Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.services / src / org / simantics / db / services / adaption / reflection / ReflectionAdapter2.java

diff --git a/bundles/org.simantics.db.services/src/org/simantics/db/services/adaption/reflection/ReflectionAdapter2.java b/bundles/org.simantics.db.services/src/org/simantics/db/services/adaption/reflection/ReflectionAdapter2.java
new file mode 100644 (file)
index 0000000..282dad9
--- /dev/null
+++ b/bundles/org.simantics.db.services/src/org/simantics/db/services/adaption/reflection/ReflectionAdapter2.java
@@ -0,0 +1,126 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.services.adaption.reflection;\r
+\r
+import java.lang.reflect.Constructor;\r
+import java.lang.reflect.InvocationTargetException;\r
+import java.util.Arrays;\r
+\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.adaption.Adapter;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.AsyncProcedure;\r
+\r
+public class ReflectionAdapter2<T> implements Adapter<T, Resource> {\r
+\r
+       Constructor<? extends T> constructor;\r
+       IDynamicAdapter2[] parameters;\r
+       \r
+       public ReflectionAdapter2(Class<? extends T> clazz, IDynamicAdapter2 ... parameters) throws SecurityException, NoSuchMethodException, DatabaseException {\r
+               Class<?>[] parameterTypes = new Class<?>[parameters.length];\r
+               for(int i=0;i<parameters.length;++i)\r
+                       parameterTypes[i] = parameters[i].getType();\r
+               this.constructor = clazz.getConstructor(parameterTypes);\r
+               this.parameters = parameters;\r
+       }\r
+       \r
+    @Override\r
+    public void adapt(AsyncReadGraph g, final Resource source, final Resource r, final AsyncProcedure<T> procedure) {\r
+\r
+       if(parameters.length == 0) {\r
+           \r
+//            System.out.println("ReflectionAdapter2 " + ReflectionAdapter2.this);\r
+\r
+           try {\r
+                procedure.execute(g, constructor.newInstance());\r
+            } catch (IllegalArgumentException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            } catch (InstantiationException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            } catch (IllegalAccessException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            } catch (InvocationTargetException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            }\r
+            \r
+       } else if( parameters.length == 1 && parameters[0] instanceof ThisResource2) {\r
+\r
+           try {\r
+                procedure.execute(g, constructor.newInstance(r));\r
+            } catch (IllegalArgumentException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            } catch (InstantiationException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            } catch (IllegalAccessException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            } catch (InvocationTargetException e) {\r
+                procedure.exception(g, e);\r
+                e.printStackTrace();\r
+            }\r
+               \r
+       } else {\r
+       \r
+            g.asyncRequest(new ReadRequest() {\r
+    \r
+                @Override\r
+                public void run(ReadGraph graph) throws DatabaseException {\r
+                       \r
+                    Object[] args = new Object[parameters.length];\r
+                    try {\r
+                       for(int i=0;i<parameters.length;++i)\r
+                               args[i] = parameters[i].adapt(graph, r);\r
+                       procedure.execute(graph, constructor.newInstance(args));\r
+                               } catch (IllegalArgumentException e) {\r
+                                   procedure.exception(graph, e);\r
+                                       e.printStackTrace();\r
+                               } catch (InstantiationException e) {\r
+                        procedure.exception(graph, e);\r
+                                       e.printStackTrace();\r
+                               } catch (IllegalAccessException e) {\r
+                        procedure.exception(graph, e);\r
+                                       e.printStackTrace();\r
+                               } catch (InvocationTargetException e) {\r
+                        procedure.exception(graph, e);\r
+                                       e.printStackTrace();\r
+                               } catch (DatabaseException e) {\r
+                        procedure.exception(graph, e);\r
+                                       e.printStackTrace();\r
+                               }\r
+                }\r
+                \r
+                @Override\r
+                public String toString() {\r
+                       return "ReflectionAdapter$1" + constructor + "$" + Arrays.toString(parameters);\r
+                }\r
+                \r
+            });\r
+        \r
+       }\r
+        \r
+    }\r
+    \r
+    @Override\r
+    public String toString() {\r
+        return "ReflectionAdapter for " + constructor.getName();\r
+    }\r
+\r
+}\r