org.rocksdb.StringAppendOperator Maven / Gradle / Ivy
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// Copyright (c) 2014, Vlad Balan ([email protected]). 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;
/**
* StringAppendOperator is a merge operator that concatenates
* two strings.
*/
public class StringAppendOperator extends MergeOperator {
public StringAppendOperator() {
this(',');
}
public StringAppendOperator(final char delim) {
super(newSharedStringAppendOperator(delim));
}
public StringAppendOperator(final String delim) {
super(newSharedStringAppendOperator(delim));
}
private static native long newSharedStringAppendOperator(final char delim);
private static native long newSharedStringAppendOperator(final String delim);
@Override
protected final void disposeInternal(final long handle) {
disposeInternalJni(handle);
}
private static native void disposeInternalJni(final long handle);
}