com.ados.hestia.utils.db
Class KeyProcessor

java.lang.Object
  com.ados.hestia.utils.db.KeyProcessor

Direct Known Subclasses:

PartnerInfoProcessor, PartnerLocationProcessor, RevisionProcessor, SecurityInfoProcessor, ServerOptionsProcessor, SessionProcessor, TPAProcessor

public abstract class KeyProcessor
extends Object

Helper class which provide support of IStore and Containers.

Version:

$Revision: 1726 $ $Date: 2006-03-30 19:51:44 +0900 $

See Also:

IStore, Container

Field Summary

protected KeyDescriptor	m_descriptor
protected static HestiaLogger	m_log
protected long	m_modification
protected Processor	m_processor
protected Properties	m_properties
protected StoreRepository	m_repository

Constructor Summary

protected

KeyProcessor(StoreRepository repository, Properties properties, KeyDescriptor descriptor) Constructor.

Method Summary

void	close() Close processor.
protected static void	closeSafe(Object stream) Safely close output or input stream.
protected void	closeStore(IStore store) Close store by deleting it from StoreRepository.
protected IStore	containerToTempStore(Container container) Serialize container to temporary store.
protected static void	errorToCollectorError(Throwable e) Convert common error to CollectorException.
protected Container	getContainerFromProcessor(String id) Extract Container with specific id from processor.
long	getModificationStatus() Returns current revision of processor's entries.
Processor	getProcessor() Returns processor.
protected StoreRepository	getRepository() Return reference to StoreRepository to support access to IStore.
protected void	updateModification() Update modification status.

Methods inherited from class java.lang.Object

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

Field Detail

m_processor

protected Processor m_processor

m_descriptor

protected KeyDescriptor m_descriptor

m_repository

protected StoreRepository m_repository

m_properties

protected Properties m_properties

m_modification

protected long m_modification

m_log

protected static HestiaLogger m_log

Constructor Detail

KeyProcessor

protected KeyProcessor(StoreRepository repository,
                       Properties properties,
                       KeyDescriptor descriptor)

Constructor.

Parameters:

repository - specify working StoreRepository for IStore access.

properties - connection properties to specific database.

descriptor - provide information how data is stored ad database.

Method Detail

getModificationStatus

public long getModificationStatus()

Returns current revision of processor's entries. Each change increase status by 1.

Returns:

current revision of processor's entries. Each change increase status by 1.

updateModification

protected void updateModification()

Update modification status.

close

public void close()

Close processor. Ensure that corresponded db processor is closed.

getProcessor

public Processor getProcessor()

Returns processor. Create it if needed.

Returns:

processor. Create it if needed.

errorToCollectorError

protected static void errorToCollectorError(Throwable e)
                                     throws CollectorException

Convert common error to CollectorException.

Parameters:

e - common error to convert.

Throws:

CollectorException - always throw.

closeSafe

protected static void closeSafe(Object stream)

Safely close output or input stream. Ignore IOException on close.

Parameters:

stream - stream to close.

getRepository

protected StoreRepository getRepository()

Return reference to StoreRepository to support access to IStore.

Returns:

reference to StoreRepository to support access to IStore.

containerToTempStore

protected IStore containerToTempStore(Container container)
                               throws CollectorException

Serialize container to temporary store.

Parameters:

container - container to serialize.

Returns:

store wich keep container.

Throws:

CollectorException - if container cannot be serialized to store.

closeStore

protected void closeStore(IStore store)

Close store by deleting it from StoreRepository.

Parameters:

store - specify store to close.

getContainerFromProcessor

protected Container getContainerFromProcessor(String id)
                                       throws CollectorException

Extract Container with specific id from processor.

Parameters:

id - specify id of contaner to extract.

Returns:

Container with specific id from.

Throws:

CollectorException - if Container cannot be extracted from database.