Package net.ontopia.persistence.proxy

Class ROTransaction

java.lang.Object

net.ontopia.persistence.proxy.AbstractTransaction

net.ontopia.persistence.proxy.ROTransaction

All Implemented Interfaces:

TransactionIF

public class ROTransaction
extends AbstractTransaction

INTERNAL: The read-only proxy transaction implementation.

Field Summary

Fields inherited from class net.ontopia.persistence.proxy.AbstractTransaction

access, debug, id, identity_map, isaborted, isactive, isclosed, lru, lrusize, mapping, oaccess, querymap, registrar, timestamp, txncache

Constructor Summary

Constructors

Constructor	Description
ROTransaction(StorageAccessIF access)

Method Summary

Modifier and Type	Method	Description
void	assignIdentity(PersistentIF object)
void	create(PersistentIF object)	INTERNAL: Registers the object with the transaction and marks it for creation in the data repository.
void	delete(PersistentIF object)	INTERNAL: Unregisters the object with the transaction and marks it for deletion in the data repository.
void	flush()	INTERNAL: Stores all pending changes in the data repository.
boolean	isClean()	INTERNAL: Returns true the transaction is clean, i.e. no changes have been made.
boolean	isObjectClean(IdentityIF identity)
boolean	isReadOnly()	INTERNAL: Returns true if this is a read-only transaction.
void	objectCreated(PersistentIF object)
void	objectDeleted(PersistentIF object)
void	objectDirty(PersistentIF object)	INTERNAL: Called by PersistentIFs when the object's data has changed.
void	objectRead(IdentityIF identity)
protected void	transactionPostAbort()
protected void	transactionPostCommit()
protected void	transactionPreAbort()
protected void	transactionPreCommit()

Methods inherited from class net.ontopia.persistence.proxy.AbstractTransaction

_getObject, abort, begin, checkIdentityMap, checkIdentityMapAndCreateInstance, checkIdentityMapNoLRU, close, commit, createInstance, createQuery, executeQuery, extractFieldValues, extractNonDirty, getAccessRegistrar, getId, getObject, getObject, getObjectAccess, getQuery, getStorageAccess, isActive, isFieldLoaded, isObjectLoaded, loadField, objectMerged, prefetch, prefetch, registerQuery, removeIdentityMapNoLRU, toString, validate, writeIdentityMap

Methods inherited from class java.lang.Object

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

Constructor Details

ROTransaction

public ROTransaction(StorageAccessIF access)

Method Details

isClean

public boolean isClean()

Description copied from interface: TransactionIF

INTERNAL: Returns true the transaction is clean, i.e. no changes have been made.

isReadOnly

public boolean isReadOnly()

Description copied from interface: TransactionIF

INTERNAL: Returns true if this is a read-only transaction.

assignIdentity

public void assignIdentity(PersistentIF object)

create

public void create(PersistentIF object)

Description copied from interface: TransactionIF

INTERNAL: Registers the object with the transaction and marks it for creation in the data repository.

delete

public void delete(PersistentIF object)

Description copied from interface: TransactionIF

INTERNAL: Unregisters the object with the transaction and marks it for deletion in the data repository.

flush

public void flush()

Description copied from interface: TransactionIF

INTERNAL: Stores all pending changes in the data repository. Note that the transaction is not commited.

Specified by:

flush in interface TransactionIF

Specified by:

flush in class AbstractTransaction

objectDirty

public void objectDirty(PersistentIF object)

Description copied from interface: TransactionIF

INTERNAL: Called by PersistentIFs when the object's data has changed.

objectRead

public void objectRead(IdentityIF identity)

objectCreated

public void objectCreated(PersistentIF object)

objectDeleted

public void objectDeleted(PersistentIF object)

isObjectClean

public boolean isObjectClean(IdentityIF identity)

transactionPreCommit

protected void transactionPreCommit()

Specified by:

transactionPreCommit in class AbstractTransaction

transactionPostCommit

protected void transactionPostCommit()

Specified by:

transactionPostCommit in class AbstractTransaction

transactionPreAbort

protected void transactionPreAbort()

Specified by:

transactionPreAbort in class AbstractTransaction

transactionPostAbort

protected void transactionPostAbort()

Specified by:

transactionPostAbort in class AbstractTransaction