40 lines
1 KiB
Java
40 lines
1 KiB
Java
/**
|
|
* @param <E> Element type.
|
|
* Abstract class for simple functional sets just offering a characteristic function realized by the
|
|
* contains method.
|
|
*/
|
|
public abstract class SimpleFunctionalSet<E>
|
|
{
|
|
/**
|
|
* The remaining set.
|
|
*/
|
|
private final SimpleFunctionalSet<E> set;
|
|
|
|
/**
|
|
* @param s The remaining set.
|
|
*/
|
|
public SimpleFunctionalSet(SimpleFunctionalSet<E> s)
|
|
{
|
|
this.set = s;
|
|
}
|
|
|
|
/**
|
|
* Returns <tt>true</tt> if this set contains the specified element.
|
|
* More formally, contains(o) returns <tt>true</tt> if and only if this set
|
|
* contains an element <tt>e</tt> such that
|
|
* <tt>(o==null ? e==null : e.equals(o))</tt>.
|
|
*
|
|
* @param o Element whose presence in this set is to be tested.
|
|
* @return <tt>true</tt> if this set contains the specified element.
|
|
*/
|
|
public abstract boolean contains(Object o);
|
|
|
|
/**
|
|
* @return The remaining set.
|
|
*/
|
|
public SimpleFunctionalSet<E> getRemainingSet()
|
|
{
|
|
return this.set;
|
|
}
|
|
|
|
}
|