Fix NPE in handleQueryWithUnboundKey method

Frameworks/Core/ERExtensions/Sources/er/extensions/eof/ERXGenericRecord.java

@@ -81,6 +81,8 @@ public class ERXGenericRecord extends EOGenericRecord implements ERXGuardedObjec
 	 * <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
 	 */
 	private static final long serialVersionUID = 1L;
+
+	private transient EOEntity _entity;
 
 	/** holds all subclass related Logger's */
 	private static final NSMutableDictionary<Class, Logger> classLogs = new NSMutableDictionary<Class, Logger>();
@@ -633,7 +635,10 @@ public NSArray<String> primaryKeyAttributeNames() {
 	 * @return EOEntity for the current object
 	 */
 	public EOEntity entity() {
-		return ERXEOAccessUtilities.entityNamed(editingContext(), entityName());
+		if(_entity == null) {
+			_entity = ERXEOAccessUtilities.entityNamed(editingContext(), entityName());
+		}
+		return _entity;
 	}
 
 	/** caches the primary key dictionary for the given object */
@@ -1064,17 +1069,19 @@ public boolean isValidatedWhenNested() {
 	 */
 	@Override
 	public Object handleQueryWithUnboundKey(String key) {
-		NSDictionary pkDict = EOUtilities.primaryKeyForObject(editingContext(), this);
-		if (pkDict == null) {
-			// This will be the case for new unsaved objects, so just
-			// check if the user was using a key that is valid as a primary key attribute
-			if (entity().primaryKeyAttributeNames().contains(key)) {
-				// Valid hidden PK key, so return null since PK is still essentially null.
+		// Handles primary key attribute values
+		if(entity().primaryKeyAttributeNames().contains(key)) {
+			// Deleted object. Return null.
+			if(editingContext() == null) {
+				return null;
+			}
+			NSDictionary pkDict = EOUtilities.primaryKeyForObject(editingContext(), this);
+			// New object. Return null.
+			if(pkDict == null) {
 				return null;
 			}
-		} else if (pkDict.allKeys().contains(key)) {
-			// Valid PK key, so return the atribute value.
-			return pkDict.valueForKey(key);
+			// Return value for key
+			return pkDict.objectForKey(key);
 		}
 		return super.handleQueryWithUnboundKey(key);
 	}