public class FieldComparator extends Object implements StreamComparator
Constructor and Description |
---|
FieldComparator(String fieldName,
ComparatorOrder order) |
FieldComparator(String leftFieldName,
String rightFieldName,
ComparatorOrder order) |
Modifier and Type | Method and Description |
---|---|
int |
compare(Tuple leftTuple,
Tuple rightTuple) |
FieldComparator |
copyAliased(Map<String,String> aliases) |
String |
getLeftFieldName() |
ComparatorOrder |
getOrder() |
String |
getRightFieldName() |
boolean |
hasDifferentFieldNames() |
boolean |
isDerivedFrom(StreamComparator base) |
void |
setLeftFieldName(String leftFieldName) |
void |
setRightFieldName(String rightFieldName) |
StreamExpressionParameter |
toExpression(StreamFactory factory) |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
public FieldComparator(String fieldName, ComparatorOrder order)
public FieldComparator(String leftFieldName, String rightFieldName, ComparatorOrder order)
public void setLeftFieldName(String leftFieldName)
public String getLeftFieldName()
public void setRightFieldName(String rightFieldName)
public String getRightFieldName()
public ComparatorOrder getOrder()
public boolean hasDifferentFieldNames()
public StreamExpressionParameter toExpression(StreamFactory factory)
toExpression
in interface Expressible
public int compare(Tuple leftTuple, Tuple rightTuple)
compare
in interface Comparator<Tuple>
public boolean isDerivedFrom(StreamComparator base)
isDerivedFrom
in interface StreamComparator
public FieldComparator copyAliased(Map<String,String> aliases)
copyAliased
in interface StreamComparator
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