package org.apache.helix;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.zookeeper.CreateMode;
public class AccessOption {
public static int PERSISTENT = 0x1;
public static int EPHEMERAL = 0x2;
public static int PERSISTENT_SEQUENTIAL = 0x4;
public static int EPHEMERAL_SEQUENTIAL = 0x8;
public static int THROW_EXCEPTION_IFNOTEXIST = 0x10;
/**
* Helper method to get zookeeper create mode from options
* @param options bitmask representing mode; least significant set flag is selected
* @return zookeeper create mode
*/
public static CreateMode getMode(int options) {
if ((options & PERSISTENT) > 0) {
return CreateMode.PERSISTENT;
} else if ((options & EPHEMERAL) > 0) {
return CreateMode.EPHEMERAL;
} else if ((options & PERSISTENT_SEQUENTIAL) > 0) {
return CreateMode.PERSISTENT_SEQUENTIAL;
} else if ((options & EPHEMERAL_SEQUENTIAL) > 0) {
return CreateMode.EPHEMERAL_SEQUENTIAL;
}
return null;
}
/**
* Helper method to get is-throw-exception-on-node-not-exist from options
* @param options bitmask containing Zookeeper mode options
* @return true if in is-throw-exception-on-node-not-exist, false otherwise
*/
public static boolean isThrowExceptionIfNotExist(int options) {
return (options & THROW_EXCEPTION_IFNOTEXIST) > 0;
}
}