IConnectionPoint and canBeConnected-checking util to SCL

[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
index 8d10af42323363dedf6c10fb3ebfff6b2a5741d0..9692b57870b53e8f6dc40bf319076034901c0de1 100644 (file)
--- a/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/CPTerminal.java
+++ b/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/CPTerminal.java
@@ -1,59 +1,69 @@
-/*******************************************************************************\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
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.structural2.modelingRules;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.SafeName;
+import org.simantics.db.exception.DatabaseException;
+
+public class CPTerminal implements IConnectionPoint {
+
+    public final Resource component; // may be null for reference elements
+    public final Resource relation;
+
+    public CPTerminal(Resource component, Resource relation) {
+        if (relation == null)
+            throw new NullPointerException("null relation");
+        this.component = component;
+        this.relation = relation;
+    }
+
+    @Override
+    public String toString(ReadGraph g) throws DatabaseException {
+        return "CPTerminal(" + 
+            g.syncRequest(new SafeName(component)) + ", " +
+            g.syncRequest(new SafeName(relation)) + ")";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + (component == null ? 0 : component.hashCode());
+        result = prime * result + relation.hashCode();
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        CPTerminal other = (CPTerminal) obj;
+        return (component == null ? other.component == null : component.equals(other.component)) && relation.equals(other.relation);
+    }
+
+    /**
+     * Convenience method for SCL
+     * 
+     * @param component
+     * @param relation
+     * @return
+     */
+    public static IConnectionPoint makeIConnectionPoint(Resource component, Resource relation) {
+        return new CPTerminal(component, relation);
+    }
+}