CountAlgo

java.lang.Object

provided.listFW.visitors.CountAlgo

All Implemented Interfaces:: IListAlgo

public class CountAlgo extends Object implements IListAlgo

Returns the count of the number of elements in the list

Constructor Summary

Constructors

Constructor

Description

CountAlgo()
Method Summary

Modifier and Type

Method

Description

Object

emptyCase(MTList host, Object... nu)

Returns zero always

Object

nonEmptyCase(NEList host, Object... nu)

Returns 1 plus the count of the rest of the list.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- CountAlgo
  
  public CountAlgo()
Method Details
- emptyCase
  
  public Object emptyCase(MTList host, Object... nu)
  
  Returns zero always
  
  Specified by:
  
  emptyCase in interface IListAlgo
  
  Parameters:
  
  nu - Not used
  
  host - the MTList that is executing this algorithm.
  
  Returns:
  
  result from calling this method. The type of the result is problem-specific and may be null.
- nonEmptyCase
  
  public Object nonEmptyCase(NEList host, Object... nu)
  
  Returns 1 plus the count of the rest of the list.
  
  Specified by:
  
  nonEmptyCase in interface IListAlgo
  
  Parameters:
  
  nu - Not used
  
  host - the NEList that is executing this algorithm
  
  Returns:
  
  result from calling this method. The type of the result is problem-specific and may be null.