com.wewebu.ow.server.history

Class OwStandardHistoryModifiedPropertyValue

java.lang.Object

com.wewebu.ow.server.history.OwStandardHistoryModifiedPropertyValue

All Implemented Interfaces:

OwHistoryModifiedPropertyValue

public class OwStandardHistoryModifiedPropertyValue
extends Object
implements OwHistoryModifiedPropertyValue

Base implementation for OwHistoryModifiedPropertyValue a property change property used by OwHistoryEtnry.
Keeps information about a modified property and its previous and new value.

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Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OwStandardHistoryModifiedPropertyValue.OwModifiedField OwModifiedField.

Field Summary

Fields

Modifier and Type	Field and Description
static String	NULL_DISPLAY_VALUE a display string for the null value

Constructor Summary

Constructors

Constructor and Description
OwStandardHistoryModifiedPropertyValue(String className_p, boolean isArray_p, String oldValue_p, String newValue_p, OwFieldDefinitionProvider fielddefprovider_p, String resource_p) construct a modified property value

Method Summary

Methods

Modifier and Type	Method and Description
String	getClassName() get the modified property class name
OwFieldDefinition	getFieldDefinition() get the modified property field definition
OwField	getNewValue() try to get the new value before the modification happens
String	getNewValueString() get a string representation of the new value
OwField	getOldValue() try to get the old value before the modification happens
String	getOldValueString() get a string representation of the old value
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NULL_DISPLAY_VALUE

public static final String NULL_DISPLAY_VALUE

a display string for the null value

See Also:

Constant Field Values

Constructor Detail

OwStandardHistoryModifiedPropertyValue

public OwStandardHistoryModifiedPropertyValue(String className_p,
                                      boolean isArray_p,
                                      String oldValue_p,
                                      String newValue_p,
                                      OwFieldDefinitionProvider fielddefprovider_p,
                                      String resource_p)

construct a modified property value

Parameters:

className_p - String

isArray_p -

oldValue_p - String

newValue_p - String

fielddefprovider_p - OwFieldDefinitionProvider field definition provider to resolve the values

resource_p - String name of the resource to look up field definitions

Method Detail

getClassName

public String getClassName()

get the modified property class name

Specified by:

getClassName in interface OwHistoryModifiedPropertyValue

Returns:

String classname of property

getFieldDefinition

public OwFieldDefinition getFieldDefinition()
                                     throws OwObjectNotFoundException,
                                            Exception

get the modified property field definition

Specified by:

getFieldDefinition in interface OwHistoryModifiedPropertyValue

Returns:

OwFieldDefinition field definition of the property

Throws:

Exception

OwObjectNotFoundException

getOldValue

public OwField getOldValue()
                    throws OwObjectNotFoundException,
                           Exception

try to get the old value before the modification happens

Specified by:

getOldValue in interface OwHistoryModifiedPropertyValue

Returns:

OwField

Throws:

OwObjectNotFoundException - if value could not be resolved

Exception

getNewValue

public OwField getNewValue()
                    throws OwObjectNotFoundException,
                           Exception

try to get the new value before the modification happens

Specified by:

getNewValue in interface OwHistoryModifiedPropertyValue

Returns:

OwField

Throws:

OwObjectNotFoundException - if value could not be resolved

Exception

getOldValueString

public String getOldValueString()

get a string representation of the old value

Specified by:

getOldValueString in interface OwHistoryModifiedPropertyValue

Returns:

String

getNewValueString

public String getNewValueString()

get a string representation of the new value

Specified by:

getNewValueString in interface OwHistoryModifiedPropertyValue

Returns:

String

toString

public String toString()

Overrides:

toString in class Object