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FastInputStream (Oracle - Berkeley DB Java API)
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<b>Berkeley DB</b><br><font size="-1"> version 4.8.30</font></EM>
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com.sleepycat.util</FONT>
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Class FastInputStream</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.util.FastInputStream</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple">TupleInput</A></DD>
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<DL>
<DT><PRE>public class <B>FastInputStream</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></DL>
</PRE>
<P>
A replacement for ByteArrayInputStream that does not synchronize every
byte read.
<p>This class extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><CODE>InputStream</CODE></A> and its <code>read()</code>
methods allow it to be used as a standard input stream. In addition, it
provides <code>readFast()</code> methods that are not declared to throw
<code>IOException</code>. <code>IOException</code> is never thrown by this
class.</p>
<P>
<P>
<HR>
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<B>Field Summary</B></FONT></TH>
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<CODE>protected byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#buf">buf</A></B></CODE>
<BR>
</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#len">len</A></B></CODE>
<BR>
</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#mark">mark</A></B></CODE>
<BR>
</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#off">off</A></B></CODE>
<BR>
</TD>
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<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#FastInputStream(byte[])">FastInputStream</A></B>(byte[] buffer)</CODE>
<BR>
Creates an input stream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#FastInputStream(byte[], int, int)">FastInputStream</A></B>(byte[] buffer,
int offset,
int length)</CODE>
<BR>
Creates an input stream.</TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#available()">available</A></B>()</CODE>
<BR>
</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#getBufferBytes()">getBufferBytes</A></B>()</CODE>
<BR>
Returns the underlying data being read.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#getBufferLength()">getBufferLength</A></B>()</CODE>
<BR>
Returns the end of the buffer being read.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#getBufferOffset()">getBufferOffset</A></B>()</CODE>
<BR>
Returns the offset at which data is being read from the buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#mark(int)">mark</A></B>(int readLimit)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#markSupported()">markSupported</A></B>()</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#read()">read</A></B>()</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#read(byte[])">read</A></B>(byte[] toBuf)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#read(byte[], int, int)">read</A></B>(byte[] toBuf,
int offset,
int length)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#readFast()">readFast</A></B>()</CODE>
<BR>
Equivalent to <code>read()<code> but does not throw
<code>IOException</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#readFast(byte[])">readFast</A></B>(byte[] toBuf)</CODE>
<BR>
Equivalent to <code>read(byte[])<code> but does not throw
<code>IOException</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#readFast(byte[], int, int)">readFast</A></B>(byte[] toBuf,
int offset,
int length)</CODE>
<BR>
Equivalent to <code>read(byte[],int,int)<code> but does not throw
<code>IOException</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#reset()">reset</A></B>()</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#skip(long)">skip</A></B>(long count)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/util/FastInputStream.html#skipFast(int)">skipFast</A></B>(int count)</CODE>
<BR>
Equivalent to <code>skip()<code> but takes an int parameter instead of a
long, and does not check whether the count given is larger than the
number of remaining bytes.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.io.InputStream"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.io.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#close()" title="class or interface in java.io">close</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<P>
<!-- ============ FIELD DETAIL =========== -->
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<B>Field Detail</B></FONT></TH>
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</TABLE>
<A NAME="len"><!-- --></A><H3>
len</H3>
<PRE>
protected int <B>len</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="off"><!-- --></A><H3>
off</H3>
<PRE>
protected int <B>off</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="mark"><!-- --></A><H3>
mark</H3>
<PRE>
protected int <B>mark</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="buf"><!-- --></A><H3>
buf</H3>
<PRE>
protected byte[] <B>buf</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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</TABLE>
