DeltaUtil

java.lang.Object
- com.ibm.xtools.comparemerge.emf.delta.util.DeltaUtil

```
public final class DeltaUtil
extends java.lang.Object
```
Some convenient utility methods for working with deltas that would otherwise clutter Delta.

Field Summary

Fields
Modifier and Type	Field and Description
`static java.lang.String`	`COMPOSITE_LABEL_DELEGATE` Holds reference to delta that should be used to render name for composite delta
`static int`	`CONFLICTING`
`static java.lang.String`	`CONSIDER_FOR_ATOMIC_COMPOSITE_CONFLICT`
`static java.lang.String`	`DIAGRAM_COMPOSITE` Mark containers for diagram deltas
`static java.lang.String`	`EXTRA_KIND` Holds extra kind for delta
`static java.lang.String`	`IGNORE_CHILD_SYSTEM_DELTAS`
`static java.lang.String`	`LIST_CHANGE_DELTA_TYPE`
`static java.lang.String`	`NON_SYSTEM_DELTA_SELECTOR` Holds selector for non-system delta for system/non-system conflicts
`static int`	`NONCONFLICTING`
`static java.lang.String`	`OVERRIDE_LONG_NAME`
`static java.lang.String`	`OVERRIDE_SHORT_NAME` Custom properties to override delta short/long name
`static java.lang.String`	`PRIMARY_COMPOSITE` This mark composite as primary composite for deltas including in the composite The property is intended for hierarchical composite strategies that group deltas in visible composites
`static java.lang.String`	`PRIMARY_CONTAINER_SELECTOR` This contains reference to primary container selector for delta (IDeltaTreeFilter2) It is used when building hierarchical view

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static java.util.Set<Delta>`	`getAtomicCompositeDeltas(java.util.Collection<?> deltas, int flags)` Returns a set of atomic composite deltas
`static java.lang.String`	`getDiagramName(java.lang.String name)`
`static <T> T`	`getExtraKind(Delta delta)`
`static Delta`	`getFistListDeltaOfChangeDelta(Delta delta)`
`static java.util.Set<Delta>`	`getFlatDeltas(java.util.Collection<?> deltas, boolean ignoreSystemDeltas)` Returns a set of lead deltas but does not expand atomic composites
`static java.util.Set<Delta>`	`getLeafDeltas(java.util.List deltas)` Returns a set of leaf deltas from the specify list of deltas.
`static DeltaType`	`getListChangeDeltaType(Delta delta)`
`static java.util.List<Delta>`	`getNonSystemDeltas(Delta delta)` Returns non-system deltas contained in composite delta
`static java.lang.String[]`	`getOverrideNames(Delta delta)`
`static java.util.List<Conflict>`	`getVisibleConflicts(java.util.Collection<?> conflicts)`
`static boolean`	`hasNonSystemDelta(Delta delta)` Returns true if there is non-system delta in composite delta
`static boolean`	`isAdd(Delta delta)` Returns whether or not a delta is an add delta.
`static boolean`	`isAtomic(Delta delta)`
`static boolean`	`isChange(Delta delta)` Returns whether or not a delta is a change delta.
`static boolean`	`isComposite(Delta delta)` Returns whether or not a delta is a composite delta.
`static boolean`	`isDelete(Delta delta)` Returns whether or not a delta is a delete delta.
`static boolean`	`isJoin(Delta delta)` Returns whether or not a delta is a join delta.
`static boolean`	`isList(Delta delta)` Returns whether or not a delta is an add delta.
`static boolean`	`isListChangeDelta(Delta delta)`
`static boolean`	`isMorph(Delta delta)` Returns whether or not a delta is a morph delta.
`static boolean`	`isMove(Delta delta)` Returns whether or not a delta is a move delta.
`static boolean`	`isReorder(Delta delta)` Returns whether or not a delta is a reorder delta.
`static boolean`	`isSeparation(Delta delta)` Returns whether or not a delta is a separation delta.
`static <T> T`	`or(T v1, T v2)`
`static void`	`setExtraKind(Delta delta, java.lang.Object kind)`
`static java.util.List<Delta>`	`sortInFixedOrder(java.util.Collection<Delta> unorderedDeltas)` Sort deltas in fixed order.

