Package org.apache.commons.jexl2
Class ObjectContext<T>
- java.lang.Object
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- org.apache.commons.jexl2.ObjectContext<T>
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- Type Parameters:
T
- the wrapped object type to use
- All Implemented Interfaces:
JexlContext
public class ObjectContext<T> extends java.lang.Object implements JexlContext
Wraps an Object as a Jexl context.- Since:
- 2.1
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Constructor Summary
Constructors Constructor Description ObjectContext(JexlEngine engine, T wrapped)
Creates a new ObjectContext.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
get(java.lang.String name)
Gets the value of a variable.boolean
has(java.lang.String name)
Checks whether a variable is defined in this context.void
set(java.lang.String name, java.lang.Object value)
Sets the value of a variable.
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Constructor Detail
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ObjectContext
public ObjectContext(JexlEngine engine, T wrapped)
Creates a new ObjectContext.- Parameters:
engine
- the jexl engine to use to solve propertieswrapped
- the object to wrap in this context
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Method Detail
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get
public java.lang.Object get(java.lang.String name)
Gets the value of a variable.- Specified by:
get
in interfaceJexlContext
- Parameters:
name
- the variable's name- Returns:
- the value
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set
public void set(java.lang.String name, java.lang.Object value)
Sets the value of a variable.- Specified by:
set
in interfaceJexlContext
- Parameters:
name
- the variable's namevalue
- the variable's value
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has
public boolean has(java.lang.String name)
Checks 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:
has
in interfaceJexlContext
- Parameters:
name
- the variable's name- Returns:
- true if it exists, false otherwise
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