<?php
/*
 * 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 thrift.transport
 */

namespace Thrift\Transport;

use Thrift\Transport\TTransport;
use Thrift\Exception\TTransportException;

/**
 * Transport that only accepts writes and ignores them.
 * This is useful for measuring the serialized size of structures.
 *
 * @package thrift.transport
 */
class TNullTransport extends TTransport {

  public function isOpen() {
    return true;
  }

  public function open() {}

  public function close() {}

  public function read($len) {
    throw new TTransportException("Can't read from TNullTransport.");
  }

  public function write($buf) {}

}