Changeset 1909

Timestamp:

25/09/03 16:01:06 (5 years ago)

Author:

andy

Message:

Added isAttribute(), isReference(), isCollection() methods

Files:

• trunk/intermine/src/java/org/intermine/metadata/FieldDescriptor.java (modified) (1 diff)

trunk/intermine/src/java/org/intermine/metadata/FieldDescriptor.java

@@ -114 +114 @@
-     */
-    public abstract int relationType(); // attr (NOT_RELATION), ref (N_1, 1_1) or coll (1_N, M_N)
+
+    /**
+     * Is this FieldDescriptor an attribute?
+     *
+     * @return true if this FieldDescriptor describes an attribute
+     */
+    public boolean isAttribute() {
+        return relationType() == NOT_RELATION;
+    }
+
+    /**
+     * Is this FieldDescriptor a reference?
+     *
+     * @return true if this FieldDescriptor describes an attribute
+     */
+    public boolean isReference() {
+        return (relationType() == ONE_ONE_RELATION) || (relationType() == N_ONE_RELATION);
+    }
+
+    /**
+     * Is this FieldDescriptor a collection?
+     *
+     * @return true if this FieldDescriptor describes an attribute
+     */
+    public boolean isCollection() {
+        return (relationType() == ONE_N_RELATION) || (relationType() == M_N_RELATION);
+    }
+
+
-}