bundles/org.simantics.db.services/src/org/simantics/db/services/adaption/reflection/AbstractReflectionAdapter.java

   1 package org.simantics.db.services.adaption.reflection;
   2
   3 import org.simantics.db.AsyncReadGraph;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.adaption.Adapter;
   7 import org.simantics.db.common.request.ReadRequest;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.procedure.AsyncProcedure;
  10
  11 public abstract class AbstractReflectionAdapter<T> implements Adapter<T,Resource>  {
  12     IDynamicAdapter2[] parameters;
  13
  14     public AbstractReflectionAdapter(IDynamicAdapter2 ... parameters) throws SecurityException, NoSuchMethodException, DatabaseException {
  15         this.parameters = parameters;
  16     }
  17
  18     public abstract void construct(AsyncReadGraph g, AsyncProcedure<T> procedure, Object ... args);
  19
  20     @Override
  21     public void adapt(AsyncReadGraph g, final Resource source, final Resource r, final AsyncProcedure<T> procedure) {
  22
  23         if(parameters.length == 0) {
  24
  25 //            System.out.println("ReflectionAdapter2 " + ReflectionAdapter2.this);
  26             construct(g, procedure);
  27
  28         } else if( parameters.length == 1 && parameters[0] instanceof ThisResource2) {
  29
  30             construct(g, procedure, r);
  31
  32         } else {
  33
  34             g.asyncRequest(new ReadRequest() {
  35
  36                 @Override
  37                 public void run(ReadGraph graph) throws DatabaseException {
  38
  39 //                    System.out.println("ReflectionAdapter2 " + ReflectionAdapter2.this);
  40
  41                     Object[] args = new Object[parameters.length];
  42                     for(int i=0;i<parameters.length;++i)
  43                         args[i] = parameters[i].adapt(graph, r);
  44                     construct(g, procedure, args);
  45                 }
  46
  47             });
  48
  49         }
  50
  51     }
  52 }