org.openstreetmap.josm.data.preferences

Class CachedProperty<T>

java.lang.Object

org.openstreetmap.josm.data.preferences.AbstractProperty<T>

org.openstreetmap.josm.data.preferences.CachedProperty<T>

All Implemented Interfaces:

Preferences.PreferenceChangedListener

Direct Known Subclasses:

Marker.TemplateEntryProperty

public abstract class CachedProperty<T>
extends AbstractProperty<T>
implements Preferences.PreferenceChangedListener

Field Summary

Fields

Modifier and Type	Field and Description
private String	defaultValueAsString
private int	updateCount
private T	value

Fields inherited from class org.openstreetmap.josm.data.preferences.AbstractProperty

defaultValue, key

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CachedProperty(String key, String defaultValueAsString)

Method Summary

Modifier and Type	Method and Description
protected abstract T	fromString(String s)
T	get() Replies the value of this property.
String	getAsString()
T	getDefaultValue() Replies the default value of this property.
String	getDefaultValueAsString()
int	getUpdateCount()
void	preferenceChanged(Preferences.PreferenceChangeEvent e)
void	put(String value)
boolean	put(T value) Sets this property to the specified value.
protected void	updateValue()

Methods inherited from class org.openstreetmap.josm.data.preferences.AbstractProperty

getKey, isSet, remove

Methods inherited from class java.lang.Object

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

Field Detail

defaultValueAsString

private final String defaultValueAsString

value

private T value

updateCount

private int updateCount

Constructor Detail

CachedProperty

protected CachedProperty(String key,
                         String defaultValueAsString)

Method Detail

updateValue

protected void updateValue()

fromString

protected abstract T fromString(String s)

get

public T get()

Description copied from class: AbstractProperty

Replies the value of this property.

Specified by:

get in class AbstractProperty<T>

Returns:

the value of this property

put

public void put(String value)

put

public final boolean put(T value)

Description copied from class: AbstractProperty

Sets this property to the specified value.

Specified by:

put in class AbstractProperty<T>

Parameters:

value - The new value of this property

Returns:

true if something has changed (i.e. value is different than before)

getUpdateCount

public int getUpdateCount()

getDefaultValue

public T getDefaultValue()

Description copied from class: AbstractProperty

Replies the default value of this property.

Overrides:

getDefaultValue in class AbstractProperty<T>

Returns:

The default value of this property

getDefaultValueAsString

public String getDefaultValueAsString()

getAsString

public String getAsString()

preferenceChanged

public void preferenceChanged(Preferences.PreferenceChangeEvent e)

Specified by:

preferenceChanged in interface Preferences.PreferenceChangedListener