Package com.apple.foundationdb.record.query.expressions

Class Comparisons.TextWithMaxDistanceComparison

java.lang.Object

com.apple.foundationdb.record.query.expressions.Comparisons.TextComparison

com.apple.foundationdb.record.query.expressions.Comparisons.TextWithMaxDistanceComparison

All Implemented Interfaces:

PlanHashable, Comparisons.Comparison, QueryHashable

Enclosing class:

Comparisons

public static class Comparisons.TextWithMaxDistanceComparison
extends Comparisons.TextComparison

A Comparisons.TextComparison that must be satisfied within a certain number of text tokens.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.PlanHashable

PlanHashable.PlanHashKind

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.QueryHashable

QueryHashable.QueryHashKind

Constructor Summary

Constructors

Constructor	Description
TextWithMaxDistanceComparison(String tokens, int maxDistance, String tokenizerName, String fallbackTokenizerName)
TextWithMaxDistanceComparison(List<String> tokens, int maxDistance, String tokenizerName, String fallbackTokenizerName)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	getMaxDistance()	Get the maximum distance allowed between tokens in the source document allowed by this filter.
int	hashCode()
int	planHash(PlanHashable.PlanHashKind hashKind)	Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.
int	queryHash(QueryHashable.QueryHashKind hashKind)	Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.
String	toString()

Methods inherited from class com.apple.foundationdb.record.query.expressions.Comparisons.TextComparison

eval, getComparand, getFallbackTokenizerName, getTokenizerName, getType, typelessString, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.apple.foundationdb.record.query.expressions.Comparisons.Comparison

getComparand, hasMultiColumnComparand

Methods inherited from interface com.apple.foundationdb.record.PlanHashable

planHash

Constructor Detail

TextWithMaxDistanceComparison

public TextWithMaxDistanceComparison(@Nonnull
                                     String tokens,
                                     int maxDistance,
                                     @Nullable
                                     String tokenizerName,
                                     @Nonnull
                                     String fallbackTokenizerName)

TextWithMaxDistanceComparison

public TextWithMaxDistanceComparison(@Nonnull
                                     List<String> tokens,
                                     int maxDistance,
                                     @Nullable
                                     String tokenizerName,
                                     @Nonnull
                                     String fallbackTokenizerName)

Method Detail

getMaxDistance

public int getMaxDistance()

Get the maximum distance allowed between tokens in the source document allowed by this filter.

Returns:

the maximum distance allowed between tokens by this filter

equals

public boolean equals(Object o)

Overrides:

equals in class Comparisons.TextComparison

planHash

public int planHash(@Nonnull
                    PlanHashable.PlanHashKind hashKind)

Description copied from interface: PlanHashable

Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.

Specified by:

planHash in interface PlanHashable

Overrides:

planHash in class Comparisons.TextComparison

Parameters:

hashKind - the "kind" of hash to calculate. Each kind of hash has a particular logic with regards to included and excluded items.

Returns:

a stable hash code

queryHash

public int queryHash(@Nonnull
                     QueryHashable.QueryHashKind hashKind)

Description copied from interface: QueryHashable

Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.

Specified by:

queryHash in interface QueryHashable

Overrides:

queryHash in class Comparisons.TextComparison

Parameters:

hashKind - the "kind" of hash to calculate. Each kind of hash has a particular logic with regards to included and excluded items.

Returns:

a stable hash code

hashCode

public int hashCode()

Overrides:

hashCode in class Comparisons.TextComparison

toString

@Nonnull
public String toString()

Overrides:

toString in class Comparisons.TextComparison