tabulardatasupport.html

j2ee api,很好的api。我这现在有

values</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>values</B>()</PRE>
<DL>
<DD>Returns a collection view of the rows contained in this <code>TabularDataSupport</code> instance.  
 The collection is backed by the underlying map, so changes to the <code>TabularDataSupport</code> instance 
 are reflected in the collection, and vice-versa.

 The collection supports element removal, 
 which removes the corresponding index to row mapping from this <code>TabularDataSupport</code> instance, 
 via the <tt>Iterator.remove</tt>, <tt>Collection.remove</tt>,
 <tt>removeAll</tt>, <tt>retainAll</tt>, and <tt>clear</tt> operations.
 It does not support the <tt>add</tt> or <tt>addAll</tt> operations.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/openmbean/TabularData.html#values()">values</A></CODE> in interface <CODE><A HREF="../../../javax/management/openmbean/TabularData.html" title="interface in javax.management.openmbean">TabularData</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a collection view of the values contained in this <code>TabularDataSupport</code> instance.</DL>
</DD>
</DL>
<HR>

<A NAME="entrySet()"><!-- --></A><H3>
entrySet</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A> <B>entrySet</B>()</PRE>
<DL>
<DD>Returns a collection view of the index to row mappings contained in this <code>TabularDataSupport</code> instance.  
 Each element in the returned collection is a <tt>Map.Entry</tt>.  
 The collection is backed by the underlying map of this <code>TabularDataSupport</code> instance,  in
 so changes to the <code>TabularDataSupport</code> instance are reflected the collection, and vice-versa.  
 The collection supports element removal, which removes the corresponding mapping from the map, via the
 <tt>Iterator.remove</tt>, <tt>Collection.remove</tt>,
 <tt>removeAll</tt>, <tt>retainAll</tt>, and <tt>clear</tt> operations.
 It does not support the <tt>add</tt> or <tt>addAll</tt> operations.
 <p>
 <b>IMPORTANT NOTICE</b>: Do not use the <tt>SetValue</tt> method of <tt>Map.Entry</tt> elements contained in the returned
 collection view. Doing so would corrupt the index to row mappings contained in this <code>TabularDataSupport</code> instance.
 <p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html#entrySet()" title="class or interface in java.util">entrySet</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a collection view of the mappings contained in this map.<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.Entry.html" title="class or interface in java.util"><CODE>Map.Entry</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>clone</B>()</PRE>
<DL>
<DD>Returns a clone of this <code>TabularDataSupport</code> instance: 
 the clone is obtained by calling <tt>super.clone()</tt>, and then cloning the underlying map.
 Only a shallow clone of the underlying map is made, i.e. no cloning of the indexes and row values is made as they are immutable.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<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;obj)</PRE>
<DL>
<DD>Compares the specified <var>obj</var> parameter with this <code>TabularDataSupport</code> instance for equality. 
 <p>
 Returns <tt>true</tt> if and only if all of the following statements are true:
 <ul>
 <li><var>obj</var> is non null,</li>
 <li><var>obj</var> also implements the <code>TabularData</code> interface,</li>
 <li>their tabular types are equal</li>
 <li>their contents (ie all CompositeData values) are equal.</li>
 </ul>
 This ensures that this <tt>equals</tt> method works properly for <var>obj</var> parameters which are
 different implementations of the <code>TabularData</code> interface.
 <br>&nbsp;
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/openmbean/TabularData.html#equals(java.lang.Object)">equals</A></CODE> in interface <CODE><A HREF="../../../javax/management/openmbean/TabularData.html" title="interface in javax.management.openmbean">TabularData</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object to be compared for equality with this <code>TabularDataSupport</code> instance;
<DT><B>Returns:</B><DD><code>true</code> if the specified object is equal to this <code>TabularDataSupport</code> instance.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns the hash code value for this <code>TabularDataSupport</code> instance. 
 <p>
 The hash code of a <code>TabularDataSupport</code> instance is the sum of the hash codes
 of all elements of information used in <code>equals</code> comparisons 
 (ie: its <i>tabular type</i> and its content, where the content is defined as all the CompositeData values). 
 <p>
 This ensures that <code> t1.equals(t2) </code> implies that <code> t1.hashCode()==t2.hashCode() </code> 
 for any two <code>TabularDataSupport</code> instances <code>t1</code> and <code>t2</code>, 
 as required by the general contract of the method
 <a href="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#hashCode()"> 
 <code>Object.hashCode</code> </a>.
 <p>
 However, note that another instance of a class implementing the <code>TabularData</code> interface
 may be equal to this <code>TabularDataSupport</code> instance as defined by <A HREF="../../../javax/management/openmbean/TabularDataSupport.html#equals(java.lang.Object)"><CODE>equals(java.lang.Object)</CODE></A>, 
 but may have a different hash code if it is calculated differently.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/openmbean/TabularData.html#hashCode()">hashCode</A></CODE> in interface <CODE><A HREF="../../../javax/management/openmbean/TabularData.html" title="interface in javax.management.openmbean">TabularData</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the hash code value for this <code>TabularDataSupport</code> instance</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <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>toString</B>()</PRE>
<DL>
<DD>Returns a string representation of this <code>TabularDataSupport</code> instance. 
 <p>
 The string representation consists of the name of this class (ie <code>javax.management.openmbean.TabularDataSupport</code>), 
 the string representation of the tabular type of this instance, and the string representation of the contents
 (ie list the key=value mappings as returned by a call to
 <tt>dataMap.<a href="http://java.sun.com/j2se/1.3/docs/api/java/util/HashMap.html#toString()">toString()</a></tt>).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/openmbean/TabularData.html#toString()">toString</A></CODE> in interface <CODE><A HREF="../../../javax/management/openmbean/TabularData.html" title="interface in javax.management.openmbean">TabularData</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a string representation of this <code>TabularDataSupport</code> instance</DL>
</DD>
</DL>
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