org.eclipse.xtext.resource

Interface IResourceDescription.Manager

All Known Implementing Classes:

DefaultResourceDescriptionManager, DerivedStateAwareResourceDescriptionManager, GenericResourceDescriptionManager

Enclosing interface:

IResourceDescription

public static interface IResourceDescription.Manager

Method Summary

Methods

Modifier and Type	Method and Description
IResourceDescription.Delta	createDelta(IResourceDescription oldDescription, IResourceDescription newDescription)
IResourceDescription	getResourceDescription(org.eclipse.emf.ecore.resource.Resource resource)
boolean	isAffected(java.util.Collection<IResourceDescription.Delta> deltas, IResourceDescription candidate, IResourceDescriptions context) Batch operation to check whether a description is affected by any given delta in the given context.
boolean	isAffected(IResourceDescription.Delta delta, IResourceDescription candidate)

Method Detail

getResourceDescription

IResourceDescription getResourceDescription(org.eclipse.emf.ecore.resource.Resource resource)

Returns:

a resource description for the given resource. The result represents the current state of the given resource.

createDelta

IResourceDescription.Delta createDelta(IResourceDescription oldDescription,
                                     IResourceDescription newDescription)

Returns:

a delta for both given descriptions.

isAffected

boolean isAffected(IResourceDescription.Delta delta,
                 IResourceDescription candidate)
                   throws java.lang.IllegalArgumentException

Returns:

whether the candidate is affected by the change in the delta.

Throws:

java.lang.IllegalArgumentException - if this manager is not responsible for the given candidate.

isAffected

boolean isAffected(java.util.Collection<IResourceDescription.Delta> deltas,
                 IResourceDescription candidate,
                 IResourceDescriptions context)
                   throws java.lang.IllegalArgumentException

Batch operation to check whether a description is affected by any given delta in the given context. Implementations may perform any optimizations to return false whenever possible, e.g. check the deltas against the visible containers.

Parameters:

deltas - List of deltas to check. May not be null.

candidate - The description to check. May not be null.

context - The current context of the batch operation. May not be null.

Returns:

whether the condidate is affected by any of the given changes.

Throws:

java.lang.IllegalArgumentException - if this manager is not responsible for the given candidate.