import org.apache.wicket.markup.repeater.util.ModelIteratorAdapter; //导入依赖的package包/类
@Override
protected Iterator<IModel<Var>> getItemModels() {
    model.detach(); // force reload
    ScriptContext context = model.getObject();
    if (context == null) {
        return Collections.emptyIterator();
    }
    ScriptValueMap map = model.getObject().getVars();
    List<Var> list = new ArrayList<>(map.size());
    for (String name : map.keySet()) {
        list.add(new Var(name, map.get(name)));
    }
    return new ModelIteratorAdapter<Var>(list) {
        @Override
        protected IModel<Var> model(Var var) {
            return new VarModel(model.getSessionId(), var.getName());
        }            
    };
}
 

import org.apache.wicket.markup.repeater.util.ModelIteratorAdapter; //导入依赖的package包/类
/**
 * Note: if you wish to override this, and overriding {@link #getModel(T)} is not enough, you're better off extending {@link RefreshingView} directly.
 */
@Override
protected final Iterator<IModel<T>> getItemModels() {
	C collection = getModelObject();
	if (collection == null) {
		return Collections.emptyIterator();
	}
	
	Collection<T> collectionWithoutTypeWildcard = Collections.unmodifiableCollection(getModelObject());
	return new ModelIteratorAdapter<T>(collectionWithoutTypeWildcard.iterator()) {
		@Override
		protected IModel<T> model(T object) {
			return AbstractGenericCollectionView.this.getItemModel(object);
		}
	};
}
 

import org.apache.wicket.markup.repeater.util.ModelIteratorAdapter; //导入依赖的package包/类
@Override
protected Iterator<IModel<FeatureState>> getItemModels()
{
    List<FeatureState> featureStates = getModelObject().getFeatureStates();

    return new ModelIteratorAdapter<FeatureState>(
        featureStates)
    {
        @Override
        protected IModel<FeatureState> model(FeatureState aObject)
        {
            return FeatureStateModel.of(getModel(), aObject);
        }
    };
}