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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.odmg 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.ojb.junit.ODMGTestCase
   org.apache.ojb.odmg.UserTestCases

UserTestCases
public class UserTestCases extends ODMGTestCase (Code)
Collection of test cases sent by OJB users
author:
   Armin Waibel
version:
   $Id: UserTestCases.java,v 1.13.2.4 2005/06/04 14:48:05 arminw Exp $




Method Summary
public static  voidmain(String[] args)
    
public  voidtestDuplicateInsertion()
     Send by Antonio Note: The name attribute was declared as unique in the DB.
public  voidtestImplicitLocking()
     User test case posted by Charles:

Up to now, we've been just using the broker layer.

public  voidtestRetrieveNonExistent()
    
public  voidtestRetrieveOutsideTxn()
    
public  voidtestSimpleQueryDelete()
    
public  voidtestStoreRetrieveSameTxn()
     store an object and then retrieve it by id.



Method Detail
main
public static void main(String[] args)(Code)



testDuplicateInsertion
public void testDuplicateInsertion() throws Exception(Code)
Send by Antonio Note: The name attribute was declared as unique in the DB.



testImplicitLocking
public void testImplicitLocking() throws Exception(Code)
User test case posted by Charles:

Up to now, we've been just using the broker layer. I now have a usecase where we will need to use the ODMG layer. We do not want to use implicit locking; I want my developers to explicit lock each object to an ODMG transaction (implicit locking generates loads of queries for all the proxy collections - should be fixed since OJB1.0.3).

It seems that something 'funny' happens if implicit locking is turned off - objects are not marked as being "dirty" when changed - even when they are explicitly lock to the transaction.

As I am a complete novice in the ways of the ODMG, I don't really know where to look to sort this issue out so I have added a new test method to org.apache.ojb.odmg.UserTestCases (it should be attached to this email). Essentially, it creates an object and persists it; retrieves and updates it; then flushes the cache, and retrieves it again to ensure the update worked. If ImplicitLocking is TRUE, the test passes. If ImplicitLocking is FALSE, the test fails.

I think this is incorrect, and would dearly like this to be resolved.

thma's comment: IMO this works as designed. objects must be locked to an ODMG tx before any modifications are taking place. I simply moved the lock two lines up and the test passed.




testRetrieveNonExistent
public void testRetrieveNonExistent()(Code)



testRetrieveOutsideTxn
public void testRetrieveOutsideTxn()(Code)
Not recommended to use such a construct!!!



testSimpleQueryDelete
public void testSimpleQueryDelete() throws Exception(Code)



testStoreRetrieveSameTxn
public void testStoreRetrieveSameTxn() throws Exception(Code)
store an object and then retrieve it by id.



Fields inherited from org.apache.ojb.junit.ODMGTestCase
public Database database(Code)(Java Doc)
public ImplementationExt odmg(Code)(Java Doc)

Methods inherited from org.apache.ojb.junit.ODMGTestCase
protected void setUp() throws Exception(Code)(Java Doc)
protected void tearDown() throws Exception(Code)(Java Doc)

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