本文整理匯總了Java中org.apache.zookeeper.ZooKeeper.transaction方法的典型用法代碼示例。如果您正苦於以下問題：Java ZooKeeper.transaction方法的具體用法？Java ZooKeeper.transaction怎麽用？Java ZooKeeper.transaction使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.zookeeper.ZooKeeper的用法示例。
在下文中一共展示了ZooKeeper.transaction方法的1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: testMultiTransaction
import org.apache.zookeeper.ZooKeeper; //導入方法依賴的package包/類
/**
* Test write operations using multi request.
*/
@Test(timeout = 90000)
public void testMultiTransaction() throws Exception {
CountdownWatcher watcher = new CountdownWatcher();
ZooKeeper zk = new ZooKeeper(qu.getConnString(), CONNECTION_TIMEOUT,
watcher, true);
watcher.waitForConnected(CONNECTION_TIMEOUT); // ensure zk got connected
final String data = "Data to be read in RO mode";
final String node1 = "/tnode1";
final String node2 = "/tnode2";
zk.create(node1, data.getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
watcher.reset();
qu.shutdown(2);
watcher.waitForConnected(CONNECTION_TIMEOUT);
Assert.assertEquals("Should be in r-o mode", States.CONNECTEDREADONLY,
zk.getState());
// read operation during r/o mode
String remoteData = new String(zk.getData(node1, false, null));
Assert.assertEquals("Failed to read data in r-o mode", data, remoteData);
try {
Transaction transaction = zk.transaction();
transaction.setData(node1, "no way".getBytes(), -1);
transaction.create(node2, data.getBytes(),
ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
transaction.commit();
Assert.fail("Write operation using multi-transaction"
+ " api has succeeded during RO mode");
} catch (NotReadOnlyException e) {
// ok
}
Assert.assertNull("Should have created the znode:" + node2,
zk.exists(node2, false));
}