Package org.leo.aws.ddb.utils

Class DbUtils

java.lang.Object

org.leo.aws.ddb.utils.DbUtils

public final class DbUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static DateTimeFormatter	DATE_TIME_FORMATTER
private static org.slf4j.Logger	LOGGER
private static com.fasterxml.jackson.databind.ObjectMapper	OBJECT_MAPPER
private static TimeZone	SERVER_TIME_ZONE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DbUtils()

Method Summary

Modifier and Type	Method	Description
static Object	attributeToArray(Field field, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
static Object	attributeToCollection(Field field, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue, rx.functions.Func0<Collection> collectionFunc)
static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue,Object>	attributeToModel(Field field)
static void	checkForNullFields(DbAttribute dbAttribute, Object value, String fieldName)
static List<?>	convertAttributeValueToList(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
static Map<String,Object>	convertAttributeValueToMap(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
private static String	convertNumberToString(Number value)
private static Number	convertToNumber(Class numberClass, String value)
private static Collection	createValueCollection(Field field, List<String> attributeValueList, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue, rx.functions.Func1<Stream,Collection> collectionFunc)
private static Collection	createValueCollection(List<String> attributeValueList, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue, rx.functions.Func1<Stream,Collection> collectionFunc, Class<?> paramType)
private static List	createValueList(Field field, List<String> attributeValueList, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
private static Set	createValueSet(Field field, List<String> attributeValueList, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
static String	formatDynamoDbDate(Date date)
private static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder>	getAttributeValueFromList(Collection values, rx.functions.Func1<Collection,Class<?>> paramTypeFunc)
static Map<String,software.amazon.awssdk.services.dynamodb.model.AttributeValue>	getAttributeValueFromMap(Map<String,Object> valuesMap)
static long	getItemExpirationByTTLType(String ttlType, long ttlValue)
private static Class<?>	getParameterizedType(Field field)
private static Tuple<String,software.amazon.awssdk.services.dynamodb.model.AttributeValue>	getStringAttributeValueFromMapEntry(Map.Entry<String,Object> entry)
static List<Tuple<String,software.amazon.awssdk.services.dynamodb.model.AttributeValueUpdate>>	getUpdatedTime(Map<String,Object> updatedValues, rx.functions.Func0<Tuple<String,Field>> dateUpdateFieldTupleFunc)
private static Object	getValueFromAttributeValue(software.amazon.awssdk.services.dynamodb.model.AttributeValue attValue)
static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValueUpdate.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValueUpdate.Builder>	modelToAttributeUpdateValue(Field field, Object value)
static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder>	modelToAttributeValue(Object value, Class<?> fieldType, rx.functions.Func1<Collection,Class<?>> paramTypeFuncForList)
static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder>	modelToAttributeValue(Field field, Object value)
static Date	parseDynamoDbDate(String formattedDate)
static Object	serializeValue(Field field, Object value)
private static Object	toArrayObject(Class<?> arrayType, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
private static List<?>	toListObject(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue, Class paramType)
private static <T> T	toMappedObject(Class<T> mappedClass, software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)
private static Map<String,?>	toMappedObject(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

Methods inherited from class java.lang.Object

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

Field Detail

SERVER_TIME_ZONE

private static final TimeZone SERVER_TIME_ZONE

DATE_TIME_FORMATTER

private static final DateTimeFormatter DATE_TIME_FORMATTER

LOGGER

private static final org.slf4j.Logger LOGGER

OBJECT_MAPPER

private static final com.fasterxml.jackson.databind.ObjectMapper OBJECT_MAPPER

Constructor Detail

DbUtils

private DbUtils()

Method Detail

getItemExpirationByTTLType

public static long getItemExpirationByTTLType(String ttlType,
                                              long ttlValue)

attributeToModel

public static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue,Object> attributeToModel(Field field)

attributeToArray

public static Object attributeToArray(Field field,
                                      software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

attributeToCollection

public static Object attributeToCollection(Field field,
                                           software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue,
                                           rx.functions.Func0<Collection> collectionFunc)

getParameterizedType

private static Class<?> getParameterizedType(Field field)

createValueCollection

private static Collection createValueCollection(Field field,
                                                List<String> attributeValueList,
                                                software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue,
                                                rx.functions.Func1<Stream,Collection> collectionFunc)

createValueCollection

private static Collection createValueCollection(List<String> attributeValueList,
                                                software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue,
                                                rx.functions.Func1<Stream,Collection> collectionFunc,
                                                Class<?> paramType)

createValueSet

private static Set createValueSet(Field field,
                                  List<String> attributeValueList,
                                  software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

createValueList

private static List createValueList(Field field,
                                    List<String> attributeValueList,
                                    software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

convertToNumber

private static Number convertToNumber(Class numberClass,
                                      String value)

convertNumberToString

private static String convertNumberToString(Number value)

toMappedObject

private static Map<String,?> toMappedObject(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

toMappedObject

private static <T> T toMappedObject(Class<T> mappedClass,
                                    software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

toListObject

private static List<?> toListObject(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue,
                                    Class paramType)

toArrayObject

private static Object toArrayObject(Class<?> arrayType,
                                    software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

serializeValue

public static Object serializeValue(Field field,
                                    Object value)

modelToAttributeUpdateValue

public static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValueUpdate.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValueUpdate.Builder> modelToAttributeUpdateValue(Field field,
                                                                                                                                                                                                                            Object value)

checkForNullFields

public static void checkForNullFields(DbAttribute dbAttribute,
                                      Object value,
                                      String fieldName)

modelToAttributeValue

public static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder> modelToAttributeValue(Field field,
                                                                                                                                                                                                          Object value)

modelToAttributeValue

public static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder> modelToAttributeValue(Object value,
                                                                                                                                                                                                          Class<?> fieldType,
                                                                                                                                                                                                          rx.functions.Func1<Collection,Class<?>> paramTypeFuncForList)

getAttributeValueFromList

private static rx.functions.Func1<software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder,software.amazon.awssdk.services.dynamodb.model.AttributeValue.Builder> getAttributeValueFromList(Collection values,
                                                                                                                                                                                                               rx.functions.Func1<Collection,Class<?>> paramTypeFunc)

getAttributeValueFromMap

public static Map<String,software.amazon.awssdk.services.dynamodb.model.AttributeValue> getAttributeValueFromMap(Map<String,Object> valuesMap)

getStringAttributeValueFromMapEntry

private static Tuple<String,software.amazon.awssdk.services.dynamodb.model.AttributeValue> getStringAttributeValueFromMapEntry(Map.Entry<String,Object> entry)

getUpdatedTime

public static List<Tuple<String,software.amazon.awssdk.services.dynamodb.model.AttributeValueUpdate>> getUpdatedTime(Map<String,Object> updatedValues,
                                                                                                                           rx.functions.Func0<Tuple<String,Field>> dateUpdateFieldTupleFunc)

formatDynamoDbDate

public static String formatDynamoDbDate(Date date)

parseDynamoDbDate

public static Date parseDynamoDbDate(String formattedDate)

convertAttributeValueToMap

public static Map<String,Object> convertAttributeValueToMap(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)

getValueFromAttributeValue

private static Object getValueFromAttributeValue(software.amazon.awssdk.services.dynamodb.model.AttributeValue attValue)

convertAttributeValueToList

public static List<?> convertAttributeValueToList(software.amazon.awssdk.services.dynamodb.model.AttributeValue attributeValue)