org.jage.property
Class Property

java.lang.Object
  org.jage.property.Property

Direct Known Subclasses:

FieldProperty, GetterSetterProperty, PropertyFunction, SimpleProperty

public abstract class Property
extends Object

Base, abstract class for all properties.

Author:

Tomek

Constructor Summary

Property()
Constructor.

Method Summary

void	addMonitor(AbstractPropertyMonitor monitor, IPropertyMonitorRule rule) Registers monitor for this property.
abstract MetaProperty	getMetaProperty() Returns metadata for this property.
protected PropertyValueMonitoringStrategy	getMonitoringStrategy() Creates monitoring strategy for this property.
SimpleProperty	getSimpleProperty() Provides simple version of this property that does not have any monitors and additional stuff.
abstract Object	getValue() Returns value of this property.
protected void	initializeMonitoringStrategy() Initializes monitoring strategy for the property.
void	notifyMonitors(Object newValue) Notify monitors about property change.
void	notifyMonitors(Object newValue, boolean forceNotifying) Notify monitors about property change.
void	objectDeleted(AbstractEvent event) Informs the property that is has been deleted.
void	removeMonitor(AbstractPropertyMonitor monitor) Unregisters monitor from this property.
abstract void	setValue(Object value) Sets value of this property.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Property

public Property()

Constructor.

Method Detail

initializeMonitoringStrategy

protected void initializeMonitoringStrategy()

Initializes monitoring strategy for the property.

getMonitoringStrategy

protected PropertyValueMonitoringStrategy getMonitoringStrategy()

Creates monitoring strategy for this property.

Returns:

getMetaProperty

public abstract MetaProperty getMetaProperty()

Returns metadata for this property.

Returns:

metadata for this property.

getValue

public abstract Object getValue()

Returns value of this property.

Returns:

value of this property.

setValue

public abstract void setValue(Object value)
                       throws InvalidPropertyOperationException

Sets value of this property.

Parameters:

value - new value.

Throws:

InvalidPropertyOperationException - property is read-only.

addMonitor

public void addMonitor(AbstractPropertyMonitor monitor,
                       IPropertyMonitorRule rule)
                throws InvalidPropertyOperationException

Registers monitor for this property.

Parameters:

monitor - monitor to register.

rule - monitor rule.

Throws:

InvalidPropertyOperationException - property is not monitorable.

removeMonitor

public void removeMonitor(AbstractPropertyMonitor monitor)
                   throws InvalidPropertyOperationException

Unregisters monitor from this property.

Parameters:

monitor - monitor to unregister.

Throws:

InvalidPropertyOperationException - property is not monitorable.

notifyMonitors

public void notifyMonitors(Object newValue)

Notify monitors about property change. Monitors are notified even if the new value is the same as the old one.

Parameters:

newValue - new value of the property.

notifyMonitors

public void notifyMonitors(Object newValue,
                           boolean forceNotifying)

Notify monitors about property change.

Parameters:

newValue - new value of the property.

foceNotyfying - if this parameter is true, monitors are notified even if the new value is the same as the old one.

objectDeleted

public void objectDeleted(AbstractEvent event)

Informs the property that is has been deleted.

Parameters:

event -

getSimpleProperty

public SimpleProperty getSimpleProperty()

Provides simple version of this property that does not have any monitors and additional stuff. Suitable for serialization.

Returns:

instance of simple property

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()