Class SingleValuedAttributeModelUpdateStrategy
java.lang.Object
org.eclipse.emf.compare.rcp.ui.internal.contentmergeviewer.SingleValuedAttributeModelUpdateStrategy
- All Implemented Interfaces:
IModelUpdateStrategy
public class SingleValuedAttributeModelUpdateStrategy
extends Object
implements IModelUpdateStrategy
A
IModelUpdateStrategy
for single-valued EAttributes
.
This strategy is tolerant in the sense that it will not throw exceptions if the input is not a supported
AttributeChange
. In this case, this strategy will return false
on
canUpdate(Diff, MergeViewerSide)
and return a command on
getModelUpdateCommand(Diff, Object, MergeViewerSide)
that specifies false on
Command.canExecute()
. Therefore, it can be used as default strategy.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionboolean
canUpdate
(Diff diff, IMergeViewer.MergeViewerSide side) Specifies whether the value in the model can to be updated on the givenside
.getModelUpdateCommand
(Diff diff, Object newValue, IMergeViewer.MergeViewerSide side) Returns a command for updating the underlying model with the givennewValue
on the givenside
.
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Constructor Details
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SingleValuedAttributeModelUpdateStrategy
public SingleValuedAttributeModelUpdateStrategy()
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Method Details
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canUpdate
Specifies whether the value in the model can to be updated on the givenside
.- Specified by:
canUpdate
in interfaceIModelUpdateStrategy
- Parameters:
diff
- The diff acting as context of the potential model update.side
- The side to check.- Returns:
true
if the value can be updated,false
otherwise.- See Also:
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getModelUpdateCommand
Returns a command for updating the underlying model with the givennewValue
on the givenside
.- Specified by:
getModelUpdateCommand
in interfaceIModelUpdateStrategy
- Parameters:
diff
- The diff acting as context of the model update.newValue
- The new value to be set.side
- The side on which the update is to be performed.- Returns:
- A command to perform the model update.
- See Also:
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