forked from D-Net/dnet-hadoop
45 lines
1012 B
Java
45 lines
1012 B
Java
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package eu.dnetlib.pace.tree;
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import java.util.Map;
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import com.wcohen.ss.AbstractStringDistance;
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import eu.dnetlib.pace.config.Config;
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import eu.dnetlib.pace.tree.support.AbstractStringComparator;
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import eu.dnetlib.pace.tree.support.ComparatorClass;
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@ComparatorClass("exactMatch")
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public class ExactMatch extends AbstractStringComparator {
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public ExactMatch(Map<String, String> params) {
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super(params, new com.wcohen.ss.JaroWinkler());
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}
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public ExactMatch(final double weight) {
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super(weight, new com.wcohen.ss.JaroWinkler());
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}
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protected ExactMatch(final double weight, final AbstractStringDistance ssalgo) {
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super(weight, ssalgo);
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}
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@Override
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public double distance(final String a, final String b, final Config conf) {
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if (a.isEmpty() || b.isEmpty()) {
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return -1.0; // return -1 if a field is missing
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}
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return a.equals(b) ? 1.0 : 0;
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}
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@Override
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public double getWeight() {
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return super.weight;
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}
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@Override
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protected double normalize(final double d) {
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return d;
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}
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}
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