paged.fileheader.html

jxta的api库

public <B>Paged.FileHeader</B>(boolean&nbsp;read)
                 throws java.io.IOException</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<B>Method Detail</B></FONT></TD>
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<A NAME="read()"><!-- --></A><H3>
read</H3>
<PRE>
public final void <B>read</B>()
                throws java.io.IOException</PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="read(java.io.RandomAccessFile)"><!-- --></A><H3>
read</H3>
<PRE>
public void <B>read</B>(java.io.RandomAccessFile&nbsp;raf)
          throws java.io.IOException</PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="write()"><!-- --></A><H3>
write</H3>
<PRE>
public final void <B>write</B>()
                 throws java.io.IOException</PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="write(java.io.RandomAccessFile)"><!-- --></A><H3>
write</H3>
<PRE>
public void <B>write</B>(java.io.RandomAccessFile&nbsp;raf)
           throws java.io.IOException</PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="setDirty()"><!-- --></A><H3>
setDirty</H3>
<PRE>
public final void <B>setDirty</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isDirty()"><!-- --></A><H3>
isDirty</H3>
<PRE>
public final boolean <B>isDirty</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setHeaderSize(short)"><!-- --></A><H3>
setHeaderSize</H3>
<PRE>
public final void <B>setHeaderSize</B>(short&nbsp;headerSize)</PRE>
<DL>
<DD>The size of the FileHeader.  Usually 1 OS Page
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderSize()"><!-- --></A><H3>
getHeaderSize</H3>
<PRE>
public final short <B>getHeaderSize</B>()</PRE>
<DL>
<DD>The size of the FileHeader.  Usually 1 OS Page
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setPageSize(int)"><!-- --></A><H3>
setPageSize</H3>
<PRE>
public final void <B>setPageSize</B>(int&nbsp;pageSize)</PRE>
<DL>
<DD>The size of a page.  Usually a multiple of a FS block
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPageSize()"><!-- --></A><H3>
getPageSize</H3>
<PRE>
public final int <B>getPageSize</B>()</PRE>
<DL>
<DD>The size of a page.  Usually a multiple of a FS block
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setPageCount(long)"><!-- --></A><H3>
setPageCount</H3>
<PRE>
public final void <B>setPageCount</B>(long&nbsp;pageCount)</PRE>
<DL>
<DD>The number of pages in primary storage
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPageCount()"><!-- --></A><H3>
getPageCount</H3>
<PRE>
public final long <B>getPageCount</B>()</PRE>
<DL>
<DD>The number of pages in primary storage
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setTotalCount(long)"><!-- --></A><H3>
setTotalCount</H3>
<PRE>
public final void <B>setTotalCount</B>(long&nbsp;totalCount)</PRE>
<DL>
<DD>The number of total pages in the file
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getTotalCount()"><!-- --></A><H3>
getTotalCount</H3>
<PRE>
public final long <B>getTotalCount</B>()</PRE>
<DL>
<DD>The number of total pages in the file
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setFirstFreePage(long)"><!-- --></A><H3>
setFirstFreePage</H3>
<PRE>
public final void <B>setFirstFreePage</B>(long&nbsp;firstFreePage)</PRE>
<DL>
<DD>The first free page in unused secondary space
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFirstFreePage()"><!-- --></A><H3>
getFirstFreePage</H3>
<PRE>
public final long <B>getFirstFreePage</B>()</PRE>
<DL>
<DD>The first free page in unused secondary space
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setLastFreePage(long)"><!-- --></A><H3>
setLastFreePage</H3>
<PRE>
public final void <B>setLastFreePage</B>(long&nbsp;lastFreePage)</PRE>
<DL>
<DD>The last free page in unused secondary space
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getLastFreePage()"><!-- --></A><H3>
getLastFreePage</H3>
<PRE>
public final long <B>getLastFreePage</B>()</PRE>
<DL>
<DD>The last free page in unused secondary space
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setPageHeaderSize(byte)"><!-- --></A><H3>
setPageHeaderSize</H3>
<PRE>
public final void <B>setPageHeaderSize</B>(byte&nbsp;pageHeaderSize)</PRE>
<DL>
<DD>Set the size of a page header.

 Normally, 64 is sufficient.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPageHeaderSize()"><!-- --></A><H3>
getPageHeaderSize</H3>
<PRE>
public final byte <B>getPageHeaderSize</B>()</PRE>
<DL>
<DD>Get the size of a page header.

 Normally, 64 is sufficient
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxKeySize(short)"><!-- --></A><H3>
setMaxKeySize</H3>
<PRE>
public final void <B>setMaxKeySize</B>(short&nbsp;maxKeySize)</PRE>
<DL>
<DD>Set the maximum number of bytes a key can be.

 Normally, 256 is good
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxKeySize()"><!-- --></A><H3>
getMaxKeySize</H3>
<PRE>
public final short <B>getMaxKeySize</B>()</PRE>
<DL>
<DD>Get the maximum number of bytes.

 Normally, 256 is good.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setRecordCount(long)"><!-- --></A><H3>
setRecordCount</H3>
<PRE>
public final void <B>setRecordCount</B>(long&nbsp;recordCount)</PRE>
<DL>
<DD>The number of records being managed by the file (not pages)
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="incRecordCount()"><!-- --></A><H3>
incRecordCount</H3>
<PRE>
public final void <B>incRecordCount</B>()</PRE>
<DL>
<DD>Increment the number of records being managed by the file
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="decRecordCount()"><!-- --></A><H3>
decRecordCount</H3>
<PRE>
public final void <B>decRecordCount</B>()</PRE>
<DL>
<DD>Decrement the number of records being managed by the file
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRecordCount()"><!-- --></A><H3>
getRecordCount</H3>
<PRE>
public final long <B>getRecordCount</B>()</PRE>
<DL>
<DD>The number of records being managed by the file (not pages)
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getWorkSize()"><!-- --></A><H3>
getWorkSize</H3>
<PRE>
public final int <B>getWorkSize</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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