29 lines
852 B
Java
29 lines
852 B
Java
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/*
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* CycleListList.java 2004-11-05
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*
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* Dirk Ansorge, FernUniversitaet Hagen
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*
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*/
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package twodsack.util;
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/**
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* This interface provides only one single method, namely {@link #compare(ComparableMSE)}. <i>MSE</i> is short for
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* <i>MultiSetElement</i>. Each data type that shall be used together with a <code>MultiSet</code>
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* must implement this interface.
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*/
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public interface ComparableMSE {
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/**
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* Defines an order on all data types that implement this interface.
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* If properly implemented, returns 0 if <code>this</code> and <code>in</code> are equal,
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* -1 if <code>this</code> is smaller than <code>in</code> and 1 otherwise.
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*
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* @param in the instance <code>this</code> shall be compared with <tt>in</tt>
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* @return one of {0,-1,1} as <code>int</code>
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*/
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public int compare(ComparableMSE in);
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}
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