standardmbean.html

j2ee api,很好的api。我这现在有

<HR>

<A NAME="getDescription(javax.management.MBeanOperationInfo)"><!-- --></A><H3>
getDescription</H3>
<PRE>
protected <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getDescription</B>(<A HREF="../../javax/management/MBeanOperationInfo.html" title="class in javax.management">MBeanOperationInfo</A>&nbsp;info)</PRE>
<DL>
<DD>Customization hook:
 Get the description that will be used in the MBeanOperationInfo 
 returned by this MBean.
 <br>
 Subclasses may redefine this method in order to supply their
 custom description.  The default implementation returns
 <A HREF="../../javax/management/StandardMBean.html#getDescription(javax.management.MBeanFeatureInfo)"><CODE>getDescription((MBeanFeatureInfo) info)</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>info</CODE> - The default MBeanOperationInfo derived by reflection.
<DT><B>Returns:</B><DD>the description for the given MBeanOperationInfo.</DL>
</DD>
</DL>
<HR>

<A NAME="getImpact(javax.management.MBeanOperationInfo)"><!-- --></A><H3>
getImpact</H3>
<PRE>
protected int <B>getImpact</B>(<A HREF="../../javax/management/MBeanOperationInfo.html" title="class in javax.management">MBeanOperationInfo</A>&nbsp;info)</PRE>
<DL>
<DD>Customization hook:
 Get the <var>impact</var> flag of the operation that will be used in 
 the MBeanOperationInfo returned by this MBean.
 <br>
 Subclasses may redefine this method in order to supply their
 custom impact flag.  The default implementation returns
 <A HREF="../../javax/management/MBeanOperationInfo.html#getImpact()"><CODE>info.getImpact()</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>info</CODE> - The default MBeanOperationInfo derived by reflection.
<DT><B>Returns:</B><DD>the impact flag for the given MBeanOperationInfo.</DL>
</DD>
</DL>
<HR>

<A NAME="getParameterName(javax.management.MBeanOperationInfo, javax.management.MBeanParameterInfo, int)"><!-- --></A><H3>
getParameterName</H3>
<PRE>
protected <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getParameterName</B>(<A HREF="../../javax/management/MBeanOperationInfo.html" title="class in javax.management">MBeanOperationInfo</A>&nbsp;op,
                                  <A HREF="../../javax/management/MBeanParameterInfo.html" title="class in javax.management">MBeanParameterInfo</A>&nbsp;param,
                                  int&nbsp;sequence)</PRE>
<DL>
<DD>Customization hook:
 Get the name that will be used for the <var>sequence</var>
 MBeanParameterInfo of the MBeanOperationInfo returned by this MBean.
 <br>
 Subclasses may redefine this method in order to supply their
 custom parameter name.  The default implementation returns
 <A HREF="../../javax/management/MBeanFeatureInfo.html#getName()"><CODE>param.getName()</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>op</CODE> - The default MBeanOperationInfo derived by reflection.<DD><CODE>param</CODE> - The default MBeanParameterInfo derived by reflection.<DD><CODE>sequence</CODE> - The sequence number of the parameter considered 
        ("0" for the first parameter, "1" for the second parameter,
        etc...).
<DT><B>Returns:</B><DD>the name to use for the given MBeanParameterInfo.</DL>
</DD>
</DL>
<HR>

<A NAME="getDescription(javax.management.MBeanOperationInfo, javax.management.MBeanParameterInfo, int)"><!-- --></A><H3>
getDescription</H3>
<PRE>
protected <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getDescription</B>(<A HREF="../../javax/management/MBeanOperationInfo.html" title="class in javax.management">MBeanOperationInfo</A>&nbsp;op,
                                <A HREF="../../javax/management/MBeanParameterInfo.html" title="class in javax.management">MBeanParameterInfo</A>&nbsp;param,
                                int&nbsp;sequence)</PRE>
<DL>
<DD>Customization hook:
 Get the description that will be used for the  <var>sequence</var>
 MBeanParameterInfo of the MBeanOperationInfo returned by this MBean.
 <br>
 Subclasses may redefine this method in order to supply their
 custom description.  The default implementation returns
 <A HREF="../../javax/management/MBeanFeatureInfo.html#getDescription()"><CODE>param.getDescription()</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>op</CODE> - The default MBeanOperationInfo derived by reflection.<DD><CODE>param</CODE> - The default MBeanParameterInfo derived by reflection.<DD><CODE>sequence</CODE> - The sequence number of the parameter considered 
        ("0" for the first parameter, "1" for the second parameter,
        etc...).
<DT><B>Returns:</B><DD>the description for the given MBeanParameterInfo.</DL>
</DD>
</DL>
<HR>

