com.northconcepts.datapipeline.core

Class FieldComparator

java.lang.Object

com.northconcepts.datapipeline.core.FieldComparator

All Implemented Interfaces:

Cloneable, Comparator<Field>

public class FieldComparator
extends Object
implements Comparator<Field>, Cloneable

See FieldPath for supported field name expressions.

Constructor Summary

Constructors

Constructor and Description
FieldComparator()

Method Summary

Modifier and Type	Method and Description
Object	clone()
int	compare(Field o1, Field o2)
int	compareRecord(Record record1, Record record2, boolean cacheFieldIndexes)
FieldComparator	copyFrom(FieldComparator o)
Collator	getCollator()
String	getFieldName()
boolean	isAscending()
FieldComparator	setAscending(boolean ascending)
FieldComparator	setCollator(Collator collator)
FieldComparator	setFieldName(String fieldName) Sets the field path of the field to be used for comparisons.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

FieldComparator

public FieldComparator()

Method Detail

copyFrom

public FieldComparator copyFrom(FieldComparator o)

isAscending

public boolean isAscending()

setAscending

public FieldComparator setAscending(boolean ascending)

getCollator

public Collator getCollator()

setCollator

public FieldComparator setCollator(Collator collator)

getFieldName

public String getFieldName()

setFieldName

public FieldComparator setFieldName(String fieldName)

Sets the field path of the field to be used for comparisons. Accepts any expression that can be parsed by FieldPath.parse(String).

clone

public Object clone()

Overrides:

clone in class Object

compare

public int compare(Field o1,
                   Field o2)

Specified by:

compare in interface Comparator<Field>

compareRecord

public int compareRecord(Record record1,
                         Record record2,
                         boolean cacheFieldIndexes)