journal.io.api

Class JournalBuilder

java.lang.Object

journal.io.api.JournalBuilder

public class JournalBuilder
extends Object

A builder style API to create ready to use Journal.

Method Summary

Methods

Modifier and Type	Method and Description
static JournalBuilder	of(File directory)
Journal	open()
JournalBuilder	setArchived(File to) Set the directory used to archive cleaned up log files, also enabling archiving.
JournalBuilder	setChecksum(Boolean checksum) Set true to enable records checksum, false otherwise.
JournalBuilder	setDisposeInterval(Long disposeInterval) Set the milliseconds interval for resources disposal: i.e., un-accessed files will be closed.
JournalBuilder	setDisposer(ScheduledExecutorService disposer) Set the ScheduledExecutorService to use for internal resources disposing.
JournalBuilder	setFilePrefix(String filePrefix) Set the prefix for log files.
JournalBuilder	setFileSuffix(String fileSuffix) Set the suffix for log files.
JournalBuilder	setMaxFileLength(Integer maxFileLength) Set the max length of each log file.
JournalBuilder	setMaxWriteBatchSize(Integer maxWriteBatchSize) Set the max size in bytes of the write batch: must always be equal or less than the max file length.
JournalBuilder	setPhysicalSync(Boolean physicalSync) Set true if every disk write must be followed by a physical disk sync, synchronizing file descriptor properties and flushing hardware buffers, false otherwise.
JournalBuilder	setRecoveryErrorHandler(RecoveryErrorHandler recoveryErrorHandler) Set the RecoveryErrorHandler to invoke in case of checksum errors.
JournalBuilder	setReplicationTarget(ReplicationTarget replicationTarget) Set the ReplicationTarget to replicate batch writes to.
JournalBuilder	setWriter(Executor writer) Set the Executor to use for writing new record entries.

Methods inherited from class java.lang.Object

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

Method Detail

setArchived

public JournalBuilder setArchived(File to)

Set the directory used to archive cleaned up log files, also enabling archiving.

setChecksum

public JournalBuilder setChecksum(Boolean checksum)

Set true to enable records checksum, false otherwise.

setDisposeInterval

public JournalBuilder setDisposeInterval(Long disposeInterval)

Set the milliseconds interval for resources disposal: i.e., un-accessed files will be closed.

setDisposer

public JournalBuilder setDisposer(ScheduledExecutorService disposer)

Set the ScheduledExecutorService to use for internal resources disposing. Important note: the provided ScheduledExecutorService must be manually closed.

setFilePrefix

public JournalBuilder setFilePrefix(String filePrefix)

Set the prefix for log files.

setFileSuffix

public JournalBuilder setFileSuffix(String fileSuffix)

Set the suffix for log files.

setMaxFileLength

public JournalBuilder setMaxFileLength(Integer maxFileLength)

Set the max length of each log file.

setMaxWriteBatchSize

public JournalBuilder setMaxWriteBatchSize(Integer maxWriteBatchSize)

Set the max size in bytes of the write batch: must always be equal or less than the max file length.

setPhysicalSync

public JournalBuilder setPhysicalSync(Boolean physicalSync)

Set true if every disk write must be followed by a physical disk sync, synchronizing file descriptor properties and flushing hardware buffers, false otherwise.

setRecoveryErrorHandler

public JournalBuilder setRecoveryErrorHandler(RecoveryErrorHandler recoveryErrorHandler)

Set the RecoveryErrorHandler to invoke in case of checksum errors.

setReplicationTarget

public JournalBuilder setReplicationTarget(ReplicationTarget replicationTarget)

Set the ReplicationTarget to replicate batch writes to.

setWriter

public JournalBuilder setWriter(Executor writer)

Set the Executor to use for writing new record entries. Important note: the provided Executor must be manually closed.

open

public Journal open()
             throws IOException

Returns:

a configured and opened Journal

Throws:

IOException

of

public static JournalBuilder of(File directory)

Parameters:

directory -

Returns:

a JournalBuilder using directory as base directory