| 1 |
2 |
ZTEX |
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
| 2 |
|
|
<!-- NewPage -->
|
| 3 |
|
|
<html lang="de">
|
| 4 |
|
|
<head>
|
| 5 |
|
|
<!-- Generated by javadoc (version 1.7.0_79) on Wed Mar 22 19:20:13 CET 2017 -->
|
| 6 |
|
|
<title>ZtexContext</title>
|
| 7 |
|
|
<meta name="date" content="2017-03-22">
|
| 8 |
|
|
<link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
|
| 9 |
|
|
</head>
|
| 10 |
|
|
<body>
|
| 11 |
|
|
<script type="text/javascript"><!--
|
| 12 |
|
|
if (location.href.indexOf('is-external=true') == -1) {
|
| 13 |
|
|
parent.document.title="ZtexContext";
|
| 14 |
|
|
}
|
| 15 |
|
|
//-->
|
| 16 |
|
|
</script>
|
| 17 |
|
|
<noscript>
|
| 18 |
|
|
<div>JavaScript is disabled on your browser.</div>
|
| 19 |
|
|
</noscript>
|
| 20 |
|
|
<!-- ========= START OF TOP NAVBAR ======= -->
|
| 21 |
|
|
<div class="topNav"><a name="navbar_top">
|
| 22 |
|
|
<!-- -->
|
| 23 |
|
|
</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
|
| 24 |
|
|
<!-- -->
|
| 25 |
|
|
</a>
|
| 26 |
|
|
<ul class="navList" title="Navigation">
|
| 27 |
|
|
<li><a href="../ztex/package-summary.html">Package</a></li>
|
| 28 |
|
|
<li class="navBarCell1Rev">Class</li>
|
| 29 |
|
|
<li><a href="package-tree.html">Tree</a></li>
|
| 30 |
|
|
<li><a href="../deprecated-list.html">Deprecated</a></li>
|
| 31 |
|
|
<li><a href="../index-all.html">Index</a></li>
|
| 32 |
|
|
<li><a href="../help-doc.html">Help</a></li>
|
| 33 |
|
|
</ul>
|
| 34 |
|
|
</div>
|
| 35 |
|
|
<div class="subNav">
|
| 36 |
|
|
<ul class="navList">
|
| 37 |
|
|
<li><a href="../ztex/Ztex1v1.html" title="class in ztex"><span class="strong">Prev Class</span></a></li>
|
| 38 |
|
|
<li><a href="../ztex/ZtexDevice1.html" title="class in ztex"><span class="strong">Next Class</span></a></li>
|
| 39 |
|
|
</ul>
|
| 40 |
|
|
<ul class="navList">
|
| 41 |
|
|
<li><a href="../index.html?ztex/ZtexContext.html" target="_top">Frames</a></li>
|
| 42 |
|
|
<li><a href="ZtexContext.html" target="_top">No Frames</a></li>
|
| 43 |
|
|
</ul>
|
| 44 |
|
|
<ul class="navList" id="allclasses_navbar_top">
|
| 45 |
|
|
<li><a href="../allclasses-noframe.html">All Classes</a></li>
|
| 46 |
|
|
</ul>
|
| 47 |
|
|
<div>
|
| 48 |
|
|
<script type="text/javascript"><!--
|
| 49 |
|
|
allClassesLink = document.getElementById("allclasses_navbar_top");
|
| 50 |
|
|
if(window==top) {
|
| 51 |
|
|
allClassesLink.style.display = "block";
|
| 52 |
|
|
}
|
| 53 |
|
|
else {
|
| 54 |
|
|
allClassesLink.style.display = "none";
|
| 55 |
|
|
}
|
| 56 |
|
|
//-->
|
| 57 |
|
|
</script>
|
| 58 |
|
|
</div>
|
| 59 |
|
|
<div>
|
| 60 |
|
|
<ul class="subNavList">
|
| 61 |
|
|
<li>Summary: </li>
|
| 62 |
|
|
<li>Nested | </li>
|
| 63 |
|
|
<li>Field | </li>
|
| 64 |
|
|
<li><a href="#constructor_summary">Constr</a> | </li>
|
| 65 |
|
|
<li><a href="#method_summary">Method</a></li>
