public abstract class AbstractTransition extends java.lang.Object implements Transition
Transition
implementation. Takes care of matching the
current Event
's id against the id of the Event
this
Transition
handles. To handle any Event
the id should be set
to Event.WILDCARD_EVENT_ID
.Constructor and Description |
---|
AbstractTransition(java.lang.Object eventId)
|
AbstractTransition(java.lang.Object eventId,
State nextState)
|
Modifier and Type | Method and Description |
---|---|
protected abstract boolean |
doExecute(Event event)
Executes this
Transition . |
boolean |
equals(java.lang.Object o) |
boolean |
execute(Event event)
Executes this
Transition . |
State |
getNextState()
Returns the
State which the StateMachine should move to
if this Transition is taken and Transition.execute(Event) returns
true . |
int |
hashCode() |
java.lang.String |
toString() |
public AbstractTransition(java.lang.Object eventId)
eventId
- the Event
id.public State getNextState()
Transition
State
which the StateMachine
should move to
if this Transition
is taken and Transition.execute(Event)
returns
true
.getNextState
in interface Transition
State
or null
if this
Transition
is a loopback Transition
.public boolean execute(Event event)
Transition
Transition
. It is the responsibility of this
Transition
to determine whether it actually applies for the
specified Event
. If this Transition
doesn't apply
nothing should be executed and false
must be returned.execute
in interface Transition
event
- the current Event
.true
if the Transition
was executed,
false
otherwise.protected abstract boolean doExecute(Event event)
Transition
. This method doesn't have to check
if the Event
's id matches because execute(Event)
has
already made sure that that is the case.event
- the current Event
.true
if the Transition
has been executed
successfully and the StateMachine
should move to the
next State
. false
otherwise.public boolean equals(java.lang.Object o)
equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public java.lang.String toString()
toString
in class java.lang.Object
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