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org.eclipse.core.databinding.observable
Class Diffs

java.lang.Object
  
org.eclipse.core.databinding.observable.Diffs

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public class Diffs
extends 
Object

Since:

1.0

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Constructor Summary
Diffs ()

 

Method Summary
static  ListDiff	computeListDiff ( List oldList, List newList)
static  MapDiff	computeMapDiff ( Map oldMap, Map newMap)           Computes the difference between two maps.
static  SetDiff	computeSetDiff ( Set oldSet, Set newSet)
static  ListDiff	createListDiff ( ListDiffEntry difference)
static  ListDiff	createListDiff ( ListDiffEntry[] differences)
static  ListDiff	createListDiff ( ListDiffEntry difference1, ListDiffEntry difference2)
static  ListDiffEntry	createListDiffEntry (int position, boolean isAddition, Object element)
static  MapDiff	createMapDiff ( Set addedKeys, Set removedKeys, Set changedKeys, Map oldValues, Map newValues)
static  MapDiff	createMapDiffRemoveAll ( Map copyOfOldMap)
static  MapDiff	createMapDiffSingleAdd ( Object addedKey, Object newValue)
static  MapDiff	createMapDiffSingleChange ( Object existingKey, Object oldValue, Object newValue)
static  MapDiff	createMapDiffSingleRemove ( Object removedKey, Object oldValue)
static  SetDiff	createSetDiff ( Set additions, Set removals)
static  ValueDiff	createValueDiff ( Object oldValue, Object newValue)
static boolean	equals ( Object left, Object right)           Checks whether the two objects are null -- allowing for null.

 

Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

Diffs

public Diffs()

Method Detail

computeListDiff

public static 
ListDiff computeListDiff(
List oldList,
                                       
List newList)

Parameters:

oldList -

newList -

Returns:

the differences between oldList and newList

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equals

public static final boolean equals(
Object left,
                                   
Object right)

Checks whether the two objects are null -- allowing for null.

Parameters:

left - The left object to compare; may be null.

right - The right object to compare; may be null.

Returns:

true if the two objects are equivalent; false otherwise.

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computeSetDiff

public static 
SetDiff computeSetDiff(
Set oldSet,
                                     
Set newSet)

Parameters:

oldSet -

newSet -

Returns:

a set diff

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computeMapDiff

public static 
MapDiff computeMapDiff(
Map oldMap,
                                     
Map newMap)

Computes the difference between two maps.

Parameters:

oldMap -

newMap -

Returns:

a map diff representing the changes needed to turn oldMap into newMap

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createValueDiff

public static 
ValueDiff createValueDiff(
Object oldValue,
                                        
Object newValue)

Parameters:

oldValue -

newValue -

Returns:

a value diff

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createSetDiff

public static 
SetDiff createSetDiff(
Set additions,
                                    
Set removals)

Parameters:

additions -

removals -

Returns:

a set diff

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createListDiff

public static 
ListDiff createListDiff(
ListDiffEntry difference)

Parameters:

difference -

Returns:

a list diff with one differing entry

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createListDiff

public static 
ListDiff createListDiff(
ListDiffEntry difference1,
                                      
ListDiffEntry difference2)

Parameters:

difference1 -

difference2 -

Returns:

a list diff with two differing entries

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createListDiff

public static 
ListDiff createListDiff(
ListDiffEntry[] differences)

Parameters:

differences -

Returns:

a list diff with the given entries

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createListDiffEntry

public static 
ListDiffEntry createListDiffEntry(int position,
                                                boolean isAddition,
                                                
Object element)

Parameters:

position -

isAddition -

element -

Returns:

a list diff entry

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createMapDiffSingleAdd

public static 
MapDiff createMapDiffSingleAdd(
Object addedKey,
                                             
Object newValue)

Parameters:

addedKey -

newValue -

Returns:

a map diff

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createMapDiffSingleChange

public static 
MapDiff createMapDiffSingleChange(
Object existingKey,
                                                
Object oldValue,
                                                
Object newValue)

Parameters:

existingKey -

oldValue -

newValue -

Returns:

a map diff

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createMapDiffSingleRemove

public static 
MapDiff createMapDiffSingleRemove(
Object removedKey,
                                                
Object oldValue)

Parameters:

removedKey -

oldValue -

Returns:

a map diff

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createMapDiffRemoveAll

public static 
MapDiff createMapDiffRemoveAll(
Map copyOfOldMap)

Parameters:

copyOfOldMap -

Returns:

a map diff

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createMapDiff

public static 
MapDiff createMapDiff(
Set addedKeys,
                                    
Set removedKeys,
                                    
Set changedKeys,
                                    
Map oldValues,
                                    
Map newValues)

Parameters:

addedKeys -

removedKeys -

changedKeys -

oldValues -

newValues -

Returns:

a map diff

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