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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.Embedded;
import org.mongodb.morphia.annotations.Entity;
import org.mongodb.morphia.mapping.MappedClass;
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.Set;


/**
 * @author Uwe Schaefer, ([email protected])
 */
public class EntityAndEmbed implements ClassConstraint {

    @Override
    public void check(final Mapper mapper, final MappedClass mc, final Set ve) {

        if (mc.getEntityAnnotation() != null && mc.getEmbeddedAnnotation() != null) {
            new ConstraintViolation(Level.FATAL, mc, getClass(),
                                    "Cannot have both @" + Entity.class.getSimpleName() + " and @" + Embedded.class.getSimpleName()
                                    + " annotation at class level.");
        }

    }
}