| /* |
| * 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.hugegraph.backend.store.mysql; |
| |
| import org.apache.hugegraph.backend.BackendException; |
| |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| |
| public class ResultSetWrapper implements AutoCloseable { |
| |
| private final ResultSet resultSet; |
| private final Statement statement; |
| |
| public ResultSetWrapper(ResultSet resultSet, Statement statement) { |
| this.resultSet = resultSet; |
| this.statement = statement; |
| } |
| |
| public boolean next() throws SQLException { |
| return !this.resultSet.isClosed() && this.resultSet.next(); |
| } |
| |
| public void close() { |
| try { |
| if (this.resultSet != null) { |
| this.resultSet.close(); |
| } |
| } catch (SQLException e) { |
| throw new BackendException("Failed to close ResultSet", e); |
| } finally { |
| try { |
| if (this.statement != null) { |
| this.statement.close(); |
| } |
| } catch (SQLException e) { |
| throw new BackendException("Failed to close Statement", e); |
| } |
| } |
| } |
| |
| public ResultSet resultSet() { |
| return resultSet; |
| } |
| } |