UniqueList
Kind of class: | public class |
---|---|
Package: | |
Inherits from: | |
Version: | 04/27/08 |
Author: | Aaron Clinger |
Classpath: | org.casalib.collection.UniqueList |
File last modified: | Friday, 20 May 2011, 00:59:44 |
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /* CASA Lib for ActionScript 3.0 Copyright (c) 2011, Aaron Clinger & Contributors of CASA Lib All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of the CASA Lib nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.casalib.collection { import org.casalib.collection.List; import org.casalib.util.ArrayUtil; /** An ordered or sequence collection that contains no duplicates. Similar to Java's Set but contains all the methods of List. @author Aaron Clinger @version 04/27/08 @see List */ public class UniqueList extends List { /** Creates a new UniqueList; @param collection: An Array of items to populate the contents of this list; UniqueList will only accept the unique elements of the Array. */ public function UniqueList(collection: Array = null ) { super ((collection == null ) ? null : ArrayUtil.removeDuplicates(collection)); } /** {@inheritDoc} @param item: {@inheritDoc} @return Returns <code>true</code> if the element was unique and added; otherwise <code>false</code>. */ override public function addItem(item:*): Boolean { if ( this .contains(item)) return false ; this ._collection.push(item); return true ; } /** {@inheritDoc} @param item: {@inheritDoc} @param index: {@inheritDoc} @return Returns <code>true</code> if the element was unique and added; otherwise <code>false</code>. */ override public function addItemAt(item:*, index: int ): Boolean { if ( this .contains(item)) return false ; this ._collection.splice(index, 0 , item); return true ; } /** Modifies original list by adding all the elements from another list that aren't already present. @param items: {@inheritDoc} @return Returns <code>true</code> if any elements of the specified list were unique and added; otherwise <code>false</code>. */ override public function addItems(items:IList): Boolean { var uniqueItems: Array = items.toArray(); ArrayUtil.removeItems(uniqueItems, this .toArray()); if (uniqueItems.length == 0 ) return false ; this ._collection = this ._collection.concat(uniqueItems); return true ; } /** Modifies original list by adding all the elements from another list, that aren't already present, at a specified position. @param items: {@inheritDoc} @param index: {@inheritDoc} @return Returns <code>true</code> if any elements of the specified list were unique and added; otherwise <code>false</code>. */ override public function addItemsAt(items:IList, index: int = 0x7fffffff ): Boolean { var uniqueItems: Array = items.toArray(); ArrayUtil.removeItems(uniqueItems, this .toArray()); if (uniqueItems.length == 0 ) return false ; return ArrayUtil.addItemsAt( this ._collection, uniqueItems, index); } /** {@inheritDoc} @param item: {@inheritDoc} @param index: {@inheritDoc} @return {@inheritDoc} @throws <code>Error</code> if you try to set an item that is already contained in the list. */ override public function setItem(item:*, index: int ):* { if ( this .contains(item)) throw new Error( 'List already contains specified item (' + item + ').' ); return this ._collection.splice(index, 1 , item)[ 0 ]; } /** {@inheritDoc} @param startIndex: {@inheritDoc} @param endIndex: {@inheritDoc} @return {@inheritDoc} */ override public function subList(startIndex: int = 0 , endIndex: int = 16777215 ):IList { return new UniqueList( this ._collection.slice(startIndex, endIndex)); } /** {@inheritDoc} @return {@inheritDoc} */ override public function clone():IList { return new UniqueList( this .toArray()); } } } |
An ordered or sequence collection that contains no duplicates. Similar to Java's Set but contains all the methods of List.
See also
Summary
Constructor
-
UniqueList
(collection:Array = null)
- Creates a new UniqueList;
Instance methods
-
addItem
(item = *) : Boolean
-
addItemAt
(item = *, index:int) : Boolean
-
addItems
(items:IList) : Boolean
- Modifies original list by adding all the elements from another list that aren't already present.
-
addItemsAt
(items:IList, index:int = 0x7fffffff) : Boolean
- Modifies original list by adding all the elements from another list, that aren't already present, at a specified position.
-
setItem
(item = *, index:int) : *
-
subList
(startIndex:int, endIndex:int = 16777215) : IList
-
clone
() : IList
Instance methods inherited from List
Constructor
UniqueList
function UniqueList(collection:Array = null)
Creates a new UniqueList;
Parameters
collection:An Array of items to populate the contents of this list; UniqueList will only accept the unique elements of the Array.
Instance methods
addItem
override function addItem(item = *) : Boolean
Appends the specified item to the end of this list. →
Overrides
Returns
-
Returns
true
if the element was unique and added; otherwisefalse
.
addItemAt
override function addItemAt(item = *,
index:int) : Boolean
Inserts an item as a specified position. →
Overrides
Returns
-
Returns
true
if the element was unique and added; otherwisefalse
.
addItems
override function addItems(items:IList) : Boolean
Modifies original list by adding all the elements from another list that aren't already present.
Overrides
Returns
-
Returns
true
if any elements of the specified list were unique and added; otherwisefalse
.
addItemsAt
override function addItemsAt(items:IList,
index:int = 0x7fffffff) : Boolean
Modifies original list by adding all the elements from another list, that aren't already present, at a specified position.
Overrides
Returns
-
Returns
true
if any elements of the specified list were unique and added; otherwisefalse
.
clone
override function clone() : IList
Returns a list that is an exact copy of the original list. →
Overrides
Returns
-
Returns a list that is an exact copy of the original list. →