bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Operations.java

   1 package org.simantics.db.layer0.util;\r
   2 \r
   3 import org.simantics.db.RequestProcessor;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.common.request.AdaptValue;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.db.layer0.exception.OperationNotAllowedException;\r
   8 import org.simantics.db.request.WriteResult;\r
   9 import org.simantics.scl.runtime.function.Function;\r
  10 \r
  11 public class Operations {\r
  12 \r
  13     public static boolean isAllowed(RequestProcessor rp, Resource operation) throws DatabaseException {\r
  14         return true;\r
  15     }\r
  16     \r
  17     public static <T> T exec(RequestProcessor rp, \r
  18             Resource operation, Object ... parameters) throws DatabaseException, OperationNotAllowedException {\r
  19         if(!isAllowed(rp, operation))\r
  20             throw new OperationNotAllowedException();\r
  21         Object op = rp.syncRequest(new AdaptValue(operation));\r
  22         if(parameters.length > 0)\r
  23             op = ((Function)op).applyArray(parameters);\r
  24         return rp.syncRequest((WriteResult<T>)op);\r
  25     }\r
  26     \r
  27 }\r