|
| 66 |
|
|
</ul>
|
| 67 |
|
|
<ul class="subNavList">
|
| 68 |
|
|
<li>Detail: </li>
|
| 69 |
|
|
<li>Field | </li>
|
| 70 |
|
|
<li><a href="#constructor_detail">Constr</a> | </li>
|
| 71 |
|
|
<li><a href="#method_detail">Method</a></li>
|
| 72 |
|
|
</ul>
|
| 73 |
|
|
</div>
|
| 74 |
|
|
<a name="skip-navbar_top">
|
| 75 |
|
|
<!-- -->
|
| 76 |
|
|
</a></div>
|
| 77 |
|
|
<!-- ========= END OF TOP NAVBAR ========= -->
|
| 78 |
|
|
<!-- ======== START OF CLASS DATA ======== -->
|
| 79 |
|
|
<div class="header">
|
| 80 |
|
|
<div class="subTitle">ztex</div>
|
| 81 |
|
|
<h2 title="Class ZtexContext" class="title">Class ZtexContext</h2>
|
| 82 |
|
|
</div>
|
| 83 |
|
|
<div class="contentContainer">
|
| 84 |
|
|
<ul class="inheritance">
|
| 85 |
|
|
<li>java.lang.Object</li>
|
| 86 |
|
|
<li>
|
| 87 |
|
|
<ul class="inheritance">
|
| 88 |
|
|
<li>ztex.ZtexContext</li>
|
| 89 |
|
|
</ul>
|
| 90 |
|
|
</li>
|
| 91 |
|
|
</ul>
|
| 92 |
|
|
<div class="description">
|
| 93 |
|
|
<ul class="blockList">
|
| 94 |
|
|
<li class="blockList">
|
| 95 |
|
|
<hr>
|
| 96 |
|
|
<br>
|
| 97 |
|
|
<pre>public class <span class="strong">ZtexContext</span>
|
| 98 |
|
|
extends java.lang.Object</pre>
|
| 99 |
|
|
<div class="block">This class manages an USB context.
|
| 100 |
|
|
Because libusb_get_device_list does not return an up to date device list at least on some implementations
|
| 101 |
|
|
a new context must be created every time the bus is (re)discovered, i.e. every time re-numeration occurs.
|
| 102 |
|
|
This class creates a new USB context, initializes it and deinitializes it as soon it is not used anymore.
|
| 103 |
|
|
Used is tracked using a reference counter. Reference counter of a new instance is 1.</div>
|
| 104 |
|
|
</li>
|
| 105 |
|
|
</ul>
|
| 106 |
|
|
</div>
|
| 107 |
|
|
<div class="summary">
|
| 108 |
|
|
<ul class="blockList">
|
| 109 |
|
|
<li class="blockList">
|
| 110 |
|
|
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
|
| 111 |
|
|
<ul class="blockList">
|
| 112 |
|
|
<li class="blockList"><a name="constructor_summary">
|
| 113 |
|
|
<!-- -->
|
| 114 |
|
|
</a>
|
| 115 |
|
|
<h3>Constructor Summary</h3>
|
| 116 |
|
|
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
|
| 117 |
|
|
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
|
| 118 |
|
|
<tr>
|
| 119 |
|
|
<th class="colOne" scope="col">Constructor and Description</th>
|
| 120 |
|
|
</tr>
|
| 121 |
|
|
<tr class="altColor">
|
| 122 |
|
|
<td class="colOne"><code><strong><a href="../ztex/ZtexContext.html#ZtexContext()">ZtexContext</a></strong>()</code>
|
| 123 |
|
|
<div class="block">Constructs an new USB context and initializes it.</div>
|
| 124 |
|
|
</td>
|
| 125 |
|
|
</tr>
|
| 126 |
|
|
</table>
|
| 127 |
|
|
</li>
|
| 128 |
|
|
</ul>
|
| 129 |
|
|
<!-- ========== METHOD SUMMARY =========== -->
|
