core-api/src/main/java/org/apache/directory/server/core/partition/PartitionNexus.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.directory.server.core.partition;


import java.util.Set;

import org.apache.directory.server.core.interceptor.context.CompareOperationContext;
import org.apache.directory.server.core.interceptor.context.GetRootDSEOperationContext;
import org.apache.directory.shared.ldap.model.entry.Entry;
import org.apache.directory.shared.ldap.model.exception.LdapException;
import org.apache.directory.shared.ldap.model.name.Dn;
import org.apache.directory.shared.util.Strings;


/**
 * A root {@link Partition} that contains all other partitions, and
 * routes all operations to the child partition that matches to its base suffixes.
 * It also provides some extended operations such as accessing rootDSE and
 * listing base suffixes.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public interface PartitionNexus extends Partition
{

    /** the admin super user uid */
    public static final String ADMIN_UID = "admin";
    
    /** the initial admin passwd set on startup */
    public static final String ADMIN_PASSWORD_STRING = "secret";
    
    public static final byte[] ADMIN_PASSWORD_BYTES = Strings.getBytesUtf8(ADMIN_PASSWORD_STRING);


    /**
     * Get's the RootDSE entry for the DSA.
     *
     * @return the attributes of the RootDSE
     */
    public Entry getRootDSE( GetRootDSEOperationContext getRootDSEContext );


    /**
     * Add a partition to the server.
     * 
     * @param Partition The Partition to add
     * @throws Exception If the addition can't be done
     */
    public void addContextPartition( Partition partition ) throws LdapException;


    /**
     * Remove a partition from the server.
     * 
     * @param partitionDn the partition Dn
     * @throws Exception If the removal can't be done
     */
    public void removeContextPartition( Dn partitionDn )
        throws LdapException;


    /**
     * @return The ou=system partition 
     */
    public Partition getSystemPartition();


    /**
     * Get's the partition corresponding to a distinguished name.  This 
     * name need not be the name of the partition suffix.  When used in 
     * conjunction with get suffix this can properly find the partition 
     * associated with the Dn.  Make sure to use the normalized Dn.
     * 
     * @param dn the normalized distinguished name to get a partition for
     * @return the partition containing the entry represented by the dn
     * @throws Exception if there is no partition for the dn
     */
    public Partition getPartition( Dn dn ) throws LdapException;


    /**
     * Finds the distinguished name of the suffix that would hold an entry with
     * the supplied distinguished name parameter.  If the Dn argument does not
     * fall under a partition suffix then the empty string Dn is returned.
     *
     * @param The Dn we want to find the suffix from
     * @return the suffix portion of dn, or the valid empty string Dn if no
     * naming context was found for dn.
     */
    public Dn findSuffix( Dn dn ) throws LdapException;


    /**
     * Gets an iteration over the Name suffixes of the partitions managed by this
     * {@link DefaultPartitionNexus}.
     *
     * @return Iteration over ContextPartition suffix names as Names.
     * @throws Exception if there are any problems
     */
    public Set<String> listSuffixes() throws LdapException;


    /**
     * Adds a set of supportedExtension (OID Strings) to the RootDSE.
     * 
     * @param extensionOids a set of OID strings to add to the supportedExtension 
     * attribute in the RootDSE
     */
    public void registerSupportedExtensions( Set<String> extensionOids ) throws LdapException;


    /**
     * Adds a set of supportedSaslMechanisms (OID Strings) to the RootDSE.
     * 
     * @param extensionOids a set of OID strings to add to the supportedSaslMechanisms 
     * attribute in the RootDSE
     */
    public void registerSupportedSaslMechanisms( Set<String> supportedSaslMechanisms ) throws LdapException;


    public boolean compare( CompareOperationContext compareContext ) throws LdapException;
}