tabulardata.html

j2ee api,很好的api。我这现在有

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Adds <var>value</var> to this <tt>TabularData</tt> instance.
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/openmbean/TabularData.html#putAll(javax.management.openmbean.CompositeData[])">putAll</A></B>(<A HREF="../../../javax/management/openmbean/CompositeData.html" title="interface in javax.management.openmbean">CompositeData</A>[]&nbsp;values)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add all the elements in <var>values</var> to this <tt>TabularData</tt> instance. 
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<CODE>&nbsp;<A HREF="../../../javax/management/openmbean/CompositeData.html" title="interface in javax.management.openmbean">CompositeData</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/openmbean/TabularData.html#remove(java.lang.Object[])">remove</A></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;key)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removes the <tt>CompositeData</tt> value whose index is <var>key</var> from this <tt>TabularData</tt> instance,
 and returns the removed value, or returns <tt>null</tt> if there is no value whose index is <var>key</var>.</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/openmbean/TabularData.html#size()">size</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of <tt>CompositeData</tt> values (ie the
 number of rows) contained in this <tt>TabularData</tt>
 instance.</TD>
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/openmbean/TabularData.html#toString()">toString</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a string representation of this <code>TabularData</code> instance. 
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/openmbean/TabularData.html#values()">values</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a collection view of the <tt>CompositeData</tt> values (ie the rows) 
 contained in this <tt>TabularData</tt> instance. 
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<B>Method Detail</B></FONT></TD>
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<A NAME="getTabularType()"><!-- --></A><H3>
getTabularType</H3>
<PRE>
public <A HREF="../../../javax/management/openmbean/TabularType.html" title="class in javax.management.openmbean">TabularType</A> <B>getTabularType</B>()</PRE>
<DL>
<DD>Returns the <i>tabular type</i> describing this
 <tt>TabularData</tt> instance.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the tabular type.</DL>
</DD>
</DL>
<HR>

<A NAME="calculateIndex(javax.management.openmbean.CompositeData)"><!-- --></A><H3>
calculateIndex</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>calculateIndex</B>(<A HREF="../../../javax/management/openmbean/CompositeData.html" title="interface in javax.management.openmbean">CompositeData</A>&nbsp;value)</PRE>
<DL>
<DD>Calculates the index that would be used in this <tt>TabularData</tt> instance to refer to the specified
 composite data <var>value</var> parameter if it were added to this instance.
 This method checks for the type validity of the specified <var>value</var>, 
 but does not check if the calculated index is already used to refer to a value in this <tt>TabularData</tt> instance.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the composite data value whose index in this 
					  <tt>TabularData</tt> instance is to be calculated;
					  must be of the same composite type as this instance's row type;
					  must not be null.
<DT><B>Returns:</B><DD>the index that the specified <var>value</var> would have in this <tt>TabularData</tt> instance.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <var>value</var> is <tt>null</tt>
<DD><CODE><A HREF="../../../javax/management/openmbean/InvalidOpenTypeException.html" title="class in javax.management.openmbean">InvalidOpenTypeException</A></CODE> - if <var>value</var> does not conform to this <tt>TabularData</tt> instance's 
				          row type definition.</DL>
</DD>
</DL>
<HR>

<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Returns the number of <tt>CompositeData</tt> values (ie the
 number of rows) contained in this <tt>TabularData</tt>
 instance.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of values contained.</DL>
</DD>
</DL>
<HR>

<A NAME="isEmpty()"><!-- --></A><H3>
isEmpty</H3>
<PRE>
public boolean <B>isEmpty</B>()</PRE>
<DL>
<DD>Returns <tt>true</tt> if the number of <tt>CompositeData</tt>
 values (ie the number of rows) contained in this
 <tt>TabularData</tt> instance is zero.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>true if this <tt>TabularData</tt> is empty.</DL>
</DD>
</DL>
<HR>

