/**
* Callback invoked by the ClientCnxnSocket once a connection has been
* established.
*
* @param _negotiatedSessionTimeout
* @param _sessionId
* @param _sessionPasswd
* @param isRO
* @throws IOException
*/
void onConnected(int _negotiatedSessionTimeout, long _sessionId,
byte[] _sessionPasswd, boolean isRO) throws IOException {
negotiatedSessionTimeout = _negotiatedSessionTimeout;
if (negotiatedSessionTimeout <= 0) {
state = States.CLOSED;
eventThread.queueEvent(new WatchedEvent(
Watcher.Event.EventType.None,
Watcher.Event.KeeperState.Expired, null));
eventThread.queueEventOfDeath();
throw new SessionExpiredException(
"Unable to reconnect to ZooKeeper service, session 0x"
+ Long.toHexString(sessionId) + " has expired");
}
if (!readOnly && isRO) {
LOG.error("Read/write client got connected to read-only server");
}
readTimeout = negotiatedSessionTimeout * 2 / 3;
connectTimeout = negotiatedSessionTimeout / hostProvider.size();
hostProvider.onConnected();
sessionId = _sessionId;
sessionPasswd = _sessionPasswd;
state = (isRO) ?
States.CONNECTEDREADONLY : States.CONNECTED;
seenRwServerBefore |= !isRO;
LOG.info("Session establishment complete on server "
+ clientCnxnSocket.getRemoteSocketAddress()
+ ", sessionid = 0x" + Long.toHexString(sessionId)
+ ", negotiated timeout = " + negotiatedSessionTimeout
+ (isRO ? " (READ-ONLY mode)" : ""));
KeeperState eventState = (isRO) ?
KeeperState.ConnectedReadOnly : KeeperState.SyncConnected;
eventThread.queueEvent(new WatchedEvent(
Watcher.Event.EventType.None,
eventState, null));
}
示例3: testConnectionEvents
/**
* Ensures that upon connection to a read-only server client receives
* ConnectedReadOnly state notification.
*/
@Test
public void testConnectionEvents() throws Exception {
final List<KeeperState> states = new ArrayList<KeeperState>();
ZooKeeper zk = new ZooKeeper(qu.getConnString(), CONNECTION_TIMEOUT,
new Watcher() {
public void process(WatchedEvent event) {
states.add(event.getState());
}
}, true);
boolean success = false;
for (int i = 0; i < 30; i++) {
try {
zk.create("/test", "test".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
success=true;
break;
} catch(KeeperException.ConnectionLossException e) {
Thread.sleep(1000);
}
}
Assert.assertTrue("Did not succeed in connecting in 30s", success);
// kill peer and wait no more than 5 seconds for read-only server
// to be started (which should take one tickTime (2 seconds))
qu.shutdown(2);
long start = System.currentTimeMillis();
while (!(zk.getState() == States.CONNECTEDREADONLY)) {
Thread.sleep(200);
Assert.assertTrue("Can't connect to the server", System
.currentTimeMillis()
- start < 5000);
}
// At this point states list should contain, in the given order,
// SyncConnected, Disconnected, and ConnectedReadOnly states
Assert.assertTrue("ConnectedReadOnly event wasn't received", states
.get(2) == KeeperState.ConnectedReadOnly);
zk.close();
}
示例4: onConnected
/**
* Callback invoked by the ClientCnxnSocket once a connection has been
* established.
*
* @param _negotiatedSessionTimeout
* @param _sessionId
* @param _sessionPasswd
* @param isRO
* @throws IOException
*/
void onConnected(int _negotiatedSessionTimeout, long _sessionId,
byte[] _sessionPasswd, boolean isRO) throws IOException {
negotiatedSessionTimeout = _negotiatedSessionTimeout;
if (negotiatedSessionTimeout <= 0) {
state = States.CLOSED;
eventThread.queueEvent(new WatchedEvent(
Watcher.Event.EventType.None,
Watcher.Event.KeeperState.Expired, null));
eventThread.queueEventOfDeath();
throw new SessionExpiredException(
"Unable to reconnect to ZooKeeper service, session 0x"
+ Long.toHexString(sessionId) + " has expired");
}
if (!readOnly && isRO) {
LOG.error("Read/write client got connected to read-only server");
}
readTimeout = negotiatedSessionTimeout * 2 / 3;
connectTimeout = negotiatedSessionTimeout / hostProvider.size();
hostProvider.onConnected();
sessionId = _sessionId;
sessionPasswd = _sessionPasswd;
state = (isRO) ?
States.CONNECTEDREADONLY : States.CONNECTED;
seenRwServerBefore |= !isRO;
LOG.info("Session establishment complete on server "
+ clientCnxnSocket.getRemoteSocketAddress()
+ ", sessionid = 0x" + Long.toHexString(sessionId)
+ ", negotiated timeout = " + negotiatedSessionTimeout
+ (isRO ? " (READ-ONLY mode)" : ""));
KeeperState eventState = (isRO) ?
