net.esper.eql.core
Interface ViewResourceDelegate
- All Known Implementing Classes:
- ViewResourceDelegateImpl
public interface ViewResourceDelegate
Service to expression nodes for indicating view resource requirements.
requestCapability
boolean requestCapability(int streamNumber,
ViewCapability requestedCabability,
ViewResourceCallback resourceCallback)
- Request a view resource.
- Parameters:
streamNumber
- is the stream number to provide the resourcerequestedCabability
- describes the view capability requiredresourceCallback
- for the delegate to supply the resource
- Returns:
- true to indicate the resource can be granted