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comparison dwtx/dwtxhelper/Collection.d @ 106:8ab6fb387666

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more Collection impl
author Frank Benoit <benoit@tionex.de>
date Thu, 07 Aug 2008 16:03:56 +0200
parents 04b47443bb01
children efda8ce1120b
comparison
equal deleted inserted replaced
105:2be5f40557e6 106:8ab6fb387666
1974 } 1974 }
1975 } 1975 }
1976 } 1976 }
1977 return EMPTY_LIST_; 1977 return EMPTY_LIST_;
1978 } 1978 }
1979 private static Map EMPTY_MAP_;
1979 public static Map EMPTY_MAP(){ 1980 public static Map EMPTY_MAP(){
1980 implMissing( __FILE__, __LINE__ ); 1981 if( EMPTY_MAP_ is null ){
1981 return null; 1982 synchronized(Collections.classinfo ){
1982 } 1983 if( EMPTY_MAP_ is null ){
1984 EMPTY_MAP_ = new TreeMap();
1985 }
1986 }
1987 }
1988 return EMPTY_MAP_;
1989 }
1990 private static Set EMPTY_SET_;
1983 public static Set EMPTY_SET(){ 1991 public static Set EMPTY_SET(){
1984 implMissing( __FILE__, __LINE__ ); 1992 if( EMPTY_SET_ is null ){
1985 return null; 1993 synchronized(Collections.classinfo ){
1994 if( EMPTY_SET_ is null ){
1995 EMPTY_SET_ = new TreeSet();
1996 }
1997 }
1998 }
1999 return EMPTY_SET_;
1986 } 2000 }
1987 2001
1988 public static List unmodifiableList( List list ){ 2002 public static List unmodifiableList( List list ){
1989 implMissing( __FILE__, __LINE__ ); 2003 implMissing( __FILE__, __LINE__ );
1990 return null; 2004 return null;
1996 public static Set unmodifiableSet( Set list ){ 2010 public static Set unmodifiableSet( Set list ){
1997 implMissing( __FILE__, __LINE__ ); 2011 implMissing( __FILE__, __LINE__ );
1998 return null; 2012 return null;
1999 } 2013 }
2000 public static Set singleton( Object o ){ 2014 public static Set singleton( Object o ){
2001 implMissing( __FILE__, __LINE__ ); 2015 TreeSet res = new TreeSet();
2002 return null; 2016 res.add(o);
2017 return res;
2003 } 2018 }
2004 public static void sort(List list){ 2019 public static void sort(List list){
2005 implMissing( __FILE__, __LINE__ ); 2020 implMissing( __FILE__, __LINE__ );
2006 } 2021 }
2007 public static void sort(List list, Comparator c){ 2022 public static void sort(List list, Comparator c){
2031 // static SortedSet synchronizedSortedSet(SortedSet s){ 2046 // static SortedSet synchronizedSortedSet(SortedSet s){
2032 // implMissing( __FILE__, __LINE__ ); 2047 // implMissing( __FILE__, __LINE__ );
2033 // return null; 2048 // return null;
2034 // } 2049 // }
2035 static void reverse(List list) { 2050 static void reverse(List list) {
2036 implMissing( __FILE__, __LINE__ ); 2051 Object[] data = list.toArray();
2052 for( int idx = 0; idx < data.length; idx++ ){
2053 list.set( data.length -1 -idx, data[idx] );
2054 }
2037 } 2055 }
2038 static Enumeration enumeration(Collection c){ 2056 static Enumeration enumeration(Collection c){
2039 implMissing( __FILE__, __LINE__ ); 2057 implMissing( __FILE__, __LINE__ );
2040 return null; 2058 return null;
2041 } 2059 }