Package com.pnfsoftware.jeb.core.properties.impl

Class PropertyChangeObject

java.lang.Object

com.pnfsoftware.jeb.core.properties.impl.PropertyChangeObject

public class PropertyChangeObject
extends Object

Record property changes without applying them, nor notifying listeners, until a call to commit() is made.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PropertyChangeObject.Entry	Recorded property change entry.

Constructor Summary

Constructors

Constructor	Description
PropertyChangeObject()	Create an empty change set.

Method Summary

Modifier and Type	Method	Description
PropertyChangeObject.Entry	add(IPropertyManager pm, String fqname, Object value, IPropertyDefinition pd)	Record a property change for a property manager.
void	commit()	Commit all recorded changes and notify listeners.
void	commit(boolean notify)	Commit all recorded changes.
Object	get(String fqname)	Get the currently recorded value for a fully-qualified property name.
boolean	has(String fqname)	Determine whether a change for a fully-qualified property name is already recorded.
boolean	isEmpty()	Determine whether no property change has been recorded.
int	size()	Get the number of recorded property changes.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

PropertyChangeObject

public PropertyChangeObject()

Create an empty change set.

Method Details

size

public int size()

Get the number of recorded property changes.

Returns:

the number of tracked entries

isEmpty

public boolean isEmpty()

Determine whether no property change has been recorded.

Returns:

true if the change set is empty

has

public boolean has(String fqname)

Determine whether a change for a fully-qualified property name is already recorded.

Parameters:

fqname - fully-qualified property name

Returns:

true if a change exists for that property

get

public Object get(String fqname)

Get the currently recorded value for a fully-qualified property name.

Parameters:

fqname - fully-qualified property name

Returns:

the recorded value, or null if none exists

add

public PropertyChangeObject.Entry add(IPropertyManager pm,
 String fqname,
 Object value,
 IPropertyDefinition pd)

Record a property change for a property manager.

Parameters:

pm - property manager owning the change

fqname - fully-qualified property name

value - value to be stored, or null to clear the property

pd - property definition associated with the change

Returns:

the recorded entry

commit

public void commit()

Commit all recorded changes and notify listeners.

commit

public void commit(boolean notify)

Commit all recorded changes.

Parameters:

notify - ignored in the current implementation; listeners are always notified

toString

public String toString()

Overrides:

toString in class Object