public RuntimeStrategyInstaller(MappingRepository repos) 
{
            
        super(repos);
}

Constructor; supply configuration.

 public  void installStrategy(ClassMapping cls) 
{
        if ((cls.getSourceMode() & cls.MODE_MAPPING) == 0)
            throw new MetaDataException(_loc.get("no-mapping", cls));
        ClassStrategy strat = repos.namedStrategy(cls);
        if (strat == null)
            strat = repos.defaultStrategy(cls, false);
        cls.setStrategy(strat, Boolean.FALSE);
}

 public  void installStrategy(FieldMapping field) 
{
        FieldStrategy strategy = repos.namedStrategy(field, true);
        if (strategy == null) {
            try {
                strategy = repos.defaultStrategy(field, true, false);
            } catch (MetaDataException mde) {
                // if the parent class is abstract and field is unmapped,
                // allow it to pass (assume subclasses map the field)
                Class cls = field.getDefiningMetaData().getDescribedType();
                if (!Modifier.isAbstract(cls.getModifiers())
                    || field.getMappedBy() != null
                    || field.getMappingInfo().hasSchemaComponents()
                    || field.getValueInfo().hasSchemaComponents()
                    || field.getElementMapping().getValueInfo().
                    hasSchemaComponents()
                    || field.getKeyMapping().getValueInfo().
                    hasSchemaComponents())
                    throw mde;
                strategy = NoneFieldStrategy.getInstance();
            }
        }
        field.setStrategy(strategy, Boolean.FALSE);
}

 public  void installStrategy(Version version) 
{
        VersionStrategy strat = repos.namedStrategy(version);
        if (strat == null)
            strat = repos.defaultStrategy(version, false);
        version.setStrategy(strat, Boolean.FALSE);
}

 public  void installStrategy(Discriminator discrim) 
{
        DiscriminatorStrategy strat = repos.namedStrategy(discrim);
        if (strat == null)
            strat = repos.defaultStrategy(discrim, false);
        discrim.setStrategy(strat, Boolean.FALSE);
}