| 130 |
|
|
<ul class="blockList">
|
| 131 |
|
|
<li class="blockList"><a name="method_summary">
|
| 132 |
|
|
<!-- -->
|
| 133 |
|
|
</a>
|
| 134 |
|
|
<h3>Method Summary</h3>
|
| 135 |
|
|
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
|
| 136 |
|
|
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
|
| 137 |
|
|
<tr>
|
| 138 |
|
|
<th class="colFirst" scope="col">Modifier and Type</th>
|
| 139 |
|
|
<th class="colLast" scope="col">Method and Description</th>
|
| 140 |
|
|
</tr>
|
| 141 |
|
|
<tr class="altColor">
|
| 142 |
|
|
<td class="colFirst"><code>org.usb4java.Context</code></td>
|
| 143 |
|
|
<td class="colLast"><code><strong><a href="../ztex/ZtexContext.html#context()">context</a></strong>()</code>
|
| 144 |
|
|
<div class="block">Returns the USB context.</div>
|
| 145 |
|
|
</td>
|
| 146 |
|
|
</tr>
|
| 147 |
|
|
<tr class="rowColor">
|
| 148 |
|
|
<td class="colFirst"><code>protected void</code></td>
|
| 149 |
|
|
<td class="colLast"><code><strong><a href="../ztex/ZtexContext.html#finalize()">finalize</a></strong>()</code>
|
| 150 |
|
|
<div class="block">Releases all resources.</div>
|
| 151 |
|
|
</td>
|
| 152 |
|
|
</tr>
|
| 153 |
|
|
<tr class="altColor">
|
| 154 |
|
|
<td class="colFirst"><code><a href="../ztex/ZtexContext.html" title="class in ztex">ZtexContext</a></code></td>
|
| 155 |
|
|
<td class="colLast"><code><strong><a href="../ztex/ZtexContext.html#ref()">ref</a></strong>()</code>
|
| 156 |
|
|
<div class="block">Increases the reference count.</div>
|
| 157 |
|
|
</td>
|
| 158 |
|
|
</tr>
|
| 159 |
|
|
<tr class="rowColor">
|
| 160 |
|
|
<td class="colFirst"><code>void</code></td>
|
| 161 |
|
|
<td class="colLast"><code><strong><a href="../ztex/ZtexContext.html#unref()">unref</a></strong>()</code>
|
| 162 |
|
|
<div class="block">Decreases the reference count and deinitializes the context if reference counter reaches 0.</div>
|
| 163 |
|
|
</td>
|
| 164 |
|
|
</tr>
|
| 165 |
|
|
</table>
|
| 166 |
|
|
<ul class="blockList">
|
| 167 |
|
|
<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
|
| 168 |
|
|
<!-- -->
|
| 169 |
|
|
</a>
|
| 170 |
|
|
<h3>Methods inherited from class java.lang.Object</h3>
|
| 171 |
|
|
<code>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
|
| 172 |
|
|
</ul>
|
| 173 |
|
|
</li>
|
| 174 |
|
|
</ul>
|
| 175 |
|
|
</li>
|
| 176 |
|
|
</ul>
|
| 177 |
|
|
</div>
|
| 178 |
|
|
<div class="details">
|
| 179 |
|
|
<ul class="blockList">
|
| 180 |
|
|
<li class="blockList">
|
| 181 |
|
|
<!-- ========= CONSTRUCTOR DETAIL ======== -->
|
| 182 |
|
|
<ul class="blockList">
|
| 183 |
|
|
<li class="blockList"><a name="constructor_detail">
|
| 184 |
|
|
<!-- -->
|
| 185 |
|
|
</a>
|
| 186 |
|
|
<h3>Constructor Detail</h3>
|
| 187 |
|
|
<a name="ZtexContext()">
|
| 188 |
|
|
<!-- -->
|
| 189 |
|
|
</a>
|
| 190 |
|
|
<ul class="blockListLast">
|