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

- Field Detail
  - IGNORE_CHILD_SYSTEM_DELTAS
```
public static final java.lang.String IGNORE_CHILD_SYSTEM_DELTAS
```
    See Also:
    
    Constant Field Values
  - CONSIDER_FOR_ATOMIC_COMPOSITE_CONFLICT
```
public static final java.lang.String CONSIDER_FOR_ATOMIC_COMPOSITE_CONFLICT
```
    See Also:
    
    Constant Field Values
  - LIST_CHANGE_DELTA_TYPE
```
public static final java.lang.String LIST_CHANGE_DELTA_TYPE
```
    See Also:
    
    Constant Field Values
  - DIAGRAM_COMPOSITE
```
public static final java.lang.String DIAGRAM_COMPOSITE
```
    Mark containers for diagram deltas
    
    See Also:
    
    Constant Field Values
  - OVERRIDE_SHORT_NAME
```
public static final java.lang.String OVERRIDE_SHORT_NAME
```
    Custom properties to override delta short/long name
    
    See Also:
    
    Constant Field Values
  - OVERRIDE_LONG_NAME
```
public static final java.lang.String OVERRIDE_LONG_NAME
```
    See Also:
    
    Constant Field Values
  - COMPOSITE_LABEL_DELEGATE
```
public static final java.lang.String COMPOSITE_LABEL_DELEGATE
```
    Holds reference to delta that should be used to render name for composite delta
    
    See Also:
    
    Constant Field Values
  - PRIMARY_COMPOSITE
```
public static final java.lang.String PRIMARY_COMPOSITE
```
    This mark composite as primary composite for deltas including in the composite The property is intended for hierarchical composite strategies that group deltas in visible composites
    
    See Also:
    
    Constant Field Values
  - PRIMARY_CONTAINER_SELECTOR
```
public static final java.lang.String PRIMARY_CONTAINER_SELECTOR
```
    This contains reference to primary container selector for delta (IDeltaTreeFilter2) It is used when building hierarchical view
    
    See Also:
    
    Constant Field Values
  - EXTRA_KIND
```
public static final java.lang.String EXTRA_KIND
```
    Holds extra kind for delta
    
    See Also:
    
    Constant Field Values
  - NON_SYSTEM_DELTA_SELECTOR
```
public static final java.lang.String NON_SYSTEM_DELTA_SELECTOR
```
    Holds selector for non-system delta for system/non-system conflicts
    
    See Also:
    
    Constant Field Values
  - CONFLICTING
```
public static final int CONFLICTING
```
    See Also:
    
    Constant Field Values
  - NONCONFLICTING
```
public static final int NONCONFLICTING
```
    See Also:
    
    Constant Field Values
- Method Detail
  - isList
```
public static boolean isList(Delta delta)
```
    Returns whether or not a delta is an add delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is an add delta, otherwise false.
  - isAdd
```
public static boolean isAdd(Delta delta)
```
    Returns whether or not a delta is an add delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is an add delta, otherwise false.
  - isDelete
```
public static boolean isDelete(Delta delta)
```
    Returns whether or not a delta is a delete delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a delete delta, otherwise false.
  - isMove
```
public static boolean isMove(Delta delta)
```
    Returns whether or not a delta is a move delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a move delta, otherwise false.
  - isReorder
```
public static boolean isReorder(Delta delta)
```
    Returns whether or not a delta is a reorder delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a reorder delta, otherwise false.
  - isChange
```
public static boolean isChange(Delta delta)
```
    Returns whether or not a delta is a change delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a change delta, otherwise false.
  - isMorph
```
public static boolean isMorph(Delta delta)
```
    Returns whether or not a delta is a morph delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a morph delta, otherwise false.
  - isJoin
```
public static boolean isJoin(Delta delta)
```
    Returns whether or not a delta is a join delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a join delta, otherwise false.
  - isSeparation
```
public static boolean isSeparation(Delta delta)
```
    Returns whether or not a delta is a separation delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a separation delta, otherwise false.
  - isComposite
```
public static boolean isComposite(Delta delta)
```
    Returns whether or not a delta is a composite delta.
    
