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