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<title>CtMember (Javassist API)</title>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">javassist</a></div>
<h2 title="Class CtMember" class="title">Class CtMember</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>javassist.CtMember</li>
</ul>
</li>
</ul>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="CtBehavior.html" title="class in javassist">CtBehavior</a></code>, <code><a href="CtField.html" title="class in javassist">CtField</a></code></dd>
</dl>
<hr>
<pre>public abstract class <span class="typeNameLabel">CtMember</span>
extends java.lang.Object</pre>
<div class="block">An instance of <code>CtMember</code> represents a field, a constructor,
or a method.</div>
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<!-- ========== METHOD SUMMARY =========== -->
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<h3>Method Summary</h3>
<table class="memberSummary">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>abstract java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAnnotation(java.lang.Class)">getAnnotation</a></span>​(java.lang.Class<?> annotationType)</code></th>
<td class="colLast">
<div class="block">Returns the annotation if the class has the specified annotation type.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>abstract java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAnnotations()">getAnnotations</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the annotations associated with this member.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>abstract byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAttribute(java.lang.String)">getAttribute</a></span>​(java.lang.String name)</code></th>
<td class="colLast">
<div class="block">Obtains a user-defined attribute with the given name.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>abstract java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAvailableAnnotations()">getAvailableAnnotations</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the annotations associated with this member.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="CtClass.html" title="class in javassist">CtClass</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDeclaringClass()">getDeclaringClass</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the class that declares this member.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>abstract java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGenericSignature()">getGenericSignature</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the generic signature of the member.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>abstract int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getModifiers()">getModifiers</a></span>()</code></th>
<td class="colLast">
<div class="block">Obtains the modifiers of the member.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>abstract java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getName()">getName</a></span>()</code></th>
<td class="colLast">
<div class="block">Obtains the name of the member.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>abstract java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSignature()">getSignature</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the character string representing the signature of the member.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasAnnotation(java.lang.Class)">hasAnnotation</a></span>​(java.lang.Class<?> clz)</code></th>
<td class="colLast">
<div class="block">Returns true if the class has the specified annotation type.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>abstract boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasAnnotation(java.lang.String)">hasAnnotation</a></span>​(java.lang.String annotationTypeName)</code></th>
<td class="colLast">
<div class="block">Returns true if the class has the specified annotation type.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setAttribute(java.lang.String,byte%5B%5D)">setAttribute</a></span>​(java.lang.String name,
byte[] data)</code></th>
<td class="colLast">
<div class="block">Adds a user-defined attribute.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setGenericSignature(java.lang.String)">setGenericSignature</a></span>​(java.lang.String sig)</code></th>
<td class="colLast">
<div class="block">Sets the generic signature of the member.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setModifiers(int)">setModifiers</a></span>​(int mod)</code></th>
<td class="colLast">
<div class="block">Sets the encoded modifiers of the member.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
<td class="colLast"> </td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visibleFrom(javassist.CtClass)">visibleFrom</a></span>​(<a href="CtClass.html" title="class in javassist">CtClass</a> clazz)</code></th>
<td class="colLast">
<div class="block">Returns true if this member is accessible from the given class.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a id="methods.inherited.from.class.java.lang.Object">
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</a>
<h3>Methods inherited from class java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</section>
</li>
</ul>
</div>
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<!-- ============ METHOD DETAIL ========== -->
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<h3>Method Detail</h3>
<a id="toString()">
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<ul class="blockList">
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<h4>toString</h4>
<pre class="methodSignature">public java.lang.String toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>toString</code> in class <code>java.lang.Object</code></dd>
</dl>
</li>
</ul>
<a id="getDeclaringClass()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>getDeclaringClass</h4>
<pre class="methodSignature">public <a href="CtClass.html" title="class in javassist">CtClass</a> getDeclaringClass()</pre>
<div class="block">Returns the class that declares this member.</div>
</li>
</ul>
<a id="visibleFrom(javassist.CtClass)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>visibleFrom</h4>
<pre class="methodSignature">public boolean visibleFrom​(<a href="CtClass.html" title="class in javassist">CtClass</a> clazz)</pre>
<div class="block">Returns true if this member is accessible from the given class.</div>
</li>
</ul>
<a id="getModifiers()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>getModifiers</h4>
<pre class="methodSignature">public abstract int getModifiers()</pre>
<div class="block">Obtains the modifiers of the member.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>modifiers encoded with
<code>javassist.Modifier</code>.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="Modifier.html" title="class in javassist"><code>Modifier</code></a></dd>
</dl>
</li>
</ul>
<a id="setModifiers(int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>setModifiers</h4>
<pre class="methodSignature">public abstract void setModifiers​(int mod)</pre>
<div class="block">Sets the encoded modifiers of the member.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="Modifier.html" title="class in javassist"><code>Modifier</code></a></dd>
</dl>
</li>
</ul>
<a id="hasAnnotation(java.lang.Class)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>hasAnnotation</h4>
<pre class="methodSignature">public boolean hasAnnotation​(java.lang.Class<?> clz)</pre>
<div class="block">Returns true if the class has the specified annotation type.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>clz</code> - the annotation type.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the annotation is found, otherwise <code>false</code>.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.11</dd>
</dl>
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</ul>
<a id="hasAnnotation(java.lang.String)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>hasAnnotation</h4>
<pre class="methodSignature">public abstract boolean hasAnnotation​(java.lang.String annotationTypeName)</pre>
<div class="block">Returns true if the class has the specified annotation type.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>annotationTypeName</code> - the name of annotation type.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the annotation is found, otherwise <code>false</code>.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.21</dd>
</dl>
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</ul>
<a id="getAnnotation(java.lang.Class)">
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</a>
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<h4>getAnnotation</h4>
<pre class="methodSignature">public abstract java.lang.Object getAnnotation​(java.lang.Class<?> annotationType)
throws java.lang.ClassNotFoundException</pre>
<div class="block">Returns the annotation if the class has the specified annotation type.
