org.apache.hadoop.hive.ql.lockmgr.HiveTxnManagerImpl Maven / Gradle / Ivy

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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;

import org.apache.hadoop.hive.conf.HiveConf;

/**
 * An implementation HiveTxnManager that includes internal methods that all
 * transaction managers need to implement but that we don't want to expose to
 * outside.
 */
abstract class HiveTxnManagerImpl implements HiveTxnManager {

  protected HiveConf conf;

  void setHiveConf(HiveConf c) {
    conf = c;
  }

  abstract protected void destruct();

  @Override
  public void closeTxnManager() {
    destruct();
  }

  @Override
  protected void finalize() throws Throwable {
    destruct();
  }

}