TemplateHashModel

All Superinterfaces:

TemplateModel

All Known Subinterfaces:

Scope, TemplateHashModelEx

All Known Implementing Classes:

AbstractScope, BaseScope, BlockScope, Configuration, Environment, IncludedTemplateNamespace, LoopContext, MacroContext, MacroInvocationBodyContext, SimpleHash, TemplateNamespace
```
public interface TemplateHashModel
extends TemplateModel
```
Hashes in a data model must implement this interface. Hashes are FreeMarker data objects that contain other objects through key-value mappings.

- Nested Class Summary
  - Nested classes/interfaces inherited from interface freemarker.template.TemplateModel
    TemplateModel.InvalidExpressionModel, TemplateModel.JavaNull
- Field Summary
  - Fields inherited from interface freemarker.template.TemplateModel
    INVALID_EXPRESSION, JAVA_NULL, NOTHING
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  TemplateModel get(String key)
  Gets a TemplateModel from the hash.
  
  boolean isEmpty()

- Method Detail
  - get
```
TemplateModel get(String key)
           throws TemplateModelException
```
    Gets a TemplateModel from the hash.
    
    Parameters:
    
    key - the name by which the TemplateModel is identified in the template.
    
    Returns:
    
    the TemplateModel referred to by the key, or null if not found.
    
    Throws:
    
    TemplateModelException
  - isEmpty
```
boolean isEmpty()
         throws TemplateModelException
```
    Throws:
    
    TemplateModelException