org.springframework.statemachine

Interface ExtendedState

All Known Implementing Classes:

DefaultExtendedState

public interface ExtendedState

Extended states are used to supplement state machine with a variables. If extended state is used a complete condition of a state machine is a combination of its state an extended state variables.

Author:

Janne Valkealahti

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	ExtendedState.ExtendedStateChangeListener The listener interface for receiving extended state change events.

Method Summary

Modifier and Type	Method and Description
<T> T	get(java.lang.Object key, java.lang.Class<T> type) Gets a variable which is automatically casted into a type.
java.util.Map<java.lang.Object,java.lang.Object>	getVariables() Gets the extended state variables.
void	setExtendedStateChangeListener(ExtendedState.ExtendedStateChangeListener listener) Sets the extended state change listener.

Method Detail

getVariables

java.util.Map<java.lang.Object,java.lang.Object> getVariables()

Gets the extended state variables.

Returns:

the extended state variables

get

<T> T get(java.lang.Object key,
          java.lang.Class<T> type)

Gets a variable which is automatically casted into a type.

Type Parameters:

T - the return type

Parameters:

key - the variable key

type - the variable type

Returns:

the variable

setExtendedStateChangeListener

void setExtendedStateChangeListener(ExtendedState.ExtendedStateChangeListener listener)

Sets the extended state change listener.

Parameters:

listener - the new extended state change listener