/** * 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. */ /* * This source file is based on code taken from SQLLine 1.0.2 * See SQLLine notice in LICENSE */ package org.apache.hive.beeline; /** * Abstract OutputFormat. * */ abstract class AbstractOutputFormat implements OutputFormat { public int print(Rows rows) { int count = 0; Rows.Row header = (Rows.Row) rows.next(); printHeader(header); while (rows.hasNext()) { printRow(rows, header, (Rows.Row) rows.next()); count++; } printFooter(header); return count; } abstract void printHeader(Rows.Row header); abstract void printFooter(Rows.Row header); abstract void printRow(Rows rows, Rows.Row header, Rows.Row row); }