org.eclipse.incquery.runtime.evm.specific.lifecycle

Class UnmodifiableActivationLifeCycle

java.lang.Object

org.eclipse.incquery.runtime.evm.api.ActivationLifeCycle

org.eclipse.incquery.runtime.evm.specific.lifecycle.UnmodifiableActivationLifeCycle

Direct Known Subclasses:

DefaultActivationLifeCycle

public class UnmodifiableActivationLifeCycle
extends ActivationLifeCycle

This class represents life-cycles that cannot be modified. Attempts to add new transitions will result in UnsupportedOperationException.

Author:

Abel Hegedus

Method Summary

Modifier and Type	Method and Description
boolean	addStateTransition(ActivationState from, EventType event, ActivationState to) Extends the life cycle with a new transition that is created from the given state, labeled with the given event and leading to the given state.
static UnmodifiableActivationLifeCycle	copyOf(ActivationLifeCycle lifeCycle) Creates an unmodifiable copy of the given life-cycle.

Methods inherited from class org.eclipse.incquery.runtime.evm.api.ActivationLifeCycle

containsFrom, containsTo, create, getInactiveState, getStateTransitionTable, nextActivationState, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

addStateTransition

public boolean addStateTransition(ActivationState from,
                                  EventType event,
                                  ActivationState to)

Description copied from class: ActivationLifeCycle

Extends the life cycle with a new transition that is created from the given state, labeled with the given event and leading to the given state. If the (from,event) transition already exists in the life-cycle, it is overwritten with the given to state.

Overrides:

addStateTransition in class ActivationLifeCycle

Parameters:

from - the source state of the transition

event - the event causing the transition

to - the target state of the transition

Returns:

true, if the life-cycle changed

copyOf

public static UnmodifiableActivationLifeCycle copyOf(ActivationLifeCycle lifeCycle)

Creates an unmodifiable copy of the given life-cycle.

Parameters:

lifeCycle -