org.agilewiki.jfile.block

Class LTA32Block

java.lang.Object

org.agilewiki.jfile.block.LBlock

org.agilewiki.jfile.block.LTBlock

org.agilewiki.jfile.block.LTA32Block

All Implemented Interfaces:

Block

public class LTA32Block
extends LTBlock

A block with a length, timestamp and Adler32 checksum in the header.

Field Summary

Fields inherited from class org.agilewiki.jfile.block.LBlock

blockBytes, rb, rootJidBytes

Constructor Summary

Constructors

Constructor and Description
LTA32Block()

Method Summary

Methods

Modifier and Type	Method and Description
int	headerLength() The length of the header which prefaces the actual data on disk.
protected void	saveHeader(org.agilewiki.jid.AppendableBytes ab, int l) Provides the raw header information to be written to disk.
int	setHeaderBytes(byte[] bytes) Provides the raw header information read from disk.
boolean	setRootJidBytes(byte[] bytesRead) Provides the data read from disk after the header.

Methods inherited from class org.agilewiki.jfile.block.LTBlock

getTimestamp, setRootJid, setTimestamp

Methods inherited from class org.agilewiki.jfile.block.LBlock

getCurrentPosition, getFileName, getRootJid, getRootJid, isEmpty, serialize, setCurrentPosition, setFileName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LTA32Block

public LTA32Block()

Method Detail

headerLength

public int headerLength()

The length of the header which prefaces the actual data on disk.

Specified by:

headerLength in interface Block

Overrides:

headerLength in class LTBlock

Returns:

The header length.

saveHeader

protected void saveHeader(org.agilewiki.jid.AppendableBytes ab,
              int l)
                   throws Exception

Provides the raw header information to be written to disk.

Overrides:

saveHeader in class LTBlock

Parameters:

ab - Append the data to this.

l - The length of the data.

Throws:

Exception

setHeaderBytes

public int setHeaderBytes(byte[] bytes)

Provides the raw header information read from disk.

Specified by:

setHeaderBytes in interface Block

Overrides:

setHeaderBytes in class LTBlock

Parameters:

bytes - The header bytes read from disk.

Returns:

The length of the data following the header on disk.

setRootJidBytes

public boolean setRootJidBytes(byte[] bytesRead)

Provides the data read from disk after the header.

Specified by:

setRootJidBytes in interface Block

Overrides:

setRootJidBytes in class LBlock

Parameters:

bytesRead - The data following the header on disk.

Returns:

True when the data is valid.