org.springframework.data.redis.connection.lettuce

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

Author:

Jennifer Hickey, Christoph Strobl, Thomas Darimont, Mark Paluch, Ninad Divadkar

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
LettuceConverters()

Method Summary

Modifier and Type	Method and Description
static String	boundaryToBytesForZRange(RedisZSetCommands.Range.Boundary boundary, byte[] defaultValue) Converts a given RedisZSetCommands.Range.Boundary to its binary representation suitable for ZRANGEBY* commands, despite ZRANGEBYLEX.
static String	boundaryToBytesForZRangeByLex(RedisZSetCommands.Range.Boundary boundary, byte[] defaultValue) Converts a given RedisZSetCommands.Range.Boundary to its binary representation suitable for ZRANGEBYLEX command.
static String	boundaryToStringForZRange(RedisZSetCommands.Range.Boundary boundary, String defaultValue)
static Converter<Collection<byte[]>,List<byte[]>>	bytesCollectionToBytesList()
static Converter<List<byte[]>,Set<byte[]>>	bytesListToBytesSet()
static Converter<List<byte[]>,Map<byte[],byte[]>>	bytesListToMapConverter()
static Converter<List<byte[]>,List<RedisZSetCommands.Tuple>>	bytesListToTupleListConverter()
static Converter<Collection<byte[]>,List<byte[]>>	bytesSetToBytesList()
static Converter<Set<byte[]>,GeoResults<RedisGeoCommands.GeoLocation<byte[]>>>	bytesSetToGeoResultsConverter() Get Converter capable of Set of Byte into GeoResults.
static Converter<byte[],String>	bytesToString()
static Converter<Date,Long>	dateToLong()
static Converter<Exception,DataAccessException>	exceptionConverter()
static Point	geoCoordinatesToPoint(io.lettuce.core.GeoCoordinates geoCoordinates)
static ListConverter<io.lettuce.core.GeoCoordinates,Point>	geoCoordinatesToPointConverter()
static Converter<List<io.lettuce.core.GeoWithin<byte[]>>,GeoResults<RedisGeoCommands.GeoLocation<byte[]>>>	geoRadiusResponseToGeoResultsConverter(Metric metric) Get Converter capable of convering GeoWithin into GeoResults.
static <K,V> ListConverter<io.lettuce.core.KeyValue<K,V>,V>	keyValueListUnwrapper()
static Converter<io.lettuce.core.KeyValue<byte[],byte[]>,List<byte[]>>	keyValueToBytesList()
static Converter<Long,Boolean>	longToBooleanConverter()
static List<RedisClusterNode>	partitionsToClusterNodes(io.lettuce.core.cluster.models.partitions.Partitions partitions)
static Converter<List<io.lettuce.core.ScoredValue<byte[]>>,List<RedisZSetCommands.Tuple>>	scoredValuesToTupleList()
static Converter<List<io.lettuce.core.ScoredValue<byte[]>>,Set<RedisZSetCommands.Tuple>>	scoredValuesToTupleSet()
static Converter<io.lettuce.core.ScoredValue<byte[]>,RedisZSetCommands.Tuple>	scoredValueToTuple()
static io.lettuce.core.RedisURI	sentinelConfigurationToRedisURI(RedisSentinelConfiguration sentinelConfiguration)
static Converter<String,List<RedisClientInfo>>	stringToRedisClientListConverter()
static byte[][]	subarray(byte[][] input, int index)
static io.lettuce.core.BitFieldArgs	toBitFieldArgs(BitFieldSubCommands subCommands) Convert BitFieldSubCommands into BitFieldArgs.
static boolean	toBoolean(RedisListCommands.Position where)
static byte[]	toBytes(Double source)
static byte[]	toBytes(Integer source)
static byte[]	toBytes(Long source)
static byte[]	toBytes(String source)
static List<byte[]>	toBytesList(Collection<byte[]> source)
static List<byte[]>	toBytesList(io.lettuce.core.KeyValue<byte[],byte[]> source)
static Set<byte[]>	toBytesSet(List<byte[]> source)
static io.lettuce.core.GeoArgs	toGeoArgs(RedisGeoCommands.GeoRadiusCommandArgs args) Convert RedisGeoCommands.GeoRadiusCommandArgs into GeoArgs.
static io.lettuce.core.GeoArgs.Unit	toGeoArgsUnit(Metric metric) Convert Metric into GeoArgs.Unit.
static int	toInt(boolean value)
static io.lettuce.core.Limit	toLimit(RedisZSetCommands.Limit limit) Convert a RedisZSetCommands.Limit to a lettuce Limit.
static List<RedisClientInfo>	toListOfRedisClientInformation(String clientList)
static List<RedisServer>	toListOfRedisServer(List<Map<String,String>> source)
static Long	toLong(Date source)
static Map<byte[],byte[]>	toMap(List<byte[]> source)
static <T> io.lettuce.core.Range<T>	toRange(RedisZSetCommands.Range range) Convert a RedisZSetCommands.Range to a lettuce Range.
static RedisClusterNode	toRedisClusterNode(io.lettuce.core.cluster.models.partitions.RedisClusterNode source)
static <T> io.lettuce.core.Range<T>	toRevRange(RedisZSetCommands.Range range) Convert a RedisZSetCommands.Range to a lettuce Range and reverse boundaries.
static io.lettuce.core.ScriptOutputType	toScriptOutputType(ReturnType returnType)
static io.lettuce.core.SetArgs	toSetArgs(Expiration expiration, RedisStringCommands.SetOption option) Converts a given Expiration and RedisStringCommands.SetOption to the according SetArgs.
static io.lettuce.core.SortArgs	toSortArgs(SortParameters params)
static String	toString(byte[] source)
static List<RedisZSetCommands.Tuple>	toTuple(List<byte[]> list)
static RedisZSetCommands.Tuple	toTuple(io.lettuce.core.ScoredValue<byte[]> source)
static Set<RedisZSetCommands.Tuple>	toTupleSet(List<io.lettuce.core.ScoredValue<byte[]>> source)
static Converter<io.lettuce.core.TransactionResult,List<Object>>	transactionResultUnwrapper()

