org.springframework.webflow.engine.model.registry
Interface FlowModelHolder

All Known Implementing Classes:

DefaultFlowModelHolder

public interface FlowModelHolder

A holder holding a reference to a Flow model. Provides a layer of indirection, enabling things like "hot-reloadable" flow models.

Author:

Keith Donald, Scott Andrews

See Also:

FlowModelRegistry.registerFlowModel(String, FlowModelHolder)

Method Summary

FlowModel	getFlowModel() Returns the flow model held by this holder.
org.springframework.core.io.Resource	getFlowModelResource() Returns the underlying resource defining the flow model.
boolean	hasFlowModelChanged() Has the underlying flow model changed since it was last accessed via a call to getFlowModel().
void	refresh() Refresh the flow model held by this holder.

Method Detail

getFlowModel

FlowModel getFlowModel()

Returns the flow model held by this holder. Calling this method the first time may trigger flow model assembly.

hasFlowModelChanged

boolean hasFlowModelChanged()

Has the underlying flow model changed since it was last accessed via a call to getFlowModel().

Returns:

true if yes, false if not

getFlowModelResource

org.springframework.core.io.Resource getFlowModelResource()

Returns the underlying resource defining the flow model.

Returns:

the flow model resource

refresh

void refresh()

Refresh the flow model held by this holder. Calling this method typically triggers flow re-assembly, which may include a refresh from an externalized resource such as a file.