org.apache.ojb.broker.accesslayer

Class QueryCustomizerDefaultImpl

java.lang.Object

org.apache.ojb.broker.accesslayer.QueryCustomizerDefaultImpl

All Implemented Interfaces:

java.io.Serializable, QueryCustomizer, AttributeContainer

public class QueryCustomizerDefaultImpl
extends java.lang.Object
implements QueryCustomizer

Default Implementation of QueryCustomizer.

Version:

$Id: QueryCustomizerDefaultImpl.java 365232 2005-12-21 22:36:07Z tomdz $

Author:

Jakob Braeuchi

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
QueryCustomizerDefaultImpl() Default Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	addAttribute(java.lang.String attributeName, java.lang.String attributeValue) Store the specified attribute and it's value.
Query	customizeQuery(java.lang.Object anObject, PersistenceBroker aBroker, CollectionDescriptor aCod, QueryByCriteria aQuery) Default implementation returns unmodified original Query
java.lang.String	getAttribute(java.lang.String attributeName) Get the value of an attribute
java.lang.String	getAttribute(java.lang.String attributeName, java.lang.String defaultValue) Get the value of an attribute

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryCustomizerDefaultImpl

public QueryCustomizerDefaultImpl()

Default Constructor

Method Detail

customizeQuery

public Query customizeQuery(java.lang.Object anObject,
                   PersistenceBroker aBroker,
                   CollectionDescriptor aCod,
                   QueryByCriteria aQuery)

Default implementation returns unmodified original Query

Specified by:

customizeQuery in interface QueryCustomizer

Parameters:

anObject - the originator object

aBroker - the PersistenceBroker

aCod - the CollectionDescriptor

aQuery - the original 1:n-Query

Returns:

Query the customized 1:n-Query, return null to skip execution of the query

See Also:

QueryCustomizer.customizeQuery(java.lang.Object, org.apache.ojb.broker.PersistenceBroker, org.apache.ojb.broker.metadata.CollectionDescriptor, org.apache.ojb.broker.query.QueryByCriteria)

addAttribute

public void addAttribute(java.lang.String attributeName,
                java.lang.String attributeValue)

Description copied from interface: AttributeContainer

Store the specified attribute and it's value.

Specified by:

addAttribute in interface AttributeContainer

Parameters:

attributeName - the name of the attribute to retrieve

attributeValue - the attribute's value

See Also:

AttributeContainer.addAttribute(String, String)

getAttribute

public java.lang.String getAttribute(java.lang.String attributeName,
                            java.lang.String defaultValue)

Description copied from interface: AttributeContainer

Get the value of an attribute

Specified by:

getAttribute in interface AttributeContainer

Parameters:

attributeName - the attribute to retrieve

defaultValue - the value to return if the attribute is not present

Returns:

the attribute value

getAttribute

public java.lang.String getAttribute(java.lang.String attributeName)

Description copied from interface: AttributeContainer

Get the value of an attribute

Specified by:

getAttribute in interface AttributeContainer

Parameters:

attributeName - the attribute to retrieve

Returns:

the attribute value