org.neodatis.odb.impl.core.transaction

Class Session

java.lang.Object

org.neodatis.odb.impl.core.transaction.Session

All Implemented Interfaces:

java.lang.Comparable, java.util.Observer, ISession

Direct Known Subclasses:

ClientSession, LocalSession

public abstract class Session
extends java.lang.Object
implements java.lang.Comparable, ISession

An ODB Session. Keeps track of all the session operations. Caches objects and manage the transaction. The meta model of the database is stored in the session.

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	id

Constructor Summary

Constructors

Constructor and Description
Session(java.lang.String id, java.lang.String baseIdentification)

Method Summary

Modifier and Type	Method and Description
void	addObjectToCache(OID oid, java.lang.Object object, ObjectInfoHeader oih) Add these information on a session cache.
abstract ICache	buildCache()
abstract ITmpCache	buildTmpCache()
void	clear()
void	clearCache()
void	close()
abstract void	commit()
int	compareTo(java.lang.Object o)
boolean	equals(java.lang.Object obj)
java.lang.String	getBaseIdentification()
ICache	getCache()
java.lang.String	getId()
MetaModel	getMetaModel()
abstract IStorageEngine	getStorageEngine()
ITmpCache	getTmpCache()
abstract ITransaction	getTransaction()
boolean	hasBeenCommitted() To indicate that session has already been committed once
boolean	isRollbacked()
void	removeObjectFromCache(java.lang.Object object)
void	rollback()
void	setBaseIdentification(java.lang.String baseIdentification)
abstract void	setFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi)
void	setHasBeenCommitted(boolean hasBeenCommitted)
void	setId(java.lang.String sessionId)
void	setMetaModel(MetaModel metaModel2)
java.lang.String	toString()
abstract boolean	transactionIsPending()

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Observer

update

Field Detail

id

public java.lang.String id

Constructor Detail

Session

public Session(java.lang.String id,
               java.lang.String baseIdentification)

Method Detail

buildCache

public abstract ICache buildCache()

buildTmpCache

public abstract ITmpCache buildTmpCache()

getCache

public ICache getCache()

Specified by:

getCache in interface ISession

getTmpCache

public ITmpCache getTmpCache()

Specified by:

getTmpCache in interface ISession

rollback

public void rollback()

Specified by:

rollback in interface ISession

close

public void close()

Specified by:

close in interface ISession

clearCache

public void clearCache()

Specified by:

clearCache in interface ISession

isRollbacked

public boolean isRollbacked()

Specified by:

isRollbacked in interface ISession

clear

public void clear()

Specified by:

clear in interface ISession

getId

public java.lang.String getId()

Specified by:

getId in interface ISession

setId

public void setId(java.lang.String sessionId)

Specified by:

setId in interface ISession

getStorageEngine

public abstract IStorageEngine getStorageEngine()

Specified by:

getStorageEngine in interface ISession

transactionIsPending

public abstract boolean transactionIsPending()

Specified by:

transactionIsPending in interface ISession

commit

public abstract void commit()

Specified by:

commit in interface ISession

getTransaction

public abstract ITransaction getTransaction()

Specified by:

getTransaction in interface ISession

setFileSystemInterfaceToApplyTransaction

public abstract void setFileSystemInterfaceToApplyTransaction(IFileSystemInterface fsi)

Specified by:

setFileSystemInterfaceToApplyTransaction in interface ISession

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

compareTo

public int compareTo(java.lang.Object o)

Specified by:

compareTo in interface java.lang.Comparable

getBaseIdentification

public java.lang.String getBaseIdentification()

Specified by:

getBaseIdentification in interface ISession

getMetaModel

public MetaModel getMetaModel()

Specified by:

getMetaModel in interface ISession

setMetaModel

public void setMetaModel(MetaModel metaModel2)

Specified by:

setMetaModel in interface ISession

setBaseIdentification

public void setBaseIdentification(java.lang.String baseIdentification)

removeObjectFromCache

public void removeObjectFromCache(java.lang.Object object)

Specified by:

removeObjectFromCache in interface ISession

addObjectToCache

public void addObjectToCache(OID oid,
                             java.lang.Object object,
                             ObjectInfoHeader oih)

Description copied from interface: ISession

Add these information on a session cache.

Specified by:

addObjectToCache in interface ISession

hasBeenCommitted

public boolean hasBeenCommitted()

Description copied from interface: ISession

To indicate that session has already been committed once

Specified by:

hasBeenCommitted in interface ISession

setHasBeenCommitted

public void setHasBeenCommitted(boolean hasBeenCommitted)

Specified by:

setHasBeenCommitted in interface ISession