/*
* 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.sparql.engine;
import org.apache.jena.atlas.lib.Closeable ;
import org.apache.jena.sparql.algebra.Op ;
import org.apache.jena.sparql.util.PrintSerializable ;
public interface Plan extends PrintSerializable, Closeable
{
// General markers, especially structural elements
public static final String startMarker = "(" ;
public static final String finishMarker = ")" ;
// Used for small things.
public static final String startMarker2 = "(" ;
public static final String finishMarker2 = ")" ;
public Op getOp() ;
public QueryIterator iterator() ;
}