Package com.googlecode.aviator.runtime.function.system

Class MetaFunction

java.lang.Object

com.googlecode.aviator.runtime.type.AviatorObject

com.googlecode.aviator.runtime.function.AbstractFunction

com.googlecode.aviator.runtime.function.system.MetaFunction

All Implemented Interfaces:

AviatorFunction, Serializable, Runnable, 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.

Author:

dennis(killme2008@gmail.com)

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final MetaFunction	INSTANCE

Fields inherited from class com.googlecode.aviator.runtime.type.AviatorObject

metadata

Method Summary

Modifier and Type	Method	Description
AviatorObject	call(Map<String,Object> env, AviatorObject arg1)
AviatorObject	call(Map<String,Object> env, AviatorObject arg1, AviatorObject arg2)
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

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

INSTANCE

public static final MetaFunction INSTANCE

Method Details

getName

public String getName()

Description copied from interface: AviatorFunction

Get the function name

Returns:

call

public AviatorObject call(Map<String,Object> env,
 AviatorObject arg1)

Specified by:

call in interface AviatorFunction

Overrides:

call in class AbstractFunction

call

public AviatorObject call(Map<String,Object> env,
 AviatorObject arg1,
 AviatorObject arg2)

Specified by:

call in interface AviatorFunction

Overrides:

call in class AbstractFunction