Package org.eclipse.emf.compare.merge

Class AdditiveReferenceChangeMerger

java.lang.Object

org.eclipse.emf.compare.merge.AbstractMerger

org.eclipse.emf.compare.merge.ReferenceChangeMerger

org.eclipse.emf.compare.merge.AdditiveReferenceChangeMerger

All Implemented Interfaces:

IMergeCriterionAware, IMergeOptionAware, IMerger, IMerger2

public class AdditiveReferenceChangeMerger
extends ReferenceChangeMerger

This specific implementation of AbstractMerger will be used to merge reference changes in an additive merge context.

Since:

3.4

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.emf.compare.merge.IMerger

IMerger.Registry, IMerger.Registry2, IMerger.RegistryImpl

Field Summary

Fields inherited from class org.eclipse.emf.compare.merge.AbstractMerger

mergeOptions, SUB_DIFF_AWARE_OPTION

Constructor Summary

Constructors

Constructor	Description
AdditiveReferenceChangeMerger()	The constructor specify the context where this merger can be used.

Method Summary

Modifier and Type	Method	Description
boolean	apply(IMergeCriterion criterion)	Default implementation of apply for mergers that extends this class.
void	copyRightToLeft(Diff target, Monitor monitor)	Executes the copy from right to left.
java.util.Set<Diff>	getDirectMergeDependencies(Diff diff, boolean mergeRightToLeft)	Retrieves the set of directly required diffs needed in order to merge the current one.
java.util.Set<Diff>	getDirectResultingMerges(Diff diff, boolean mergeRightToLeft)	Returns all differences that will be merged because of our merging the given target difference.

Methods inherited from class org.eclipse.emf.compare.merge.ReferenceChangeMerger

accept, addInTarget, checkImpliedDiffsOrdering, doMove, findInsertionIndex, findMatchIn, isMergerFor, moveElement, reject, removeFromTarget, resetInTarget

Methods inherited from class org.eclipse.emf.compare.merge.AbstractMerger

addAt, copyDiff, copyLeftToRight, createCopy, getDirectResultingRejections, getImpliedMerges, getLogicallyResultingMerges, getMergeOptions, getMergerDelegate, getMergerDelegate, getRanking, getRegistry, isAccepting, isAdd, isInTerminalState, isSet, isUnset, mergeDiff, setMergeOptions, setRanking, setRegistry

Methods inherited from class java.lang.Object

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

Constructor Details

AdditiveReferenceChangeMerger

public AdditiveReferenceChangeMerger()

The constructor specify the context where this merger can be used.

Method Details

apply

public boolean apply(IMergeCriterion criterion)

Description copied from class: AbstractMerger

Default implementation of apply for mergers that extends this class. Will accept null or AdditiveMergeCriterion.INSTANCE.

Specified by:

apply in interface IMergeCriterionAware

Overrides:

apply in class ReferenceChangeMerger

Parameters:

criterion - The merge criterion

Returns:

true if the given criterion is null or is AdditiveMergeCriterion.INSTANCE.

copyRightToLeft

public void copyRightToLeft(Diff target, Monitor monitor)

Description copied from class: AbstractMerger

Executes the copy from right to left.

Specified by:

copyRightToLeft in interface IMerger

Overrides:

copyRightToLeft in class AbstractMerger

Parameters:

target - The difference to handle.

monitor - Monitor.

See Also:

IMerger.copyRightToLeft(org.eclipse.emf.compare.Diff, org.eclipse.emf.common.util.Monitor)

getDirectMergeDependencies

public java.util.Set<Diff> getDirectMergeDependencies(Diff diff, boolean mergeRightToLeft)

Description copied from class: AbstractMerger

Retrieves the set of directly required diffs needed in order to merge the current one. This may includes the diff's requirements or any other diff that we need to merge before the given one.

Specified by:

getDirectMergeDependencies in interface IMerger2

Overrides:

getDirectMergeDependencies in class AbstractMerger

Parameters:

diff - The diff which direct requirements we need.

mergeRightToLeft - The direction in which we're considering a merge.

Returns:

The set of directly required diffs in order to merge the current one.

getDirectResultingMerges

public java.util.Set<Diff> getDirectResultingMerges(Diff diff, boolean mergeRightToLeft)

Description copied from class: AbstractMerger

Returns all differences that will be merged because of our merging the given target difference. This may include the diff's implications, the diff's equivalences, the diff's refinements or any other diff that we need to merge together with the given diff.

Specified by:

getDirectResultingMerges in interface IMerger2

Overrides:

getDirectResultingMerges in class AbstractMerger

Parameters:

diff - The difference we're considering merging.

mergeRightToLeft - The direction in which we're considering a merge.

Returns:

The Set of all differences that will be merged because we've merged target.