Example usage for org.hibernate.mapping ToOne isNullable

Introduction

In this page you can find the example usage for org.hibernate.mapping ToOne isNullable.

Prototype

public boolean isNullable() 

Source Link

Usage

From source file:org.wintersleep.codeviz.uml.model.HibernateModelFactory.java

License:Apache License

private void addRelations(CodeModel model) throws ClassNotFoundException {
    Iterator<PersistentClass> pci = configuration.getClassMappings();
    while (pci.hasNext()) {
        PersistentClass persistentClass = pci.next();
        final ModelClass mc = model.findModelClass(persistentClass.getMappedClass());
        Iterator<Property> pi = persistentClass.getPropertyIterator();
        while (pi.hasNext()) {
            Property property = pi.next();
            System.out.println(property);
            Value value = property.getValue();
            if (value instanceof ToOne) {
                ToOne toOne = (ToOne) value;
                ModelClass toClass = model.findModelClass(Class.forName(toOne.getReferencedEntityName()));
                RelationEndpoint fromEndpoint = new RelationEndpoint(mc, property.getName());
                fromEndpoint.setMinCardinality(toOne.isNullable() ? 0 : 1);
                RelationEndpoint toEndpoint = new RelationEndpoint(toClass, toOne.getReferencedPropertyName());
                toEndpoint.setMinCardinality(0);
                toEndpoint.setMaxCardinality(RelationEndpoint.MANY_CARDINALITY);
                if (value instanceof OneToOne) {
                    fromEndpoint.setMaxCardinality(1);
                } else if (value instanceof ManyToOne) {
                    fromEndpoint.setMaxCardinality(1);
                }//w w w  .  j  av  a2s  . c o m
                mc.addRelationTo(fromEndpoint, toEndpoint);
            } else if (value instanceof OneToMany) {
                OneToMany oneToMany = (OneToMany) value;
                oneToMany.getAssociatedClass();
                ModelClass toClass = model.findModelClass(oneToMany.getAssociatedClass().getMappedClass());
                RelationEndpoint fromEndpoint = new RelationEndpoint(mc, property.getName());
                fromEndpoint.setMinCardinality(0);
                fromEndpoint.setMaxCardinality(RelationEndpoint.MANY_CARDINALITY);
                RelationEndpoint toEndpoint = new RelationEndpoint(toClass, "TODO other");
                toEndpoint.setMinCardinality(oneToMany.isNullable() ? 0 : 1);
                toEndpoint.setMaxCardinality(1);
                mc.addRelationTo(fromEndpoint, toEndpoint);
            }
        }
    }
}

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