Hi All,
I have two mysql tables, Account(id, name, paymentTypeId) and Payment
Type(paymentTypeId, name) where Account has a foreign key to
PaymentType. I put together a mapping file for this (see C.) below).
When I build an OQL Query in my main program ( see A. below), it fails
in the ParseTreeWalker Constuctor call to checkErrors(). I traced the
error into the LockEngine function getClassMolder(). If I just comment
out the line if( !Molder.isDependent ) (see B. below) my program works
fine. If not then I get the error:
[Test] org.exolab.castor.jdo.QueryException: Could not find mapping for
class com.rock.app.billdemo.Account
Am I mot doing the mappings correctly?
Cheers,
Steve Rock
-------------
A.) [Code that gets executed in main class]
// Fails in this function
accountOql = db.getOQLQuery( "SELECT f FROM
com.rock.app.billdemo.Account f" );
results = accountOql.execute();
while ( results.hasMore() ) {
account = (Account) results.next();
writer.println( "Found Account: " + account );
}
-------------
B.) [LockEngine function that I have to modify to get this to work fine]
public ClassMolder getClassMolder( Class cls ) {
TypeInfo info = (TypeInfo)_typeInfo.get( cls.getName() );
if ( info != null ) {
// If I comment out the line below it works fine
if ( !info.molder.isDependent() )
return info.molder;
}
return null;
}
-------------
C.) [Mappings file into a mysql database]
<!-- Mapping for PaymentType -->
<class name="com.rock.app.billdemo.PaymentType"
identity="id" key-generator="IDENTITY">
<description>Payment types that are used to make bill payments
Examples include cash, credit card, check, money order.
</description>
<map-to table="payment_type" xml="payment_type" />
<field name="id" type="integer">
<sql name="payment_type_id" type="integer"/>
<xml/>
</field>
<field name="name" type="string">
<sql name="name" type="char"/>
<xml node="element" />
</field>
</class>
<!-- Mapping for Account -->
<class name="com.rock.app.billdemo.Account" identity="id"
depends="com.rock.app.billdemo.PaymentType" key-generator="IDENTITY">
<description>Product detail</description>
<map-to table="account" xml="account" />
<field name="id" type="integer">
<sql name="account_id" type="integer"/>
<xml node="attribute"/>
</field>
<field name="paymentType" type="com.rock.app.billdemo.PaymentType">
<sql name="payment_type_id" />
<xml name="paymentType" node="element" />
</field>
<field name="name" type="string">
<sql name="name" type="char"/>
<xml node="text" />
</field>
</class>
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