/*
 * Copyright 2003-2016 JetBrains s.r.o.
 *
 * 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 jetbrains.mps.nodeEditor.checking;

import jetbrains.mps.nodeEditor.EditorMessage;

import java.util.Collection;

public interface UpdateResult {
  Cancelled CANCELLED = new Cancelled();

  class Cancelled implements UpdateResult {}

  class Completed implements UpdateResult {
    public final boolean myMessagesChanged;
    public final Collection<EditorMessage> myMessages;

    public Completed(boolean messagesChanged, Collection<EditorMessage> messages) {
      myMessagesChanged = messagesChanged;
      myMessages = messages;
    }
  }
}
