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Java Object Document Mapper for MongoDB
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package org.mongodb.morphia.mapping.validation.classrules;
import org.mongodb.morphia.annotations.Id;
import org.mongodb.morphia.mapping.MappedClass;
import org.mongodb.morphia.mapping.MappedField;
import org.mongodb.morphia.mapping.Mapper;
import org.mongodb.morphia.mapping.validation.ClassConstraint;
import org.mongodb.morphia.mapping.validation.ConstraintViolation;
import org.mongodb.morphia.mapping.validation.ConstraintViolation.Level;
import java.util.List;
import java.util.Set;
/**
* @author Uwe Schaefer, ([email protected])
*/
public class MultipleId implements ClassConstraint {
@Override
public void check(final Mapper mapper, final MappedClass mc, final Set ve) {
final List idFields = mc.getFieldsAnnotatedWith(Id.class);
if (idFields.size() > 1) {
ve.add(new ConstraintViolation(Level.FATAL, mc, getClass(),
String.format("More than one @%s Field found (%s).",
Id.class.getSimpleName(),
new FieldEnumString(idFields))));
}
}
}