[JBoss-dev] [ jboss-Bugs-922733 ] java.math.BigDecimal always dirty

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Bugs item #922733, was opened at 2004-03-24 16:15
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Category: JBossCMP
Group: v3.2
Status: Open
Resolution: None
Priority: 5
Submitted By: Nicolas Fournier (nicfournier)
Assigned to: Nobody/Anonymous (nobody)
Summary: java.math.BigDecimal always dirty

Initial Comment:
JBoss 3.2.3
Sun JVM 1.4.2_03
MS SQL Database with Microsft SQL 2000 Driver SP2

I have entity beans with java.math.BigDecimal fields. 
The problem I have is that JBoss always updates all 
BigDecimal fields even if they are not modified by my 
code.

I traced in the source and found a possible explanation: 
BigDecimal gets the default INVALID_UNLESS_NULL 
CMPFieldStateFactory. Looking at the isStateValid 
method of this class:

public boolean isStateValid(Object state, Object 
fieldValue)
      {
         return state == null ? fieldValue == null : false;
      }

and tracing trough the code gives me a non null state 
and fieldValue even if not updated. So isStateValid 
returns false which marks the field as dirty which then 
triggers an update.

I am fully available if more info required.


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