com.ibatis.dao.engine.impl
Class StandardDaoManager

java.lang.Object
  com.ibatis.dao.engine.impl.StandardDaoManager

All Implemented Interfaces:

DaoManager

public class StandardDaoManager

extends java.lang.Object

implements DaoManager

Field Summary

private java.lang.ThreadLocal	contextInTransactionList
private static java.lang.String	DAO_EXPLICIT_TX
private java.util.Map	daoImplMap
private java.util.Map	idContextMap
private java.lang.ThreadLocal	transactionMode
private java.util.Map	typeContextMap

Constructor Summary

StandardDaoManager()

Method Summary

void	addContext(DaoContext context)
void	addContextInTransaction(DaoContext ctx)
void	commitTransaction() Commits all transactions currently started for all DAO contexts managed by this DaoManager.
void	endTransaction() Ends all transactions currently started for all DAO contexts managed by this DaoManager.
private java.util.List	getContextInTransactionList()
Dao	getDao(java.lang.Class iface) Gets a Dao instance for the requested interface type.
Dao	getDao(java.lang.Class iface, java.lang.String contextId) Gets a Dao instance for the requested interface type registered under the context with the specified id.
DaoTransaction	getTransaction(Dao dao) Gets the transaction that the provided Dao is currently working under.
boolean	isExplicitTransaction()
void	startTransaction() Starts a transaction scope managed by this DaoManager.

Methods inherited from class java.lang.Object

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

Field Detail

DAO_EXPLICIT_TX

private static final java.lang.String DAO_EXPLICIT_TX

See Also:

Constant Field Values

transactionMode

private java.lang.ThreadLocal transactionMode

contextInTransactionList

private java.lang.ThreadLocal contextInTransactionList

idContextMap

private java.util.Map idContextMap

typeContextMap

private java.util.Map typeContextMap

daoImplMap

private java.util.Map daoImplMap

Constructor Detail

StandardDaoManager

public StandardDaoManager()

Method Detail

addContext

public void addContext(DaoContext context)

getDao

public Dao getDao(java.lang.Class iface)

Description copied from interface: DaoManager

Gets a Dao instance for the requested interface type.

Specified by:

getDao in interface DaoManager

Parameters:

iface - The interface or generic type for which an implementation should be returned.

Returns:

The Dao implementation instance.

getDao

public Dao getDao(java.lang.Class iface,
                  java.lang.String contextId)

Description copied from interface: DaoManager

Gets a Dao instance for the requested interface type registered under the context with the specified id.

Specified by:

getDao in interface DaoManager

Parameters:

iface - The interface or generic type for which an implementation should be returned.

contextId - The ID of the context under which to find the DAO implementation (use for multiple interface defs).

Returns:

The Dao implementation instance.

startTransaction

public void startTransaction()

Description copied from interface: DaoManager

Starts a transaction scope managed by this DaoManager. If this method isn't called, then all DAO methods use "autocommit" semantics.

Specified by:

startTransaction in interface DaoManager

commitTransaction

public void commitTransaction()

Description copied from interface: DaoManager

Commits all transactions currently started for all DAO contexts managed by this DaoManager.

Specified by:

commitTransaction in interface DaoManager

endTransaction

public void endTransaction()

Description copied from interface: DaoManager

Ends all transactions currently started for all DAO contexts managed by this DaoManager. If any transactions have not been successfully committed, then those remaining will be rolled back.

Specified by:

endTransaction in interface DaoManager

getTransaction

public DaoTransaction getTransaction(Dao dao)

Description copied from interface: DaoManager

Gets the transaction that the provided Dao is currently working under. If there is no current transaction in scope, one will be started.

Specified by:

getTransaction in interface DaoManager

Parameters:

dao - The Dao to find a transaction for.

Returns:

The Transaction under which the Dao provided is working under.

isExplicitTransaction

public boolean isExplicitTransaction()

addContextInTransaction

public void addContextInTransaction(DaoContext ctx)

getContextInTransactionList

private java.util.List getContextInTransactionList()