<A NAME="FastInputStream(byte[])"><!-- --></A><H3>
FastInputStream</H3>
<PRE>
public <B>FastInputStream</B>(byte[] buffer)</PRE>
<DL>
<DD>Creates an input stream.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>buffer</CODE> - the data to read.</DL>
</DL>
<HR>
<A NAME="FastInputStream(byte[], int, int)"><!-- --></A><H3>
FastInputStream</H3>
<PRE>
public <B>FastInputStream</B>(byte[] buffer,
int offset,
int length)</PRE>
<DL>
<DD>Creates an input stream.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>buffer</CODE> - the data to read.<DD><CODE>offset</CODE> - the byte offset at which to begin reading.<DD><CODE>length</CODE> - the number of bytes to read.</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<B>Method Detail</B></FONT></TH>
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<A NAME="available()"><!-- --></A><H3>
available</H3>
<PRE>
public int <B>available</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#available()" title="class or interface in java.io">available</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="markSupported()"><!-- --></A><H3>
markSupported</H3>
<PRE>
public boolean <B>markSupported</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#markSupported()" title="class or interface in java.io">markSupported</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="mark(int)"><!-- --></A><H3>
mark</H3>
<PRE>
public void <B>mark</B>(int readLimit)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#mark(int)" title="class or interface in java.io">mark</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#reset()" title="class or interface in java.io">reset</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="skip(long)"><!-- --></A><H3>
skip</H3>
<PRE>
public long <B>skip</B>(long count)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#skip(long)" title="class or interface in java.io">skip</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="read()"><!-- --></A><H3>
read</H3>
<PRE>
public int <B>read</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#read()" title="class or interface in java.io">read</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="read(byte[])"><!-- --></A><H3>
read</H3>
<PRE>
public int <B>read</B>(byte[] toBuf)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#read(byte[])" title="class or interface in java.io">read</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="read(byte[], int, int)"><!-- --></A><H3>
read</H3>
<PRE>
public int <B>read</B>(byte[] toBuf,
int offset,
int length)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true#read(byte[], int, int)" title="class or interface in java.io">read</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="skipFast(int)"><!-- --></A><H3>
skipFast</H3>
<PRE>
public final void <B>skipFast</B>(int count)</PRE>
<DL>
<DD>Equivalent to <code>skip()<code> but takes an int parameter instead of a
long, and does not check whether the count given is larger than the
number of remaining bytes.
<P>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../com/sleepycat/util/FastInputStream.html#skip(long)"><CODE>skip(long)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="readFast()"><!-- --></A><H3>
readFast</H3>
<PRE>
public final int <B>readFast</B>()</PRE>
<DL>
<DD>Equivalent to <code>read()<code> but does not throw
<code>IOException</code>.
<P>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../com/sleepycat/util/FastInputStream.html#read()"><CODE>read()</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="readFast(byte[])"><!-- --></A><H3>
readFast</H3>
<PRE>
public final int <B>readFast</B>(byte[] toBuf)</PRE>
<DL>
<DD>Equivalent to <code>read(byte[])<code> but does not throw
<code>IOException</code>.
<P>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../com/sleepycat/util/FastInputStream.html#read(byte[])"><CODE>read(byte[])</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="readFast(byte[], int, int)"><!-- --></A><H3>
readFast</H3>
<PRE>
public final int <B>readFast</B>(byte[] toBuf,
int offset,
int length)</PRE>
<DL>
<DD>Equivalent to <code>read(byte[],int,int)<code> but does not throw
<code>IOException</code>.
<P>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../com/sleepycat/util/FastInputStream.html#read(byte[], int, int)"><CODE>read(byte[],int,int)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getBufferBytes()"><!-- --></A><H3>
getBufferBytes</H3>
<PRE>
public final byte[] <B>getBufferBytes</B>()</PRE>
<DL>
<DD>Returns the underlying data being read.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the underlying data.</DL>
</DD>
</DL>
<HR>
<A NAME="getBufferOffset()"><!-- --></A><H3>
getBufferOffset</H3>
<PRE>
public final int <B>getBufferOffset</B>()</PRE>
<DL>
<DD>Returns the offset at which data is being read from the buffer.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the offset at which data is being read.</DL>
</DD>
</DL>
<HR>
<A NAME="getBufferLength()"><!-- --></A><H3>
getBufferLength</H3>
<PRE>
public final int <B>getBufferLength</B>()</PRE>
<DL>
<DD>Returns the end of the buffer being read.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the end of the buffer.</DL>
</DD>
</DL>
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