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

Interface IItemRegistry<T>

Type Parameters:

T - An Item.

All Known Implementing Classes:

ItemRegistry

public interface IItemRegistry<T>

Item registry.

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 id)	Return the item descriptor.
List<IItemDescriptor<T>>	getItemDescriptors()	Get a list of all IItemDescriptor from the registry.
IItemDescriptor<T>	remove(String id)	Remove an IItemDescriptor using its key.
int	size()	Get the size of the registry.

Method Details

getItemDescriptors

List<IItemDescriptor<T>> getItemDescriptors()

Get a list of all IItemDescriptor from the registry.

Returns:

List of IItemDescriptor

getHighestRankingDescriptor

IItemDescriptor<T> getHighestRankingDescriptor()

Get the descriptor with the highest ranking in the registry.

Returns:

IItemDescriptor or null if none

getItemDescriptor

IItemDescriptor<T> getItemDescriptor(String id)

Return the item descriptor.

Parameters:

id - Id of the descriptor.

Returns:

Engine descriptor

add

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

Add an item descriptor to the registry.

Parameters:

itemDescriptor - The descriptor to add

Returns:

The previous IItemDescriptor if any.

remove

IItemDescriptor<T> remove(String id)

Remove an IItemDescriptor using its key.

Parameters:

id - Unique identifier of the IItemDescriptor

Returns:

true if an IItemDescriptor has been removed

clear

void clear()

Clear the registry.

size

int size()

Get the size of the registry.

Returns:

the size of the registry