Package org.apache.thrift.transport

Source Code of org.apache.thrift.transport.AutoExpandingBufferWriteTransport

/*
* 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 org.apache.thrift.transport;

import org.apache.commons.lang.NotImplementedException;

/**
* TTransport for writing to an AutoExpandingBuffer.
*/
public final class AutoExpandingBufferWriteTransport extends TTransport {

  private final AutoExpandingBuffer buf;
  private int pos;

  public AutoExpandingBufferWriteTransport(int initialCapacity, double growthCoefficient) {
    this.buf = new AutoExpandingBuffer(initialCapacity, growthCoefficient);
    this.pos = 0;
  }

  @Override
  public void close() {}

  @Override
  public boolean isOpen() {return true;}

  @Override
  public void open() throws TTransportException {}

  @Override
  public int read(byte[] buf, int off, int len) throws TTransportException {
    throw new NotImplementedException();
  }

  @Override
  public void write(byte[] toWrite, int off, int len) throws TTransportException {
    buf.resizeIfNecessary(pos + len);
    System.arraycopy(toWrite, off, buf.array(), pos, len);
    pos += len;
  }

  public AutoExpandingBuffer getBuf() {
    return buf;
  }

  public int getPos() {
    return pos;
  }

  public void reset() {
    pos = 0;
  }
}
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