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public interface ViewCapability
Interface for use by expression nodes to indicate view resource requirements allowing inspection and modification of view factories.
Method Summary | |
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boolean |
inspect(int streamNumber,
List<ViewFactory> viewFactories,
StatementContext statementContext)
Inspect view factories returning false to indicate that view factories do not meet view resource requirements, or true to indicate view capability and view factories can be compatible. |
boolean |
requiresChildViews()
Returns true to indicate that the capability requirs one or more child views, or can work without child views. |
Method Detail |
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boolean inspect(int streamNumber, List<ViewFactory> viewFactories, StatementContext statementContext) throws ExprValidationException
streamNumber
- is the number of the streamviewFactories
- is a list of view factories that originate the final viewsstatementContext
- is the statement-level services
ExprValidationException
- to indicate the inspect operation failed and a capability is not providedboolean requiresChildViews()
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