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comparison tango/tango/util/collection/impl/BagCollection.d @ 132:1700239cab2e trunk

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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /*
2 File: BagCollection.d
3
4 Originally written by Doug Lea and released into the public domain.
5 Thanks for the assistance and support of Sun Microsystems Labs, Agorics
6 Inc, Loral, and everyone contributing, testing, and using this code.
7
8 History:
9 Date Who What
10 13Oct95 dl Create
11 22Oct95 dl add addElements
12 28jan97 dl make class public
13 */
14
15
16 module tango.util.collection.impl.BagCollection;
17
18 private import tango.util.collection.model.Bag,
19 tango.util.collection.model.Iterator;
20
21 private import tango.util.collection.impl.Collection;
22
23 /**
24 *
25 * MutableBagImpl extends MutableImpl to provide
26 * default implementations of some Bag operations.
27 *
28 author: Doug Lea
29 * @version 0.93
30 *
31 * <P> For an introduction to this package see <A HREF="index.html"> Overview </A>.
32 *
33 **/
34
35 public abstract class BagCollection(V) : Collection!(V), Bag!(V)
36 {
37 alias Bag!(V).add add;
38 alias Collection!(V).remove remove;
39 alias Collection!(V).removeAll removeAll;
40
41
42 /**
43 * Initialize at version 0, an empty count, and null screener
44 **/
45
46 protected this ()
47 {
48 super();
49 }
50
51 /**
52 * Initialize at version 0, an empty count, and supplied screener
53 **/
54 protected this (Predicate screener)
55 {
56 super(screener);
57 }
58
59 /**
60 * Implements tango.util.collection.MutableBag.addElements
61 * See_Also: tango.util.collection.MutableBag.addElements
62 **/
63
64 public final void add(Iterator!(V) e)
65 {
66 foreach (value; e)
67 add (value);
68 }
69
70
71 // Default implementations of Bag methods
72
73 version (VERBOSE)
74 {
75 /**
76 * Implements tango.util.collection.Bag.addingIfAbsent
77 * See_Also: tango.util.collection.Bag.addingIfAbsent
78 **/
79 public final Bag addingIf(V element)
80 {
81 Bag c = duplicate();
82 c.addIf(element);
83 return c;
84 }
85
86
87 /**
88 * Implements tango.util.collection.Bag.adding
89 * See_Also: tango.util.collection.Bag.adding
90 **/
91
92 public final Bag adding(V element)
93 {
94 Bag c = duplicate();
95 c.add(element);
96 return c;
97 }
98 } // version
99
100
101 /***********************************************************************
102
103 Implements tango.util.collection.impl.Collection.Collection.removeAll
104 See_Also: tango.util.collection.impl.Collection.Collection.removeAll
105
106 Has to be here rather than in the superclass to satisfy
107 D interface idioms
108
109 ************************************************************************/
110
111 public void removeAll (Iterator!(V) e)
112 {
113 while (e.more)
114 removeAll (e.get);
115 }
116
117 /***********************************************************************
118
119 Implements tango.util.collection.impl.Collection.Collection.removeElements
120 See_Also: tango.util.collection.impl.Collection.Collection.removeElements
121
122 Has to be here rather than in the superclass to satisfy
123 D interface idioms
124
125 ************************************************************************/
126
127 public void remove (Iterator!(V) e)
128 {
129 while (e.more)
130 remove (e.get);
131 }
132 }
133