/*
    *  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. 
   *  
   */
  package org.apache.directory.api.ldap.model.schema.registries;
  
  
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.directory.api.i18n.I18n;
  import org.apache.directory.api.ldap.model.exception.LdapException;
  import org.apache.directory.api.ldap.model.exception.LdapUnwillingToPerformException;
  import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
  import org.apache.directory.api.ldap.model.schema.ObjectClass;
  import org.apache.directory.api.ldap.model.schema.SchemaObjectType;
  
  
  /**
   * An immutable wrapper of the ObjectClass registry.
   *
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class ImmutableObjectClassRegistry implements ObjectClassRegistry, Cloneable
  {
      /** The wrapped ObjectClass registry */
      private ObjectClassRegistry immutableObjectClassRegistry;
  
  
      /**
       * Creates a new instance of ImmutableAttributeTypeRegistry.
       *
       * @param ocRegistry The wrapped Attrib uteType registry
       */
      public ImmutableObjectClassRegistry( ObjectClassRegistry ocRegistry )
      {
          immutableObjectClassRegistry = ocRegistry;
      }
  
  
      /**
       * {@inheritDoc}
       */
      public boolean hasDescendants( String ancestorId ) throws LdapException
      {
          return immutableObjectClassRegistry.hasDescendants( ancestorId );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public Iterator<ObjectClass> descendants( String ancestorId ) throws LdapException
      {
          return immutableObjectClassRegistry.descendants( ancestorId );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public void registerDescendants( ObjectClass objectClass, List<ObjectClass> ancestors ) throws LdapException
      {
          throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public void unregisterDescendants( ObjectClass attributeType, List<ObjectClass> ancestors ) throws LdapException
      {
          throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
      }
  
  
      /**
       * {@inheritDoc}
       */
      public void register( ObjectClass objectClass ) throws LdapException
      {
          throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
      }
  
 
     /**
      * {@inheritDoc}
      */
     public ObjectClass unregister( String numericOid ) throws LdapException
     {
         throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
     }
 
 
     /**
      * Clone the ObjectClassRegistry
      */
     public ImmutableObjectClassRegistry copy()
     {
         return ( ImmutableObjectClassRegistry ) immutableObjectClassRegistry.copy();
     }
 
 
     /**
      * {@inheritDoc}
      */
     public int size()
     {
         return immutableObjectClassRegistry.size();
     }
 
 
     /**
      * {@inheritDoc}
      */
     public boolean contains( String oid )
     {
         return immutableObjectClassRegistry.contains( oid );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public String getOidByName( String name ) throws LdapException
     {
         return immutableObjectClassRegistry.getOidByName( name );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public String getSchemaName( String oid ) throws LdapException
     {
         return immutableObjectClassRegistry.getSchemaName( oid );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public SchemaObjectType getType()
     {
         return immutableObjectClassRegistry.getType();
     }
 
 
     /**
      * {@inheritDoc}
      */
     public Iterator<ObjectClass> iterator()
     {
         return immutableObjectClassRegistry.iterator();
     }
 
 
     /**
      * {@inheritDoc}
      */
     public ObjectClass lookup( String oid ) throws LdapException
     {
         return immutableObjectClassRegistry.lookup( oid );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public Iterator<String> oidsIterator()
     {
         return immutableObjectClassRegistry.oidsIterator();
     }
 
 
     /**
      * {@inheritDoc}
      */
     public void renameSchema( String originalSchemaName, String newSchemaName ) throws LdapException
     {
         throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public void unregisterSchemaElements( String schemaName ) throws LdapException
     {
         throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public ObjectClass get( String oid )
     {
         return immutableObjectClassRegistry.get( oid );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public void clear() throws LdapException
     {
         throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
     }
 
 
     /**
      * {@inheritDoc}
      */
     public ObjectClass unregister( ObjectClass schemaObject ) throws LdapException
     {
         throw new LdapUnwillingToPerformException( ResultCodeEnum.NO_SUCH_OPERATION, I18n.err( I18n.ERR_04284 ) );
     }
 }