/*
* #!
* Ontopia Engine
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* 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 net.ontopia.topicmaps.query.impl.rdbms;
import java.util.Map;
import net.ontopia.topicmaps.query.core.InvalidQueryException;
import net.ontopia.topicmaps.query.impl.basic.QueryMatches;
/**
* INTERNAL: Represents a tolog query component. A tolog query is
* sometimes split into smaller component that performs operations on
* an existing query matches (result sets).<p>
*
* The result of processing a component is another QueryMatches
* instance that can be used as the input of another query components,
* or be the result of the entire query.<p>
*/
public interface QueryComponentIF {
/**
* INTERNAL: Processes the specified QueryMatches instance and
* produces a new QueryMatches instance based on information in the
* input instance.
*/
public QueryMatches satisfy(QueryMatches matches, Map arguments)
throws InvalidQueryException;
}