?（1）通過代碼
???????
List?list
=
session.createQuery(
"
from?Programer
"
).list();
????????
????????
for
(Iterator?iter
=
list.iterator();iter.hasNext();)
????????
{
???????????Programer?p
=
(Programer)iter.next();
???????????Collection?pcs
=
session.createFilter(p.getComputers(),?
"
where?this.id>'3'
"
).list();
???????????
???????????
for
(Iterator?iter1
=
pcs.iterator();iter1.hasNext();)
{
???????????????Computer?c
=
(Computer)iter1.next();
???????????????System.out.println(c.getName());
???????????}
??????????
}
??????
<
set?name
=
"
computers
"
?cascade
=
"
save-update
"
?lazy
=
"
true
"
>
????????????
<
key
>
????????????????
<
column?name
=
"
programer_id
"
?length
=
"
50
"
?
/>
????????????
</
key
>
????????????
<
one
-
to
-
many?
class
=
"
com.Computer
"
?
/>
????????????
<
filter?name
=
"
idFilter
"
?condition
=
"
id>:idStr
"
></
filter
>
????????
</
set
>
????
</
class
>
????
<
filter
-
def?name
=
"
idFilter
"
>
???????
<
filter
-
param?name
=
"
idStr
"
?type
=
"
string
"
/>
????
</
filter
-
def
>
List?list
=
session.createQuery(
"
from?Programer
"
).list();
????????
????????
for
(Iterator?iter
=
list.iterator();iter.hasNext();)
????????
{
???????????Programer?p
=
(Programer)iter.next();
???????????Filter?filter
=
session.enableFilter(
"
idFilter
"
);
???????????filter.setParameter(
"
idStr
"
,?
"
3
"
);
???????????
for
(Iterator?iter1
=
p.getComputers().iterator();iter1.hasNext();)
{
???????????????Computer?c
=
(Computer)iter1.next();
???????????????System.out.println(c.getName());
???????????}
??????????
????????}
???????
List?list
=
session.createQuery(
"
from?Programer
"
).list();
????????
????????
for
(Iterator?iter
=
list.iterator();iter.hasNext();)
????????
{
????????
???????????Programer?p
=
(Programer)iter.next();
???????????Collection?pcs
=
session.createFilter(p.getComputers(),?
"
where?this.id>'3'
"
).list();
???????????
???????????
for
(Iterator?iter1
=
pcs.iterator();iter1.hasNext();)
{
???????????
???????????????Computer?c
=
(Computer)iter1.next();
???????????????System.out.println(c.getName());
???????????}
??????????
}
?
（2）通過HBM文件
??? 注意，必須設(shè)置lazy="true" 否則hibernate會預(yù)先加載computer數(shù)據(jù)，達不到過濾器再過濾的效果
??????
<
set?name
=
"
computers
"
?cascade
=
"
save-update
"
?lazy
=
"
true
"
>
????????????
<
key
>
????????????????
<
column?name
=
"
programer_id
"
?length
=
"
50
"
?
/>
????????????
</
key
>
????????????
<
one
-
to
-
many?
class
=
"
com.Computer
"
?
/>
????????????
<
filter?name
=
"
idFilter
"
?condition
=
"
id>:idStr
"
></
filter
>
????????
</
set
>
????
</
class
>
????
<
filter
-
def?name
=
"
idFilter
"
>
???????
<
filter
-
param?name
=
"
idStr
"
?type
=
"
string
"
/>
????
</
filter
-
def
>
?
調(diào)用過濾器代碼
?
List?list
=
session.createQuery(
"
from?Programer
"
).list();
????????
????????
for
(Iterator?iter
=
list.iterator();iter.hasNext();)
????????
{
???????????Programer?p
=
(Programer)iter.next();
???????????Filter?filter
=
session.enableFilter(
"
idFilter
"
);
???????????filter.setParameter(
"
idStr
"
,?
"
3
"
);
???????????
for
(Iterator?iter1
=
p.getComputers().iterator();iter1.hasNext();)
{
???????????????Computer?c
=
(Computer)iter1.next();
???????????????System.out.println(c.getName());
???????????}
??????????
????????}
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