Package com.polarion.platform.persistence.spi.diff

Class FieldDiff

java.lang.Object

com.polarion.platform.persistence.spi.diff.FieldDiff

All Implemented Interfaces:

IFieldDiff

public class FieldDiff
extends Object
implements IFieldDiff

Author:

POLARION SOFTWARE

Constructor Summary

Constructors

Constructor	Description
FieldDiff(String key, Object valueBefore, Object valueAfter)
FieldDiff(String key, Collection added, Collection removed)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Collection	getAdded()
Object	getAfter()
Object	getBefore()
String	getFieldName()
Collection	getRemoved()
int	hashCode()
boolean	isCollection()	Call this method to determine, whether the IFieldDiff.getAdded()/IFieldDiff.getRemoved() (for Collections) or IFieldDiff.getBefore()/IFieldDiff.getAfter() (for scalars) method pair is valid.
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

FieldDiff

public FieldDiff(String key,
 Object valueBefore,
 Object valueAfter)

FieldDiff

public FieldDiff(String key,
 Collection added,
 Collection removed)

Method Details

getFieldName

public String getFieldName()

Specified by:

getFieldName in interface IFieldDiff

Returns:

Name of the dield represented by this diff.

isCollection

public boolean isCollection()

Description copied from interface: IFieldDiff

Call this method to determine, whether the IFieldDiff.getAdded()/IFieldDiff.getRemoved() (for Collections) or IFieldDiff.getBefore()/IFieldDiff.getAfter() (for scalars) method pair is valid.

Specified by:

isCollection in interface IFieldDiff

Returns:

the name of the field

getBefore

public Object getBefore()

Specified by:

getBefore in interface IFieldDiff

Returns:

The field value before (for scalars only).

getAfter

public Object getAfter()

Specified by:

getAfter in interface IFieldDiff

Returns:

The field value after (for scalars only).

getAdded

public Collection getAdded()

Specified by:

getAdded in interface IFieldDiff

Returns:

Collection of values added into this field's collection Returns Collections.singletonList(getAfter()) for scalar fields.

getRemoved

public Collection getRemoved()

Specified by:

getRemoved in interface IFieldDiff

Returns:

Immutable collection of valued removed from this field's collection. Returns Collections.singletonList(getBefore()) for scalar fields.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object