org.fcrepo.server.journal.readerwriter.multicast
Class LocalDirectoryTransport

java.lang.Object
  org.fcrepo.server.journal.readerwriter.multicast.Transport
      org.fcrepo.server.journal.readerwriter.multicast.LocalDirectoryTransport

public class LocalDirectoryTransport
extends Transport

LocalDirectoryTransport.java

Writes Journal files to a local disk directory. It requires these parameters:

• directoryPath - full path to the directory where the Journals will be stored.

Version:

$Id: LocalDirectoryTransport.java,v 1.1 2007/03/06 15:02:58 jblake Exp $

Author:

jblake

Nested Class Summary

Nested classes/interfaces inherited from class org.fcrepo.server.journal.readerwriter.multicast.Transport

Transport.State

Field Summary

static String

PARAMETER_DIRECTORY_PATH

Fields inherited from class org.fcrepo.server.journal.readerwriter.multicast.Transport

crucial, parameters, parent

Constructor Summary

LocalDirectoryTransport(Map<String,String> parameters, boolean crucial, TransportParent parent)

Method Summary

void	closeFile() On a request to close the file, check that we are in a valid state, close the XMLEventWriter and the TransportOutputFile, set the state.
XMLEventWriter	getWriter() Check that our current state is correct before filling a request for an XMLEventWriter.
void	openFile(String repositoryHash, String filename, Date currentDate) On a request to open the file, check that we are in a valid state, create the file, create the XMLEventWriter for use on the file, ask the parent to write the header to the file, set the state.
void	shutdown() On a request to shut down, check that we are in a valid state, set the state. If we have already shut down, a second call is not an error, but requires no action.

Methods inherited from class org.fcrepo.server.journal.readerwriter.multicast.Transport

getState, isCrucial, setState, testStateChange, testWriterState

Methods inherited from class java.lang.Object

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

Field Detail

PARAMETER_DIRECTORY_PATH

public static final String PARAMETER_DIRECTORY_PATH

See Also:

Constant Field Values

Constructor Detail

LocalDirectoryTransport

public LocalDirectoryTransport(Map<String,String> parameters,
                               boolean crucial,
                               TransportParent parent)
                        throws JournalException

Throws:

JournalException

Method Detail

openFile

public void openFile(String repositoryHash,
                     String filename,
                     Date currentDate)
              throws JournalException

On a request to open the file,

• check that we are in a valid state,
• create the file,
• create the XMLEventWriter for use on the file,
• ask the parent to write the header to the file,
• set the state.

Specified by:

openFile in class Transport

Throws:

JournalException

getWriter

public XMLEventWriter getWriter()
                         throws JournalException

Check that our current state is correct before filling a request for an XMLEventWriter.

Specified by:

getWriter in class Transport

Throws:

JournalException

closeFile

public void closeFile()
               throws JournalException

On a request to close the file,

• check that we are in a valid state,
• close the XMLEventWriter and the TransportOutputFile,
• set the state.

Specified by:

closeFile in class Transport

Throws:

JournalException

shutdown

public void shutdown()
              throws JournalException

On a request to shut down,

• check that we are in a valid state,
• set the state.

If we have already shut down, a second call is not an error, but requires no action.

Specified by:

shutdown in class Transport

Throws:

JournalException