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CciDaoSupport (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.jca.cci.core.support
Class CciDaoSupport

java.lang.Object
  org.springframework.dao.support.DaoSupport
      org.springframework.jca.cci.core.support.CciDaoSupport

All Implemented Interfaces:

InitializingBean

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public abstract class CciDaoSupport
extends DaoSupport

Convenient super class for CCI-based data access objects.

Requires a ConnectionFactory to be set, providing a CciTemplate based on it to subclasses through the getCciTemplate() method.

This base class is mainly intended for CciTemplate usage but can also be used when working with a Connection directly or when using org.springframework.jca.cci.object classes.

Since:

1.2

Author:

Thierry Templier, Juergen Hoeller

See Also:

setConnectionFactory(javax.resource.cci.ConnectionFactory), getCciTemplate(), CciTemplate

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Field Summary

 

Fields inherited from class org.springframework.dao.support.DaoSupport
logger

 

Constructor Summary
CciDaoSupport()

 

Method Summary
protected  void	checkDaoConfig()           Abstract subclasses must override this to check their configuration.
protected  CciTemplate	createCciTemplate(ConnectionFactory connectionFactory)           Create a CciTemplate for the given ConnectionFactory.
CciTemplate	getCciTemplate()           Return the CciTemplate for this DAO, pre-initialized with the ConnectionFactory or set explicitly.
protected  CciTemplate	getCciTemplate(ConnectionSpec connectionSpec)           Obtain a CciTemplate derived from the main template instance, inheriting the ConnectionFactory and other settings but overriding the ConnectionSpec used for obtaining Connections.
protected  Connection	getConnection()           Get a CCI Connection, either from the current transaction or a new one.
ConnectionFactory	getConnectionFactory()           Return the ConnectionFactory used by this DAO.
protected  void	releaseConnection(Connection con)           Close the given CCI Connection, created via this bean's ConnectionFactory, if it isn't bound to the thread.
void	setCciTemplate(CciTemplate cciTemplate)           Set the CciTemplate for this DAO explicitly, as an alternative to specifying a ConnectionFactory.
void	setConnectionFactory(ConnectionFactory connectionFactory)           Set the ConnectionFactory to be used by this DAO.

 

Methods inherited from class org.springframework.dao.support.DaoSupport
afterPropertiesSet, initDao

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

CciDaoSupport

public CciDaoSupport()

Method Detail

setConnectionFactory

public final void setConnectionFactory(ConnectionFactory connectionFactory)

Set the ConnectionFactory to be used by this DAO.

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createCciTemplate

protected CciTemplate createCciTemplate(ConnectionFactory connectionFactory)

Create a CciTemplate for the given ConnectionFactory. Only invoked if populating the DAO with a ConnectionFactory reference!

Can be overridden in subclasses to provide a CciTemplate instance with different configuration, or a custom CciTemplate subclass.

Parameters:

connectionFactory - the CCI ConnectionFactory to create a CciTemplate for

Returns:

the new CciTemplate instance

See Also:

setConnectionFactory(javax.resource.cci.ConnectionFactory)

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getConnectionFactory

public final ConnectionFactory getConnectionFactory()

Return the ConnectionFactory used by this DAO.

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setCciTemplate

public final void setCciTemplate(CciTemplate cciTemplate)

Set the CciTemplate for this DAO explicitly, as an alternative to specifying a ConnectionFactory.

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getCciTemplate

public final CciTemplate getCciTemplate()

Return the CciTemplate for this DAO, pre-initialized with the ConnectionFactory or set explicitly.

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checkDaoConfig

protected final void checkDaoConfig()

Description copied from class: DaoSupport

Abstract subclasses must override this to check their configuration.

Implementors should be marked as final

Specified by:

checkDaoConfig in class DaoSupport

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getCciTemplate

protected final CciTemplate getCciTemplate(ConnectionSpec connectionSpec)

Obtain a CciTemplate derived from the main template instance, inheriting the ConnectionFactory and other settings but overriding the ConnectionSpec used for obtaining Connections.

Parameters:

connectionSpec - the CCI ConnectionSpec that the returned template instance is supposed to obtain Connections for

Returns:

the derived template instance

See Also:

CciTemplate.getDerivedTemplate(javax.resource.cci.ConnectionSpec)

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getConnection

protected final Connection getConnection()
                                  throws CannotGetCciConnectionException

Get a CCI Connection, either from the current transaction or a new one.

Returns:

the CCI Connection

Throws:

CannotGetCciConnectionException - if the attempt to get a Connection failed

See Also:

ConnectionFactoryUtils.getConnection(javax.resource.cci.ConnectionFactory)

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releaseConnection

protected final void releaseConnection(Connection con)

Close the given CCI Connection, created via this bean's ConnectionFactory, if it isn't bound to the thread.

Parameters:

con - Connection to close

See Also:

ConnectionFactoryUtils.releaseConnection(javax.resource.cci.Connection, javax.resource.cci.ConnectionFactory)

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