for (Iterator it = deploy.getRefLocations().iterator(); it.hasNext();) {

			IProxyNode location = FileProxyNodeCache.getInstance().getCorrespondingProxy((CFGLocation)it.next());

			if(location != null) {

				addBidirectionalReference("Deploy2Location", (IReferencerProxyNode) location, "Location2Deploy"); //$NON-NLS-1$ //$NON-NLS-2$

			}

		}

import java.util.ArrayList;

import java.util.Collection;

import java.util.Set;

import org.eclipse.hyades.test.ui.internal.navigator.TestNavigator;

import org.eclipse.hyades.test.ui.internal.navigator.proxy.reference.ReferenceTypeRegistry;

import org.eclipse.hyades.test.ui.navigator.EObjectProxyNode;

import org.eclipse.hyades.test.ui.navigator.IFileProxyManager;

import org.eclipse.hyades.test.ui.navigator.IProxyNode;

	/**

	 * Return list of all file representing EMF resource that are explicitly referenced by the EMF object stored in file

	 * WARNING : this method will only work if test view have been already opened (return null else)

	 * @param file EMF resource used to calculate references

	 * @return list of depending resource, NULL if file is not representing an EMF object 

	 */

	public static List getExplicitDependencies(IFile file) {

		if (file == null) {

			return null;

		}

		// get active proxy manager

		IFileProxyManager proxManager = null;

		if(PlatformUI.getWorkbench() != null) {

			TestNavigator nav = TestNavigator.getTestNavigator(PlatformUI.getWorkbench().getActiveWorkbenchWindow());

			if (nav != null) {

				proxManager = nav.getCurrentFileProxyManager();

			}

		}

		if (proxManager == null) {

			return null;

		}

		IProxyNode prox = proxManager.getProxy(file, null);

		if (prox == null) {

			return  null; // no proxy for this resource

		}		

		List ret = new ArrayList();

		EObjectProxyNode eproxy = null;

		if (prox instanceof EObjectProxyNode) {

			eproxy = (EObjectProxyNode)prox;

		} else {

			return null;

		}

		Set allTypes = eproxy.getReferenceTypes();

		for (Iterator it = allTypes.iterator(); it.hasNext(); ) {			

			String type = (String)it.next();

			if (ReferenceTypeRegistry.getInstance().isExplicit(type)) {

				Collection references = eproxy.getReferences(type);

				for (Iterator it2 = references.iterator(); it2.hasNext();) {

					IProxyNode proxy = (IProxyNode) it2.next();

					IFile childFile = (IFile) proxy.getUnderlyingResource();

					if (childFile != null) {

						ret.add(childFile);

					}

				}

			}

		}

		return ret;

	}

							if((pair.getArtifact() == null) || (pair.getLocation() == null)) {

								continue;

							}