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SerialBase
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com.sleepycat.bind.serial</FONT>
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Class SerialBase</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.bind.serial.SerialBase</B>
</PRE>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A></DD>
</DL>
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<DT><PRE>public class <B>SerialBase</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
A base class for serial bindings creators that provides control over the
allocation of the output buffer.
<p>Serial bindings append data to a <A HREF="../../../../com/sleepycat/util/FastOutputStream.html" title="class in com.sleepycat.util"><CODE>FastOutputStream</CODE></A> instance. This
object has a byte array buffer that is resized when it is full. The
reallocation of this buffer can be a performance factor for some
applications using large objects. To manage this issue, the <A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#setSerialBufferSize(int)"><CODE>setSerialBufferSize(int)</CODE></A> method may be used to control the initial size of the
buffer, and the <A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#getSerialOutput(java.lang.Object)"><CODE>getSerialOutput(java.lang.Object)</CODE></A> method may be overridden by
subclasses to take over creation of the FastOutputStream object.</p>
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<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#SerialBase()">SerialBase</A></B>()</CODE>
<BR>
Initializes the initial output buffer size to zero.</TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#getSerialBufferSize()">getSerialBufferSize</A></B>()</CODE>
<BR>
Returns the initial byte size of the output buffer.</TD>
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<CODE>protected <A HREF="../../../../com/sleepycat/util/FastOutputStream.html" title="class in com.sleepycat.util">FastOutputStream</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#getSerialOutput(java.lang.Object)">getSerialOutput</A></B>(java.lang.Object object)</CODE>
<BR>
Returns an empty SerialOutput instance that will be used by the serial
binding or key creator.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#setSerialBufferSize(int)">setSerialBufferSize</A></B>(int byteSize)</CODE>
<BR>
Sets the initial byte size of the output buffer that is allocated by the
default implementation of <A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#getSerialOutput(java.lang.Object)"><CODE>getSerialOutput(java.lang.Object)</CODE></A>.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="SerialBase()"><!-- --></A><H3>
SerialBase</H3>
<PRE>
public <B>SerialBase</B>()</PRE>
<DL>
<DD>Initializes the initial output buffer size to zero.
<p>Unless <A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#setSerialBufferSize(int)"><CODE>setSerialBufferSize(int)</CODE></A> is called, the default <A HREF="../../../../com/sleepycat/util/FastOutputStream.html#DEFAULT_INIT_SIZE"><CODE>FastOutputStream.DEFAULT_INIT_SIZE</CODE></A> size will be used.</p>
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<A NAME="setSerialBufferSize(int)"><!-- --></A><H3>
setSerialBufferSize</H3>
<PRE>
public void <B>setSerialBufferSize</B>(int byteSize)</PRE>
<DL>
<DD>Sets the initial byte size of the output buffer that is allocated by the
default implementation of <A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#getSerialOutput(java.lang.Object)"><CODE>getSerialOutput(java.lang.Object)</CODE></A>.
<p>If this property is zero (the default), the default <A HREF="../../../../com/sleepycat/util/FastOutputStream.html#DEFAULT_INIT_SIZE"><CODE>FastOutputStream.DEFAULT_INIT_SIZE</CODE></A> size is used.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>byteSize</CODE> - the initial byte size of the output buffer, or zero to
use the default size.</DL>
</DD>
</DL>
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<A NAME="getSerialBufferSize()"><!-- --></A><H3>
getSerialBufferSize</H3>
<PRE>
public int <B>getSerialBufferSize</B>()</PRE>
<DL>
<DD>Returns the initial byte size of the output buffer.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the initial byte size of the output buffer.<DT><B>See Also:</B><DD><A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#setSerialBufferSize(int)"><CODE>setSerialBufferSize(int)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getSerialOutput(java.lang.Object)"><!-- --></A><H3>
getSerialOutput</H3>
<PRE>
protected <A HREF="../../../../com/sleepycat/util/FastOutputStream.html" title="class in com.sleepycat.util">FastOutputStream</A> <B>getSerialOutput</B>(java.lang.Object object)</PRE>
<DL>
<DD>Returns an empty SerialOutput instance that will be used by the serial
binding or key creator.
<p>The default implementation of this method creates a new SerialOutput
with an initial buffer size that can be changed using the <A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#setSerialBufferSize(int)"><CODE>setSerialBufferSize(int)</CODE></A> method.</p>
<p>This method may be overridden to return a FastOutputStream instance.
For example, an instance per thread could be created and returned by
this method. If a FastOutputStream instance is reused, be sure to call
its <A HREF="../../../../com/sleepycat/util/FastOutputStream.html#reset()"><CODE>FastOutputStream.reset()</CODE></A> method before each use.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>object</CODE> - is the object to be written to the serial output, and may
be used by subclasses to determine the size of the output buffer.
<DT><B>Returns:</B><DD>an empty FastOutputStream instance.<DT><B>See Also:</B><DD><A HREF="../../../../com/sleepycat/bind/serial/SerialBase.html#setSerialBufferSize(int)"><CODE>setSerialBufferSize(int)</CODE></A></DL>
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