org.apache.solr.client.solrj.io.comp

Class FieldComparator

java.lang.Object

org.apache.solr.client.solrj.io.comp.StreamComparator

org.apache.solr.client.solrj.io.comp.FieldComparator

All Implemented Interfaces:

Serializable, Comparator<Tuple>, ExpressibleComparator

public class FieldComparator
extends StreamComparator
implements Comparator<Tuple>, ExpressibleComparator, Serializable

An equality field Comparator which compares a field of two Tuples and determines sort order.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.solr.client.solrj.io.comp.StreamComparator

leftField, order, rightField

Constructor Summary

Constructors

Constructor and Description
FieldComparator(String field, ComparatorOrder order)
FieldComparator(String leftField, String rightField, ComparatorOrder order)

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(Tuple leftTuple, Tuple rightTuple)
StreamExpressionParameter	toExpression(StreamFactory factory)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

FieldComparator

public FieldComparator(String field,
               ComparatorOrder order)

FieldComparator

public FieldComparator(String leftField,
               String rightField,
               ComparatorOrder order)

Method Detail

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)

Specified by:

toExpression in interface ExpressibleComparator

compare

public int compare(Tuple leftTuple,
          Tuple rightTuple)

Specified by:

compare in interface Comparator<Tuple>