Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / util / Operations.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Operations.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Operations.java
new file mode 100644 (file)
index 0000000..21911f4
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Operations.java
@@ -0,0 +1,27 @@
+package org.simantics.db.layer0.util;\r
+\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.AdaptValue;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.exception.OperationNotAllowedException;\r
+import org.simantics.db.request.WriteResult;\r
+import org.simantics.scl.runtime.function.Function;\r
+\r
+public class Operations {\r
+\r
+    public static boolean isAllowed(RequestProcessor rp, Resource operation) throws DatabaseException {\r
+        return true;\r
+    }\r
+    \r
+    public static <T> T exec(RequestProcessor rp, \r
+            Resource operation, Object ... parameters) throws DatabaseException, OperationNotAllowedException {\r
+        if(!isAllowed(rp, operation))\r
+            throw new OperationNotAllowedException();\r
+        Object op = rp.syncRequest(new AdaptValue(operation));\r
+        if(parameters.length > 0)\r
+            op = ((Function)op).applyArray(parameters);\r
+        return rp.syncRequest((WriteResult<T>)op);\r
+    }\r
+    \r
+}\r