[android-developers] db4o SODA query with multiple Constraint

Hi all,

i have database of db4o, and i have to implemnt query according to 3-
values, and i want to get size of object.

like i have object of "Recipe- class" and Reicpe class having there
different ids, according to all ids i have to find number of objects
of "Recie"

form db.

can any one help me?i want to use SODA query for fast execusion.

i am trying to do like this, but not getting correct value,even compli
time error

public int getRecipeByMaching(int dishTypeID,int coockingMethodID,int
cuisineID)
{

Constraint distypeCon, coockingCon,cuisineCon;
Query query=oc.query();
query.constrain(Recipe.class);

distypeCon=query.descend("_dishTypeID").constrain(dishTypeID).equal();
query.constraints().and(distypeCon);

coockingCon=query.descend("_cookingMethodID").constrain(coockingMethodID).equal();
query.constraints().and(coockingCon);

cuisineCon=query.descend("_cuisineID").constrain(cuisineID).equal();
query.constraints().and(cuisineCon);

int noOfRecipe= query.size();
}

Regards

Imran ali

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