public class MapContext extends Object implements JexlContext
Each entry in the map is considered a variable name, value pair.
JexlContext.AnnotationProcessor, JexlContext.CancellationHandle, JexlContext.NamespaceFunctor, JexlContext.NamespaceResolver, JexlContext.OptionsHandle, JexlContext.PragmaProcessor, JexlContext.ThreadLocal| Constructor and Description | 
|---|
| MapContext()Creates a MapContext on an automatically allocated underlying HashMap. | 
| MapContext(Map<String,Object> vars)Creates a MapContext wrapping an existing user provided map. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | clear()Clears all variables. | 
| Object | get(String name)Gets the value of a variable. | 
| boolean | has(String name)Checks whether a variable is defined in this context. | 
| void | set(String name,
   Object value)Sets the value of a variable. | 
public MapContext()
public boolean has(String name)
JexlContextA variable may be defined with a null value; this method checks whether the value is null or if the variable is undefined.
has in interface JexlContextname - the variable's namepublic Object get(String name)
JexlContextget in interface JexlContextname - the variable's namepublic void set(String name, Object value)
JexlContextset in interface JexlContextname - the variable's namevalue - the variable's valuepublic void clear()
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