@Test
public void testCheckVersion() throws Exception {
CuratorFramework client =
CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try {
client.create().forPath("/foo");
Stat stat = client.setData().forPath("/foo", "new".getBytes()); // up the version
try {
client
.inTransaction()
.check()
.withVersion(stat.getVersion() + 1)
.forPath("/foo") // force a bad version
.and()
.create()
.forPath("/bar")
.and()
.commit();
Assert.fail();
} catch (KeeperException.BadVersionException correct) {
// correct
}
Assert.assertNull(client.checkExists().forPath("/bar"));
} finally {
client.close();
}
}
@Test
public void testBasic() throws Exception {
CuratorFramework client =
CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try {
Collection<CuratorTransactionResult> results =
client
.inTransaction()
.create()
.forPath("/foo")
.and()
.create()
.forPath("/foo/bar", "snafu".getBytes())
.and()
.commit();
Assert.assertTrue(client.checkExists().forPath("/foo/bar") != null);
Assert.assertEquals(client.getData().forPath("/foo/bar"), "snafu".getBytes());
CuratorTransactionResult fooResult =
Iterables.find(
results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo"));
CuratorTransactionResult fooBarResult =
Iterables.find(
results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/foo/bar"));
Assert.assertNotNull(fooResult);
Assert.assertNotNull(fooBarResult);
Assert.assertNotSame(fooResult, fooBarResult);
Assert.assertEquals(fooResult.getResultPath(), "/foo");
Assert.assertEquals(fooBarResult.getResultPath(), "/foo/bar");
} finally {
client.close();
}
}
@Test
public void testWithNamespace() throws Exception {
CuratorFramework client =
CuratorFrameworkFactory.builder()
.connectString(server.getConnectString())
.retryPolicy(new RetryOneTime(1))
.namespace("galt")
.build();
client.start();
try {
Collection<CuratorTransactionResult> results =
client
.inTransaction()
.create()
.forPath("/foo", "one".getBytes())
.and()
.create()
.withMode(CreateMode.PERSISTENT_SEQUENTIAL)
.forPath("/test-", "one".getBytes())
.and()
.setData()
.forPath("/foo", "two".getBytes())
.and()
.create()
.forPath("/foo/bar")
.and()
.delete()
.forPath("/foo/bar")
.and()
.commit();
Assert.assertTrue(client.checkExists().forPath("/foo") != null);
Assert.assertTrue(client.nonNamespaceView().checkExists().forPath("/galt/foo") != null);
Assert.assertEquals(client.getData().forPath("/foo"), "two".getBytes());
Assert.assertTrue(client.checkExists().forPath("/foo/bar") == null);
CuratorTransactionResult ephemeralResult =
Iterables.find(
results, CuratorTransactionResult.ofTypeAndPath(OperationType.CREATE, "/test-"));
Assert.assertNotNull(ephemeralResult);
Assert.assertNotEquals(ephemeralResult.getResultPath(), "/test-");
Assert.assertTrue(ephemeralResult.getResultPath().startsWith("/test-"));
} finally {
client.close();
}
}