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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*--------------------------------------------------------------------------
* Copyright 2011 Taro L. Saito
*
* Licensed 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.
*--------------------------------------------------------------------------*/
//--------------------------------------
// snappy-java Project
//
// SnappyNative.java
// Since: 2011/03/30
//
// $URL$
// $Author$
//--------------------------------------
package org.xerial.snappy;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* JNI interface of the {@link Snappy} implementation. The native method in this class is
* defined in SnappyNative.h (genereted by javah) and SnappyNative.cpp
*
*
* DO NOT USE THIS CLASS since the direct use of this class might break the
* native library code loading in {@link SnappyLoader}.
*
*
* @author leo
*/
public class SnappyNative implements SnappyApi
{
public native String nativeLibraryVersion();
// ------------------------------------------------------------------------
// Generic compression/decompression routines.
// ------------------------------------------------------------------------
@Override
public native long rawCompress(long inputAddr, long inputSize, long destAddr)
throws IOException;
@Override
public native long rawUncompress(long inputAddr, long inputSize, long destAddr)
throws IOException;
@Override
public native int rawCompress(ByteBuffer input, int inputOffset, int inputLength, ByteBuffer compressed,
int outputOffset)
throws IOException;
@Override
public native int rawCompress(Object input, int inputOffset, int inputByteLength, Object output, int outputOffset)
throws IOException;
@Override
public native int rawUncompress(ByteBuffer compressed, int inputOffset, int inputLength, ByteBuffer uncompressed,
int outputOffset)
throws IOException;
@Override
public native int rawUncompress(Object input, int inputOffset, int inputLength, Object output, int outputOffset)
throws IOException;
// Returns the maximal size of the compressed representation of
// input data that is "source_bytes" bytes in length;
@Override
public native int maxCompressedLength(int source_bytes);
// This operation takes O(1) time.
@Override
public native int uncompressedLength(ByteBuffer compressed, int offset, int len)
throws IOException;
@Override
public native int uncompressedLength(Object input, int offset, int len)
throws IOException;
@Override
public native long uncompressedLength(long inputAddr, long len)
throws IOException;
@Override
public native boolean isValidCompressedBuffer(ByteBuffer compressed, int offset, int len)
throws IOException;
@Override
public native boolean isValidCompressedBuffer(Object input, int offset, int len)
throws IOException;
@Override
public native boolean isValidCompressedBuffer(long inputAddr, long offset, long len)
throws IOException;
@Override
public native void arrayCopy(Object src, int offset, int byteLength, Object dest, int dOffset)
throws IOException;
public void throw_error(int errorCode)
throws IOException
{
throw new IOException(String.format("%s(%d)", SnappyErrorCode.getErrorMessage(errorCode), errorCode));
}
}
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