Class MetaFunction
- java.lang.Object
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- com.googlecode.aviator.runtime.type.AviatorObject
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- com.googlecode.aviator.runtime.function.AbstractFunction
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- com.googlecode.aviator.runtime.function.system.MetaFunction
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- All Implemented Interfaces:
AviatorFunction
,java.io.Serializable
,java.lang.Runnable
,java.util.concurrent.Callable<AviatorObject>
public class MetaFunction extends AbstractFunction
meta(obj, [key]) function to return the meatadata of obj [with the key], returns null if ithere is no metadata.- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static MetaFunction
INSTANCE
private static long
serialVersionUID
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Fields inherited from class com.googlecode.aviator.runtime.type.AviatorObject
metadata
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Constructor Summary
Constructors Modifier Constructor Description private
MetaFunction()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description AviatorObject
call(java.util.Map<java.lang.String,java.lang.Object> env, AviatorObject arg1)
AviatorObject
call(java.util.Map<java.lang.String,java.lang.Object> env, AviatorObject arg1, AviatorObject arg2)
java.lang.String
getName()
Get the function name-
Methods inherited from class com.googlecode.aviator.runtime.function.AbstractFunction
call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, desc, getAviatorType, getValue, innerCompare, run, throwArity
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Methods inherited from class com.googlecode.aviator.runtime.type.AviatorObject
add, bitAnd, bitNot, bitOr, bitXor, booleanValue, compare, compareEq, defineValue, deref, div, exponent, getElement, getMetadata, isNull, match, meta, mod, mult, neg, not, numberValue, setValue, shiftLeft, shiftRight, stringValue, sub, toString, unsignedShiftRight, withMeta, withoutMeta
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Field Detail
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INSTANCE
public static final MetaFunction INSTANCE
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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Method Detail
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getName
public java.lang.String getName()
Description copied from interface:AviatorFunction
Get the function name- Returns:
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call
public AviatorObject call(java.util.Map<java.lang.String,java.lang.Object> env, AviatorObject arg1)
- Specified by:
call
in interfaceAviatorFunction
- Overrides:
call
in classAbstractFunction
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call
public AviatorObject call(java.util.Map<java.lang.String,java.lang.Object> env, AviatorObject arg1, AviatorObject arg2)
- Specified by:
call
in interfaceAviatorFunction
- Overrides:
call
in classAbstractFunction
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