org.apache.river.mercury

Class EventWriter

java.lang.Object

org.apache.river.mercury.EventWriter

class EventWriter
extends Object

This class provides the interface for writing RemoteEvents to a given LogOutputStream.

Since:

1.1

Author:

Sun Microsystems, Inc.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	EventWriter.EventOutputStream This class extends ObjectOutputStream in order to obtain object writing methods.
private static class	EventWriter.SwitchOutputStream This class is intended to be the OutputStream provided to EventOutputStream's constructor.

Field Summary

Fields

Modifier and Type	Field and Description
private EventWriter.EventOutputStream	eout Reference to EventOutputStream for this class
private EventWriter.SwitchOutputStream	sout Reference to SwitchOutputStream for this class

Constructor Summary

Constructors

Constructor and Description
EventWriter() Simple constructor that creates the appropriate internal objects.

Method Summary

Modifier and Type	Method and Description
void	write(RemoteEvent ev, LogOutputStream out) Writes the given RemoteEvent to the provided LogOutputStream.

Methods inherited from class java.lang.Object

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

Field Detail

eout

private EventWriter.EventOutputStream eout

Reference to EventOutputStream for this class

sout

private EventWriter.SwitchOutputStream sout

Reference to SwitchOutputStream for this class

Constructor Detail

EventWriter

public EventWriter()
            throws IOException

Simple constructor that creates the appropriate internal objects.

Throws:

IOException - if an I/O error occurs

Method Detail

write

public void write(RemoteEvent ev,
                  LogOutputStream out)
           throws IOException,
                  SyncFailedException

Writes the given RemoteEvent to the provided LogOutputStream. It also attempts to synchronize the write with the underlying storage mechanism.

Throws:

IOException - Thrown if an I/O error occurs

SyncFailedException - Thrown when the buffers cannot be flushed, or because the system cannot guarantee that all the buffers have been synchronized with physical media.