| /** |
| * 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.hadoop.tools.rumen; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Iterator; |
| |
| class LogRecordType { |
| static Map<String, LogRecordType> internees = new HashMap<String, LogRecordType>(); |
| |
| final String name; |
| |
| final int index; |
| |
| private LogRecordType(String name) { |
| super(); |
| |
| this.name = name; |
| |
| index = internees.size(); |
| } |
| |
| static LogRecordType intern(String typeName) { |
| LogRecordType result = internees.get(typeName); |
| |
| if (result == null) { |
| result = new LogRecordType(typeName); |
| |
| internees.put(typeName, result); |
| } |
| |
| return result; |
| } |
| |
| static LogRecordType internSoft(String typeName) { |
| return internees.get(typeName); |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| |
| static String[] lineTypes() { |
| Iterator<Map.Entry<String, LogRecordType>> iter = internees.entrySet() |
| .iterator(); |
| |
| String[] result = new String[internees.size()]; |
| |
| for (int i = 0; i < internees.size(); ++i) { |
| result[i] = iter.next().getKey(); |
| } |
| |
| return result; |
| } |
| } |