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package eu.dnetlib.pace.condition;
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import java.util.List;
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import eu.dnetlib.pace.config.Cond;
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import eu.dnetlib.pace.distance.eval.ConditionEval;
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import eu.dnetlib.pace.model.Field;
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import eu.dnetlib.pace.model.FieldDef;
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import org.apache.commons.lang.StringUtils;
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/**
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* The Class ExactMatch.
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*
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* @author claudio
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*/
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public class ExactMatch extends AbstractCondition {
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public ExactMatch(final Cond cond, final List<FieldDef> fields) {
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super(cond, fields);
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}
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@Override
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protected ConditionEval verify(final FieldDef fd, final Field a, final Field b) {
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final String fa = getValue(a);
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final String fb = getValue(b);
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int res;
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if (StringUtils.isBlank(fa) && StringUtils.isBlank(fb)) {
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res = 0;
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} else {
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res = fa.equals(fb) ? 1 : -1;
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}
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return new ConditionEval(cond, a, b, res);
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}
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protected String getValue(final Field f) {
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return getFirstValue(f);
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}
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}
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