/* | |
* Copyright 2004 The Apache Software Foundation | |
* | |
* 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. | |
* | |
*/ | |
package org.apache.ldap.server.schema; | |
import java.util.Comparator; | |
import javax.naming.NamingException; | |
/** | |
* Comparator registry component's service interface. | |
* | |
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> | |
* @version $Rev$ | |
*/ | |
public interface ComparatorRegistry | |
{ | |
/** | |
* Gets the name of the schema this schema object is associated with. | |
* | |
* @param oid the object identifier | |
* @return the schema name | |
* @throws NamingException if the schema object does not exist | |
*/ | |
String getSchemaName( String oid ) throws NamingException; | |
/** | |
* Registers a Comparator with this registry. | |
* | |
* @param schema the name of the schema the comparator is associated with | |
* @param oid the object identifier | |
* @param comparator the Comparator to register | |
* @throws NamingException if the Comparator is already registered or the | |
* registration operation is not supported | |
*/ | |
void register( String schema, String oid, Comparator comparator ) throws NamingException; | |
/** | |
* Looks up a Comparator by its unique Object Identifier. | |
* | |
* @param oid the object identifier | |
* @return the Comparator for the oid | |
* @throws NamingException if there is a backing store failure or the | |
* Comparator does not exist. | |
*/ | |
Comparator lookup( String oid ) throws NamingException; | |
/** | |
* Checks to see if a Comparator exists. Backing store failures simply | |
* return false. | |
* | |
* @param oid the object identifier | |
* @return true if a Comparator definition exists for the oid, false | |
* otherwise | |
*/ | |
boolean hasComparator( String oid ); | |
} |