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37 lines
1.0 KiB
Java
37 lines
1.0 KiB
Java
/**
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* Very simple wrapper to contain two values in one object.
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*/
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public class Pair<T,U> {
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/** The first value */
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private T first;
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/** The second value */
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private U second;
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/**
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* Creates a new Pair of values.
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* @param one The first value.
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* @param two The second value.
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*/
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public Pair(T one, U two){
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this.first = one;
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this.second = two;
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}
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/**
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* Creates a new Pair of values, both initialized to {@code null}
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*/
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public Pair(){ this(null, null); }
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/** Returns the first value of this Pair. */
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public T getFirst(){ return this.first; }
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/** Sets the first value of this Pair. */
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public void setFirst(T value){ this.first = value; }
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/** Returns the second value of this Pair. */
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public U getSecond(){ return this.second; }
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/** Sets the second value of this Pair. */
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public void setSecond(U value){ this.second = value; }
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/** Returns true iff both values in this Pair are non-null. */
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public boolean allSet(){ return this.first != null && this.second != null; }
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}
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