/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.component.internal;

/**
 * Represent the unique identifier of a Component (pair Role/Hint).
 *   
 * @version $Id$
 * @since 2.0M1
 */
public class RoleHint
{
    private Class< ? > role;
    
    private String hint;
    
    public RoleHint(Class< ? > role)
    {
        this(role, "default");
    }

    public RoleHint(Class< ? > role, String hint)
    {
        this.role = role;
        this.hint = hint;
    }
    
    public Class< ? > getRole()
    {
        return this.role;
    }
    
    public String getHint()
    {
        return this.hint;
    }

    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        
        if ((obj == null) || (obj.getClass() != this.getClass())) {
            return false;
        }
        
        RoleHint rolehint = (RoleHint) obj;
        return (getRole() == rolehint.getRole() 
                || (getRole() != null && getRole().getName().equals(rolehint.getRole().getName()))) 
            && (getHint() == rolehint.getHint() 
                || (getHint() != null && getHint().equals(rolehint.getHint())));
    }

    @Override
    public int hashCode()
    {
        int hash = 8;
        hash = 31 * hash + (null == getRole() ? 0 : getRole().getName().hashCode());
        hash = 31 * hash + (null == getHint() ? 0 : getHint().hashCode());
        return hash;
    }

    @Override
    public String toString()
    {
        return "role = [" + getRole().getName() + "] hint = [" + getHint() + "]";
    }
}

@@ -1195,17 +1195,12 @@
 le, 
-%22default%22
+null
 );%0A 
@@ -1309,24 +1309,102 @@
 int = hint;%0A
+        if (this.hint == null) %7B%0A            this.hint = %22default%22;%0A        %7D%0A
     %7D%0A    %0A 

Implement an Embedded Container Manager