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Posted to cvs@avalon.apache.org by mc...@apache.org on 2002/07/08 03:13:01 UTC
cvs commit: jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/merlin/kernel Selector.java
mcconnell 2002/07/07 18:13:01
Added: assembly/src/java/org/apache/excalibur/merlin/kernel
Selector.java
Log:
moved from registry package to container package
Revision Changes Path
1.1 jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/merlin/kernel/Selector.java
Index: Selector.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.excalibur.merlin.kernel;
import org.apache.excalibur.meta.data.Profile;
/**
* Interface implemented by a service selection implementation mechanism. Classes
* implementing the selector interface may be activated during the selection of
* candidate service providers in an autom assembly process. A selector my be
* declared via inclusion a implemetation class nameed <code><service-type>Selector</code>.
* Alternatively, a component author may declare a selection class explicitly via a
* service dependecy attribute with the attribute name of <code>avalon.service.selector</code>.
*
* @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
* @version $Revision: 1.1 $ $Date: 2002/07/08 01:13:01 $
*/
public interface Selector
{
/**
* Returns the preferred profile form an available selection of candidate provider profiles.
* @param facilities the set of profiles of potential service providers available in the
* container hierachy
* @param profiles the set of profiles of potential service providers contained with the
* local container
* @return the preferred provider or null if no satisfactory provider can be established
* from the supplied profiles.
*/
Profile select( Profile[] facilities, Profile[] profiles );
}
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