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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 2012 The Netty Project
*
* The Netty Project licenses this file to 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 io.netty.buffer;
import io.netty.util.internal.ObjectPool;
import io.netty.util.internal.ObjectPool.Handle;
import io.netty.util.internal.ObjectPool.ObjectCreator;
import io.netty.util.internal.PlatformDependent;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
class PooledHeapByteBuf extends PooledByteBuf {
private static final ObjectPool RECYCLER = ObjectPool.newPool(
new ObjectCreator() {
@Override
public PooledHeapByteBuf newObject(Handle handle) {
return new PooledHeapByteBuf(handle, 0);
}
});
static PooledHeapByteBuf newInstance(int maxCapacity) {
PooledHeapByteBuf buf = RECYCLER.get();
buf.reuse(maxCapacity);
return buf;
}
PooledHeapByteBuf(Handle extends PooledHeapByteBuf> recyclerHandle, int maxCapacity) {
super(recyclerHandle, maxCapacity);
}
@Override
public final boolean isDirect() {
return false;
}
@Override
protected byte _getByte(int index) {
return HeapByteBufUtil.getByte(memory, idx(index));
}
@Override
protected short _getShort(int index) {
return HeapByteBufUtil.getShort(memory, idx(index));
}
@Override
protected short _getShortLE(int index) {
return HeapByteBufUtil.getShortLE(memory, idx(index));
}
@Override
protected int _getUnsignedMedium(int index) {
return HeapByteBufUtil.getUnsignedMedium(memory, idx(index));
}
@Override
protected int _getUnsignedMediumLE(int index) {
return HeapByteBufUtil.getUnsignedMediumLE(memory, idx(index));
}
@Override
protected int _getInt(int index) {
return HeapByteBufUtil.getInt(memory, idx(index));
}
@Override
protected int _getIntLE(int index) {
return HeapByteBufUtil.getIntLE(memory, idx(index));
}
@Override
protected long _getLong(int index) {
return HeapByteBufUtil.getLong(memory, idx(index));
}
@Override
protected long _getLongLE(int index) {
return HeapByteBufUtil.getLongLE(memory, idx(index));
}
@Override
public final ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
checkDstIndex(index, length, dstIndex, dst.capacity());
if (dst.hasMemoryAddress()) {
PlatformDependent.copyMemory(memory, idx(index), dst.memoryAddress() + dstIndex, length);
} else if (dst.hasArray()) {
getBytes(index, dst.array(), dst.arrayOffset() + dstIndex, length);
} else {
dst.setBytes(dstIndex, memory, idx(index), length);
}
return this;
}
@Override
public final ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
checkDstIndex(index, length, dstIndex, dst.length);
System.arraycopy(memory, idx(index), dst, dstIndex, length);
return this;
}
@Override
public final ByteBuf getBytes(int index, ByteBuffer dst) {
int length = dst.remaining();
checkIndex(index, length);
dst.put(memory, idx(index), length);
return this;
}
@Override
public final ByteBuf getBytes(int index, OutputStream out, int length) throws IOException {
checkIndex(index, length);
out.write(memory, idx(index), length);
return this;
}
@Override
protected void _setByte(int index, int value) {
HeapByteBufUtil.setByte(memory, idx(index), value);
}
@Override
protected void _setShort(int index, int value) {
HeapByteBufUtil.setShort(memory, idx(index), value);
}
@Override
protected void _setShortLE(int index, int value) {
HeapByteBufUtil.setShortLE(memory, idx(index), value);
}
@Override
protected void _setMedium(int index, int value) {
HeapByteBufUtil.setMedium(memory, idx(index), value);
}
@Override
protected void _setMediumLE(int index, int value) {
HeapByteBufUtil.setMediumLE(memory, idx(index), value);
}
@Override
protected void _setInt(int index, int value) {
HeapByteBufUtil.setInt(memory, idx(index), value);
}
@Override
protected void _setIntLE(int index, int value) {
HeapByteBufUtil.setIntLE(memory, idx(index), value);
}
@Override
protected void _setLong(int index, long value) {
HeapByteBufUtil.setLong(memory, idx(index), value);
}
@Override
protected void _setLongLE(int index, long value) {
HeapByteBufUtil.setLongLE(memory, idx(index), value);
}
@Override
public final ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
checkSrcIndex(index, length, srcIndex, src.capacity());
if (src.hasMemoryAddress()) {
PlatformDependent.copyMemory(src.memoryAddress() + srcIndex, memory, idx(index), length);
} else if (src.hasArray()) {
setBytes(index, src.array(), src.arrayOffset() + srcIndex, length);
} else {
src.getBytes(srcIndex, memory, idx(index), length);
}
return this;
}
@Override
public final ByteBuf setBytes(int index, byte[] src, int srcIndex, int length) {
checkSrcIndex(index, length, srcIndex, src.length);
System.arraycopy(src, srcIndex, memory, idx(index), length);
return this;
}
@Override
public final ByteBuf setBytes(int index, ByteBuffer src) {
int length = src.remaining();
checkIndex(index, length);
src.get(memory, idx(index), length);
return this;
}
@Override
public final int setBytes(int index, InputStream in, int length) throws IOException {
checkIndex(index, length);
return in.read(memory, idx(index), length);
}
@Override
public final ByteBuf copy(int index, int length) {
checkIndex(index, length);
ByteBuf copy = alloc().heapBuffer(length, maxCapacity());
return copy.writeBytes(memory, idx(index), length);
}
@Override
final ByteBuffer duplicateInternalNioBuffer(int index, int length) {
checkIndex(index, length);
return ByteBuffer.wrap(memory, idx(index), length).slice();
}
@Override
public final boolean hasArray() {
return true;
}
@Override
public final byte[] array() {
ensureAccessible();
return memory;
}
@Override
public final int arrayOffset() {
return offset;
}
@Override
public final boolean hasMemoryAddress() {
return false;
}
@Override
public final long memoryAddress() {
throw new UnsupportedOperationException();
}
@Override
protected final ByteBuffer newInternalNioBuffer(byte[] memory) {
return ByteBuffer.wrap(memory);
}
}
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