Class LettuceConverters

java.lang.Object

org.springframework.data.redis.connection.convert.Converters

org.springframework.data.redis.connection.lettuce.LettuceConverters

public abstract class LettuceConverters
extends Converters

Lettuce type converters. This is an internal class not intended to by used outside of the framework.

Author:

Jennifer Hickey, Christoph Strobl, Thomas Darimont, Mark Paluch, Ninad Divadkar, dengliming, Chris Bono, Vikas Garg, John Blum, Roman Osadchuk, Yordan Tsintsov

Field Summary

Fields

Modifier and Type	Field	Description
static final byte[]	MINUS_BYTES
static final byte[]	NEGATIVE_INFINITY_BYTES
static final byte[]	PLUS_BYTES
static final byte[]	POSITIVE_INFINITY_BYTES

Constructor Summary

Constructors

Constructor	Description
LettuceConverters()

Method Summary

Modifier and Type	Method	Description
static Converter<Set<byte[]>, GeoResults<RedisGeoCommands.GeoLocation<byte[]>>>	bytesSetToGeoResultsConverter()	Get Converter capable of Set of Byte into GeoResults.
static @Nullable Point	geoCoordinatesToPoint(@Nullable GeoCoordinates geoCoordinate)
static Converter<List<GeoWithin<byte[]>>, GeoResults<RedisGeoCommands.GeoLocation<byte[]>>>	geoRadiusResponseToGeoResultsConverter(Metric metric)	Get Converter capable of converting GeoWithin into GeoResults.
static Converter<Long,Boolean>	longToBooleanConverter()
static List<RedisClusterNode>	partitionsToClusterNodes(@Nullable Partitions source)
static Converter<List<ScoredValue<byte[]>>, @Nullable List<Tuple>>	scoredValuesToTupleList()
static RedisURI	sentinelConfigurationToRedisURI(RedisSentinelConfiguration sentinelConfiguration)
static Converter<String, List<RedisClientInfo>>	stringToRedisClientListConverter()
static BitFieldArgs	toBitFieldArgs(@Nullable BitFieldSubCommands subCommands)	Convert BitFieldSubCommands into BitFieldArgs.
static boolean	toBoolean(long value)
static boolean	toBoolean(RedisListCommands.Position where)
static byte @Nullable []	toBytes(@Nullable String source)
static byte[]	toBytes(Double source)
static byte[]	toBytes(Integer source)
static byte[]	toBytes(Long source)
static @Nullable List<byte[]>	toBytesList(@Nullable KeyValue<byte[],byte[]> source)
static @Nullable Set<byte[]>	toBytesSet(@Nullable List<byte[]> source)
static GeoArgs	toGeoArgs(RedisGeoCommands.GeoCommandArgs args)	Convert RedisGeoCommands.GeoCommandArgs into GeoArgs.
static GeoArgs	toGeoArgs(RedisGeoCommands.GeoRadiusCommandArgs args)	Convert RedisGeoCommands.GeoRadiusCommandArgs into GeoArgs.
static GeoArgs.Unit	toGeoArgsUnit(Metric metric)	Convert Metric into GeoArgs.Unit.
static int	toInt(boolean value)
static Limit	toLimit(Limit limit)	Convert a Limit to a Lettuce Limit.
static List<RedisClientInfo>	toListOfRedisClientInformation(String clientList)
static List<RedisServer>	toListOfRedisServer(List<Map<String,String>> source)
static @Nullable Long	toLong(@Nullable Date source)
static Map<byte[],byte[]>	toMap(List<byte[]> source)
static <T> Range<T>	toRange(Range<T> range)	Convert a RedisZSetCommands.Range to a lettuce Range.
static <T> Range<T>	toRange(Range<T> range, boolean convertNumberToBytes)	Convert a Range to a lettuce Range.
static RedisClusterNode	toRedisClusterNode(RedisClusterNode source)
static <T> Range<T>	toRevRange(Range<T> range)	Convert a Range to a lettuce Range and reverse boundaries.
static ScriptOutputType	toScriptOutputType(ReturnType returnType)
static SetArgs	toSetArgs(@Nullable Expiration expiration, @Nullable RedisStringCommands.SetOption option)	Deprecated, for removal: This API element is subject to removal in a future version. since 4.1.
static SortArgs	toSortArgs(SortParameters params)
static @Nullable String	toString(byte @Nullable [] source)
static Tuple	toTuple(@Nullable ScoredValue<byte[]> source)
static Converter<TransactionResult, List<Object>>	transactionResultUnwrapper()

Methods inherited from class Converters

deserializingGeoResultsConverter, distanceConverterForMetric, entryOf, identityConverter, listToPropertiesConverter, longToBoolean, mapToPropertiesConverter, millisecondsToTimeUnit, millisecondsToTimeUnit, parse, parse, secondsToDuration, secondsToTimeUnit, secondsToTimeUnit, stringToBoolean, stringToBooleanConverter, stringToDataType, stringToProps, toBit, toBoolean, toClusterNode, toDataType, toObjects, toProperties, toProperties, toProperties, toSetOfRedisClusterNodes, toSetOfRedisClusterNodes, toTimeMillis, toTimeMillis

Methods inherited from class Object

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

Field Details

PLUS_BYTES

public static final byte[] PLUS_BYTES

MINUS_BYTES

public static final byte[] MINUS_BYTES

POSITIVE_INFINITY_BYTES

public static final byte[] POSITIVE_INFINITY_BYTES

NEGATIVE_INFINITY_BYTES

public static final byte[] NEGATIVE_INFINITY_BYTES

Constructor Details

LettuceConverters

public LettuceConverters()

