OFBIZ-13313

framework/entity/src/main/java/org/apache/ofbiz/entity/Delegator.java

@@ -43,15 +43,18 @@
 import org.apache.ofbiz.entity.util.EntityFindOptions;
 import org.apache.ofbiz.entity.util.EntityListIterator;
 import org.apache.ofbiz.entity.util.EntityStoreOptions;
+import org.apache.ofbiz.entity.util.Queryable;
 import org.apache.ofbiz.entity.util.SequenceUtil;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.xml.sax.SAXException;
 
-public interface Delegator {
+public interface Delegator extends Queryable {
 
     enum OperationType { INSERT, UPDATE, DELETE }
 
+    Delegator getDelegator();
+
     void clearAllCacheLinesByDummyPK(Collection<GenericPK> dummyPKs);
 
     void clearAllCacheLinesByValue(Collection<GenericValue> values);

framework/entity/src/main/java/org/apache/ofbiz/entity/GenericDelegator.java

@@ -494,6 +494,11 @@ public String getGroupHelperName(String groupName) {
         return this.delegatorInfo.getGroupDataSource(groupName);
     }
 
+    @Override
+    public Delegator getDelegator() {
+        return this;
+    }
+
     @Override
     public GenericHelperInfo getGroupHelperInfo(String entityGroupName) {
         if (entityGroupName == null) {

framework/entity/src/main/java/org/apache/ofbiz/entity/util/EntityQuery.java

@@ -73,12 +73,11 @@ public class EntityQuery {
     private Integer offset;
     private Integer limit;
 
-
     /** Construct an EntityQuery object for use against the specified Delegator
-     * @param delegator The delegator instance to use for the query
+     * @param queryable The delegator instance to use for the query
      */
-    public static EntityQuery use(Delegator delegator) {
-        return new EntityQuery(delegator);
+    public static EntityQuery use(Queryable queryable) {
+        return new EntityQuery(queryable.getDelegator());
     }
 
     /** Construct an EntityQuery object for use against the specified Delegator

framework/entity/src/main/java/org/apache/ofbiz/entity/util/Queryable.java

@@ -0,0 +1,17 @@
+package org.apache.ofbiz.entity.util;
+
+import org.apache.ofbiz.entity.Delegator;
+
+/**
+ * Interface used for the <code>EntityQuery</code> to set the delegator to yse for the query.
+ * Allows easyer and shorter query instructions, like calling an <code>EntityQuery</code> with a dispatcher.
+ */
+public interface Queryable {
+
+    /**
+     * Gets the GenericEntityDelegator associated with this dispatcher
+     * @return GenericEntityDelegator associated with this dispatcher
+     */
+    Delegator getDelegator();
+
+}

framework/service/src/main/java/org/apache/ofbiz/service/LocalDispatcher.java

@@ -20,7 +20,7 @@
 
 import java.util.Map;
 
-import org.apache.ofbiz.entity.Delegator;
+import org.apache.ofbiz.entity.util.Queryable;
 import org.apache.ofbiz.security.Security;
 import org.apache.ofbiz.service.jms.JmsListenerFactory;
 import org.apache.ofbiz.service.job.JobManager;
@@ -32,7 +32,7 @@
  * by calling the {@link org.apache.ofbiz.service.ServiceDispatcher#getLocalDispatcher(String, Delegator)}
  * factory method.</p>
  */
-public interface LocalDispatcher {
+public interface LocalDispatcher extends Queryable {
 
     /**
      * Initialize a dispatch context for this dispatch after the creation is ok
@@ -343,12 +343,6 @@ void schedule(String serviceName, Map<String, ? extends Object> context, long st
      */
     JmsListenerFactory getJMSListeneFactory();
 
-    /**
-     * Gets the GenericEntityDelegator associated with this dispatcher
-     * @return GenericEntityDelegator associated with this dispatcher
-     */
-    Delegator getDelegator();
-
 
     /**
      * Gets the Security object associated with this dispatcher

framework/widget/src/test/java/org/apache/ofbiz/widget/model/ModelFormTest.java

@@ -49,6 +49,7 @@ public void setUp() throws GenericEntityException {
         list.add(genericValue);
         when(delegator.findList(any(), any(), any(), any(), any(), any(), Mockito.anyBoolean()))
                 .thenReturn(list);
+        when(delegator.getDelegator()).thenReturn(delegator);
         context = new HashMap<>();
         context.put("delegator", delegator);
     }