Package com.nomagic.uml2.ext.jmi.reflect

Class ExpressionEvaluationManager

java.lang.Object

com.nomagic.uml2.ext.jmi.reflect.ExpressionEvaluationManager

@ThreadSafe
public class ExpressionEvaluationManager
extends java.lang.Object

Expression evaluation manager in general should be used by AbstractRefObject. All other access should be used for testing purposes only.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExpressionEvaluationManager.Key	Helper class.

Field Summary

Fields

Modifier and Type	Field	Description
private static java.util.Map<AbstractRepository,ExpressionEvaluationManager>	mInstances	Contains instances of the ExpressionEvaluationManager by repository.
private java.lang.ThreadLocal<java.util.Collection<ExpressionEvaluationManager.Key>>	mThreadLocal	Contains thread local set of evaluated objects.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ExpressionEvaluationManager()	Instances can be created by the class itself.

Method Summary

Modifier and Type	Method	Description
void	clearEvaluationStatus(javax.jmi.reflect.RefObject object, java.lang.String property)	Clears evaluation status of the specified object and specified property.
(package private) static void	create(AbstractRepository repository)	This method should be used by repository to create an instance of ExpressionEvaluationManager.
private java.util.Collection<ExpressionEvaluationManager.Key>	getEvaluated()	Returns a collection of evaluated element properties of a thread.
java.util.Collection<ExpressionEvaluationManager.Key>	getEvaluatedProperties()	Returns evaluated properties or null if no properties was evaluated.
static ExpressionEvaluationManager	getInstance(AbstractRepository repository)	Returns instance of ExpressionEvaluationManager by repository.
boolean	isEvaluated(javax.jmi.reflect.RefObject object, java.lang.String property)	Checks the fact whether the property is evaluated for the specified object.
void	setAsEvaluated(javax.jmi.reflect.RefObject object, java.lang.String property)	Sets specified object specified property as evaluated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mInstances

private static final java.util.Map<AbstractRepository,ExpressionEvaluationManager> mInstances

Contains instances of the ExpressionEvaluationManager by repository.

mThreadLocal

private final java.lang.ThreadLocal<java.util.Collection<ExpressionEvaluationManager.Key>> mThreadLocal

Contains thread local set of evaluated objects.

Constructor Detail

ExpressionEvaluationManager

private ExpressionEvaluationManager()

Instances can be created by the class itself.

Method Detail

getInstance

public static ExpressionEvaluationManager getInstance(AbstractRepository repository)

Returns instance of ExpressionEvaluationManager by repository.

Parameters:

repository - a repository.

Returns:

ExpressionEvaluationHelper of the repository.

create

static void create(AbstractRepository repository)

This method should be used by repository to create an instance of ExpressionEvaluationManager.

Parameters:

repository - a repository.

getEvaluated

private java.util.Collection<ExpressionEvaluationManager.Key> getEvaluated()

Returns a collection of evaluated element properties of a thread.

Returns:

evaluated properties collection.

isEvaluated

public boolean isEvaluated(javax.jmi.reflect.RefObject object,
                           java.lang.String property)

Checks the fact whether the property is evaluated for the specified object.

Parameters:

object - an object.

property - a property.

Returns:

true if the property value was evaluated.

getEvaluatedProperties

public java.util.Collection<ExpressionEvaluationManager.Key> getEvaluatedProperties()

Returns evaluated properties or null if no properties was evaluated. This is intended for testing only.

Returns:

evaluated properties.

setAsEvaluated

public void setAsEvaluated(javax.jmi.reflect.RefObject object,
                           java.lang.String property)

Sets specified object specified property as evaluated.

Parameters:

object - an object.

property - a property.

clearEvaluationStatus

public void clearEvaluationStatus(javax.jmi.reflect.RefObject object,
                                  java.lang.String property)

Clears evaluation status of the specified object and specified property.

Parameters:

object - an object.

property - a property.