Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.layer0.utils / src / org / simantics / layer0 / utils / collections / ContextualList.java

diff --git a/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/collections/ContextualList.java b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/collections/ContextualList.java
new file mode 100644 (file)
index 0000000..b8ce19c
--- /dev/null
+++ b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/collections/ContextualList.java
@@ -0,0 +1,49 @@
+/*******************************************************************************\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.layer0.utils.collections;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.OrderedSetUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.operation.OperationResource;\r
+import org.simantics.utils.datastructures.persistent.IContextMap;\r
+\r
+public class ContextualList implements IContextualList {\r
+\r
+       Object[] list;\r
+       \r
+       public ContextualList(ReadGraph g, Resource r) throws DatabaseException {\r
+               list = OrderedSetUtils.toList(g, r).toArray();\r
+               OperationResource OP = OperationResource.getInstance(g);\r
+               for(int i=0;i<list.length;++i) {\r
+                       Resource e = (Resource)list[i];\r
+                       if(g.isInstanceOf(e, OP.AbstractContextualList)) {\r
+                               list[i] = g.adapt(e, IContextualList.class);\r
+                       }\r
+               }\r
+       }\r
+\r
+       @Override\r
+       public void fill(ReadGraph g, IContextMap parameters, Collection<Resource> c) throws DatabaseException {\r
+               for(Object obj : list) {\r
+                       if(obj instanceof Resource)\r
+                               c.add((Resource)obj);\r
+                       else\r
+                               ((IContextualList)obj).fill(g, parameters, c);\r
+               }\r
+       }\r
+\r
+       \r
+}\r