content: /*
   * 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;
    }
  }
  