Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.structural2 / src / org / simantics / structural2 / modelingRules / CPTerminal.java

diff --git a/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/CPTerminal.java b/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/CPTerminal.java
new file mode 100644 (file)
index 0000000..8d10af4
--- /dev/null
+++ b/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/CPTerminal.java
@@ -0,0 +1,59 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.structural2.modelingRules;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.SafeName;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public class CPTerminal implements IConnectionPoint {\r
+\r
+    public final Resource component; // may be null for reference elements\r
+    public final Resource relation;\r
+\r
+    public CPTerminal(Resource component, Resource relation) {\r
+        if (relation == null)\r
+            throw new NullPointerException("null relation");\r
+        this.component = component;\r
+        this.relation = relation;\r
+    }\r
+\r
+    @Override\r
+    public String toString(ReadGraph g) throws DatabaseException {\r
+        return "CPTerminal(" + \r
+            g.syncRequest(new SafeName(component)) + ", " +\r
+            g.syncRequest(new SafeName(relation)) + ")";\r
+    }\r
+\r
+    @Override\r
+    public int hashCode() {\r
+        final int prime = 31;\r
+        int result = 1;\r
+        result = prime * result + (component == null ? 0 : component.hashCode());\r
+        result = prime * result + relation.hashCode();\r
+        return result;\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(Object obj) {\r
+        if (this == obj)\r
+            return true;\r
+        if (obj == null)\r
+            return false;\r
+        if (getClass() != obj.getClass())\r
+            return false;\r
+        CPTerminal other = (CPTerminal) obj;\r
+        return (component == null ? other.component == null : component.equals(other.component)) && relation.equals(other.relation);\r
+    }\r
+\r
+}\r