UsagesModelTracker.java

package jetbrains.mps.ide.platform.refactoring;

/*Generated by MPS */

import jetbrains.mps.extapi.model.SNodeBatchChangeListener;
import jetbrains.mps.smodel.event.RepositoryChangeTracker;
import org.jetbrains.mps.openapi.module.SRepository;
import jetbrains.mps.smodel.RepoListenerRegistrar;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import org.jetbrains.mps.openapi.event.AbstractModelChangeEvent;

public class UsagesModelTracker implements SNodeBatchChangeListener {
  private final RepositoryChangeTracker myChangeTracker = new RepositoryChangeTracker();
  private boolean changed = false;
  private SRepository myRepository;
  public UsagesModelTracker(SRepository repository) {
    myRepository = repository;
    myChangeTracker.addListener(this);
    new RepoListenerRegistrar(repository, myChangeTracker).attach();
  }
  public void dispose() {
    myChangeTracker.removeListener(this);
    new RepoListenerRegistrar(myRepository, myChangeTracker).detach();
  }
  public void processEvents(@NotNull Collection<AbstractModelChangeEvent> events) {
    changed = true;
  }
  public boolean reset() {
    return changed = false;
  }
  public boolean isChanged() {
    return changed;
  }
}