For example, if an annotation <code>@Author</code> is associated
with this member, an <code>Author</code> object is returned.
The member values can be obtained by calling methods on
the <code>Author</code> object.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>annotationType</code> - the annotation type.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the annotation if found, otherwise <code>null</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.ClassNotFoundException</code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.11</dd>
</dl>
</li>
</ul>
<a id="getAnnotations()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>getAnnotations</h4>
<pre class="methodSignature">public abstract java.lang.Object[] getAnnotations()
throws java.lang.ClassNotFoundException</pre>
<div class="block">Returns the annotations associated with this member.
For example, if an annotation <code>@Author</code> is associated
with this member, the returned array contains an <code>Author</code>
object. The member values can be obtained by calling methods on
the <code>Author</code> object.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an array of annotation-type objects.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.ClassNotFoundException</code></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="CtClass.html#getAnnotations()"><code>CtClass.getAnnotations()</code></a></dd>
</dl>
</li>
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<a id="getAvailableAnnotations()">
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<h4>getAvailableAnnotations</h4>
<pre class="methodSignature">public abstract java.lang.Object[] getAvailableAnnotations()</pre>
<div class="block">Returns the annotations associated with this member.
This method is equivalent to <code>getAnnotations()</code>
except that, if any annotations are not on the classpath,
they are not included in the returned array.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an array of annotation-type objects.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.3</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#getAnnotations()"><code>getAnnotations()</code></a>,
<a href="CtClass.html#getAvailableAnnotations()"><code>CtClass.getAvailableAnnotations()</code></a></dd>
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<h4>getName</h4>
<pre class="methodSignature">public abstract java.lang.String getName()</pre>
<div class="block">Obtains the name of the member.
<p>As for constructor names, see <code>getName()</code>
in <code>CtConstructor</code>.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="CtConstructor.html#getName()"><code>CtConstructor.getName()</code></a></dd>
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<h4>getSignature</h4>
<pre class="methodSignature">public abstract java.lang.String getSignature()</pre>
<div class="block">Returns the character string representing the signature of the member.
If two members have the same signature (parameter types etc.),
<code>getSignature()</code> returns the same string.</div>
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<h4>getGenericSignature</h4>
<pre class="methodSignature">public abstract java.lang.String getGenericSignature()</pre>
<div class="block">Returns the generic signature of the member.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.17</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="bytecode/SignatureAttribute.html#toFieldSignature(java.lang.String)"><code>SignatureAttribute.toFieldSignature(String)</code></a>,
<a href="bytecode/SignatureAttribute.html#toMethodSignature(java.lang.String)"><code>SignatureAttribute.toMethodSignature(String)</code></a>,
<a href="CtClass.html#getGenericSignature()"><code>CtClass.getGenericSignature()</code></a></dd>
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<h4>setGenericSignature</h4>
<pre class="methodSignature">public abstract void setGenericSignature​(java.lang.String sig)</pre>
<div class="block">Sets the generic signature of the member.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sig</code> - a new generic signature.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.17</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="bytecode/SignatureAttribute.ObjectType.html#encode()"><code>SignatureAttribute.ObjectType.encode()</code></a>,
<a href="bytecode/SignatureAttribute.MethodSignature.html#encode()"><code>SignatureAttribute.MethodSignature.encode()</code></a>,
<a href="CtClass.html#setGenericSignature(java.lang.String)"><code>CtClass.setGenericSignature(String)</code></a></dd>
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<h4>getAttribute</h4>
<pre class="methodSignature">public abstract byte[] getAttribute​(java.lang.String name)</pre>
<div class="block">Obtains a user-defined attribute with the given name.
If that attribute is not found in the class file, this
method returns null.
<p>Note that an attribute is a data block specified by
the class file format.
See <a href="bytecode/AttributeInfo.html" title="class in javassist.bytecode"><code>AttributeInfo</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - attribute name</dd>
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<h4>setAttribute</h4>
<pre class="methodSignature">public abstract void setAttribute​(java.lang.String name,
byte[] data)</pre>
<div class="block">Adds a user-defined attribute. The attribute is saved in the class file.
<p>Note that an attribute is a data block specified by
the class file format.
See <a href="bytecode/AttributeInfo.html" title="class in javassist.bytecode"><code>AttributeInfo</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - attribute name</dd>
<dd><code>data</code> - attribute value</dd>
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