org.jvnet.hk2.component
Interface SimpleServiceLocator

All Known Implementing Classes:

Habitat

public interface SimpleServiceLocator

Provide a simple abstraction for getting services by contract or type.

Author:

Jerome Dochez, Jeff Trent

Method Summary

<T> T	getByType(java.lang.Class<T> implType) Gets the object of the given type.
<T> T	getByType(java.lang.String implType) Gets the object of the given type.
<T> T	getComponent(java.lang.Class<T> contract, java.lang.String name) Loads a component that implements the given contract and has the given name.
<T> T	getComponent(java.lang.String fullQualifiedName, java.lang.String name) Analogous to the following:

Method Detail

getComponent

<T> T getComponent(java.lang.Class<T> contract,
                   java.lang.String name)
               throws ComponentException

Loads a component that implements the given contract and has the given name.

Parameters:

name - can be null, in which case it'll only match to the unnamed component.

Returns:

null if no such service exists.

Throws:

ComponentException

getComponent

<T> T getComponent(java.lang.String fullQualifiedName,
                   java.lang.String name)

Analogous to the following:

 getComponent(contractClass.getName(), name);
 

Parameters:

fullQualifiedName - the contract class name

name - can be null, in which case it'll only match to the unnamed component.

Returns:

null if no such service exists.

getByType

<T> T getByType(java.lang.Class<T> implType)

Gets the object of the given type.

Returns:

null if not found.

getByType

<T> T getByType(java.lang.String implType)

Gets the object of the given type.

Returns:

null if not found.