<A NAME="getConstructors(javax.management.MBeanConstructorInfo[], java.lang.Object)"><!-- --></A><H3>
getConstructors</H3>
<PRE>
protected <A HREF="../../javax/management/MBeanConstructorInfo.html" title="class in javax.management">MBeanConstructorInfo</A>[] <B>getConstructors</B>(<A HREF="../../javax/management/MBeanConstructorInfo.html" title="class in javax.management">MBeanConstructorInfo</A>[]&nbsp;ctors,
                                                 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;impl)</PRE>
<DL>
<DD>Customization hook:
 Get the MBeanConstructorInfo[] that will be used in the MBeanInfo
 returned by this MBean.
 <br>
 By default, this method returns <code>null</code> if the wrapped
 implementation is not <var>this</var>. Indeed, if the wrapped
 implementation is not this object itself, it will not be possible
 to recreate a wrapped implementation by calling the implementation 
 constructors through <code>MBeanServer.createMBean(...)</code>.<br>
 Otherwise, if the wrapped implementation is <var>this</var>, 
 <var>ctors</var> is returned.
 <br>
 Subclasses may redefine this method in order to modify this 
 behaviour, if needed.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ctors</CODE> - The default MBeanConstructorInfo[] derived by reflection.<DD><CODE>impl</CODE> - The wrapped implementation. If <code>null</code> is
        passed, the wrapped implementation is ignored and 
        <var>ctors</var> is returned.
<DT><B>Returns:</B><DD>the MBeanConstructorInfo[] for the new MBeanInfo.</DL>
</DD>
</DL>
<HR>

<A NAME="getCachedMBeanInfo()"><!-- --></A><H3>
getCachedMBeanInfo</H3>
<PRE>
protected <A HREF="../../javax/management/MBeanInfo.html" title="class in javax.management">MBeanInfo</A> <B>getCachedMBeanInfo</B>()</PRE>
<DL>
<DD>Customization hook:
 Return the MBeanInfo cached for this object.

 <p>Subclasses may redefine this method in order to implement their
 own caching policy.  The default implementation stores one
 <A HREF="../../javax/management/MBeanInfo.html" title="class in javax.management"><CODE>MBeanInfo</CODE></A> object per instance.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The cached MBeanInfo, or null if no MBeanInfo is cached.<DT><B>See Also:</B><DD><A HREF="../../javax/management/StandardMBean.html#cacheMBeanInfo(javax.management.MBeanInfo)"><CODE>cacheMBeanInfo(MBeanInfo)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="cacheMBeanInfo(javax.management.MBeanInfo)"><!-- --></A><H3>
cacheMBeanInfo</H3>
<PRE>
protected void <B>cacheMBeanInfo</B>(<A HREF="../../javax/management/MBeanInfo.html" title="class in javax.management">MBeanInfo</A>&nbsp;info)</PRE>
<DL>
<DD>Customization hook:
 cache the MBeanInfo built for this object.

 <p>Subclasses may redefine this method in order to implement
 their own caching policy.  The default implementation stores
 <code>info</code> in this instance.  A subclass can define
 other policies, such as not saving <code>info</code> (so it is
 reconstructed every time <A HREF="../../javax/management/StandardMBean.html#getMBeanInfo()"><CODE>getMBeanInfo()</CODE></A> is called) or
 sharing a unique <A HREF="../../javax/management/MBeanInfo.html" title="class in javax.management"><CODE>MBeanInfo</CODE></A> object when several
 <code>StandardMBean</code> instances have equal <A HREF="../../javax/management/MBeanInfo.html" title="class in javax.management"><CODE>MBeanInfo</CODE></A> values.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>info</CODE> - the new <code>MBeanInfo</code> to cache.  Any
 previously cached value is discarded.  This parameter may be
 null, in which case there is no new cached value.</DL>
</DD>
</DL>
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