KeeperState.ConnectedReadOnly : KeeperState.SyncConnected;
eventThread.queueEvent(new WatchedEvent(
Watcher.Event.EventType.None,
eventState, null));
}
示例5: testConnectionEvents
/**
* Ensures that upon connection to a read-only server client receives
* ConnectedReadOnly state notification.
*/
@Test(timeout = 90000)
public void testConnectionEvents() throws Exception {
final List<KeeperState> states = new ArrayList<KeeperState>();
ZooKeeper zk = new ZooKeeper(qu.getConnString(), CONNECTION_TIMEOUT,
new Watcher() {
public void process(WatchedEvent event) {
states.add(event.getState());
}
}, true);
boolean success = false;
for (int i = 0; i < 30; i++) {
try {
zk.create("/test", "test".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
success=true;
break;
} catch(KeeperException.ConnectionLossException e) {
Thread.sleep(1000);
}
}
Assert.assertTrue("Did not succeed in connecting in 30s", success);
// kill peer and wait no more than 5 seconds for read-only server
// to be started (which should take one tickTime (2 seconds))
qu.shutdown(2);
long start = System.currentTimeMillis();
while (!(zk.getState() == States.CONNECTEDREADONLY)) {
Thread.sleep(200);
// FIXME this was originally 5 seconds, but realistically, on random/slow/virt hosts, there is no way to guarantee this
Assert.assertTrue("Can't connect to the server", System
.currentTimeMillis()
- start < 30000);
}
// At this point states list should contain, in the given order,
// SyncConnected, Disconnected, and ConnectedReadOnly states
Assert.assertTrue("ConnectedReadOnly event wasn't received", states
.get(2) == KeeperState.ConnectedReadOnly);
zk.close();
}
示例6: testConnectionEvents
/**
* Ensures that upon connection to a read-only server client receives
* ConnectedReadOnly state notification.
*/
@Test
public void testConnectionEvents() throws Exception {
final List<KeeperState> states = new ArrayList<KeeperState>();
ZooKeeper zk = new ZooKeeper(qu.getConnString(), CONNECTION_TIMEOUT,
new Watcher() {
public void process(WatchedEvent event) {
states.add(event.getState());
}
}, true);
boolean success = false;
for (int i = 0; i < 30; i++) {
try {
zk.create("/test", "test".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
success=true;
break;
} catch(KeeperException.ConnectionLossException e) {
Thread.sleep(1000);
}
}
Assert.assertTrue("Did not succeed in connecting in 30s", success);
// kill peer and wait no more than 5 seconds for read-only server
// to be started (which should take one tickTime (2 seconds))
qu.shutdown(2);
long start = System.currentTimeMillis();
while (!(zk.getState() == States.CONNECTEDREADONLY)) {
Thread.sleep(200);
// FIXME this was originally 5 seconds, but realistically, on random/slow/virt hosts, there is no way to guarantee this
Assert.assertTrue("Can't connect to the server", System
.currentTimeMillis()
- start < 30000);
}
// At this point states list should contain, in the given order,
// SyncConnected, Disconnected, and ConnectedReadOnly states
Assert.assertTrue("ConnectedReadOnly event wasn't received", states
.get(2) == KeeperState.ConnectedReadOnly);
zk.close();
}
示例7: testConnectionEvents
/**
* Ensures that upon connection to a read-only server client receives
* ConnectedReadOnly state notification.
*/
@Test(timeout = 90000)
public void testConnectionEvents() throws Exception {
final List<KeeperState> states = new ArrayList<KeeperState>();
ZooKeeper zk = new ZooKeeper(qu.getConnString(), CONNECTION_TIMEOUT,
new Watcher() {
public void process(WatchedEvent event) {
states.add(event.getState());
}
}, true);
boolean success = false;
for (int i = 0; i < 30; i++) {
try {
zk.create("/test", "test".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
success=true;
break;
} catch(KeeperException.ConnectionLossException e) {
Thread.sleep(1000);
}
}
Assert.assertTrue("Did not succeed in connecting in 30s", success);
// kill peer and wait no more than 5 seconds for read-only server
// to be started (which should take one tickTime (2 seconds))
qu.shutdown(2);
// Re-connect the client (in case we were connected to the shut down
// server and the local session was not persisted).
zk = new ZooKeeper(qu.getConnString(), CONNECTION_TIMEOUT,
new Watcher() {
public void process(WatchedEvent event) {
states.add(event.getState());
}
}, true);
long start = Time.currentElapsedTime();
while (!(zk.getState() == States.CONNECTEDREADONLY)) {
Thread.sleep(200);
// FIXME this was originally 5 seconds, but realistically, on random/slow/virt hosts, there is no way to guarantee this
Assert.assertTrue("Can't connect to the server",
Time.currentElapsedTime() - start < 30000);
}
// At this point states list should contain, in the given order,
// SyncConnected, Disconnected, and ConnectedReadOnly states
Assert.assertTrue("ConnectedReadOnly event wasn't received", states
.get(2) == KeeperState.ConnectedReadOnly);
zk.close();
}