
org.rocksdb.DirectComparator Maven / Gradle / Ivy
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
package org.rocksdb;
/**
* Base class for comparators which will receive
* ByteBuffer based access via org.rocksdb.DirectSlice
* in their compare method implementation.
*
* ByteBuffer based slices perform better when large keys
* are involved. When using smaller keys consider
* using @see org.rocksdb.Comparator
*/
public abstract class DirectComparator extends AbstractComparator {
private final long nativeHandle_;
public DirectComparator(final ComparatorOptions copt) {
super();
this.nativeHandle_ = createNewDirectComparator0(copt.nativeHandle_);
}
@Override
protected final long getNativeHandle() {
return nativeHandle_;
}
private native long createNewDirectComparator0(
final long comparatorOptionsHandle);
}
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