edu.stanford.nlp.util.IntPair.java Source code

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Here is the source code for edu.stanford.nlp.util.IntPair.java

Source

package edu.stanford.nlp.util;

public class IntPair extends IntTuple {

    private static final long serialVersionUID = 1L;

    public IntPair() {
        super(2);
    }

    public IntPair(int src, int trgt) {
        super(2);
        elements[0] = src;
        elements[1] = trgt;
    }

    /**
     * Return the first element of the pair
     */
    public int getSource() {
        return get(0);
    }

    /**
     * Return the second element of the pair
     */
    public int getTarget() {
        return get(1);
    }

    @Override
    public IntTuple getCopy() {
        return new IntPair(elements[0], elements[1]);
    }

    @Override
    public boolean equals(Object iO) {
        if (!(iO instanceof IntPair)) {
            return false;
        }
        IntPair i = (IntPair) iO;
        return elements[0] == i.get(0) && elements[1] == i.get(1);
    }

    @Override
    public int hashCode() {
        return elements[0] * 17 + elements[1];
    }

}