Package org.eclipse.emf.compare.rcp.internal.extension.impl

Class ItemRegistry<T>

java.lang.Object

org.eclipse.emf.compare.rcp.internal.extension.impl.ItemRegistry<T>

Type Parameters:

T - one of the item class

All Implemented Interfaces:

IItemRegistry<T>

public class ItemRegistry<T>
extends Object
implements IItemRegistry<T>

Registry holding IItemDescriptor.

Constructor Summary

Constructors

Constructor	Description
ItemRegistry()

Method Summary

Modifier and Type	Method	Description
IItemDescriptor<T>	add(IItemDescriptor<T> itemDescriptor)	Add an item descriptor to the registry.
void	clear()	Clear the registry.
IItemDescriptor<T>	getHighestRankingDescriptor()	Get the descriptor with the highest ranking in the registry.
IItemDescriptor<T>	getItemDescriptor(String qualifiedClassName)	Return the item descriptor.
List<IItemDescriptor<T>>	getItemDescriptors()	Get a list of all IItemDescriptor from the registry.
IItemDescriptor<T>	remove(String className)	Remove an IItemDescriptor using its key.
int	size()	Get the size of the registry.

Methods inherited from class java.lang.Object

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

Constructor Details

ItemRegistry

public ItemRegistry()

Method Details

getHighestRankingDescriptor

public IItemDescriptor<T> getHighestRankingDescriptor()

Get the descriptor with the highest ranking in the registry.

Specified by:

getHighestRankingDescriptor in interface IItemRegistry<T>

Returns:

IItemDescriptor or null if none

getItemDescriptors

public List<IItemDescriptor<T>> getItemDescriptors()

Get a list of all IItemDescriptor from the registry.

Specified by:

getItemDescriptors in interface IItemRegistry<T>

Returns:

List of IItemDescriptor

add

public IItemDescriptor<T> add(IItemDescriptor<T> itemDescriptor)

Add an item descriptor to the registry.

Specified by:

add in interface IItemRegistry<T>

Parameters:

itemDescriptor - The descriptor to add

Returns:

The previous IItemDescriptor if any.

remove

public IItemDescriptor<T> remove(String className)

Remove an IItemDescriptor using its key.

Specified by:

remove in interface IItemRegistry<T>

Parameters:

className - Unique identifier of the IItemDescriptor

Returns:

true if an IItemDescriptor has been removed

clear

public void clear()

Clear the registry.

Specified by:

clear in interface IItemRegistry<T>

size

public int size()

Get the size of the registry.

Specified by:

size in interface IItemRegistry<T>

Returns:

the size of the registry

getItemDescriptor

public IItemDescriptor<T> getItemDescriptor(String qualifiedClassName)

Return the item descriptor.

Specified by:

getItemDescriptor in interface IItemRegistry<T>

Parameters:

qualifiedClassName - Id of the descriptor.

Returns:

Engine descriptor