forked from D-Net/dnet-hadoop
57 lines
1.2 KiB
Java
57 lines
1.2 KiB
Java
package eu.dnetlib.pace.condition;
|
|
|
|
import java.util.List;
|
|
|
|
import com.google.common.collect.Iterables;
|
|
|
|
import eu.dnetlib.pace.distance.eval.ConditionEval;
|
|
import eu.dnetlib.pace.model.Field;
|
|
import eu.dnetlib.pace.model.FieldDef;
|
|
|
|
/**
|
|
* Returns true if the number of values in the fields is the same.
|
|
*
|
|
* @author claudio
|
|
*/
|
|
@ConditionClass("sizeMatch")
|
|
public class SizeMatch extends AbstractCondition {
|
|
|
|
/**
|
|
* Instantiates a new size match.
|
|
*
|
|
* @param fields
|
|
* the fields
|
|
*/
|
|
public SizeMatch(final String cond, final List<FieldDef> fields) {
|
|
super(cond, fields);
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
*
|
|
* @see eu.dnetlib.pace.condition.AbstractCondition#verify(eu.dnetlib.pace.model.FieldDef, java.util.List, java.util.List)
|
|
*/
|
|
@Override
|
|
protected ConditionEval verify(final FieldDef fd, final Field a, final Field b) {
|
|
|
|
// if (a.isEmpty() & b.isEmpty()) return 1;
|
|
//
|
|
// if (a.isEmpty()) return -1;
|
|
// if (b.isEmpty()) return -1;
|
|
|
|
return new ConditionEval(cond, a, b, Iterables.size(a) == Iterables.size(b) ? 1 : -1);
|
|
}
|
|
|
|
/**
|
|
* Checks if is empty.
|
|
*
|
|
* @param a
|
|
* the a
|
|
* @return true, if is empty
|
|
*/
|
|
protected boolean isEmpty(final Iterable<?> a) {
|
|
return (a == null) || Iterables.isEmpty(a);
|
|
}
|
|
|
|
}
|