ZMTPEstimator.java

/*
 * Copyright (c) 2012-2015 Spotify AB
 *
 * Licensed 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.spotify.netty4.handler.codec.zmtp;

public class ZMTPEstimator {

  private int size;

  private ZMTPWireFormat wireFormat;

  ZMTPEstimator(final ZMTPWireFormat wireFormat) {
    this.wireFormat = wireFormat;
  }

  public void reset() {
    size = 0;
  }

  public void frame(final int size) {
    this.size += wireFormat.frameLength(size);
  }

  public int size() {
    return size;
  }

  static ZMTPEstimator create(final ZMTPVersion version) {
    return new ZMTPEstimator(ZMTPWireFormats.wireFormat(version));
  }
}