MoyaDescriptorCustomizer.java
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package fi.codecrew.moya.database;
import java.util.List;
import org.eclipse.persistence.config.DescriptorCustomizer;
import org.eclipse.persistence.descriptors.ChangedFieldsLockingPolicy;
import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.descriptors.ReturningPolicy;
import org.eclipse.persistence.internal.helper.DatabaseField;
public class MoyaDescriptorCustomizer implements DescriptorCustomizer {
@Override
public void customize(ClassDescriptor descriptor) throws Exception {
// Optimistic locking policy
ChangedFieldsLockingPolicy changedFieldsLockingPolicy = new ChangedFieldsLockingPolicy();
descriptor.setOptimisticLockingPolicy(changedFieldsLockingPolicy);
// Returningpolicy
ReturningPolicy returningPolicy = new ReturningPolicy();
List<DatabaseField> pkFields = descriptor.getPrimaryKeyFields();
for (final DatabaseField field : pkFields) {
returningPolicy.addFieldForInsertReturnOnly(field);
field.setUpdatable(false);
field.setInsertable(false);
}
for (final DatabaseField field : descriptor.getFields()) {
if (pkFields.contains(field))
continue;
returningPolicy.addFieldForInsert(field);
returningPolicy.addFieldForUpdate(field);
}
descriptor.setReturningPolicy(returningPolicy);
}
}