Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.layer0x.ontology / src / org / simantics / operation / OperationResource.java

diff --git a/bundles/org.simantics.layer0x.ontology/src/org/simantics/operation/OperationResource.java b/bundles/org.simantics.layer0x.ontology/src/org/simantics/operation/OperationResource.java
new file mode 100644 (file)
index 0000000..4faab65
--- /dev/null
+++ b/bundles/org.simantics.layer0x.ontology/src/org/simantics/operation/OperationResource.java
@@ -0,0 +1,79 @@
+package org.simantics.operation;\r
+\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.service.QueryControl;\r
+\r
+public class OperationResource {\r
+    \r
+    public final Resource AbstractContextualList;\r
+    public final Resource ConditionalList;\r
+    public final Resource ContextualList;\r
+    public final Resource HasCondition;\r
+    public final Resource HasElseElement;\r
+    public final Resource HasThenElement;\r
+    public final Resource Operation;\r
+    public final Resource TypeBasedList;\r
+        \r
+    public static class URIs {\r
+        public static final String AbstractContextualList = "http://www.simantics.org/Layer0X-1.1/Operation/AbstractContextualList";\r
+        public static final String ConditionalList = "http://www.simantics.org/Layer0X-1.1/Operation/ConditionalList";\r
+        public static final String ContextualList = "http://www.simantics.org/Layer0X-1.1/Operation/ContextualList";\r
+        public static final String HasCondition = "http://www.simantics.org/Layer0X-1.1/Operation/HasCondition";\r
+        public static final String HasElseElement = "http://www.simantics.org/Layer0X-1.1/Operation/HasElseElement";\r
+        public static final String HasThenElement = "http://www.simantics.org/Layer0X-1.1/Operation/HasThenElement";\r
+        public static final String Operation = "http://www.simantics.org/Layer0X-1.1/Operation/Operation";\r
+        public static final String TypeBasedList = "http://www.simantics.org/Layer0X-1.1/Operation/TypeBasedList";\r
+    }\r
+    \r
+    public static Resource getResourceOrNull(ReadGraph graph, String uri) {\r
+        try {\r
+            return graph.getResource(uri);\r
+        } catch(DatabaseException e) {\r
+            System.err.println(e.getMessage());\r
+            return null;\r
+        }\r
+    }\r
+    \r
+    public OperationResource(ReadGraph graph) {\r
+        AbstractContextualList = getResourceOrNull(graph, URIs.AbstractContextualList);\r
+        ConditionalList = getResourceOrNull(graph, URIs.ConditionalList);\r
+        ContextualList = getResourceOrNull(graph, URIs.ContextualList);\r
+        HasCondition = getResourceOrNull(graph, URIs.HasCondition);\r
+        HasElseElement = getResourceOrNull(graph, URIs.HasElseElement);\r
+        HasThenElement = getResourceOrNull(graph, URIs.HasThenElement);\r
+        Operation = getResourceOrNull(graph, URIs.Operation);\r
+        TypeBasedList = getResourceOrNull(graph, URIs.TypeBasedList);\r
+    }\r
+    \r
+    public static OperationResource getInstance(ReadGraph graph) {\r
+        Session session = graph.getSession();\r
+        OperationResource ret = session.peekService(OperationResource.class);\r
+        if(ret == null) {\r
+            QueryControl qc = graph.getService(QueryControl.class);\r
+            ret = new OperationResource(qc.getIndependentGraph(graph));\r
+            session.registerService(OperationResource.class, ret);\r
+        }\r
+        return ret;\r
+    }\r
+    \r
+    public static OperationResource getInstance(RequestProcessor session) throws DatabaseException {\r
+        OperationResource ret = session.peekService(OperationResource.class);\r
+        if(ret == null) {\r
+            ret = session.syncRequest(new Read<OperationResource>() {\r
+                public OperationResource perform(ReadGraph graph) throws DatabaseException {\r
+                    QueryControl qc = graph.getService(QueryControl.class);\r
+                    return new OperationResource(qc.getIndependentGraph(graph));\r
+                }\r
+            });\r
+            session.registerService(OperationResource.class, ret);\r
+        }\r
+        return ret;\r
+    }\r
+    \r
+}\r
+\r