freemarker.template

Interface TemplateCollectionModelEx

All Superinterfaces:

TemplateCollectionModel, TemplateModel

All Known Implementing Classes:

DefaultNonListCollectionAdapter

public interface TemplateCollectionModelEx
extends TemplateCollectionModel

"collection" template language data type: Adds size/emptiness querybility to TemplateCollectionModel. The added extra operations are provided by all Java Collection-s, and this interface was added to make that accessible for templates too.

Since:

2.3.22

Field Summary

Fields inherited from interface freemarker.template.TemplateModel

NOTHING

Method Summary

Modifier and Type	Method and Description
boolean	isEmpty() Returns if the collection contains any elements.
int	size() Returns the number items in this collection, or Integer.MAX_VALUE, if there are more than Integer.MAX_VALUE items.

Methods inherited from interface freemarker.template.TemplateCollectionModel

iterator

Method Detail

size

int size()
  throws TemplateModelException

Returns the number items in this collection, or Integer.MAX_VALUE, if there are more than Integer.MAX_VALUE items.

Throws:

TemplateModelException

isEmpty

boolean isEmpty()
         throws TemplateModelException

Returns if the collection contains any elements. This differs from size() != 0 only in that the exact number of items need not be calculated.

Throws:

TemplateModelException