Package org.sentrysoftware.jawk.jrt

Class KeyListImpl

java.lang.Object

org.sentrysoftware.jawk.jrt.KeyListImpl

All Implemented Interfaces:

KeyList

public class KeyListImpl
extends Object
implements KeyList

Implement the KeyList interface with an ArrayList.

Author:

Danny Daglas

Constructor Summary

Constructors

Constructor	Description
KeyListImpl(Set<Object> set)	Convert the set to a KeyList.

Method Summary

Modifier and Type	Method	Description
final Object	getFirstAndRemove()	getFirstAndRemove.
int	size()	Retrieve the number of elements in the KeyList.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

KeyListImpl

public KeyListImpl(Set<Object> set)

Convert the set to a KeyList. We could have used an ArrayList directly. However, tagging the implementation with a KeyList interface improves type checking within the parsing / semantic analysis phase.

Parameters:

set - a Set object

Method Details

getFirstAndRemove

public final Object getFirstAndRemove()

getFirstAndRemove.

Specified by:

getFirstAndRemove in interface KeyList

Returns:

a Object object

size

public int size()

Retrieve the number of elements in the KeyList.

Specified by:

size in interface KeyList

Returns:

a int