usersstore.java

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/***********************************************************************
 * Copyright (c) 1999-2004 The Apache Software Foundation.             *
 * All rights reserved.                                                *
 * ------------------------------------------------------------------- *
 * Licensed under the Apache License, Version 2.0 (the "License"); you *
 * may not use this file except in compliance with the License. You    *
 * may obtain a copy of the License at:                                *
 *                                                                     *
 *     http://www.apache.org/licenses/LICENSE-2.0                      *
 *                                                                     *
 * Unless required by applicable law or agreed to in writing, software *
 * distributed under the License is distributed on an "AS IS" BASIS,   *
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or     *
 * implied.  See the License for the specific language governing       *
 * permissions and limitations under the License.                      *
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package org.apache.james.services;

import java.util.Iterator;

/**
 * Interface for Phoenix blocks to access a store of Users. A UserStore
 * contains one or more UserRepositories. Multiple UserRepositories may or may
 * not have overlapping membership. 
 *
 * @version 1.0.0, 24/04/1999
 */
public interface UsersStore 
{
    /**
     * The component role used by components implementing this service
     */
    String ROLE = "org.apache.james.services.UsersStore";

    /** 
     * Get the repository, if any, whose name corresponds to
     * the argument parameter
     *
     * @param name the name of the desired repository
     *
     * @return the UsersRepository corresponding to the name parameter
     */
    UsersRepository getRepository( String name );

    /** 
     * Yield an <code>Iterator</code> over the set of repository
     * names managed internally by this store.
     *
     * @return an Iterator over the set of repository names
     *         for this store
     */
    Iterator getRepositoryNames();
}