Package org.terrier.matching.matchops

Class DateRangeOp

java.lang.Object

org.terrier.matching.matchops.Operator

org.terrier.matching.matchops.DateRangeOp

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class DateRangeOp
extends Operator

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static org.slf4j.Logger	logger
static java.lang.String	STRING_PREFIX

Fields inherited from class org.terrier.matching.matchops.Operator

IGNORE_LOW_IDF_TERMS

Constructor Summary

Constructors

Constructor	Description
DateRangeOp(java.util.Date _lo, java.util.Date _hi)

Method Summary

Modifier and Type	Method	Description
MatchingEntry	getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexTerm, PostingIndex<Pointer> invTerm, CollectionStatistics collectionStats)	get an entry for matching for this query op.
org.apache.commons.lang3.tuple.Pair<EntryStatistics,IterablePosting>	getPostingIterator(Index index)	get posting iterator for this query op.
java.lang.String	toString()

Methods inherited from class org.terrier.matching.matchops.Operator

clone, equals, hashCode, parse

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

STRING_PREFIX

public static final java.lang.String STRING_PREFIX

See Also:

Constant Field Values

logger

protected static final org.slf4j.Logger logger

Constructor Details

DateRangeOp

public DateRangeOp(java.util.Date _lo, java.util.Date _hi)

Method Details

toString

public java.lang.String toString()

Specified by:

toString in class Operator

getPostingIterator

public org.apache.commons.lang3.tuple.Pair<EntryStatistics,IterablePosting> getPostingIterator(Index index) throws java.io.IOException

Description copied from class: Operator

get posting iterator for this query op.

Specified by:

getPostingIterator in class Operator

Returns:

Pair, but Pair.of(null,null) if term not found

Throws:

java.io.IOException

getMatcher

public MatchingEntry getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexTerm, PostingIndex<Pointer> invTerm, CollectionStatistics collectionStats) throws java.io.IOException

Description copied from class: Operator

get an entry for matching for this query op. calls getPostingIterator() internally

Specified by:

getMatcher in class Operator

Throws:

java.io.IOException