| /* |
| * 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.syntax; |
| |
| import java.util.ArrayList ; |
| import java.util.Iterator ; |
| import java.util.List ; |
| |
| import org.apache.jena.sparql.ARQException ; |
| import org.apache.jena.sparql.algebra.Table ; |
| import org.apache.jena.sparql.algebra.table.TableData ; |
| import org.apache.jena.sparql.core.Var ; |
| import org.apache.jena.sparql.engine.binding.Binding ; |
| import org.apache.jena.sparql.resultset.ResultSetCompare ; |
| import org.apache.jena.sparql.util.NodeIsomorphismMap ; |
| import org.apache.jena.sparql.util.NodeUtils ; |
| |
| public class ElementData extends Element |
| { |
| private List<Var> vars = new ArrayList<>() ; |
| private List<Binding> rows = new ArrayList<>() ; |
| |
| public ElementData() |
| { |
| } |
| |
| public Table getTable() |
| { |
| return new TableData(vars, rows) ; |
| } |
| |
| public List<Var> getVars() { return vars ; } |
| public List<Binding> getRows() { return rows ; } |
| |
| public void add(Var var) |
| { |
| if ( ! vars.contains(var) ) |
| vars.add(var) ; |
| } |
| |
| public void add(Binding binding) |
| { |
| Iterator<Var> iter = binding.vars() ; |
| while(iter.hasNext()) |
| { |
| Var v = iter.next() ; |
| if ( ! vars.contains(v) ) |
| throw new ARQException("Variable "+v+" not already declared for ElementData") ; |
| } |
| rows.add(binding) ; |
| } |
| |
| @Override |
| public boolean equalTo(Element el2, NodeIsomorphismMap isoMap) |
| { |
| if ( ! ( el2 instanceof ElementData ) ) |
| return false ; |
| ElementData f2 = (ElementData)el2 ; |
| if ( ! vars.equals(f2.vars) ) |
| return false ; |
| if ( ! ResultSetCompare.equalsByTest(rows, f2.rows, new ResultSetCompare.BNodeIso(NodeUtils.sameNode)) ) |
| return false ; |
| return true ; |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return vars.hashCode()^rows.hashCode() ; |
| } |
| |
| @Override |
| public void visit(ElementVisitor v) |
| { |
| v.visit(this) ; |
| } |
| } |