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org.apache.pulsar.shade.io.netty.buffer.PooledSlicedByteBuf Maven / Gradle / Ivy
/*
* Copyright 2016 The Netty Project
*
* The Netty Project 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:
*
* https://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.pulsar.shade.io.netty.buffer;
import org.apache.pulsar.shade.io.netty.util.ByteProcessor;
import org.apache.pulsar.shade.io.netty.util.internal.ObjectPool;
import org.apache.pulsar.shade.io.netty.util.internal.ObjectPool.Handle;
import org.apache.pulsar.shade.io.netty.util.internal.ObjectPool.ObjectCreator;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
import static org.apache.pulsar.shade.io.netty.buffer.AbstractUnpooledSlicedByteBuf.checkSliceOutOfBounds;
final class PooledSlicedByteBuf extends AbstractPooledDerivedByteBuf {
private static final ObjectPool RECYCLER = ObjectPool.newPool(
new ObjectCreator() {
@Override
public PooledSlicedByteBuf newObject(Handle handle) {
return new PooledSlicedByteBuf(handle);
}
});
static PooledSlicedByteBuf newInstance(AbstractByteBuf unwrapped, ByteBuf wrapped,
int index, int length) {
checkSliceOutOfBounds(index, length, unwrapped);
return newInstance0(unwrapped, wrapped, index, length);
}
private static PooledSlicedByteBuf newInstance0(AbstractByteBuf unwrapped, ByteBuf wrapped,
int adjustment, int length) {
final PooledSlicedByteBuf slice = RECYCLER.get();
slice.init(unwrapped, wrapped, 0, length, length);
slice.discardMarks();
slice.adjustment = adjustment;
return slice;
}
int adjustment;
private PooledSlicedByteBuf(Handle handle) {
super(handle);
}
@Override
public int capacity() {
return maxCapacity();
}
@Override
public ByteBuf capacity(int newCapacity) {
throw new UnsupportedOperationException("sliced buffer");
}
@Override
public int arrayOffset() {
return idx(unwrap().arrayOffset());
}
@Override
public long memoryAddress() {
return unwrap().memoryAddress() + adjustment;
}
@Override
public ByteBuffer nioBuffer(int index, int length) {
checkIndex0(index, length);
return unwrap().nioBuffer(idx(index), length);
}
@Override
public ByteBuffer[] nioBuffers(int index, int length) {
checkIndex0(index, length);
return unwrap().nioBuffers(idx(index), length);
}
@Override
public ByteBuf copy(int index, int length) {
checkIndex0(index, length);
return unwrap().copy(idx(index), length);
}
@Override
public ByteBuf slice(int index, int length) {
checkIndex0(index, length);
return super.slice(idx(index), length);
}
@Override
public ByteBuf retainedSlice(int index, int length) {
checkIndex0(index, length);
return PooledSlicedByteBuf.newInstance0(unwrap(), this, idx(index), length);
}
@Override
public ByteBuf duplicate() {
return slice(0, capacity()).setIndex(readerIndex(), writerIndex());
}
@Override
public ByteBuf retainedDuplicate() {
return retainedSlice(0, capacity()).setIndex(readerIndex(), writerIndex());
}
@Override
public byte getByte(int index) {
checkIndex0(index, 1);
return unwrap().getByte(idx(index));
}
@Override
protected byte _getByte(int index) {
return unwrap()._getByte(idx(index));
}
@Override
public short getShort(int index) {
checkIndex0(index, 2);
return unwrap().getShort(idx(index));
}
@Override
protected short _getShort(int index) {
return unwrap()._getShort(idx(index));
}
@Override
public short getShortLE(int index) {
checkIndex0(index, 2);
return unwrap().getShortLE(idx(index));
}
@Override
protected short _getShortLE(int index) {
return unwrap()._getShortLE(idx(index));
}
@Override
public int getUnsignedMedium(int index) {
checkIndex0(index, 3);
return unwrap().getUnsignedMedium(idx(index));
}
@Override
protected int _getUnsignedMedium(int index) {
return unwrap()._getUnsignedMedium(idx(index));
}
@Override
public int getUnsignedMediumLE(int index) {
checkIndex0(index, 3);
return unwrap().getUnsignedMediumLE(idx(index));
}
@Override
protected int _getUnsignedMediumLE(int index) {
return unwrap()._getUnsignedMediumLE(idx(index));
}
@Override
public int getInt(int index) {
checkIndex0(index, 4);
return unwrap().getInt(idx(index));
}
@Override
protected int _getInt(int index) {
return unwrap()._getInt(idx(index));
}
@Override
public int getIntLE(int index) {
checkIndex0(index, 4);
return unwrap().getIntLE(idx(index));
}
@Override
protected int _getIntLE(int index) {
return unwrap()._getIntLE(idx(index));
}
@Override
public long getLong(int index) {
checkIndex0(index, 8);
return unwrap().getLong(idx(index));
}
@Override
protected long _getLong(int index) {
return unwrap()._getLong(idx(index));
}
@Override
public long getLongLE(int index) {
checkIndex0(index, 8);
return unwrap().getLongLE(idx(index));
}
@Override
protected long _getLongLE(int index) {
return unwrap()._getLongLE(idx(index));