Methods inherited from class org.springframework.data.redis.connection.convert.Converters

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

Methods inherited from class java.lang.Object

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

Field Detail

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 Detail

LettuceConverters

public LettuceConverters()

Method Detail

toTuple

public static List<RedisZSetCommands.Tuple> toTuple(List<byte[]> list)

bytesListToTupleListConverter

public static Converter<List<byte[]>,List<RedisZSetCommands.Tuple>> bytesListToTupleListConverter()

geoCoordinatesToPoint

public static Point geoCoordinatesToPoint(io.lettuce.core.GeoCoordinates geoCoordinates)

stringToRedisClientListConverter

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

dateToLong

public static Converter<Date,Long> dateToLong()

bytesListToBytesSet

public static Converter<List<byte[]>,Set<byte[]>> bytesListToBytesSet()

bytesToString

public static Converter<byte[],String> bytesToString()

keyValueToBytesList

public static Converter<io.lettuce.core.KeyValue<byte[],byte[]>,List<byte[]>> keyValueToBytesList()

bytesSetToBytesList

public static Converter<Collection<byte[]>,List<byte[]>> bytesSetToBytesList()

bytesCollectionToBytesList

public static Converter<Collection<byte[]>,List<byte[]>> bytesCollectionToBytesList()

scoredValuesToTupleSet

public static Converter<List<io.lettuce.core.ScoredValue<byte[]>>,Set<RedisZSetCommands.Tuple>> scoredValuesToTupleSet()

scoredValuesToTupleList

public static Converter<List<io.lettuce.core.ScoredValue<byte[]>>,List<RedisZSetCommands.Tuple>> scoredValuesToTupleList()

scoredValueToTuple

public static Converter<io.lettuce.core.ScoredValue<byte[]>,RedisZSetCommands.Tuple> scoredValueToTuple()

exceptionConverter

public static Converter<Exception,DataAccessException> exceptionConverter()

longToBooleanConverter

public static Converter<Long,Boolean> longToBooleanConverter()

Returns:

toLong

public static Long toLong(Date source)

toBytesSet

public static Set<byte[]> toBytesSet(List<byte[]> source)

toBytesList

public static List<byte[]> toBytesList(io.lettuce.core.KeyValue<byte[],byte[]> source)

toBytesList

public static List<byte[]> toBytesList(Collection<byte[]> source)

toTupleSet

public static Set<RedisZSetCommands.Tuple> toTupleSet(List<io.lettuce.core.ScoredValue<byte[]>> source)

toTuple

public static RedisZSetCommands.Tuple toTuple(io.lettuce.core.ScoredValue<byte[]> source)

toString

public static String toString(byte[] source)

toScriptOutputType

public static io.lettuce.core.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)

bytesListToMapConverter

public static Converter<List<byte[]>,Map<byte[],byte[]>> bytesListToMapConverter()

toSortArgs

public static io.lettuce.core.SortArgs toSortArgs(SortParameters params)

toListOfRedisClientInformation

public static List<RedisClientInfo> toListOfRedisClientInformation(String clientList)

subarray

public static byte[][] subarray(byte[][] input,
                                int index)

boundaryToStringForZRange

public static String boundaryToStringForZRange(RedisZSetCommands.Range.Boundary boundary,
                                               String defaultValue)

toLimit

public static io.lettuce.core.Limit toLimit(RedisZSetCommands.Limit limit)

Convert a RedisZSetCommands.Limit to a lettuce Limit.

