SlotCompiler2.java example

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/*
 * 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.sdb.layout2;

import org.apache.jena.sdb.compiler.QuadBlock ;
import org.apache.jena.sdb.compiler.SlotCompiler ;
import org.apache.jena.sdb.core.SDBRequest ;
import org.apache.jena.sdb.core.sqlnode.SqlNode ;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public abstract class SlotCompiler2 extends SlotCompiler
{
    private static Logger log = LoggerFactory.getLogger(SlotCompiler2.class) ;

    public SlotCompiler2(SDBRequest request)
    { super(request) ; }

    // Default choices
    
    @Override
    public SqlNode start(QuadBlock quads)
    { return null ; }

    @Override
    public SqlNode finish(SqlNode sqlNode, QuadBlock quads)
    { return sqlNode ; }
}