ModelCacheReloader.java

package jetbrains.mps.ide.platform.watching;

/*Generated by MPS */

import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.vfs.VirtualFileManager;
import java.util.List;
import jetbrains.mps.generator.cache.BaseModelCache;
import jetbrains.mps.internal.collections.runtime.ListSequence;
import java.util.ArrayList;
import jetbrains.mps.ide.MPSCoreComponents;
import jetbrains.mps.textgen.trace.TraceInfoCache;
import jetbrains.mps.make.java.BLDependenciesCache;
import jetbrains.mps.generator.impl.dependencies.GenerationDependenciesCache;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import com.intellij.openapi.vfs.VirtualFileEvent;
import jetbrains.mps.vfs.IFile;
import jetbrains.mps.ide.vfs.VirtualFileUtils;
import jetbrains.mps.internal.collections.runtime.IWhereFilter;
import com.intellij.openapi.vfs.VirtualFileAdapter;
import com.intellij.openapi.vfs.VirtualFileMoveEvent;

public class ModelCacheReloader implements ApplicationComponent {
  private VirtualFileManager myVirtualFileManager;
  private ModelCacheReloader.CacheFileListener myFileListener = new ModelCacheReloader.CacheFileListener();
  private List<BaseModelCache> myCaches = ListSequence.fromList(new ArrayList<BaseModelCache>());
  public ModelCacheReloader(VirtualFileManager virtualFileManager, MPSCoreComponents coreComponents) {
    // TODO rewrite using FileSystem.getInstance().addListener(..) 
    myVirtualFileManager = virtualFileManager;
    ListSequence.fromList(myCaches).addElement(TraceInfoCache.getInstance());
    ListSequence.fromList(myCaches).addElement(BLDependenciesCache.getInstance());
    ListSequence.fromList(myCaches).addElement(GenerationDependenciesCache.getInstance());
  }
  @Override
  public void initComponent() {
    myVirtualFileManager.addVirtualFileListener(myFileListener);
  }
  @Override
  public void disposeComponent() {
    myVirtualFileManager.removeVirtualFileListener(myFileListener);
  }
  @NonNls
  @NotNull
  @Override
  public String getComponentName() {
    return getClass().getName();
  }
  private void invalidateForFile(VirtualFileEvent event) {
    final IFile file = VirtualFileUtils.toIFile(event.getFile());
    check_hmm83z_a1a7(ListSequence.fromList(myCaches).findFirst(new IWhereFilter<BaseModelCache>() {
      public boolean accept(BaseModelCache c) {
        return c.getCacheFileName().equalsIgnoreCase(file.getName());
      }
    }), file);
  }
  private class CacheFileListener extends VirtualFileAdapter {
    private CacheFileListener() {
    }
    @Override
    public void beforeFileMovement(VirtualFileMoveEvent event) {
      invalidateForFile(event);
    }
    @Override
    public void beforeFileDeletion(VirtualFileEvent event) {
      invalidateForFile(event);
    }
    @Override
    public void fileCreated(VirtualFileEvent event) {
      invalidateForFile(event);
    }
    @Override
    public void contentsChanged(VirtualFileEvent event) {
      invalidateForFile(event);
    }
  }
  private static void check_hmm83z_a1a7(BaseModelCache checkedDotOperand, IFile file) {
    if (null != checkedDotOperand) {
      checkedDotOperand.invalidateCacheForFile(file);
    }

  }
}