UndoManager issues
UndoManager issues
- Subject: UndoManager issues
- From: Orphee Sandjo <email@hidden>
- Date: Mon, 19 Jul 2010 09:38:34 +0200
Hallo some more undomanager problems.
I do have a new enterprise object "EO_A" that i insert in a newly created EC and i call savechanges. So far so good.
"EO_A" is the owner part of a oneToMany relationship with "EO_B". So i create a new "EO_B" with the appropriate relation that i save as well.
Now i decide to delete "EO_B" and commit again, which is still fine. After that, i change my mind and call undo() on the undomanager to unroll up to the point before where EO_B was created but before it was inserted in the EC. So obviously there won't be no EO_B in the database anymore. Now if i call savechanges somewhere down the road, i get an IllegalStateException.
here is my simple testcase
enterpriseObject_A = SFIncident.createSFIncident(new EOEditingContext(), new NSTimestamp());
enterpriseObject_A.editingContext().saveChanges();
SFDocument enterpriseObject_B_With_RelationshipTo_A = enterpriseObject_A.createSFDocumentsRelationship(); // A <- oneToMany -> B
enterpriseObject_B_With_RelationshipTo_A.setCreated(new NSTimestamp());
enterpriseObject_B_With_RelationshipTo_A.setCategory("aCategory");
enterpriseObject_A.editingContext().saveChanges();
Assert.assertEquals(1,enterpriseObject_A.sFDocuments().count());
enterpriseObject_B_With_RelationshipTo_A.sFIncident().deleteSFDocumentsRelationship(enterpriseObject_B_With_RelationshipTo_A); // delete the relation B
enterpriseObject_A.editingContext().saveChanges();
Assert.assertEquals(0,enterpriseObject_A.sFDocuments().count());
enterpriseObject_A.editingContext().undoManager().undo();
enterpriseObject_A.editingContext().saveChanges();
The undomanager seems not to clear the snapshot of the enterpriseObject_B_With_RelationshipTo_A in memory when he removes it from the database as the following exception shows.
java.lang.IllegalStateException: rowDiffsForAttributes: snapshot in com.webobjects.eoaccess.EODatabaseOperation {_dbSnapshot = {}; _entity = "SFDocument"; _newRow = {typ = <com.webobjects.foundation.NSKeyValueCoding$Null>; hasMedicalData = false; downloadLink = <com.webobjects.foundation.NSKeyValueCoding$Null>; externalCreationDate = <com.webobjects.foundation.NSKeyValueCoding$Null>; info = <com.webobjects.foundation.NSKeyValueCoding$Null>; path = <com.webobjects.foundation.NSKeyValueCoding$Null>; created = 2010-06-24 08:32:52 Etc/GMT; data = "" name = <com.webobjects.foundation.NSKeyValueCoding$Null>; documentID = 1; category = "aCategory"; }; _object = "<net.starhealthcare.sffoundation.model.SFDocument pk:"1">"; _globalID = _EOIntegralKeyGlobalID[SFDocument (java.lang.Integer)1]; _databaseOperator = "EODatabaseUpdateOperator"; } does not contain value for attribute named category with snapshot key: category
at com.webobjects.eoaccess.EODatabaseOperation.rowDiffsForAttributes(EODatabaseOperation.java:344)
at com.webobjects.eoaccess.EODatabaseContext.createAdaptorOperationsForDatabaseOperationAttributes(EODatabaseContext.java:5196)
at com.webobjects.eoaccess.EODatabaseContext.createAdaptorOperationsForDatabaseOperation(EODatabaseContext.java:5373)
at com.webobjects.eoaccess.EODatabaseContext.performChanges(EODatabaseContext.java:6188)
at com.webobjects.eocontrol.EOObjectStoreCoordinator.saveChangesInEditingContext(EOObjectStoreCoordinator.java:376)
at com.webobjects.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:3192)
at net.starhealthcare.sffoundation.test.SFPatientDocumentPageTest.addingAndDeletingDocumentAndUndoingChangesAndSaving(SFPatientDocumentPageTest.java:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
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