Package org.leo.aws.ddb.utils

Class Utils

java.lang.Object

org.leo.aws.ddb.utils.Utils

public final class Utils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static ReentrantReadWriteLock	LOCK
private static Long	MAX_RETRY_INTERVAL_IN_SECONDS_VAL
private static com.fasterxml.jackson.databind.ObjectMapper	OBJECT_MAPPER
private static Thread	SHUTDOWN_HOOK

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Utils()

Method Summary

Modifier and Type	Method	Description
static <T> T	constructFromJson(Class<T> clazz, String json)
static <T> T	constructFromJson(Class<T> clazz, String json, rx.functions.Func1<Throwable,? extends RuntimeException> exceptionFunc)
static <T> String	constructJson(T message)
static <T> String	constructJson(T message, rx.functions.Func1<Throwable,? extends RuntimeException> exceptionFunc)
static <X> List<X>	constructListFromJson(Class<X> paramType, String json)
static <X> List<X>	constructListFromJson(Class<X> paramType, String json, rx.functions.Func1<Throwable,? extends RuntimeException> exceptionFunc)
static <T> T	constructObject(Class<T> clazz)
static <T> T	constructObject(Constructor<T> constructor)
static <T> T	constructObject(Constructor<T> constructor, Object... args)
static List<Object>	convertArrayToList(Class<?> arrayType, Object value)
static void	executeUsingLock(Lock lock, rx.functions.Action0 function)
static <T> T	getFromFromFuture(Future<T> future)
static <T> Method	getMethod(Class<T> clazz, String methodName, Class<?>... params)
static String	getUnformattedNumber(Number number)
static <T> T	invokeMethod(Object obj, String methodName)
static Object	invokeMethod(Method method, Object obj, Object... args)
static Object	invokeMethod(String methodName, Class<?> clazz, Object obj, Class<?>[] argTypes, Object[] args)

Methods inherited from class java.lang.Object

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

Field Detail

OBJECT_MAPPER

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

MAX_RETRY_INTERVAL_IN_SECONDS_VAL

private static final Long MAX_RETRY_INTERVAL_IN_SECONDS_VAL

SHUTDOWN_HOOK

private static final Thread SHUTDOWN_HOOK

LOCK

private static final ReentrantReadWriteLock LOCK

Constructor Detail

Utils

private Utils()

Method Detail

constructListFromJson

public static <X> List<X> constructListFromJson(Class<X> paramType,
                                                String json)

constructListFromJson

public static <X> List<X> constructListFromJson(Class<X> paramType,
                                                String json,
                                                rx.functions.Func1<Throwable,? extends RuntimeException> exceptionFunc)

constructFromJson

public static <T> T constructFromJson(Class<T> clazz,
                                      String json)

constructFromJson

public static <T> T constructFromJson(Class<T> clazz,
                                      String json,
                                      rx.functions.Func1<Throwable,? extends RuntimeException> exceptionFunc)

constructJson

public static <T> String constructJson(T message)

constructJson

public static <T> String constructJson(T message,
                                       rx.functions.Func1<Throwable,? extends RuntimeException> exceptionFunc)

executeUsingLock

public static void executeUsingLock(Lock lock,
                                    rx.functions.Action0 function)

constructObject

public static <T> T constructObject(Constructor<T> constructor)

constructObject

public static <T> T constructObject(Constructor<T> constructor,
                                    Object... args)

invokeMethod

public static Object invokeMethod(String methodName,
                                  Class<?> clazz,
                                  Object obj,
                                  Class<?>[] argTypes,
                                  Object[] args)

invokeMethod

public static Object invokeMethod(Method method,
                                  Object obj,
                                  Object... args)

invokeMethod

public static <T> T invokeMethod(Object obj,
                                 String methodName)

getMethod

public static <T> Method getMethod(Class<T> clazz,
                                   String methodName,
                                   Class<?>... params)

getFromFromFuture

public static <T> T getFromFromFuture(Future<T> future)

constructObject

public static <T> T constructObject(Class<T> clazz)

convertArrayToList

public static List<Object> convertArrayToList(Class<?> arrayType,
                                              Object value)

getUnformattedNumber

public static String getUnformattedNumber(Number number)