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 |
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MapContext()
Creates a MapContext on an automatically allocated underlying HashMap.
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MapContext(Map<String,Object> vars)
Creates a MapContext wrapping an existing user provided map.
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| Modifier and Type | Method and Description |
|---|---|
void |
clear()
Clears all variables.
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Object |
get(String name)
Gets the value of a variable.
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boolean |
has(String name)
Checks whether a variable is defined in this context.
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void |
set(String name,
Object value)
Sets the value of a variable.
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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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