Changeset 25:2140ef107551 in AnnotationManagerN4J for src/main/java/de/mpiwg/itgroup/annotations/neo4j/AnnotationStore.java

Timestamp:

Sep 24, 2012, 9:36:33 AM (12 years ago)

Author:

casties

Branch:

default

Message:

adding and deleting group members.

File:

• src/main/java/de/mpiwg/itgroup/annotations/neo4j/AnnotationStore.java (modified) (1 diff)

src/main/java/de/mpiwg/itgroup/annotations/neo4j/AnnotationStore.java

@@ -176 +176 @@
         }
         return members;
+    }
+    
+    /**
+     * Add Person newMember to Group group.
+     * 
+     * @param group
+     * @param member
+     */
+    public Person addGroupMember(Group group, Person member) {
+        Node gn = getActorNode(group);
+        Node pn = getActorNode(member);
+        Person addedMember = null;
+        if (gn != null && pn != null) {
+            getOrCreateRelation(pn, RelationTypes.MEMBER_OF, gn);
+            addedMember = member;
+        }
+        return addedMember;
+    }
+    
+    /**
+     * Delete Person oldMember from Group group.
+     * 
+     * @param group
+     * @param member
+     */
+    public void deleteGroupMember(Group group, Person member) {
+        Node gn = getActorNode(group);
+        Iterable<Relationship> rels = gn.getRelationships(RelationTypes.MEMBER_OF);
+        for (Relationship rel : rels) {
+            Node mn = rel.getStartNode();
+            if (mn.equals(member)) {
+                rel.delete();
+                // there should be only one
+                break;
+            }
+        }        
     }