/*
* 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.slf4j.Logger;
//import org.slf4j.LoggerFactory;
import org.apache.jena.sdb.compiler.QuadBlockCompilerMain ;
import org.apache.jena.sdb.compiler.SlotCompiler ;
import org.apache.jena.sdb.core.SDBRequest ;
// Only here to think about addRestrictions later.
public class QuadBlockCompiler2 extends QuadBlockCompilerMain
{
//private static Logger log = LoggerFactory.getLogger(QuadBlockCompiler2.class) ;
public QuadBlockCompiler2(SDBRequest request, SlotCompiler slotCompiler)
{
super(request, slotCompiler) ;
}
// Maybe needed, later, for value-based testing
// private SqlNode addRestrictions(SDBRequest request,
// SqlNode sqlNode,
// List<SDBConstraint> constraints)
// {
// if ( constraints.size() == 0 )
// return sqlNode ;
//
// // Add all value columns
// for ( SDBConstraint c : constraints )
// {
// @SuppressWarnings("unchecked")
// Set<Var> vars = c.getExpr().getVarsMentioned() ;
// for ( Var v : vars )
// {
// // For Variables used in this SQL constraint, make sure the value is available.
// ScopeEntry e = sqlNode.getIdScope().findScopeForVar(v) ; // tripleTableCol
//
// if ( e == null )
// {
// // Not in scope.
// log.info("Var not in scope for value of expression: "+v) ;
// continue ;
// }
// SqlColumn tripleTableCol = e.getColumn() ;
//
// // Value table column
// SqlTable nTable = new SqlTable(nodeTableDesc.getTableName(), genNodeResultAlias.next()) ;
// SqlColumn colId = new SqlColumn(nTable, nodeTableDesc.getIdColName()) ;
// SqlColumn colLex = new SqlColumn(nTable, nodeTableDesc.getLexColName()) ;
//// SqlColumn colType = new SqlColumn(nTable, nodeTableDesc.getTypeColName()) ;
//
// nTable.setValueColumnForVar(v, colLex) ; // ASSUME lexical/string form needed
// nTable.setIdColumnForVar(v, colId) ; // Id scope => join
// sqlNode = QC.innerJoin(request, sqlNode, nTable) ;
// }
//
// SqlExpr sqlExpr = c.compile(sqlNode.getNodeScope()) ;
// sqlNode = SqlRestrict.restrict(sqlNode, sqlExpr) ;
// }
// return sqlNode ;
// }
}