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

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