org.simantics.interop/src/org/simantics/interop/issues/GraphIssue.java

   1 package org.simantics.interop.issues;\r
   2 \r
   3 import org.simantics.db.AsyncReadGraph;\r
   4 import org.simantics.db.ReadGraph;\r
   5 import org.simantics.db.procedure.AsyncListener;\r
   6 import org.simantics.db.request.Read;\r
   7 import org.simantics.utils.ui.ErrorLogger;\r
   8 \r
   9 /**\r
  10  * An issue whose state can be updated with an query\r
  11  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  12  *\r
  13  */\r
  14 public class GraphIssue extends AbstractIssue {\r
  15         \r
  16         private boolean disposed = false;\r
  17         \r
  18         /**\r
  19          * Creates an new Graph Issue\r
  20          * @param g access to graph\r
  21          * @param request Request that returns true if issue is still valid. If the request returns false, the issue is disposed.\r
  22          * @param description\r
  23          */\r
  24         public GraphIssue(ReadGraph g, Read<Boolean> request, String description) {\r
  25                 setDescription(description);\r
  26                 IssueReporter.getInstance().addIssue(this);\r
  27                 setRequest(g, request);\r
  28         }\r
  29         \r
  30         public GraphIssue(String description) {\r
  31                 setDescription(description);\r
  32                 IssueReporter.getInstance().addIssue(this);\r
  33         }\r
  34         \r
  35         public void setRequest(ReadGraph g, Read<Boolean> request) {\r
  36                 g.asyncRequest(request,new AsyncListener<Boolean>() {\r
  37                         @Override\r
  38                         public void execute(AsyncReadGraph graph, Boolean result) {\r
  39                                 if (result == null)\r
  40                                         return;\r
  41                                 \r
  42                                 if (!result) {\r
  43                                         dispose();\r
  44                                 }\r
  45                         }\r
  46                         \r
  47                         @Override\r
  48                         public void exception(AsyncReadGraph graph, Throwable throwable) {\r
  49                                 ErrorLogger.defaultLogError("Error in GraphIssue handling, disposing issue \"" + getDescription()+"\"", throwable);\r
  50                                 dispose();      \r
  51                         }\r
  52                         \r
  53                         @Override\r
  54                         public boolean isDisposed() {\r
  55                                 return disposed;\r
  56                         }\r
  57                 });\r
  58         }\r
  59         \r
  60         @Override\r
  61         public void showInEditor() {\r
  62         \r
  63         }\r
  64         \r
  65         @Override\r
  66         public boolean supportsEditor() {\r
  67                 return false;\r
  68         }\r
  69         \r
  70         @Override\r
  71         public void dispose() {\r
  72                 this.disposed = true;\r
  73                 super.dispose();\r
  74         }\r
  75 \r
  76 }\r