be0079c727394b49dcc56ac8224ca4772e530103
[scilab.git] / scilab / modules / external_objects_java / help / ja_JP / jexists.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2
3 <!--
4 *
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6 * Copyright (C) 2010 - 2011 - Calixte DENIZET <calixte@contrib.scilab.org>
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9 * This source file is licensed as described in the file COPYING, which
10 * you should have received as part of this distribution.  The terms
11 * are also available at
12 * http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
13 *
14 *
15 -->
16
17 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:lang="ja" xml:id="jexists">
18     
19     <refnamediv>
20         
21         <refname>jexists</refname>
22         
23         <refpurpose>
24             
25             Scilab Java オブジェクトがJava側で有効かどうか確認する
26             
27         </refpurpose>
28         
29     </refnamediv>
30     
31     <refsynopsisdiv>
32         
33         <title>呼び出し手順</title>
34         
35         <synopsis>
36             
37             bool = jexists(obj)
38             
39         </synopsis>
40         
41     </refsynopsisdiv>
42     
43     <refsection>
44         
45         <title>パラメータ</title>
46         
47         <variablelist>
48             
49             <varlistentry>
50                 
51                 <term>obj</term>
52                 
53                 <listitem>
54                     
55                     <para>_JObj または _JClass型のmlist</para>
56                     
57                 </listitem>
58                 
59             </varlistentry>
60             
61             <varlistentry>
62                 
63                 <term>bool</term>
64                 
65                 <listitem>
66                     
67                     <para>論理値</para>
68                     
69                 </listitem>
70                 
71             </varlistentry>
72             
73         </variablelist>
74         
75     </refsection>
76     
77     <refsection>
78         
79         <title>説明</title>
80         
81         <para>
82             
83             対応するJavaオブジェクトが常に有効な場合にtrueを返します.
84             
85             オブジェクトはjremoveで無効化できます.
86             
87         </para>
88         
89     </refsection>
90     
91     <refsection>
92         
93         <title>例</title>
94         
95         <programlisting role="example"><![CDATA[
96                jimport java.lang.Double;
97                d = Double.new("1.23456");
98                jexists(d)
99                jremove d;
100                jexists(d) // 失敗します
101       ]]></programlisting>
102         
103     </refsection>
104     
105     <refsection role="see also">
106         
107         <title>参照</title>
108         
109         <simplelist type="inline">
110             
111             <member>
112                 
113                 <link linkend="jremove">jremove</link>
114                 
115             </member>
116             
117         </simplelist>
118         
119     </refsection>
120     
121     <refsection>
122         
123         <title>履歴</title>
124         
125         <revhistory>
126             
127             <revision>
128                 
129                 <revnumber>5.5.0</revnumber>
130                 
131                 <revremark>
132                     
133                     関数が導入されました. 'JIMS'モジュールに基づきます.
134                     
135                     JIMSモジュールとの動作上の主な違いは,
136                     
137                     <link linkend="jautoUnwrap">jautoUnwrap</link>がデフォルトで
138                     
139                     有効になっていることです.
140                     
141                 </revremark>
142                 
143             </revision>
144             
145         </revhistory>
146         
147     </refsection>
148     
149 </refentry>
150
151
152