org.rocksdb.CassandraValueMergeOperator Maven / Gradle / Ivy

//  Copyright (c) 2017-present, Facebook, Inc.  All rights reserved.
//  This source code is licensed under both the GPLv2 (found in the
//  COPYING file in the root directory) and Apache 2.0 License
//  (found in the LICENSE.Apache file in the root directory).

package org.rocksdb;

/**
 * CassandraValueMergeOperator is a merge operator that merges two cassandra wide column
 * values.
 */
public class CassandraValueMergeOperator extends MergeOperator {
  public CassandraValueMergeOperator(int gcGracePeriodInSeconds) {
    super(newSharedCassandraValueMergeOperator(gcGracePeriodInSeconds, 0));
    }

    public CassandraValueMergeOperator(int gcGracePeriodInSeconds, int operandsLimit) {
      super(newSharedCassandraValueMergeOperator(gcGracePeriodInSeconds, operandsLimit));
    }

    private native static long newSharedCassandraValueMergeOperator(
        int gcGracePeriodInSeconds, int limit);

    @Override protected final native void disposeInternal(final long handle);
}