ResourceRegistry (Eclipse Platform API Specification)

java.lang.Object
- org.eclipse.core.commands.common.EventManager
- - org.eclipse.jface.resource.ResourceRegistry

Direct Known Subclasses:

ColorRegistry, FontRegistry
```
public abstract class ResourceRegistry
extends EventManager
```
Abstract base class for various JFace registries.

Since:

3.0

Constructor Summary

Constructors
Constructor Description

ResourceRegistry()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addListener(IPropertyChangeListener listener)`	Adds a property change listener to this registry.
`protected abstract void`	`clearCaches()`	Disposes all currently allocated resources.
`protected void`	`fireMappingChanged(String name, Object oldValue, Object newValue)`	Fires a `PropertyChangeEvent`.
`abstract Set<String>`	`getKeySet()`
`abstract boolean`	`hasValueFor(String key)`	Return whether or not the receiver has a value for the supplied key.
`void`	`removeListener(IPropertyChangeListener listener)`	Removes the given listener from this registry.

Methods inherited from class org.eclipse.core.commands.common.EventManager
addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ResourceRegistry
```
public ResourceRegistry()
```
- Method Detail
  - addListener
```
public void addListener(IPropertyChangeListener listener)
```
    Adds a property change listener to this registry.
    
    Parameters:
    
    listener - a property change listener
  - clearCaches
```
protected abstract void clearCaches()
```
    Disposes all currently allocated resources.
  - getKeySet
```
public abstract Set<String> getKeySet()
```
    Returns:
    
    the set of keys this manager knows about. This collection should be immutable.
  - hasValueFor
```
public abstract boolean hasValueFor(String key)
```
    Return whether or not the receiver has a value for the supplied key.
    
    Parameters:
    
    key - the key
    
    Returns:
    
    true if there is a value for this key
  - fireMappingChanged
```
protected void fireMappingChanged(String name,
                                  Object oldValue,
                                  Object newValue)
```
    Fires a PropertyChangeEvent.
    
    Parameters:
    
    name - the name of the symbolic value that is changing.
    
    oldValue - the old value.
    
    newValue - the new value.
  - removeListener
```
public void removeListener(IPropertyChangeListener listener)
```
    Removes the given listener from this registry. Has no effect if the listener is not registered.
    
    Parameters:
    
    listener - a property change listener