structure
Class AbstractSet

java.lang.Object
  structure.AbstractStructure
      structure.AbstractSet

All Implemented Interfaces:

Set, Structure

Direct Known Subclasses:

SetList, SetVector

public abstract class AbstractSet
extends AbstractStructure
implements Set

Implementation of a set of elements. As with the mathematical object, the elements of the set are not duplicated. No order is implied or enforced in this structure.

Constructor Summary

AbstractSet()

Method Summary

void	addAll(Structure other) Union other set into this set.
boolean	containsAll(Structure other) Check to see if this set is contained in the other structure.
void	removeAll(Structure other) Computes the difference between this set and the other structure
void	retainAll(Structure other) Computes the intersection between this set and the other structure.

Methods inherited from class structure.AbstractStructure

contains, elements, hashCode, isEmpty, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface structure.Structure

add, clear, contains, elements, isEmpty, iterator, remove, size, values

Constructor Detail

AbstractSet

public AbstractSet()

Method Detail

addAll

public void addAll(Structure other)

Union other set into this set.

Specified by:

addAll in interface Set

Precondition:

other is non-null

Postcondition:

values from other are added into this set

containsAll

public boolean containsAll(Structure other)

Check to see if this set is contained in the other structure.

Specified by:

containsAll in interface Set

Precondition:

other is non-null

Postcondition:

returns true if every value in this set is contained in the other

removeAll

public void removeAll(Structure other)

Computes the difference between this set and the other structure

Specified by:

removeAll in interface Set

Precondition:

other is non-null

Postcondition:

values of this set contained in other are removed

retainAll

public void retainAll(Structure other)

Computes the intersection between this set and the other structure.

Specified by:

retainAll in interface Set

Precondition:

other is non-null

Postcondition:

values not appearing in the other structure are removed