| 191 |
|
|
<li class="blockList">
|
| 192 |
|
|
<h4>ZtexContext</h4>
|
| 193 |
|
|
<pre>public ZtexContext()
|
| 194 |
|
|
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
|
| 195 |
|
|
<div class="block">Constructs an new USB context and initializes it.</div>
|
| 196 |
|
|
<dl><dt><span class="strong">Throws:</span></dt>
|
| 197 |
|
|
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
|
| 198 |
|
|
</li>
|
| 199 |
|
|
</ul>
|
| 200 |
|
|
</li>
|
| 201 |
|
|
</ul>
|
| 202 |
|
|
<!-- ============ METHOD DETAIL ========== -->
|
| 203 |
|
|
<ul class="blockList">
|
| 204 |
|
|
<li class="blockList"><a name="method_detail">
|
| 205 |
|
|
<!-- -->
|
| 206 |
|
|
</a>
|
| 207 |
|
|
<h3>Method Detail</h3>
|
| 208 |
|
|
<a name="context()">
|
| 209 |
|
|
<!-- -->
|
| 210 |
|
|
</a>
|
| 211 |
|
|
<ul class="blockList">
|
| 212 |
|
|
<li class="blockList">
|
| 213 |
|
|
<h4>context</h4>
|
| 214 |
|
|
<pre>public final org.usb4java.Context context()</pre>
|
| 215 |
|
|
<div class="block">Returns the USB context.</div>
|
| 216 |
|
|
<dl><dt><span class="strong">Returns:</span></dt><dd>the USB context.</dd></dl>
|
| 217 |
|
|
</li>
|
| 218 |
|
|
</ul>
|
| 219 |
|
|
<a name="ref()">
|
| 220 |
|
|
<!-- -->
|
| 221 |
|
|
</a>
|
| 222 |
|
|
<ul class="blockList">
|
| 223 |
|
|
<li class="blockList">
|
| 224 |
|
|
<h4>ref</h4>
|
| 225 |
|
|
<pre>public <a href="../ztex/ZtexContext.html" title="class in ztex">ZtexContext</a> ref()
|
| 226 |
|
|
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
|
| 227 |
|
|
<div class="block">Increases the reference count.</div>
|
| 228 |
|
|
<dl><dt><span class="strong">Returns:</span></dt><dd>the USB context.</dd>
|
| 229 |
|
|
<dt><span class="strong">Throws:</span></dt>
|
| 230 |
|
|
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
|
| 231 |
|
|
</li>
|
| 232 |
|
|
</ul>
|
| 233 |
|
|
<a name="unref()">
|
| 234 |
|
|
<!-- -->
|
| 235 |
|
|
</a>
|
| 236 |
|
|
<ul class="blockList">
|
| 237 |
|
|
<li class="blockList">
|
| 238 |
|
|
<h4>unref</h4>
|
| 239 |
|
|
<pre>public void unref()</pre>
|
| 240 |
|
|
<div class="block">Decreases the reference count and deinitializes the context if reference counter reaches 0.</div>
|
| 241 |
|
|
</li>
|
| 242 |
|
|
</ul>
|
| 243 |
|
|
<a name="finalize()">
|
| 244 |
|
|
<!-- -->
|
| 245 |
|
|
</a>
|
| 246 |
|
|
<ul class="blockListLast">
|
| 247 |
|
|
<li class="blockList">
|
| 248 |
|
|
<h4>finalize</h4>
|
| 249 |
|
|
<pre>protected void finalize()
|
| 250 |
|
|
throws java.lang.Throwable</pre>
|
| 251 |
|
|
<div class="block">Releases all resources.</div>
|
| 252 |
|
|
<dl>
|
| 253 |
|
|
<dt><strong>Overrides:</strong></dt>
|
| 254 |
|
|
<dd><code>finalize</code> in class <code>java.lang.Object</code></dd>
|
| 255 |
|
|
<dt><span class="strong">Throws:</span></dt>
|
| 256 |
|
|
<dd><code>java.lang.Throwable</code></dd></dl>
|
