Package org.apache.commons.jexl3
Class MapContext
java.lang.Object
org.apache.commons.jexl3.MapContext
- All Implemented Interfaces:
- JexlContext
Wraps a map in a context.
 
Each entry in the map is considered a variable name, value pair.
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Nested Class SummaryNested classes/interfaces inherited from interface org.apache.commons.jexl3.JexlContextJexlContext.AnnotationProcessor, JexlContext.CancellationHandle, JexlContext.ClassNameResolver, JexlContext.ModuleProcessor, JexlContext.NamespaceFunctor, JexlContext.NamespaceResolver, JexlContext.OptionsHandle, JexlContext.PragmaProcessor, JexlContext.ThreadLocal
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Constructor SummaryConstructorsConstructorDescriptionCreates a MapContext on an automatically allocated underlying HashMap.MapContext(Map<String, Object> vars) Creates a MapContext wrapping an existing user provided map.
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Method Summary
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Constructor Details- 
MapContextpublic MapContext()Creates a MapContext on an automatically allocated underlying HashMap.
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MapContextCreates a MapContext wrapping an existing user provided map.- Parameters:
- vars- the variable map
 
 
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Method Details- 
clearClears all variables.
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getDescription copied from interface:JexlContextGets the value of a variable.- Specified by:
- getin interface- JexlContext
- Parameters:
- name- the variable's name
- Returns:
- the value
 
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hasDescription copied from interface:JexlContextChecks whether a variable is defined in this context.A variable may be defined with a null value; this method checks whether the value is null or if the variable is undefined. - Specified by:
- hasin interface- JexlContext
- Parameters:
- name- the variable's name
- Returns:
- true if it exists, false otherwise
 
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setDescription copied from interface:JexlContextSets the value of a variable.- Specified by:
- setin interface- JexlContext
- Parameters:
- name- the variable's name
- value- the variable's value
 
 
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