com.aspc.DBObj.Internal

Class ChangedFieldData

java.lang.Object

com.aspc.DBObj.Internal.ChangedFieldData

public final class ChangedFieldData
extends java.lang.Object

ChangedFieldData holds the original, current and default values/keys of a field that has been changed. THREAD MODE: SINGLE-THREADED

Since:

28 August, 2002

Author:

Nigel Leck

Constructor Summary

Constructors

Constructor and Description
ChangedFieldData(DBField field, java.lang.Object originalValue, GlobalKey originalKey, java.lang.Object defaultValue, GlobalKey defaultKey, java.lang.Object currentValue, GlobalKey currentKey) Creates a new modification data for a field.

Method Summary

Modifier and Type	Method and Description
GlobalKey	getCurrentKey() Gets the current global key for this LINKED field
java.lang.Object	getCurrentValue() The current value of the field.
GlobalKey	getDefaultKey() The default value's global key
java.lang.Object	getDefaultValue() What is the "default" value for this field ? A DBObject that is NEW and only contains default values is said to be EMPTY.
DBField	getField() The field that this modification data is for.
GlobalKey	getOriginalKey() The original global key for this field.
java.lang.Object	getOriginalValue() The original value for this field.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChangedFieldData

public ChangedFieldData(DBField field,
                        java.lang.Object originalValue,
                        GlobalKey originalKey,
                        java.lang.Object defaultValue,
                        GlobalKey defaultKey,
                        java.lang.Object currentValue,
                        GlobalKey currentKey)

Creates a new modification data for a field.

Parameters:

defaultValue -

defaultKey -

currentValue -

currentKey -

field - The field that has been changed.

originalValue - The original value of the field which is non mutable.

originalKey - The original global key for a field which will be non mutable.

Method Detail

getField

public DBField getField()

The field that this modification data is for.

Returns:

The field.

getCurrentValue

public java.lang.Object getCurrentValue()

The current value of the field.

Returns:

The value

getCurrentKey

public GlobalKey getCurrentKey()

Gets the current global key for this LINKED field

Returns:

The field's global key

getDefaultValue

public java.lang.Object getDefaultValue()

What is the "default" value for this field ? A DBObject that is NEW and only contains default values is said to be EMPTY. The status of being EMPTY is very important for screen elements like SDBPortals

Returns:

The default value

getDefaultKey

public GlobalKey getDefaultKey()

The default value's global key

Returns:

The global key for the default value.

getOriginalValue

public java.lang.Object getOriginalValue()

The original value for this field.

Returns:

The original value

getOriginalKey

public GlobalKey getOriginalKey()

The original global key for this field.

Returns:

The global key.