Parameters:

limit -

Returns:

a lettuce Limit.

Since:

2.0

toRange

public static <T> io.lettuce.core.Range<T> toRange(RedisZSetCommands.Range range)

Convert a RedisZSetCommands.Range to a lettuce Range.

Parameters:

range -

Returns:

Since:

2.0

toRevRange

public static <T> io.lettuce.core.Range<T> toRevRange(RedisZSetCommands.Range range)

Convert a RedisZSetCommands.Range to a lettuce Range and reverse boundaries.

Parameters:

range -

Returns:

Since:

2.0

toListOfRedisServer

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

Parameters:

source - List of Maps containing node details from SENTINEL SLAVES 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 io.lettuce.core.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

public static byte[] toBytes(String source)

toBytes

public static byte[] toBytes(Integer source)

toBytes

public static byte[] toBytes(Long source)

toBytes

public static byte[] toBytes(Double source)

Parameters:

source -

Returns:

Since:

1.6

boundaryToBytesForZRange

public static String boundaryToBytesForZRange(RedisZSetCommands.Range.Boundary boundary,
                                              byte[] defaultValue)

Converts a given RedisZSetCommands.Range.Boundary to its binary representation suitable for ZRANGEBY* commands, despite ZRANGEBYLEX.

Parameters:

boundary -

defaultValue -

Returns:

Since:

1.6

boundaryToBytesForZRangeByLex

public static String boundaryToBytesForZRangeByLex(RedisZSetCommands.Range.Boundary boundary,
                                                   byte[] defaultValue)

Converts a given RedisZSetCommands.Range.Boundary to its binary representation suitable for ZRANGEBYLEX command.

Parameters:

boundary -

Returns:

Since:

1.6

partitionsToClusterNodes

public static List<RedisClusterNode> partitionsToClusterNodes(io.lettuce.core.cluster.models.partitions.Partitions partitions)

toRedisClusterNode

public static RedisClusterNode toRedisClusterNode(io.lettuce.core.cluster.models.partitions.RedisClusterNode source)

Parameters:

source -

Returns:

Since:

1.7

toSetArgs

public static io.lettuce.core.SetArgs toSetArgs(@Nullable
                                                Expiration expiration,
                                                @Nullable
                                                RedisStringCommands.SetOption option)

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 io.lettuce.core.GeoArgs.Unit toGeoArgsUnit(Metric metric)

Convert Metric into GeoArgs.Unit.

Parameters:

metric -

Returns:

Since:

1.8

toGeoArgs

public static io.lettuce.core.GeoArgs toGeoArgs(RedisGeoCommands.GeoRadiusCommandArgs args)

Convert RedisGeoCommands.GeoRadiusCommandArgs into GeoArgs.

Parameters:

args -

Returns:

Since:

1.8

toBitFieldArgs

public static io.lettuce.core.BitFieldArgs toBitFieldArgs(BitFieldSubCommands subCommands)

Convert BitFieldSubCommands into BitFieldArgs.

Parameters:

subCommands -

Returns:

Since:

2.1

bytesSetToGeoResultsConverter

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

Get Converter capable of Set of Byte into GeoResults.

Returns:

Since:

1.8

geoRadiusResponseToGeoResultsConverter

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

Get Converter capable of convering GeoWithin into GeoResults.

Parameters:

metric -

Returns:

Since:

1.8

geoCoordinatesToPointConverter

public static ListConverter<io.lettuce.core.GeoCoordinates,Point> geoCoordinatesToPointConverter()

Returns:

Since:

1.8

keyValueListUnwrapper

public static <K,V> ListConverter<io.lettuce.core.KeyValue<K,V>,V> keyValueListUnwrapper()

Returns:

Since:

2.0

transactionResultUnwrapper

public static Converter<io.lettuce.core.TransactionResult,List<Object>> transactionResultUnwrapper()