org.helidb.impl.txn.log
Class LoggingTransactionalDatabaseBuilder<K,V>

java.lang.Object
  org.helidb.impl.txn.log.LoggingTransactionalDatabaseBuilder<K,V>

Type Parameters:

K - The type of keys in the database.

V - The type of values in the database.

public class LoggingTransactionalDatabaseBuilder<K,V>
extends Object

This is a builder object for building LoggingTransactionalDatabase objects. It can be reused to create several objects with similar configurations.

Since:

1.0

Author:

Karl Gustafsson

In_jar:

helidb-logging_txn

Constructor Summary

LoggingTransactionalDatabaseBuilder()

Method Summary

<P> LoggingTransactionalDatabase<K,V,P>	create(DatabaseBackend<K,V,P> backend, ReadWritableFile logFile) Create the database.
LoggingTransactionalDatabaseBuilder<K,V>	setKeySerializer(Serializer<K> ks) Set a key serializer.
LoggingTransactionalDatabaseBuilder<K,V>	setLogAdapter(LogAdapterHolder lah) Set a log adapter.
LoggingTransactionalDatabaseBuilder<K,V>	setValueSerializer(Serializer<V> vs) Set a value serializer.

Methods inherited from class java.lang.Object

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

Constructor Detail

LoggingTransactionalDatabaseBuilder

public LoggingTransactionalDatabaseBuilder()

Method Detail

setKeySerializer

public LoggingTransactionalDatabaseBuilder<K,V> setKeySerializer(Serializer<K> ks)

Set a key serializer. This property must be set.

Parameters:

ks - The key serializer.

Returns:

this

setValueSerializer

public LoggingTransactionalDatabaseBuilder<K,V> setValueSerializer(Serializer<V> vs)

Set a value serializer. This property must be set.

Parameters:

vs - The value serializer.

Returns:

this.

setLogAdapter

public LoggingTransactionalDatabaseBuilder<K,V> setLogAdapter(LogAdapterHolder lah)

Set a log adapter. The default value for this property is a StdOutLogAdapter.

Parameters:

lah - A log adapter holder.

Returns:

this

create

public <P> LoggingTransactionalDatabase<K,V,P> create(DatabaseBackend<K,V,P> backend,
                                                      ReadWritableFile logFile)

Create the database.

Type Parameters:

P - The type of positions in the database backend.

Parameters:

backend - The database backend.

logFile - The file where the database will write its rollback log.

Returns:

A new LoggingTransactionalDatabase object.