fix concurrent exception

Change-Id: I1f9e058954ac162389b49061e20e9900bc24f716

plugins/org.eclipse.emf.eef.editor/src/org/eclipse/emf/eef/editor/internal/binding/settings/EditorBindingSettings.java

diff --git a/plugins/org.eclipse.emf.eef.editor/src/org/eclipse/emf/eef/editor/internal/binding/settings/EditorBindingSettings.java b/plugins/org.eclipse.emf.eef.editor/src/org/eclipse/emf/eef/editor/internal/binding/settings/EditorBindingSettings.java
index 8991f6b..822a96e 100644
--- a/plugins/org.eclipse.emf.eef.editor/src/org/eclipse/emf/eef/editor/internal/binding/settings/EditorBindingSettings.java
+++ b/plugins/org.eclipse.emf.eef.editor/src/org/eclipse/emf/eef/editor/internal/binding/settings/EditorBindingSettings.java
@@ -10,6 +10,8 @@
  *******************************************************************************/

 package org.eclipse.emf.eef.editor.internal.binding.settings;

 

+import java.util.List;

+

 import org.eclipse.core.runtime.Status;

 import org.eclipse.emf.ecore.EClass;

 import org.eclipse.emf.ecore.EObject;

@@ -32,6 +34,7 @@
 import org.eclipse.emf.eef.runtime.view.lock.policies.EEFLockPolicy;

 

 import com.google.common.collect.Iterables;

+import com.google.common.collect.Lists;

 

 /**

  * Generic binding settings for EObject.

@@ -109,7 +112,8 @@
 	 * @see org.eclipse.emf.eef.runtime.binding.settings.EEFBindingSettings#getEEFDescription(org.eclipse.emf.ecore.EClass)

 	 */

 	public PropertiesEditingModel getEEFDescription(EClass eClass) {

-		for (Resource resource : editingDomain.getResourceSet().getResources()) {

+		List<Resource> resources = Lists.newArrayList(editingDomain.getResourceSet().getResources());

+		for (Resource resource : resources) {

 			if (!resource.getContents().isEmpty() && resource.getContents().get(0) instanceof PropertiesEditingModel) {

 				PropertiesEditingModel editingModel = (PropertiesEditingModel) resource.getContents().get(0);

 				if (editingModel != null) {