org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLock.java Source code

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Here is the source code for org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLock.java

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/**
 * 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.
 */

package org.apache.hadoop.hive.ql.lockmgr.zookeeper;

import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.hadoop.hive.ql.lockmgr.HiveLock;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockMode;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockObject;

public class ZooKeeperHiveLock extends HiveLock {
    private String path;
    private HiveLockObject obj;
    private HiveLockMode mode;

    public ZooKeeperHiveLock(String path, HiveLockObject obj, HiveLockMode mode) {
        this.path = path;
        this.obj = obj;
        this.mode = mode;
    }

    public String getPath() {
        return path;
    }

    public void setPath(String path) {
        this.path = path;
    }

    @Override
    public HiveLockObject getHiveLockObject() {
        return obj;
    }

    public void setHiveLockObject(HiveLockObject obj) {
        this.obj = obj;
    }

    @Override
    public HiveLockMode getHiveLockMode() {
        return mode;
    }

    public void setHiveLockMode(HiveLockMode mode) {
        this.mode = mode;
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof ZooKeeperHiveLock)) {
            return false;
        }

        ZooKeeperHiveLock zLock = (ZooKeeperHiveLock) o;

        return path.equals(zLock.getPath()) && obj.equals(zLock.getHiveLockObject())
                && mode == zLock.getHiveLockMode();
    }

    @Override
    public int hashCode() {
        HashCodeBuilder builder = new HashCodeBuilder();
        boolean pathPresent = path != null;
        builder.append(pathPresent);
        if (pathPresent) {
            builder.append(path.toCharArray());
        }
        boolean lockObjectPresent = obj != null;
        builder.append(lockObjectPresent);
        if (lockObjectPresent) {
            builder.append(obj.hashCode());
        }
        boolean modePresent = mode != null;
        builder.append(modePresent);
        if (modePresent) {
            builder.append(mode);
        }
        return builder.toHashCode();
    }
}