/*
 * Copyright 2003-2011 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.project;

import jetbrains.mps.extapi.model.TransientSModel;
import jetbrains.mps.extapi.module.TransientSModule;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.module.SModule;

public class GlobalScopeMinusTransient extends FilteredScope {
  public GlobalScopeMinusTransient() {
    super(GlobalScope.getInstance());
  }

  public static GlobalScopeMinusTransient getInstance() {
    return new GlobalScopeMinusTransient();
  }

  @Override
  protected boolean acceptModule(SModule module) {
    return !(module instanceof TransientSModule);
  }

  @Override
  protected boolean acceptModel(SModel model) {
    return !(model instanceof TransientSModel) && acceptModule(model.getModule());
  }
}
