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Posted to ojb-user@db.apache.org by Vinicius Bomfim <vi...@globo.com> on 2003/07/11 02:44:39 UTC
RES: Query Customizers
Hi All,
Is there any one with a Query Customizer example ?
Thanks,
Vinicius Bomfim
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Re: RES: RES: Query Customizers
Posted by Thomas Cornet <th...@cornet.name>.
You mean, when you load an object ? If so, take a look at proxies...
At 21:15 11/07/2003, you wrote:
>Thanks a lot.
>It?s working fine.
>
>Do you know how can i choose to load or not a collection ?
>
>Thanks again,
>Vinicius Bomfim
>
>-----Mensagem original-----
>De: Thomas Cornet [mailto:thomas@cornet.name]
>Enviada em: sexta-feira, 11 de julho de 2003 02:41
>Para: OJB Users List
>Assunto: Re: RES: Query Customizers
>
>
>
> Here is one I've made, quite a basic one, which just adds 'equal'
>criterias.
>
> Thomas
>
>*** ========= repository.xml ============== ***
>
> <collection-descriptor
> name="sortsAttaque"
> element-class-ref="net.aejase.avatar.MobSort"
> proxy="true"
> >
> <inverse-foreignkey field-ref="mobId"/>
>
> <query-customizer
>class="net.aejase.ojb.AejaseQueryCustomizer">
> <attribute attribute-name="cible"
>attribute-value="1" />
> </query-customizer>
> </collection-descriptor>
>
>
>*** =================================== ***
>
>/*
> * Created on 29 juin 2003
> *
> */
>package net.aejase.ojb;
>
>import java.util.HashMap;
>import java.util.Iterator;
>
>import org.apache.ojb.broker.PersistenceBroker;
>import org.apache.ojb.broker.accesslayer.QueryCustomizer;
>import org.apache.ojb.broker.metadata.CollectionDescriptor;
>import org.apache.ojb.broker.query.Criteria;
>import org.apache.ojb.broker.query.Query;
>import org.apache.ojb.broker.query.QueryByCriteria;
>
>/**
> *
> *
> * @author
> */
>public class AejaseQueryCustomizer implements QueryCustomizer
>{
> private HashMap map = null;
>
> /**
> *
> */
> public AejaseQueryCustomizer()
> {
> map = new HashMap();
> }
>
> /* (non-Javadoc)
> * @see
>org.apache.ojb.broker.accesslayer.QueryCustomizer#customizeQuery(java.lang.O
>bject,
>org.apache.ojb.broker.PersistenceBroker,
>org.apache.ojb.broker.metadata.CollectionDescriptor,
>org.apache.ojb.broker.query.QueryByCriteria)
> */
> public Query customizeQuery(
> Object arg0,
> PersistenceBroker arg1,
> CollectionDescriptor arg2,
> QueryByCriteria query)
> {
> String tmp;
>
> Criteria c = query.getCriteria();
> Iterator i = map.keySet().iterator();
>
> while (i.hasNext())
> {
> tmp = (String)i.next();
> c.addEqualTo(tmp, this.getAttribute(tmp));
> }
>
> return query;
> }
>
> /* (non-Javadoc)
> * @see
>org.apache.ojb.broker.metadata.AttributeContainer#addAttribute(java.lang.Str
>ing,
>java.lang.String)
> */
> public void addAttribute(String arg0, String arg1)
> {
> map.put(arg0, arg1);
>
> }
>
> /* (non-Javadoc)
> * @see
>org.apache.ojb.broker.metadata.AttributeContainer#getAttribute(java.lang.Str
>ing,
>java.lang.String)
> */
> public String getAttribute(String arg0, String arg1)
> {
> if (map.containsKey(arg0))
> return (String)map.get(arg0);
>
> return arg1;
> }
>
> /* (non-Javadoc)
> * @see
>org.apache.ojb.broker.metadata.AttributeContainer#getAttribute(java.lang.Str
>ing)
> */
> public String getAttribute(String arg0)
> {
> return (String)map.get(arg0);
> }
>
>}
>
>*** ================================================== ***
>
>
>At 02:44 11/07/2003, you wrote:
> >Hi All,
> >
> > Is there any one with a Query Customizer example ?
> >
> >Thanks,
> >Vinicius Bomfim
> >
> >---------------------------------------------------------------------
> >To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
> >For additional commands, e-mail: ojb-user-help@db.apache.org
>
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
>For additional commands, e-mail: ojb-user-help@db.apache.org
>
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
>For additional commands, e-mail: ojb-user-help@db.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
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RES: RES: Query Customizers
Posted by Vinicius Bomfim <vi...@globo.com>.
Thanks a lot.
It?s working fine.
Do you know how can i choose to load or not a collection ?
Thanks again,
Vinicius Bomfim
-----Mensagem original-----
De: Thomas Cornet [mailto:thomas@cornet.name]
Enviada em: sexta-feira, 11 de julho de 2003 02:41
Para: OJB Users List
Assunto: Re: RES: Query Customizers
Here is one I've made, quite a basic one, which just adds 'equal'
criterias.
