001/* 002 * Copyright (c) 2007-2016 Concurrent, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.tuple.io; 022 023import java.util.List; 024 025import cascading.tuple.Fields; 026import cascading.tuple.Tuple; 027import cascading.tuple.Tuples; 028import cascading.tuple.util.Resettable1; 029 030/** 031 * 032 */ 033public class ValueTuple extends Tuple implements Resettable1<Tuple> 034 { 035 /** A constant empty Tuple instance. This instance is immutable. */ 036 public static final ValueTuple NULL = Tuples.asUnmodifiable( new ValueTuple() ); 037 038 public ValueTuple( List<Object> elements ) 039 { 040 super( elements ); 041 } 042 043 public ValueTuple( Fields fields, List<Object> elements ) 044 { 045 super( fields, elements ); 046 } 047 048 public ValueTuple() 049 { 050 } 051 052 public ValueTuple( Tuple tuple ) 053 { 054 super( tuple ); 055 } 056 057 public ValueTuple( Object... values ) 058 { 059 super( values ); 060 } 061 062 @Override 063 public void reset( Tuple value ) 064 { 065 elements = Tuple.elements( value ); 066 } 067 }