}
@Override
public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
checkIndex0(index, length);
unwrap().getBytes(idx(index), dst, dstIndex, length);
return this;
}
@Override
public ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
checkIndex0(index, length);
unwrap().getBytes(idx(index), dst, dstIndex, length);
return this;
}
@Override
public ByteBuf getBytes(int index, ByteBuffer dst) {
checkIndex0(index, dst.remaining());
unwrap().getBytes(idx(index), dst);
return this;
}
@Override
public ByteBuf setByte(int index, int value) {
checkIndex0(index, 1);
unwrap().setByte(idx(index), value);
return this;
}
@Override
protected void _setByte(int index, int value) {
unwrap()._setByte(idx(index), value);
}
@Override
public ByteBuf setShort(int index, int value) {
checkIndex0(index, 2);
unwrap().setShort(idx(index), value);
return this;
}
@Override
protected void _setShort(int index, int value) {
unwrap()._setShort(idx(index), value);
}
@Override
public ByteBuf setShortLE(int index, int value) {
checkIndex0(index, 2);
unwrap().setShortLE(idx(index), value);
return this;
}
@Override
protected void _setShortLE(int index, int value) {
unwrap()._setShortLE(idx(index), value);
}
@Override
public ByteBuf setMedium(int index, int value) {
checkIndex0(index, 3);
unwrap().setMedium(idx(index), value);
return this;
}
@Override
protected void _setMedium(int index, int value) {
unwrap()._setMedium(idx(index), value);
}
@Override
public ByteBuf setMediumLE(int index, int value) {
checkIndex0(index, 3);
unwrap().setMediumLE(idx(index), value);
return this;
}
@Override
protected void _setMediumLE(int index, int value) {
unwrap()._setMediumLE(idx(index), value);
}
@Override
public ByteBuf setInt(int index, int value) {
checkIndex0(index, 4);
unwrap().setInt(idx(index), value);
return this;
}
@Override
protected void _setInt(int index, int value) {
unwrap()._setInt(idx(index), value);
}
@Override
public ByteBuf setIntLE(int index, int value) {
checkIndex0(index, 4);
unwrap().setIntLE(idx(index), value);
return this;
}
@Override
protected void _setIntLE(int index, int value) {
unwrap()._setIntLE(idx(index), value);
}
@Override
public ByteBuf setLong(int index, long value) {
checkIndex0(index, 8);
unwrap().setLong(idx(index), value);
return this;
}
@Override
protected void _setLong(int index, long value) {
unwrap()._setLong(idx(index), value);
}
@Override
public ByteBuf setLongLE(int index, long value) {
checkIndex0(index, 8);
unwrap().setLongLE(idx(index), value);
return this;
}
@Override
protected void _setLongLE(int index, long value) {
unwrap().setLongLE(idx(index), value);
}
@Override
public ByteBuf setBytes(int index, byte[] src, int srcIndex, int length) {
checkIndex0(index, length);
unwrap().setBytes(idx(index), src, srcIndex, length);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
checkIndex0(index, length);
unwrap().setBytes(idx(index), src, srcIndex, length);
return this;
}
@Override
public ByteBuf setBytes(int index, ByteBuffer src) {
checkIndex0(index, src.remaining());
unwrap().setBytes(idx(index), src);
return this;
}
@Override
public ByteBuf getBytes(int index, OutputStream out, int length)
throws IOException {
checkIndex0(index, length);
unwrap().getBytes(idx(index), out, length);
return this;
}
@Override
public int getBytes(int index, GatheringByteChannel out, int length)
throws IOException {
checkIndex0(index, length);
return unwrap().getBytes(idx(index), out, length);
}
@Override
public int getBytes(int index, FileChannel out, long position, int length)
throws IOException {
checkIndex0(index, length);
return unwrap().getBytes(idx(index), out, position, length);
}
@Override
public int setBytes(int index, InputStream in, int length)
throws IOException {
checkIndex0(index, length);
return unwrap().setBytes(idx(index), in, length);
}
@Override
public int setBytes(int index, ScatteringByteChannel in, int length)
throws IOException {
checkIndex0(index, length);
return unwrap().setBytes(idx(index), in, length);
}
@Override
public int setBytes(int index, FileChannel in, long position, int length)
throws IOException {
checkIndex0(index, length);
return unwrap().setBytes(idx(index), in, position, length);
}
@Override
public int forEachByte(int index, int length, ByteProcessor processor) {
checkIndex0(index, length);
int ret = unwrap().forEachByte(idx(index), length, processor);
if (ret < adjustment) {
return -1;
}
return ret - adjustment;
}
@Override
public int forEachByteDesc(int index, int length, ByteProcessor processor) {
checkIndex0(index, length);
int ret = unwrap().forEachByteDesc(idx(index), length, processor);
if (ret < adjustment) {
return -1;
}
return ret - adjustment;
}
private int idx(int index) {
return index + adjustment;
}
}
