9d72a46399d9bd9b54cb602f00301f5e8aa349cb
[scilab.git] / scilab / modules / external_objects_java / help / ja_JP / jexists.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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15 <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">
16     <refnamediv>
17         <refname>jexists</refname>
18         <refpurpose>
19             Scilab Java オブジェクトがJava側で有効かどうか確認する
20         </refpurpose>
21     </refnamediv>
22     <refsynopsisdiv>
23         <title>呼び出し手順</title>
24         <synopsis>
25             bool = jexists(obj)
26         </synopsis>
27     </refsynopsisdiv>
28     <refsection>
29         <title>パラメータ</title>
30         <variablelist>
31             <varlistentry>
32                 <term>obj</term>
33                 <listitem>
34                     <para>_JObj または _JClass型のmlist</para>
35                 </listitem>
36             </varlistentry>
37             <varlistentry>
38                 <term>bool</term>
39                 <listitem>
40                     <para>論理値</para>
41                 </listitem>
42             </varlistentry>
43         </variablelist>
44     </refsection>
45     <refsection>
46         <title>説明</title>
47         <para>
48             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.
49             オブジェクトはjremoveで無効化できます.
50         </para>
51     </refsection>
52     <refsection>
53         <title>例</title>
54         <programlisting role="example"><![CDATA[
55                jimport java.lang.Double;
56                d = Double.new("1.23456");
57                jexists(d)
58                jremove d;
59                jexists(d) // 失敗します
60       ]]></programlisting>
61     </refsection>
62     <refsection role="see also">
63         <title>参照</title>
64         <simplelist type="inline">
65             <member>
66                 <link linkend="jremove">jremove</link>
67             </member>
68         </simplelist>
69     </refsection>
70     <refsection>
71         <title>履歴</title>
72         <revhistory>
73             <revision>
74                 <revnumber>5.5.0</revnumber>
75                 <revremark>
76                     関数が導入されました. 'JIMS'モジュールに基づきます.
77                     JIMSモジュールとの動作上の主な違いは,
78                     <link linkend="jautoUnwrap">jautoUnwrap</link>がデフォルトで
79                     有効になっていることです.
80                 </revremark>
81             </revision>
82         </revhistory>
83     </refsection>
84 </refentry>