/* * 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.store; import org.apache.jena.sdb.core.sqlnode.SqlNode ; import org.apache.jena.sdb.sql.ResultSetJDBC ; import org.apache.jena.sparql.engine.ExecutionContext ; import org.apache.jena.sparql.engine.QueryIterator ; import org.apache.jena.sparql.engine.binding.Binding ; /** Convert from whatever results a particular layout returns into * an ARQ QueryIterator of Bindings. An SQLBridge object * is allocated for each SQL query execution. */ public interface SQLBridge { /** Actually build the bridge */ public void build() ; /** Get the (possibly altered) SqlNode */ public SqlNode getSqlNode() ; /** Process a JDBC result set */ public QueryIterator assembleResults(ResultSetJDBC jdbcResultSet, Binding binding, ExecutionContext execCtl) ; }