serf.data
Class SimpleMatcherMerger

java.lang.Object
  serf.data.SimpleMatcherMerger

All Implemented Interfaces:

MatcherMerger

Direct Known Subclasses:

MatchMergeIgnoreConf

public class SimpleMatcherMerger
extends java.lang.Object
implements MatcherMerger

Constructor Summary

SimpleMatcherMerger(RecordFactory factory, int k)
This creates a SimpleMatcherMerger that checks for proximity within k, but doesn't look for wraparound around a particular domain.

SimpleMatcherMerger(RecordFactory factory, int d, int k)

Method Summary

long	getMatchCount()
long	getMergeCount()
boolean	match(Record r1, Record r2) Compare records.
Record	merge(Record r1, Record r2) Merge two records into a single record.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleMatcherMerger

public SimpleMatcherMerger(RecordFactory factory,
                           int k)

This creates a SimpleMatcherMerger that checks for proximity within k, but doesn't look for wraparound around a particular domain.

Parameters:

factory -

k -

SimpleMatcherMerger

public SimpleMatcherMerger(RecordFactory factory,
                           int d,
                           int k)

Parameters:

factory -

d - - the domain of possible values [1, domain]. Wraparounds will be detected and considered matches.

k - - the width of the matching range. if k == 1, then only exact matches count. if k == 2 then 0 matches with -1, 0, and 1.

Method Detail

match

public boolean match(Record r1,
                     Record r2)

Description copied from interface: MatcherMerger

Compare records. If they match, return true.

Specified by:

match in interface MatcherMerger

Parameters:

r1 - Record 1

r2 - Record 2

Returns:

true if the records match.

merge

public Record merge(Record r1,
                    Record r2)

Description copied from interface: MatcherMerger

Merge two records into a single record. Return the merged record

Specified by:

merge in interface MatcherMerger

Parameters:

r1 - Record 1

r2 - Record 2

Returns:

the record resulting from merging Records 1 and 2.

getMatchCount

public long getMatchCount()

getMergeCount

public long getMergeCount()