Method Details

geoCoordinatesToPoint

public static @Nullable Point geoCoordinatesToPoint(@Nullable GeoCoordinates geoCoordinate)

stringToRedisClientListConverter

public static Converter<String, List<RedisClientInfo>> stringToRedisClientListConverter()

scoredValuesToTupleList

public static Converter<List<ScoredValue<byte[]>>, @Nullable List<Tuple>> scoredValuesToTupleList()

toBoolean

public static boolean toBoolean(long value)

longToBooleanConverter

public static Converter<Long,Boolean> longToBooleanConverter()

Since:

1.3

toLong

@Contract("null -> null;!null -> !null")
public static @Nullable Long toLong(@Nullable Date source)

toBytesSet

@Contract("null -> null;!null -> !null")
public static @Nullable Set<byte[]> toBytesSet(@Nullable List<byte[]> source)

toBytesList

@Contract("null -> null;!null -> !null")
public static @Nullable List<byte[]> toBytesList(@Nullable KeyValue<byte[],byte[]> source)

toTuple

@Contract("null -> null;!null -> !null")
public static Tuple toTuple(@Nullable ScoredValue<byte[]> source)

toString

@Contract("null -> null")
public static @Nullable String toString(byte @Nullable [] source)

toScriptOutputType

public static ScriptOutputType toScriptOutputType(ReturnType returnType)

toBoolean

public static boolean toBoolean(RedisListCommands.Position where)

toInt

public static int toInt(boolean value)

toMap

public static Map<byte[],byte[]> toMap(List<byte[]> source)

toSortArgs

public static SortArgs toSortArgs(SortParameters params)

toListOfRedisClientInformation

public static List<RedisClientInfo> toListOfRedisClientInformation(String clientList)

toLimit

public static Limit toLimit(Limit limit)

Convert a Limit to a Lettuce Limit.

Returns:

a lettuce Limit.

Since:

2.0

toRange

public static <T> Range<T> toRange(Range<T> range)

Convert a RedisZSetCommands.Range to a lettuce Range.

Since:

2.0

toRange

public static <T> Range<T> toRange(Range<T> range,
 boolean convertNumberToBytes)

Convert a Range to a lettuce Range.

Since:

2.2

toRevRange

public static <T> Range<T> toRevRange(Range<T> range)

Convert a Range to a lettuce Range and reverse boundaries.

Since:

2.0

toListOfRedisServer

public static List<RedisServer> toListOfRedisServer(List<Map<String,String>> source)

Parameters:

source - List of Maps containing node details from SENTINEL REPLICAS or SENTINEL MASTERS. May be empty or null.

Returns:

List of RedisServer's. List is empty if List of Maps is empty.

Since:

1.5

sentinelConfigurationToRedisURI

public static RedisURI sentinelConfigurationToRedisURI(RedisSentinelConfiguration sentinelConfiguration)

Parameters:

sentinelConfiguration - the sentinel configuration containing one or more sentinels and a master name. Must not be null

Returns:

A RedisURI containing Redis Sentinel addresses of RedisSentinelConfiguration

Since:

1.5

toBytes

@Contract("null -> null;!null -> !null")
public static byte @Nullable [] toBytes(@Nullable String source)

toBytes

public static byte[] toBytes(Integer source)

toBytes

public static byte[] toBytes(Long source)

toBytes

public static byte[] toBytes(Double source)

Since:

1.6

partitionsToClusterNodes

public static List<RedisClusterNode> partitionsToClusterNodes(@Nullable Partitions source)

toRedisClusterNode

public static RedisClusterNode toRedisClusterNode(RedisClusterNode source)

Since:

1.7

toSetArgs

@Deprecated(since="4.1",
            forRemoval=true)
public static SetArgs toSetArgs(@Nullable Expiration expiration,
 @Nullable RedisStringCommands.SetOption option)

Deprecated, for removal: This API element is subject to removal in a future version.

since 4.1.

Converts a given Expiration and RedisStringCommands.SetOption to the according SetArgs.

Parameters:

expiration - can be null.

option - can be null.

Since:

1.7

toGeoArgsUnit

public static GeoArgs.Unit toGeoArgsUnit(Metric metric)

Convert Metric into GeoArgs.Unit.

Since:

1.8

toGeoArgs

public static GeoArgs toGeoArgs(RedisGeoCommands.GeoRadiusCommandArgs args)

Convert RedisGeoCommands.GeoRadiusCommandArgs into GeoArgs.

Since:

1.8

toGeoArgs

public static GeoArgs toGeoArgs(RedisGeoCommands.GeoCommandArgs args)

Convert RedisGeoCommands.GeoCommandArgs into GeoArgs.

Since:

2.6

toBitFieldArgs

public static BitFieldArgs toBitFieldArgs(@Nullable BitFieldSubCommands subCommands)

Convert BitFieldSubCommands into BitFieldArgs.

Since:

2.1

bytesSetToGeoResultsConverter

public static Converter<Set<byte[]>, GeoResults<RedisGeoCommands.GeoLocation<byte[]>>> bytesSetToGeoResultsConverter()

Get Converter capable of Set of Byte into GeoResults.

Since:

1.8

geoRadiusResponseToGeoResultsConverter

public static Converter<List<GeoWithin<byte[]>>, GeoResults<RedisGeoCommands.GeoLocation<byte[]>>> geoRadiusResponseToGeoResultsConverter(Metric metric)

Get Converter capable of converting GeoWithin into GeoResults.

Since:

1.8

transactionResultUnwrapper

public static Converter<TransactionResult, List<Object>> transactionResultUnwrapper()