<A NAME="containsKey(java.lang.Object[])"><!-- --></A><H3>
containsKey</H3>
<PRE>
public boolean <B>containsKey</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;key)</PRE>
<DL>
<DD>Returns <tt>true</tt> if and only if this <tt>TabularData</tt> instance contains a <tt>CompositeData</tt> value 
 (ie a row) whose index is the specified <var>key</var>. If <var>key</var> is <tt>null</tt> or does not conform to
 this <tt>TabularData</tt> instance's <tt>TabularType</tt> definition, this method simply returns <tt>false</tt>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the index value whose presence in this <tt>TabularData</tt> instance is to be tested.
<DT><B>Returns:</B><DD><tt>true</tt> if this <tt>TabularData</tt> indexes a row value with the specified key.</DL>
</DD>
</DL>
<HR>

<A NAME="containsValue(javax.management.openmbean.CompositeData)"><!-- --></A><H3>
containsValue</H3>
<PRE>
public boolean <B>containsValue</B>(<A HREF="../../../javax/management/openmbean/CompositeData.html" title="interface in javax.management.openmbean">CompositeData</A>&nbsp;value)</PRE>
<DL>
<DD>Returns <tt>true</tt> if and only if this <tt>TabularData</tt> instance contains the specified
 <tt>CompositeData</tt> value. If <var>value</var> is <tt>null</tt> or does not conform to
 this <tt>TabularData</tt> instance's row type definition, this method simply returns <tt>false</tt>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the row value whose presence in this <tt>TabularData</tt> instance is to be tested.
<DT><B>Returns:</B><DD><tt>true</tt> if this <tt>TabularData</tt> instance contains the specified row value.</DL>
</DD>
</DL>
<HR>

<A NAME="get(java.lang.Object[])"><!-- --></A><H3>
get</H3>
<PRE>
public <A HREF="../../../javax/management/openmbean/CompositeData.html" title="interface in javax.management.openmbean">CompositeData</A> <B>get</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;key)</PRE>
<DL>
<DD>Returns the <tt>CompositeData</tt> value whose index is
 <var>key</var>, or <tt>null</tt> if there is no value mapping
 to <var>key</var>, in this <tt>TabularData</tt> instance.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key of the row to return.
<DT><B>Returns:</B><DD>the value corresponding to <var>key</var>.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if the <var>key</var> is
 <tt>null</tt>
<DD><CODE><A HREF="../../../javax/management/openmbean/InvalidKeyException.html" title="class in javax.management.openmbean">InvalidKeyException</A></CODE> - if the <var>key</var> does not
 conform to this <tt>TabularData</tt> instance's *
 <tt>TabularType</tt> definition</DL>
</DD>
</DL>
<HR>

<A NAME="put(javax.management.openmbean.CompositeData)"><!-- --></A><H3>
put</H3>
<PRE>
public void <B>put</B>(<A HREF="../../../javax/management/openmbean/CompositeData.html" title="interface in javax.management.openmbean">CompositeData</A>&nbsp;value)</PRE>
<DL>
<DD>Adds <var>value</var> to this <tt>TabularData</tt> instance.
 The composite type of <var>value</var> must be the same as this
 instance's row type (ie the composite type returned by
 <tt>this.getTabularType().<A HREF="../../../javax/management/openmbean/TabularType.html#getRowType()"><CODE>getRowType()</CODE></A></tt>), and there must not already be an existing
 value in this <tt>TabularData</tt> instance whose index is the
 same as the one calculated for the <var>value</var> to be
 added. The index for <var>value</var> is calculated according
 to this <tt>TabularData</tt> instance's <tt>TabularType</tt>
 definition (see <tt>TabularType.<A HREF="../../../javax/management/openmbean/TabularType.html#getIndexNames()"><CODE>getIndexNames()</CODE></A></tt>).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the composite data value to be added as a new row to this <tt>TabularData</tt> instance;
					  must be of the same composite type as this instance's row type;
					  must not be null.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <var>value</var> is <tt>null</tt>
<DD><CODE><A HREF="../../../javax/management/openmbean/InvalidOpenTypeException.html" title="class in javax.management.openmbean">InvalidOpenTypeException</A></CODE> - if <var>value</var> does not conform to this <tt>TabularData</tt> instance's 
				          row type definition.
<DD><CODE><A HREF="../../../javax/management/openmbean/KeyAlreadyExistsException.html" title="class in javax.management.openmbean">KeyAlreadyExistsException</A></CODE> - if the index for <var>value</var>, calculated according to 
					  this <tt>TabularData</tt> instance's <tt>TabularType</tt> definition 
					  already maps to an existing value in the underlying HashMap.</DL>