org.caleigo.core.service
Class TextFileDataService

java.lang.Object
  org.caleigo.core.AbstractDataService
      org.caleigo.core.service.MemoryDataService
          org.caleigo.core.service.TextFileDataService

All Implemented Interfaces:

IDataService, IDistributable, ISecureService, IService, java.io.Serializable

public class TextFileDataService

extends MemoryDataService

TextFileDataService provides a simple extension of the MemoryDataService that stores the data entities in text files in a database file-catalog. Note that the class is not suitable to store sensitive data. The class does not verify foreign keys and should only be used for temporary storage and/or for test or demonstration purposes.

Version:

1.00

Author:

Dennis Zikovic

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class org.caleigo.core.service.MemoryDataService

MemoryDataService.DataTransaction, MemoryDataService.DefaultSelectionHolder, MemoryDataService.ISelectionHolder

Nested classes inherited from class org.caleigo.core.AbstractDataService

AbstractDataService.AbstractDataTransaction

Field Summary

Fields inherited from class org.caleigo.core.service.MemoryDataService

mTableSelectionMap

Fields inherited from class org.caleigo.core.AbstractDataService

DEFAULT_TIMEOUT

Constructor Summary

TextFileDataService(IDataSourceDescriptor dataSourceDescriptor, java.lang.Object serviceIdentity, java.lang.String dbDirectoryPath)

TextFileDataService(IDataSourceDescriptor dataSourceDescriptor, java.lang.String dbDirectoryPath)

Method Summary

java.io.File	getDirectoryFile()
int	getFieldSeparator()
int	getRecordSeparator()
int	getStringDelimiter()
protected ISelection	loadTableSelection(IEntityDescriptor entityDescriptor) This method can be overriden to provide a simple persistent storage for the MemoryDataService.
boolean	ping() Should return true if the service is online and reponding to calls.
void	setFieldSeparator(int character)
void	setRecordSeparator(int character)
void	setStringDelimiter(int character)
protected void	storeTableSelection(ISelection dbSelection) This method can be overriden to provide a simple persistent storage for the MemoryDataService.

Methods inherited from class org.caleigo.core.service.MemoryDataService

backupTo, backupTo, copyDataSource, createSelectionHolder, executeDelete, executeInsert, executeLoad, executeQuery, executeUpdate, finalize, getTableSelection, isAutGenerateEnabled, isSyncronized, markTableAsChanged, newTransaction, restoreFrom, restoreFrom, restoreFromURL, restoreFromURL, setAutGenerateEnabled, setSyncronized, syncronize

Methods inherited from class org.caleigo.core.AbstractDataService

checkEntityAsDeletable, checkEntityAsStorable, delete, finalizeService, getCustomProxyService, getDataSourceDescriptor, getServiceIdentity, getServiceInterface, getServiceInterfaceClass, getServiceType, getTimeout, hasCustomProxyService, initializeService, isValidating, load, loadSelection, loadSelection, refresh, setEntityData, setTimeout, setValidating, store

Methods inherited from class java.lang.Object

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

Constructor Detail

TextFileDataService

public TextFileDataService(IDataSourceDescriptor dataSourceDescriptor,
                           java.lang.String dbDirectoryPath)

TextFileDataService

public TextFileDataService(IDataSourceDescriptor dataSourceDescriptor,
                           java.lang.Object serviceIdentity,
                           java.lang.String dbDirectoryPath)

Method Detail

ping

public boolean ping()

Description copied from class: AbstractDataService

Should return true if the service is online and reponding to calls. Note that initializeService() must be called prior to this method.

Specified by:

ping in interface IService

Overrides:

ping in class MemoryDataService

loadTableSelection

protected ISelection loadTableSelection(IEntityDescriptor entityDescriptor)

Description copied from class: MemoryDataService

This method can be overriden to provide a simple persistent storage for the MemoryDataService. The method is called prior to any access of addressed table.

Overrides:

loadTableSelection in class MemoryDataService

storeTableSelection

protected void storeTableSelection(ISelection dbSelection)

Description copied from class: MemoryDataService

This method can be overriden to provide a simple persistent storage for the MemoryDataService. The method is called to store changes when neaded.

Overrides:

storeTableSelection in class MemoryDataService

getFieldSeparator

public int getFieldSeparator()

setFieldSeparator

public void setFieldSeparator(int character)

getRecordSeparator

public int getRecordSeparator()

setRecordSeparator

public void setRecordSeparator(int character)

getStringDelimiter

public int getStringDelimiter()

setStringDelimiter

public void setStringDelimiter(int character)

getDirectoryFile

public java.io.File getDirectoryFile()