org.springframework.data.redis.connection.convert

Class Converters

java.lang.Object

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

Direct Known Subclasses:

JedisConverters, LettuceConverters

public abstract class Converters
extends Object

Common type converters

Author:

Jennifer Hickey, Thomas Darimont, Mark Paluch, Christoph Strobl

Constructor Summary

Constructors

Constructor and Description
Converters()

Method Summary

Modifier and Type	Method and Description
static <V> Converter<GeoResults<RedisGeoCommands.GeoLocation<byte[]>>,GeoResults<RedisGeoCommands.GeoLocation<V>>>	deserializingGeoResultsConverter(RedisSerializer<V> serializer) Converter capable of deserializing GeoResults.
static Converter<Double,Distance>	distanceConverterForMetric(Metric metric) Converter capable of converting Double into Distance using given Metric.
static Converter<List<String>,Properties>	listToPropertiesConverter() Returns a converter to convert array outputs with key-value sequences (such as produced by CONFIG GET) from a List to Properties.
static Converter<Long,Boolean>	longToBoolean()
static <K,V> Converter<Map<K,V>,Properties>	mapToPropertiesConverter() Returns a converter to convert from Map to Properties.
static long	millisecondsToTimeUnit(long milliseconds, TimeUnit targetUnit) Converts milliseconds to the given TimeUnit.
static Converter<Long,Long>	millisecondsToTimeUnit(TimeUnit timeUnit) Creates a new Converter to convert from milliseconds to the given TimeUnit.
static Duration	secondsToDuration(Long seconds) Convert the given nullable seconds to a Duration or null.
static long	secondsToTimeUnit(long seconds, TimeUnit targetUnit) Converts seconds to the given TimeUnit.
static Converter<Long,Long>	secondsToTimeUnit(TimeUnit timeUnit) Creates a new Converter to convert from seconds to the given TimeUnit.
static Boolean	stringToBoolean(String s)
static Converter<String,Boolean>	stringToBooleanConverter()
static Converter<String,DataType>	stringToDataType()
static Converter<String,Properties>	stringToProps()
static byte[]	toBit(Boolean source)
static Boolean	toBoolean(Long source)
protected static RedisClusterNode	toClusterNode(String clusterNodesLine) Converts the result of a single line of CLUSTER NODES into a RedisClusterNode.
static DataType	toDataType(String source)
static List<Object>	toObjects(Set<RedisZSetCommands.Tuple> tuples)
static Properties	toProperties(List<String> input) Converts array outputs with key-value sequences (such as produced by CONFIG GET) from a List to Properties.
static Properties	toProperties(Map<?,?> source)
static Properties	toProperties(String source)
static Set<RedisClusterNode>	toSetOfRedisClusterNodes(Collection<String> lines) Converts lines from the result of CLUSTER NODES into RedisClusterNodes.
static Set<RedisClusterNode>	toSetOfRedisClusterNodes(String clusterNodes) Converts the result of CLUSTER NODES into RedisClusterNodes.
static Long	toTimeMillis(String seconds, String microseconds) Returns the timestamp constructed from the given seconds and microseconds.

Methods inherited from class java.lang.Object

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

Constructor Detail

Converters

public Converters()

Method Detail

stringToBoolean

public static Boolean stringToBoolean(String s)

stringToBooleanConverter

public static Converter<String,Boolean> stringToBooleanConverter()

stringToProps

public static Converter<String,Properties> stringToProps()

longToBoolean

public static Converter<Long,Boolean> longToBoolean()

stringToDataType

public static Converter<String,DataType> stringToDataType()

toProperties

public static Properties toProperties(String source)

toProperties

public static Properties toProperties(Map<?,?> source)

toBoolean

public static Boolean toBoolean(Long source)

toDataType

public static DataType toDataType(String source)

toBit

public static byte[] toBit(Boolean source)

toClusterNode

protected static RedisClusterNode toClusterNode(String clusterNodesLine)

Converts the result of a single line of CLUSTER NODES into a RedisClusterNode.

Parameters:

clusterNodesLine -

Returns:

Since:

1.7

toSetOfRedisClusterNodes

public static Set<RedisClusterNode> toSetOfRedisClusterNodes(Collection<String> lines)

Converts lines from the result of CLUSTER NODES into RedisClusterNodes.

Parameters:

lines -

Returns:

Since:

1.7

toSetOfRedisClusterNodes

public static Set<RedisClusterNode> toSetOfRedisClusterNodes(String clusterNodes)

Converts the result of CLUSTER NODES into RedisClusterNodes.

Parameters:

clusterNodes -

Returns:

Since:

1.7

toObjects

public static List<Object> toObjects(Set<RedisZSetCommands.Tuple> tuples)

toTimeMillis

public static Long toTimeMillis(String seconds,
                                String microseconds)

Returns the timestamp constructed from the given seconds and microseconds.

Parameters:

seconds - server time in seconds

microseconds - elapsed microseconds in current second

Returns:

secondsToTimeUnit

public static long secondsToTimeUnit(long seconds,
                                     TimeUnit targetUnit)

Converts seconds to the given TimeUnit.

Parameters:

seconds -

targetUnit - must not be null.

Returns:

Since:

1.8

secondsToTimeUnit

public static Converter<Long,Long> secondsToTimeUnit(TimeUnit timeUnit)

Creates a new Converter to convert from seconds to the given TimeUnit.

Parameters:

timeUnit - muist not be null.

Returns:

Since:

1.8

millisecondsToTimeUnit

public static long millisecondsToTimeUnit(long milliseconds,
                                          TimeUnit targetUnit)

Converts milliseconds to the given TimeUnit.

Parameters:

milliseconds -

targetUnit - must not be null.

Returns:

Since:

1.8

millisecondsToTimeUnit

public static Converter<Long,Long> millisecondsToTimeUnit(TimeUnit timeUnit)

Creates a new Converter to convert from milliseconds to the given TimeUnit.

Parameters:

timeUnit - muist not be null.

Returns:

Since:

1.8

deserializingGeoResultsConverter

public static <V> Converter<GeoResults<RedisGeoCommands.GeoLocation<byte[]>>,GeoResults<RedisGeoCommands.GeoLocation<V>>> deserializingGeoResultsConverter(RedisSerializer<V> serializer)

Converter capable of deserializing GeoResults.

Parameters:

serializer -

Returns:

Since:

1.8

distanceConverterForMetric

public static Converter<Double,Distance> distanceConverterForMetric(Metric metric)

Converter capable of converting Double into Distance using given Metric.

Parameters:

metric -

Returns:

Since:

1.8

toProperties

public static Properties toProperties(List<String> input)

Converts array outputs with key-value sequences (such as produced by CONFIG GET) from a List to Properties.

Parameters:

input - must not be null.

Returns:

the mapped result.

Since:

2.0

listToPropertiesConverter

public static Converter<List<String>,Properties> listToPropertiesConverter()

Returns a converter to convert array outputs with key-value sequences (such as produced by CONFIG GET) from a List to Properties.

Returns:

the converter.

Since:

2.0

mapToPropertiesConverter

public static <K,V> Converter<Map<K,V>,Properties> mapToPropertiesConverter()

Returns a converter to convert from Map to Properties.

Returns:

the converter.

Since:

2.0

secondsToDuration

@Nullable
public static Duration secondsToDuration(@Nullable
                                                   Long seconds)

Convert the given nullable seconds to a Duration or null.

Parameters:

seconds - can be null.

Returns:

given seconds as Duration or null.

Since:

2.1