org.mongodb.morphia.mapping.validation.fieldrules.ReferenceToUnidentifiable Maven / Gradle / Ivy
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Java Object Document Mapper for MongoDB
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package org.mongodb.morphia.mapping.validation.fieldrules;
import org.mongodb.morphia.annotations.Id;
import org.mongodb.morphia.annotations.Reference;
import org.mongodb.morphia.mapping.MappedClass;
import org.mongodb.morphia.mapping.MappedField;
import org.mongodb.morphia.mapping.Mapper;
import org.mongodb.morphia.mapping.MappingException;
import org.mongodb.morphia.mapping.validation.ConstraintViolation;
import org.mongodb.morphia.mapping.validation.ConstraintViolation.Level;
import java.util.Set;
/**
* @author Uwe Schaefer, ([email protected])
*/
public class ReferenceToUnidentifiable extends FieldConstraint {
@Override
protected void check(final Mapper mapper, final MappedClass mc, final MappedField mf, final Set ve) {
if (mf.hasAnnotation(Reference.class)) {
final Class realType = (mf.isSingleValue()) ? mf.getType() : mf.getSubClass();
if (realType == null) {
throw new MappingException("Type is null for this MappedField: " + mf);
}
if ((!realType.isInterface() && mapper.getMappedClass(realType).getIdField() == null)) {
ve.add(new ConstraintViolation(Level.FATAL, mc, mf, getClass(),
mf.getFullName() + " is annotated as a @" + Reference.class.getSimpleName() + " but the "
+ mf.getType().getName()
+ " class is missing the @" + Id.class.getSimpleName() + " annotation"));
}
}
}
}