Examples of org.datanucleus.StateManager.replaceField()

org.datanucleus.StateManager.replaceField()
Method to change the value of the specified field. @param fieldNumber (absolute) field number of the field @param value The new value. @param makeDirty Whether to make the field dirty when replacing it

            PersistenceCapable pcOldValue = (PersistenceCapable)oldValue;
            StateManager vsm = om.findStateManager(pcOldValue);
            
            // Null the key field
            vsm.setObjectField(pcOldValue, keyFieldNumber, key, null);
            vsm.replaceField(keyFieldNumber, null, true);
            
            // Null the owner field
            if (ownerFieldNumber >= 0)
            {
                Object oldOwner = vsm.provideField(ownerFieldNumber);

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            // Null the owner field
            if (ownerFieldNumber >= 0)
            {
                Object oldOwner = vsm.provideField(ownerFieldNumber);
                vsm.setObjectField(pcOldValue, ownerFieldNumber, oldOwner, null);
                vsm.replaceField(ownerFieldNumber, null, true);
            }
            else
            {
                updateValueFk(sm, pcOldValue, null);
            }

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                // Use the sub-object mapping to extract the value for that object
                Object subValue = mapping.getObject(om, rs, subParam, embSM, embAbsFieldNum);
                if (subValue != null)
                {
                    embSM.replaceField(embAbsFieldNum, subValue, true);
                }


                // TODO Check the null column and its value in the sub-embedded ?
            }
            else

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                    posMapping[j] = param[n++];
                }
                Object fieldValue = mapping.getObject(om, rs, posMapping);
                if (fieldValue != null)
                {
                    embSM.replaceField(embAbsFieldNum, fieldValue, true);
                }
                else
                {
                    // If the value is null, but the field is not a primitive update it
                    AbstractMemberMetaData embFmd = embCmd.getMetaDataForManagedMemberAtAbsolutePosition(embAbsFieldNum);

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                {
                    // If the value is null, but the field is not a primitive update it
                    AbstractMemberMetaData embFmd = embCmd.getMetaDataForManagedMemberAtAbsolutePosition(embAbsFieldNum);
                    if (!embFmd.getType().isPrimitive())
                    {
                        embSM.replaceField(embAbsFieldNum, fieldValue, true);
                    }
                }


                // Check for the null column and its value
                if (nullColumn != null &&

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            if (ownerField != null)
            {
                int ownerFieldNumberInElement = embCmd.getAbsolutePositionOfMember(ownerField);
                if (ownerFieldNumberInElement >= 0)
                {
                    embSM.replaceField(ownerFieldNumberInElement, ownerSM.getObject(), true);
                }
            }
        }
        
        // Register our owner now that we have our values set

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                            else if (relationType == Relation.ONE_TO_ONE_BI)
                            {
                                AbstractMemberMetaData[] relatedMmds = mmd.getRelatedMemberMetaData(clr);
                                // TODO Cater for more than 1 related field
                                StateManager relatedSM = om.findStateManager(pcNew);
                                relatedSM.replaceField(relatedMmds[0].getAbsoluteFieldNumber(), ownerSM.getObject(), true);
                            }
                        }
                    }
                    catch (NotYetFlushedException e)
                    {

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                    {
                        NucleusLogger.PERSISTENCE.debug(LOCALISER.msg("041018",
                            StringUtils.toJVMIDString(sm.getObject()), mmd.getFullFieldName(),
                            StringUtils.toJVMIDString(pc), relatedMmd.getFullFieldName()));
                    }
                    otherSM.replaceField(relatedMmd.getAbsoluteFieldNumber(), sm.getObject(), false);
                }
                else if (relatedValue != sm.getObject())
                {
                    // Managed Relations : Other side is inconsistent so throw exception
                    throw new NucleusUserException(

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                            {
                                NucleusLogger.PERSISTENCE.debug(LOCALISER.msg("041019",
                                    StringUtils.toJVMIDString(pc), relatedMmd.getFullFieldName(),
                                    StringUtils.toJVMIDString(sm.getObject())));
                            }
                            otherSM.replaceField(relatedMmd.getAbsoluteFieldNumber(), null, true);
                        }
                    }
                }
            }
            else if (relationType == Relation.ONE_TO_ONE_BI && mmd.getMappedBy() != null)

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                if (dependent)
                {
                    if (isNullable)
                    {
                        // Null out the FK in the datastore using a direct update (since we are deleting)
                        otherSM.replaceField(relatedMmds[0].getAbsoluteFieldNumber(), null, true);
                        otherSM.getStoreManager().getPersistenceHandler().updateObject(
                            otherSM, new int[]{relatedMmds[0].getAbsoluteFieldNumber()});
                    }
                    // Mark the other object for deletion
                    om.deleteObjectInternal(pc);

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