DbInspector.java

package org.bundlemaker.core.test.inspector;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.bundlemaker.core.BundleMakerCore;
import org.bundlemaker.core.IBundleMakerProject;
import org.bundlemaker.core.internal.Activator;
import org.bundlemaker.core.internal.resource.FlyWeightString;
import org.bundlemaker.core.internal.resource.Reference;
import org.bundlemaker.core.internal.resource.Resource;
import org.bundlemaker.core.internal.resource.Type;
import org.bundlemaker.core.resource.ReferenceType;
import org.bundlemaker.core.resource.TypeEnum;
import org.bundlemaker.core.resource.modifiable.ReferenceAttributes;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.osgi.util.tracker.ServiceTracker;

import com.db4o.Db4o;
import com.db4o.ObjectContainer;
import com.db4o.config.Configuration;
import com.db4o.osgi.Db4oService;

/**
 * <p>
 * </p>
 * 
 * @author Gerd Wütherich (gerd@gerd-wuetherich.de)
 */
public class DbInspector {

  /**
   * <p>
   * </p>
   * 
   * @throws CoreException
   */
  public void testDatabase(IProject project) throws CoreException {

    // create a new configuration
    Configuration configuration = Db4o.newConfiguration();

    // set the activation depth
    configuration.activationDepth(10);

    // open file
    IFile file = project.getFile(".bundlemaker/db4o.store");

    ServiceTracker serviceTracker = new ServiceTracker(Activator.getContext(), Db4oService.class.getName(), null);

    serviceTracker.open();

    Db4oService db4oService = (Db4oService) serviceTracker.getService();

    ObjectContainer _database = db4oService.openFile(configuration, file.getRawLocation().toOSString());

    //
    System.out.println("ReferenceType " + _database.query(ReferenceType.class).size());

    //
    System.out.println("Resource " + _database.query(Resource.class).size());

    //
    System.out.println("Type " + _database.query(Type.class).size());

    //
    System.out.println("HashSet " + _database.query(HashSet.class).size());

    //
    System.out.println("ReferenceAttributes " + _database.query(ReferenceAttributes.class).size());

    //
    System.out.println("TypeEnum " + _database.query(TypeEnum.class).size());

    //
    System.out.println("Reference " + _database.query(Reference.class).size());

    //
    System.out.println("FlyWeightString " + _database.query(FlyWeightString.class).size());
  }
}