    Parameters:
    
    delta - a delta
    
    Returns:
    
    true if a delta is a composite delta, otherwise false.
  - getLeafDeltas
```
public static java.util.Set<Delta> getLeafDeltas(java.util.List deltas)
```
    Returns a set of leaf deltas from the specify list of deltas.
    
    Parameters:
    
    deltas - list of composite and leaf deltas.
    
    Returns:
    
    a set of leaf deltas from the specify list of deltas
  - getAtomicCompositeDeltas
```
public static java.util.Set<Delta> getAtomicCompositeDeltas(java.util.Collection<?> deltas,
                                                            int flags)
```
    Returns a set of atomic composite deltas
    
    Parameters:
    
    deltas -
  - getVisibleConflicts
```
public static java.util.List<Conflict> getVisibleConflicts(java.util.Collection<?> conflicts)
```
  - getFlatDeltas
```
public static java.util.Set<Delta> getFlatDeltas(java.util.Collection<?> deltas,
                                                 boolean ignoreSystemDeltas)
```
    Returns a set of lead deltas but does not expand atomic composites
    
    Parameters:
    
    deltas -
  - sortInFixedOrder
```
public static java.util.List<Delta> sortInFixedOrder(java.util.Collection<Delta> unorderedDeltas)
```
    Sort deltas in fixed order.
    
    Parameters:
    
    unorderedDeltas -
    
    Returns:
    
    non-modifiable list of deltas in fixed order
  - getDiagramName
```
public static java.lang.String getDiagramName(java.lang.String name)
```
  - getNonSystemDeltas
```
public static java.util.List<Delta> getNonSystemDeltas(Delta delta)
```
    Returns non-system deltas contained in composite delta
    
    Parameters:
    
    delta -
  - hasNonSystemDelta
```
public static boolean hasNonSystemDelta(Delta delta)
```
    Returns true if there is non-system delta in composite delta
    
    Parameters:
    
    delta -
  - isAtomic
```
public static boolean isAtomic(Delta delta)
```
  - isListChangeDelta
```
public static boolean isListChangeDelta(Delta delta)
```
  - getListChangeDeltaType
```
public static DeltaType getListChangeDeltaType(Delta delta)
```
  - getFistListDeltaOfChangeDelta
```
public static Delta getFistListDeltaOfChangeDelta(Delta delta)
```
  - getOverrideNames
```
public static java.lang.String[] getOverrideNames(Delta delta)
```
  - setExtraKind
```
public static void setExtraKind(Delta delta,
                                java.lang.Object kind)
```
  - getExtraKind
```
public static <T> T getExtraKind(Delta delta)
```
  - or
```
public static <T> T or(T v1,
                       T v2)
```

Class DeltaUtil

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

IGNORE_CHILD_SYSTEM_DELTAS

CONSIDER_FOR_ATOMIC_COMPOSITE_CONFLICT

LIST_CHANGE_DELTA_TYPE

DIAGRAM_COMPOSITE

OVERRIDE_SHORT_NAME

OVERRIDE_LONG_NAME

COMPOSITE_LABEL_DELEGATE

PRIMARY_COMPOSITE

PRIMARY_CONTAINER_SELECTOR

EXTRA_KIND

NON_SYSTEM_DELTA_SELECTOR

CONFLICTING

NONCONFLICTING

Method Detail

isList

isAdd

isDelete

isMove

isReorder

isChange

isMorph

isJoin

isSeparation

isComposite

getLeafDeltas

getAtomicCompositeDeltas

getVisibleConflicts

getFlatDeltas

sortInFixedOrder

getDiagramName

getNonSystemDeltas

hasNonSystemDelta

isAtomic

isListChangeDelta

getListChangeDeltaType

getFistListDeltaOfChangeDelta

getOverrideNames

setExtraKind

getExtraKind

or