Thomas
*** ========= repository.xml ============== ***
<collection-descriptor
name="sortsAttaque"
element-class-ref="net.aejase.avatar.MobSort"
proxy="true"
>
<inverse-foreignkey field-ref="mobId"/>
<query-customizer
class="net.aejase.ojb.AejaseQueryCustomizer">
<attribute attribute-name="cible"
attribute-value="1" />
</query-customizer>
</collection-descriptor>
*** =================================== ***
/*
* Created on 29 juin 2003
*
*/
package net.aejase.ojb;
import java.util.HashMap;
import java.util.Iterator;
import org.apache.ojb.broker.PersistenceBroker;
import org.apache.ojb.broker.accesslayer.QueryCustomizer;
import org.apache.ojb.broker.metadata.CollectionDescriptor;
import org.apache.ojb.broker.query.Criteria;
import org.apache.ojb.broker.query.Query;
import org.apache.ojb.broker.query.QueryByCriteria;
/**
*
*
* @author
*/
public class AejaseQueryCustomizer implements QueryCustomizer
{
private HashMap map = null;
/**
*
*/
public AejaseQueryCustomizer()
{
map = new HashMap();
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.accesslayer.QueryCustomizer#customizeQuery(java.lang.O
bject,
org.apache.ojb.broker.PersistenceBroker,
org.apache.ojb.broker.metadata.CollectionDescriptor,
org.apache.ojb.broker.query.QueryByCriteria)
*/
public Query customizeQuery(
Object arg0,
PersistenceBroker arg1,
CollectionDescriptor arg2,
QueryByCriteria query)
{
String tmp;
Criteria c = query.getCriteria();
Iterator i = map.keySet().iterator();
while (i.hasNext())
{
tmp = (String)i.next();
c.addEqualTo(tmp, this.getAttribute(tmp));
}
return query;
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.metadata.AttributeContainer#addAttribute(java.lang.Str
ing,
java.lang.String)
*/
public void addAttribute(String arg0, String arg1)
{
map.put(arg0, arg1);
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.metadata.AttributeContainer#getAttribute(java.lang.Str
ing,
java.lang.String)
*/
public String getAttribute(String arg0, String arg1)
{
if (map.containsKey(arg0))
return (String)map.get(arg0);
return arg1;
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.metadata.AttributeContainer#getAttribute(java.lang.Str
ing)
*/
public String getAttribute(String arg0)
{
return (String)map.get(arg0);
}
}
*** ================================================== ***
At 02:44 11/07/2003, you wrote:
>Hi All,
>
> Is there any one with a Query Customizer example ?
>
>Thanks,
>Vinicius Bomfim
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
>For additional commands, e-mail: ojb-user-help@db.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
For additional commands, e-mail: ojb-user-help@db.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
For additional commands, e-mail: ojb-user-help@db.apache.org
Re: RES: Query Customizers
Posted by Thomas Cornet <th...@cornet.name>.
Here is one I've made, quite a basic one, which just adds 'equal'
criterias.
Thomas
*** ========= repository.xml ============== ***
<collection-descriptor
name="sortsAttaque"
element-class-ref="net.aejase.avatar.MobSort"
proxy="true"
>
<inverse-foreignkey field-ref="mobId"/>
<query-customizer
class="net.aejase.ojb.AejaseQueryCustomizer">
<attribute attribute-name="cible"
attribute-value="1" />
</query-customizer>
</collection-descriptor>
*** =================================== ***
/*
* Created on 29 juin 2003
*
*/
package net.aejase.ojb;
import java.util.HashMap;
import java.util.Iterator;
import org.apache.ojb.broker.PersistenceBroker;
import org.apache.ojb.broker.accesslayer.QueryCustomizer;
import org.apache.ojb.broker.metadata.CollectionDescriptor;
import org.apache.ojb.broker.query.Criteria;
import org.apache.ojb.broker.query.Query;
import org.apache.ojb.broker.query.QueryByCriteria;
/**
*
*
* @author
*/
public class AejaseQueryCustomizer implements QueryCustomizer
{
private HashMap map = null;
/**
*
*/
public AejaseQueryCustomizer()
{
map = new HashMap();
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.accesslayer.QueryCustomizer#customizeQuery(java.lang.Object,
org.apache.ojb.broker.PersistenceBroker,
org.apache.ojb.broker.metadata.CollectionDescriptor,
org.apache.ojb.broker.query.QueryByCriteria)
*/
public Query customizeQuery(
Object arg0,
PersistenceBroker arg1,
CollectionDescriptor arg2,
QueryByCriteria query)
{
String tmp;
Criteria c = query.getCriteria();
Iterator i = map.keySet().iterator();
while (i.hasNext())
{
tmp = (String)i.next();
c.addEqualTo(tmp, this.getAttribute(tmp));
}
return query;
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.metadata.AttributeContainer#addAttribute(java.lang.String,
java.lang.String)
*/
public void addAttribute(String arg0, String arg1)
{
map.put(arg0, arg1);
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.metadata.AttributeContainer#getAttribute(java.lang.String,
java.lang.String)
*/
public String getAttribute(String arg0, String arg1)
{
if (map.containsKey(arg0))
return (String)map.get(arg0);
return arg1;
}
/* (non-Javadoc)
* @see
org.apache.ojb.broker.metadata.AttributeContainer#getAttribute(java.lang.String)
*/
public String getAttribute(String arg0)
{
return (String)map.get(arg0);
}
}
*** ================================================== ***
At 02:44 11/07/2003, you wrote:
>Hi All,
>
> Is there any one with a Query Customizer example ?
>
>Thanks,
>Vinicius Bomfim
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
>For additional commands, e-mail: ojb-user-help@db.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
For additional commands, e-mail: ojb-user-help@db.apache.org