| 257 |
|
|
</li>
|
| 258 |
|
|
</ul>
|
| 259 |
|
|
</li>
|
| 260 |
|
|
</ul>
|
| 261 |
|
|
</li>
|
| 262 |
|
|
</ul>
|
| 263 |
|
|
</div>
|
| 264 |
|
|
</div>
|
| 265 |
|
|
<!-- ========= END OF CLASS DATA ========= -->
|
| 266 |
|
|
<!-- ======= START OF BOTTOM NAVBAR ====== -->
|
| 267 |
|
|
<div class="bottomNav"><a name="navbar_bottom">
|
| 268 |
|
|
<!-- -->
|
| 269 |
|
|
</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
|
| 270 |
|
|
<!-- -->
|
| 271 |
|
|
</a>
|
| 272 |
|
|
<ul class="navList" title="Navigation">
|
| 273 |
|
|
<li><a href="../ztex/package-summary.html">Package</a></li>
|
| 274 |
|
|
<li class="navBarCell1Rev">Class</li>
|
| 275 |
|
|
<li><a href="package-tree.html">Tree</a></li>
|
| 276 |
|
|
<li><a href="../deprecated-list.html">Deprecated</a></li>
|
| 277 |
|
|
<li><a href="../index-all.html">Index</a></li>
|
| 278 |
|
|
<li><a href="../help-doc.html">Help</a></li>
|
| 279 |
|
|
</ul>
|
| 280 |
|
|
</div>
|
| 281 |
|
|
<div class="subNav">
|
| 282 |
|
|
<ul class="navList">
|
| 283 |
|
|
<li><a href="../ztex/Ztex1v1.html" title="class in ztex"><span class="strong">Prev Class</span></a></li>
|
| 284 |
|
|
<li><a href="../ztex/ZtexDevice1.html" title="class in ztex"><span class="strong">Next Class</span></a></li>
|
| 285 |
|
|
</ul>
|
| 286 |
|
|
<ul class="navList">
|
| 287 |
|
|
<li><a href="../index.html?ztex/ZtexContext.html" target="_top">Frames</a></li>
|
| 288 |
|
|
<li><a href="ZtexContext.html" target="_top">No Frames</a></li>
|
| 289 |
|
|
</ul>
|
| 290 |
|
|
<ul class="navList" id="allclasses_navbar_bottom">
|
| 291 |
|
|
<li><a href="../allclasses-noframe.html">All Classes</a></li>
|
| 292 |
|
|
</ul>
|
| 293 |
|
|
<div>
|
| 294 |
|
|
<script type="text/javascript"><!--
|
| 295 |
|
|
allClassesLink = document.getElementById("allclasses_navbar_bottom");
|
| 296 |
|
|
if(window==top) {
|
| 297 |
|
|
allClassesLink.style.display = "block";
|
| 298 |
|
|
}
|
| 299 |
|
|
else {
|
| 300 |
|
|
allClassesLink.style.display = "none";
|
| 301 |
|
|
}
|
| 302 |
|
|
//-->
|
| 303 |
|
|
</script>
|
| 304 |
|
|
</div>
|
| 305 |
|
|
<div>
|
| 306 |
|
|
<ul class="subNavList">
|
| 307 |
|
|
<li>Summary: </li>
|
| 308 |
|
|
<li>Nested | </li>
|
| 309 |
|
|
<li>Field | </li>
|
| 310 |
|
|
<li><a href="#constructor_summary">Constr</a> | </li>
|
| 311 |
|
|
<li><a href="#method_summary">Method</a></li>
|
| 312 |
|
|
</ul>
|
| 313 |
|
|
<ul class="subNavList">
|
| 314 |
|
|
<li>Detail: </li>
|
| 315 |
|
|
<li>Field | </li>
|
| 316 |
|
|
<li><a href="#constructor_detail">Constr</a> | </li>
|
| 317 |
|
|
<li><a href="#method_detail">Method</a></li>
|
| 318 |
|
|
</ul>
|
| 319 |
|
|
</div>
|
| 320 |
|
|
<a name="skip-navbar_bottom">
|
| 321 |
|
|
<!-- -->
|
| 322 |
|
|
</a></div>
|
| 323 |
|
|
<!-- ======== END OF BOTTOM NAVBAR ======= -->
|
| 324 |
|
|
</body>
|
| 325 |
|
|
</html>
|
