EditorOperationSequencer.java

/**
 * 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.waveprotocol.wave.client.editor.operation;

import org.waveprotocol.wave.model.document.operation.Nindo;
import org.waveprotocol.wave.model.document.operation.NindoSink;
import org.waveprotocol.wave.model.document.operation.NindoSink.Silent;
import org.waveprotocol.wave.model.operation.OperationSequencer;

/**
 * @author danilatos@google.com (Daniel Danilatos)
 */
public class EditorOperationSequencer
    implements OperationSequencer<Nindo> {
  /** To apply to the local document, and generate doc ops */
  private final NindoSink.Silent sink;

  /**
   * @param sink where sequenced operations go
   */
  public EditorOperationSequencer(Silent sink) {
    this.sink = sink;
  }

  @Override
  public void begin() {
  }

  @Override
  public void end() {
  }

  @Override
  public void consume(Nindo operation) {
    sink.consumeAndReturnInvertible(operation);
  }
}