cachesizes.html

开源软件openfire的API文件。进行openfire的二次开发所必需的工具。

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<B>Constructor Detail</B></FONT></TH>
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<A NAME="CacheSizes()"><!-- --></A><H3>
CacheSizes</H3>
<PRE>
public <B>CacheSizes</B>()</PRE>
<DL>
</DL>

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<B>Method Detail</B></FONT></TH>
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<A NAME="sizeOfObject()"><!-- --></A><H3>
sizeOfObject</H3>
<PRE>
public static int <B>sizeOfObject</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a basic Object. This method should only
 be used for actual Object objects and not classes that extend Object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of an Object.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfString(java.lang.String)"><!-- --></A><H3>
sizeOfString</H3>
<PRE>
public static int <B>sizeOfString</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;string)</PRE>
<DL>
<DD>Returns the size in bytes of a String.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>string</CODE> - the String to determine the size of.
<DT><B>Returns:</B><DD>the size of a String.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfInt()"><!-- --></A><H3>
sizeOfInt</H3>
<PRE>
public static int <B>sizeOfInt</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a primitive int.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of a primitive int.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfChar()"><!-- --></A><H3>
sizeOfChar</H3>
<PRE>
public static int <B>sizeOfChar</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a primitive char.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of a primitive char.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfBoolean()"><!-- --></A><H3>
sizeOfBoolean</H3>
<PRE>
public static int <B>sizeOfBoolean</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a primitive boolean.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of a primitive boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfLong()"><!-- --></A><H3>
sizeOfLong</H3>
<PRE>
public static int <B>sizeOfLong</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a primitive long.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of a primitive long.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfDouble()"><!-- --></A><H3>
sizeOfDouble</H3>
<PRE>
public static int <B>sizeOfDouble</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a primitive double.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of a primitive double.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfDate()"><!-- --></A><H3>
sizeOfDate</H3>
<PRE>
public static int <B>sizeOfDate</B>()</PRE>
<DL>
<DD>Returns the size in bytes of a Date.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the size of a Date.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfMap(java.util.Map)"><!-- --></A><H3>
sizeOfMap</H3>
<PRE>
public static int <B>sizeOfMap</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&nbsp;map)</PRE>
<DL>
<DD>Returns the size in bytes of a Map object. All keys and
 values <b>must be Strings</b>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>map</CODE> - the Map object to determine the size of.
<DT><B>Returns:</B><DD>the size of the Map object.</DL>
</DD>
</DL>
<HR>

<A NAME="sizeOfCollection(java.util.Collection)"><!-- --></A><H3>
sizeOfCollection</H3>
<PRE>
public static int <B>sizeOfCollection</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&nbsp;list)</PRE>
<DL>
<DD>Returns the size in bytes of a Collection object. Elements are assumed to be
 <tt>String</tt>s, <tt>Long</tt>s or <tt>Cacheable</tt> objects.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>list</CODE> - the Collection object to determine the size of.
<DT><B>Returns:</B><DD>the size of the Collection object.</DL>
</DD>
</DL>
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