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Java Source Code / Java Documentation » Workflow Engines » spring webflow 1.0.4 » org.springframework.webflow.engine.builder

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Class Diagram

Java Document (Java Doc)

org.springframework.webflow.engine.builder .FlowServiceLocator

All known Subclasses:   org.springframework.webflow.engine.builder.xml .LocalFlowServiceLocator,  org.springframework.webflow.engine.builder .BaseFlowServiceLocator,
FlowServiceLocator
public interface FlowServiceLocator (Code)
A support interface used by flow builders at configuration time. Acts as a "service locator" responsible for:

Retrieving dependent (but externally managed) flow services needed to configure flow and state definitions. Such services are usually hosted in a backing registry and may be shared by multiple flows.
Providing access to abstract factories to create core flow definitional artifacts such as Flow , State , Transition , and AbstractBeanInvokingAction bean invoking actions . These artifacts are unique to each flow and are typically not shared.

In general, implementations of this interface act as facades to accessing and creating flow artifacts during FlowAssembler flow assembly .
Finally, this interface also exposes access to generic infrastructure services also needed by flow assemblers such as a ConversionService and ExpressionParser .
See Also:   org.springframework.webflow.engine.builder.FlowBuilder
See Also:   org.springframework.webflow.engine.builder.BaseFlowBuilder
See Also:   org.springframework.webflow.engine.builder.FlowAssembler
author:
   Keith Donald
author:
   Erwin Vervaet

Method Summary
public Action getAction(String id)
     Retrieve an action to be executed within a flow with the assigned id.
public FlowAttributeMapper getAttributeMapper(String id)
     Returns the flow attribute mapper with the provided id.
public BeanFactory getBeanFactory()
     Returns a generic bean (service) registry for accessing arbitrary beans.
public BeanInvokingActionFactory getBeanInvokingActionFactory()
     Returns the factory for bean invoking actions.
public ConversionService getConversionService()
     Returns a generic type conversion service for converting between types, typically from string to a rich value object.
public FlowExecutionExceptionHandler getExceptionHandler(String id)
     Returns the exception handler to handle flow execution exceptions with the provided id.
public ExpressionParser getExpressionParser()
     Returns the expression parser for parsing expression strings.
public FlowArtifactFactory getFlowArtifactFactory()
     Returns the factory for core flow artifacts such as Flow and State.
public ResourceLoader getResourceLoader()
     Returns a generic resource loader for accessing file-based resources.
public Flow getSubflow(String id)
     Returns the Flow to be used as a subflow with the provided id.
public TargetStateResolver getTargetStateResolver(String id)
     Returns the transition target state resolver with the specified id.
public TransitionCriteria getTransitionCriteria(String id)
     Returns the transition criteria to drive state transitions with the provided id.
public ViewSelector getViewSelector(String id)
     Returns the view selector to make view selections in view states with the provided id.

Method Detail
getAction
public Action getAction(String id) throws FlowArtifactLookupException(Code)
Retrieve an action to be executed within a flow with the assigned id.
Parameters:
  id - the id of the action
throws:
  FlowArtifactLookupException - when no such action is found

getAttributeMapper
public FlowAttributeMapper getAttributeMapper(String id) throws FlowArtifactLookupException(Code)
Returns the flow attribute mapper with the provided id. Flow attribute mappers are used from subflow states to map input and output attributes.
Parameters:
  id - the attribute mapper id the attribute mapper
throws:
  FlowArtifactLookupException - when no such mapper is found

getBeanFactory
public BeanFactory getBeanFactory() throws UnsupportedOperationException(Code)
Returns a generic bean (service) registry for accessing arbitrary beans. the generic service registry
throws:
  UnsupportedOperationException - when not supported by this locator

getBeanInvokingActionFactory
public BeanInvokingActionFactory getBeanInvokingActionFactory()(Code)
Returns the factory for bean invoking actions. the bean invoking action factory

getConversionService
public ConversionService getConversionService()(Code)
Returns a generic type conversion service for converting between types, typically from string to a rich value object. the generic conversion service

getExceptionHandler
public FlowExecutionExceptionHandler getExceptionHandler(String id) throws FlowArtifactLookupException(Code)
Returns the exception handler to handle flow execution exceptions with the provided id.
Parameters:
  id - the exception handler id the exception handler
throws:
  FlowArtifactLookupException - when no such handler is found

getExpressionParser
public ExpressionParser getExpressionParser()(Code)
Returns the expression parser for parsing expression strings. the expression parser

getFlowArtifactFactory
public FlowArtifactFactory getFlowArtifactFactory()(Code)
Returns the factory for core flow artifacts such as Flow and State. the flow artifact factory

getResourceLoader
public ResourceLoader getResourceLoader()(Code)
Returns a generic resource loader for accessing file-based resources. the generic resource loader

getSubflow
public Flow getSubflow(String id) throws FlowArtifactLookupException(Code)
Returns the Flow to be used as a subflow with the provided id.
Parameters:
  id - the flow id the flow to be used as a subflow
throws:
  FlowArtifactLookupException - when no such flow is found

getTargetStateResolver
public TargetStateResolver getTargetStateResolver(String id) throws FlowArtifactLookupException(Code)
Returns the transition target state resolver with the specified id.
Parameters:
  id - the target state resolver id the target state resolver
throws:
  FlowArtifactLookupException - when no such resolver is found

getTransitionCriteria
public TransitionCriteria getTransitionCriteria(String id) throws FlowArtifactLookupException(Code)
Returns the transition criteria to drive state transitions with the provided id.
Parameters:
  id - the transition criteria id the transition criteria
throws:
  FlowArtifactLookupException - when no such criteria is found

getViewSelector
public ViewSelector getViewSelector(String id) throws FlowArtifactLookupException(Code)
Returns the view selector to make view selections in view states with the provided id.
Parameters:
  id - the view selector id the view selector
throws:
  FlowArtifactLookupException - when no such selector is found

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