gt: 		if (commentItemProvider != null) commentItemProvider.dispose();
context: /**
   * <copyright>
   * </copyright>
   *
   * $Id$
   */
  package net.atos.optimus.emf.metamodels.properties.provider;
  
  import java.util.ArrayList;
  import java.util.Collection;
  
  import net.atos.optimus.emf.metamodels.properties.util.PropertiesAdapterFactory;
  
  import org.eclipse.emf.common.notify.Adapter;
  import org.eclipse.emf.common.notify.Notification;
  import org.eclipse.emf.common.notify.Notifier;
  import org.eclipse.emf.edit.provider.ChangeNotifier;
  import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
  import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
  import org.eclipse.emf.edit.provider.IChangeNotifier;
  import org.eclipse.emf.edit.provider.IDisposable;
  import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
  import org.eclipse.emf.edit.provider.IItemLabelProvider;
  import org.eclipse.emf.edit.provider.IItemPropertySource;
  import org.eclipse.emf.edit.provider.INotifyChangedListener;
  import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
  import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
  
  /**
   * This is the factory that is used to provide the interfaces needed to support Viewers.
   * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
   * The adapters also support Eclipse property sheets.
   * Note that most of the adapters are shared among multiple instances.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public class PropertiesItemProviderAdapterFactory extends PropertiesAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
  	/**
  	 * This keeps track of the root adapter factory that delegates to this adapter factory.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected ComposedAdapterFactory parentAdapterFactory;
  
  	/**
  	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected IChangeNotifier changeNotifier = new ChangeNotifier();
  
  	/**
  	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected Collection<Object> supportedTypes = new ArrayList<Object>();
  
  	/**
  	 * This constructs an instance.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public PropertiesItemProviderAdapterFactory() {
  		supportedTypes.add(IEditingDomainItemProvider.class);
  		supportedTypes.add(IStructuredItemContentProvider.class);
  		supportedTypes.add(ITreeItemContentProvider.class);
  		supportedTypes.add(IItemLabelProvider.class);
  		supportedTypes.add(IItemPropertySource.class);
  	}
  
  	/**
  	 * This keeps track of the one adapter used for all {@link net.atos.optimus.emf.metamodels.properties.Properties} instances.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected PropertiesItemProvider propertiesItemProvider;
  
  	/**
  	 * This creates an adapter for a {@link net.atos.optimus.emf.metamodels.properties.Properties}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Adapter createPropertiesAdapter() {
  		if (propertiesItemProvider == null) {
  			propertiesItemProvider = new PropertiesItemProvider(this);
  		}
  
  		return propertiesItemProvider;
  	}
  
  	/**
  	 * This keeps track of the one adapter used for all {@link net.atos.optimus.emf.metamodels.properties.Content} instances.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected ContentItemProvider contentItemProvider;
  
  	/**
  	 * This creates an adapter for a {@link net.atos.optimus.emf.metamodels.properties.Content}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Adapter createContentAdapter() {
  		if (contentItemProvider == null) {
  			contentItemProvider = new ContentItemProvider(this);
  		}
  
  		return contentItemProvider;
  	}
  
  	/**
  	 * This keeps track of the one adapter used for all {@link net.atos.optimus.emf.metamodels.properties.Pair} instances.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected PairItemProvider pairItemProvider;
  
  	/**
  	 * This creates an adapter for a {@link net.atos.optimus.emf.metamodels.properties.Pair}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Adapter createPairAdapter() {
  		if (pairItemProvider == null) {
  			pairItemProvider = new PairItemProvider(this);
  		}
  
  		return pairItemProvider;
  	}
  
  	/**
  	 * This keeps track of the one adapter used for all {@link net.atos.optimus.emf.metamodels.properties.Comment} instances.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected CommentItemProvider commentItemProvider;
  
  	/**
  	 * This creates an adapter for a {@link net.atos.optimus.emf.metamodels.properties.Comment}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Adapter createCommentAdapter() {
  		if (commentItemProvider == null) {
  			commentItemProvider = new CommentItemProvider(this);
  		}
  
  		return commentItemProvider;
  	}
  
  	/**
  	 * This keeps track of the one adapter used for all {@link net.atos.optimus.emf.metamodels.properties.CarriageReturn} instances.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected CarriageReturnItemProvider carriageReturnItemProvider;
  
  	/**
  	 * This creates an adapter for a {@link net.atos.optimus.emf.metamodels.properties.CarriageReturn}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Adapter createCarriageReturnAdapter() {
  		if (carriageReturnItemProvider == null) {
  			carriageReturnItemProvider = new CarriageReturnItemProvider(this);
  		}
  
  		return carriageReturnItemProvider;
  	}
  
  	/**
  	 * This returns the root adapter factory that contains this factory.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public ComposeableAdapterFactory getRootAdapterFactory() {
  		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
  	}
  
  	/**
  	 * This sets the composed adapter factory that contains this factory.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
  		this.parentAdapterFactory = parentAdapterFactory;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public boolean isFactoryForType(Object type) {
  		return supportedTypes.contains(type) || super.isFactoryForType(type);
  	}
  
  	/**
  	 * This implementation substitutes the factory itself as the key for the adapter.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Adapter adapt(Notifier notifier, Object type) {
  		return super.adapt(notifier, this);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Object adapt(Object object, Object type) {
  		if (isFactoryForType(type)) {
  			Object adapter = super.adapt(object, type);
  			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
  				return adapter;
  			}
  		}
  
  		return null;
  	}
  
  	/**
  	 * This adds a listener.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void addListener(INotifyChangedListener notifyChangedListener) {
  		changeNotifier.addListener(notifyChangedListener);
  	}
  
  	/**
  	 * This removes a listener.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void removeListener(INotifyChangedListener notifyChangedListener) {
  		changeNotifier.removeListener(notifyChangedListener);
  	}
  
  	/**
  	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void fireNotifyChanged(Notification notification) {
  		changeNotifier.fireNotifyChanged(notification);
  
  		if (parentAdapterFactory != null) {
  			parentAdapterFactory.fireNotifyChanged(notification);
  		}
  	}
  
  	/**
  	 * This disposes all of the item providers created by this factory. 
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void dispose() {
  		if (propertiesItemProvider != null) propertiesItemProvider.dispose();
  		if (contentItemProvider != null) contentItemProvider.dispose();
  		if (pairItemProvider != null) pairItemProvider.dispose();
  