本文整理了Java中com.twitter.distributedlog.acl.ZKAccessControl.read()方法的一些代码示例，展示了ZKAccessControl.read()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。ZKAccessControl.read()方法的具体详情如下：
包路径：com.twitter.distributedlog.acl.ZKAccessControl
类名称：ZKAccessControl
方法名：read

ZKAccessControl.read介绍

暂无

代码示例

代码示例来源：origin: twitter/distributedlog

private void fetchDefaultAccessControlEntry(final Promise<ZKAccessControl> promise) {
  ZKAccessControl.read(zkc, zkRootPath, this)
    .addEventListener(new FutureEventListener<ZKAccessControl>() {
      @Override
      public void onSuccess(ZKAccessControl accessControl) {
        logger.info("Default Access Control will be changed from {} to {}",
              ZKAccessControlManager.this.defaultAccessControl,
              accessControl);
        ZKAccessControlManager.this.defaultAccessControl = accessControl;
        promise.setValue(accessControl);
      }
      @Override
      public void onFailure(Throwable cause) {
        if (cause instanceof KeeperException.NoNodeException) {
          logger.info("Default Access Control is missing, creating one for {} ...", zkRootPath);
          createDefaultAccessControlEntryIfNeeded(promise);
        } else {
          promise.setException(cause);
        }
      }
    });
}

代码示例来源：origin: twitter/distributedlog

protected ZKAccessControl getZKAccessControl(ZooKeeperClient zkc, String zkPath) throws Exception {
  ZKAccessControl accessControl;
  try {
    accessControl = Await.result(ZKAccessControl.read(zkc, zkPath, null));
  } catch (KeeperException.NoNodeException nne) {
    accessControl = new ZKAccessControl(new AccessControlEntry(), zkPath);
  }
  return accessControl;
}

代码示例来源：origin: twitter/distributedlog

for (String s : streamsReceived) {
  final String streamName = s;
  ZKAccessControl.read(zkc, zkRootPath + "/" + streamName, null)
      .addEventListener(new FutureEventListener<ZKAccessControl>() {

代码示例来源：origin: twitter/distributedlog

@Test(timeout = 60000)
public void testCorruptedZKAccessControl() throws Exception {
  String zkPath = "/corrupted-zk-access-control";
  zkc.get().create(zkPath, "corrupted-data".getBytes(UTF_8), zkc.getDefaultACL(), CreateMode.PERSISTENT);
  try {
    Await.result(ZKAccessControl.read(zkc, zkPath, null));
  } catch (ZKAccessControl.CorruptedAccessControlException cace) {
    // expected
  }
}

代码示例来源：origin: twitter/distributedlog

@Test(timeout = 60000)
public void testEmptyZKAccessControl() throws Exception {
  String zkPath = "/empty-access-control";
  zkc.get().create(zkPath, new byte[0], zkc.getDefaultACL(), CreateMode.PERSISTENT);
  ZKAccessControl readZKAC = Await.result(ZKAccessControl.read(zkc, zkPath, null));
  assertEquals(zkPath, readZKAC.zkPath);
  assertEquals(ZKAccessControl.DEFAULT_ACCESS_CONTROL_ENTRY, readZKAC.getAccessControlEntry());
  assertTrue(ZKAccessControl.DEFAULT_ACCESS_CONTROL_ENTRY == readZKAC.getAccessControlEntry());
}

代码示例来源：origin: twitter/distributedlog

@Test(timeout = 60000)
public void testDeleteZKAccessControl() throws Exception {
  String zkPath = "/delete-zk-access-control";
  AccessControlEntry ace = new AccessControlEntry();
  ace.setDenyDelete(true);
  ZKAccessControl zkac = new ZKAccessControl(ace, zkPath);
  Await.result(zkac.create(zkc));
  ZKAccessControl readZKAC = Await.result(ZKAccessControl.read(zkc, zkPath, null));
  assertEquals(zkac, readZKAC);
  Await.result(ZKAccessControl.delete(zkc, zkPath));
  try {
    Await.result(ZKAccessControl.read(zkc, zkPath, null));
  } catch (KeeperException.NoNodeException nne) {
    // expected.
  }
  Await.result(ZKAccessControl.delete(zkc, zkPath));
}

代码示例来源：origin: twitter/distributedlog

@Test(timeout = 60000)
  public void testUpdateZKAccessControl() throws Exception {
    String zkPath = "/update-zk-access-control";

    AccessControlEntry ace = new AccessControlEntry();
    ace.setDenyDelete(true);

    ZKAccessControl zkac = new ZKAccessControl(ace, zkPath);
    Await.result(zkac.create(zkc));

    ZKAccessControl readZKAC = Await.result(ZKAccessControl.read(zkc, zkPath, null));
    assertEquals(zkac, readZKAC);

    ace.setDenyRelease(true);
    ZKAccessControl newZKAC = new ZKAccessControl(ace, zkPath);
    Await.result(newZKAC.update(zkc));
    ZKAccessControl readZKAC2 = Await.result(ZKAccessControl.read(zkc, zkPath, null));
    assertEquals(newZKAC, readZKAC2);

    try {
      Await.result(readZKAC.update(zkc));
    } catch (KeeperException.BadVersionException bve) {
      // expected
    }
    readZKAC2.accessControlEntry.setDenyTruncate(true);
    Await.result(readZKAC2.update(zkc));
    ZKAccessControl readZKAC3 = Await.result(ZKAccessControl.read(zkc, zkPath, null));
    assertEquals(readZKAC2, readZKAC3);
  }
}

代码示例来源：origin: twitter/distributedlog

@Test(timeout = 60000)
public void testCreateZKAccessControl() throws Exception {
  AccessControlEntry ace = new AccessControlEntry();
  ace.setDenyWrite(true);
  String zkPath = "/create-zk-access-control";
  ZKAccessControl zkac = new ZKAccessControl(ace, zkPath);
  Await.result(zkac.create(zkc));
  ZKAccessControl readZKAC = Await.result(ZKAccessControl.read(zkc, zkPath, null));
  assertEquals(zkac, readZKAC);
  ZKAccessControl another = new ZKAccessControl(ace, zkPath);
  try {
    Await.result(another.create(zkc));
  } catch (KeeperException.NodeExistsException ke) {
    // expected
  }
}