/*
* 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.jena.arq.querybuilder.handlers;
import java.util.Map;
import org.apache.jena.graph.Node ;
import org.apache.jena.sparql.core.Var ;
/**
* The base interface for handlers.
*
*/
public interface Handler {
/**
* Set the values for variables managed by the handler implementation.
* This method is called by the builder to set values handled by this Handler implementation.
* @param values The map of variable to node value.
*/
public void setVars(Map<Var, Node> values);
/**
* Called by the build process for this handler to perform any adjustments to the query before
* the build completes. The adjustments are made after setVars() has been called.
*/
public void build();
}