com.datastax.dse.driver.internal.core.graph.binary.buffer.DseNettyBuffer Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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
*
* 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.
*/
package com.datastax.dse.driver.internal.core.graph.binary.buffer;
import io.netty.buffer.ByteBuf;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import org.apache.tinkerpop.gremlin.structure.io.Buffer;
/**
* Internal impl of Tinkerpop Buffers. We implement an internal type here to allow for this class to
* use shaded Netty types (without bringing all of Tinkerpop into the shaded JAR). The impl is based
* on the initial impl of {@link NettyBuffer} but we don't guarantee that this class will mirror
* changes to that class over time.
*/
final class DseNettyBuffer implements Buffer {
private final ByteBuf buffer;
/**
* Creates a new instance.
*
* @param buffer The buffer to wrap.
*/
DseNettyBuffer(ByteBuf buffer) {
if (buffer == null) {
throw new IllegalArgumentException("buffer can't be null");
}
this.buffer = buffer;
}
@Override
public int readableBytes() {
return this.buffer.readableBytes();
}
@Override
public int readerIndex() {
return this.buffer.readerIndex();
}
@Override
public Buffer readerIndex(final int readerIndex) {
this.buffer.readerIndex(readerIndex);
return this;
}
@Override
public int writerIndex() {
return this.buffer.writerIndex();
}
@Override
public Buffer writerIndex(final int writerIndex) {
this.buffer.writerIndex(writerIndex);
return this;
}
@Override
public Buffer markWriterIndex() {
this.buffer.markWriterIndex();
return this;
}
@Override
public Buffer resetWriterIndex() {
this.buffer.resetWriterIndex();
return this;
}
@Override
public int capacity() {
return this.buffer.capacity();
}
@Override
public boolean isDirect() {
return this.buffer.isDirect();
}
@Override
public boolean readBoolean() {
return this.buffer.readBoolean();
}
@Override
public byte readByte() {
return this.buffer.readByte();
}
@Override
public short readShort() {
return this.buffer.readShort();
}
@Override
public int readInt() {
return this.buffer.readInt();
}
@Override
public long readLong() {
return this.buffer.readLong();
}
@Override
public float readFloat() {
return this.buffer.readFloat();
}
@Override
public double readDouble() {
return this.buffer.readDouble();
}
@Override
public Buffer readBytes(final byte[] destination) {
this.buffer.readBytes(destination);
return this;
}
@Override
public Buffer readBytes(final byte[] destination, final int dstIndex, final int length) {
this.buffer.readBytes(destination, dstIndex, length);
return this;
}
@Override
public Buffer readBytes(final ByteBuffer dst) {
this.buffer.readBytes(dst);
return this;
}
@Override
public Buffer readBytes(final OutputStream out, final int length) throws IOException {
this.buffer.readBytes(out, length);
return this;
}
@Override
public Buffer writeBoolean(final boolean value) {
this.buffer.writeBoolean(value);
return this;
}
@Override
public Buffer writeByte(final int value) {
this.buffer.writeByte(value);
return this;
}
@Override
public Buffer writeShort(final int value) {
this.buffer.writeShort(value);
return this;
}
@Override
public Buffer writeInt(final int value) {
this.buffer.writeInt(value);
return this;
}
@Override
public Buffer writeLong(final long value) {
this.buffer.writeLong(value);
return this;
}
@Override
public Buffer writeFloat(final float value) {
this.buffer.writeFloat(value);
return this;
}
@Override
public Buffer writeDouble(final double value) {
this.buffer.writeDouble(value);
return this;
}
@Override
public Buffer writeBytes(final byte[] src) {
this.buffer.writeBytes(src);
return this;
}
@Override
public Buffer writeBytes(final ByteBuffer src) {
this.buffer.writeBytes(src);
return this;
}
@Override
public Buffer writeBytes(byte[] src, final int srcIndex, final int length) {
this.buffer.writeBytes(src, srcIndex, length);
return this;
}
@Override
public boolean release() {
return this.buffer.release();
}
@Override
public Buffer retain() {
this.buffer.retain();
return this;
}
@Override
public int referenceCount() {
return this.buffer.refCnt();
}
@Override
public ByteBuffer[] nioBuffers() {
return this.buffer.nioBuffers();
}
@Override
public ByteBuffer nioBuffer() {
return this.buffer.nioBuffer();
}
@Override
public ByteBuffer nioBuffer(final int index, final int length) {
return this.buffer.nioBuffer(index, length);
}
@Override
public ByteBuffer[] nioBuffers(final int index, final int length) {
return this.buffer.nioBuffers(index, length);
}
@Override
public int nioBufferCount() {
return this.buffer.nioBufferCount();
}
@Override
public Buffer getBytes(final int index, final byte[] dst) {
this.buffer.getBytes(index, dst);
return this;
}
/** Returns the underlying buffer. */
public ByteBuf getUnderlyingBuffer() {
return this.buffer;
}
}