io.seata.rm.tcc.interceptor

类 ActionContextUtil

java.lang.Object

io.seata.rm.tcc.interceptor.ActionContextUtil

public final class ActionContextUtil
extends Object

Extracting TCC Context from Method

方法概要

限定符和类型	方法和说明
static <T> T	convertActionContext(String key, Object value, Class<T> targetClazz) Convert action context
static Map<String,Object>	fetchContextFromObject(Object targetParam) Extracting context data from parameters
static String	getParamNameFromAnnotation(BusinessActionContextParameter annotation)
static Object	handleActionContext(Object actionContext) Handle the action context.
static void	loadParamByAnnotationAndPutToContext(ParamType paramType, String paramName, Object paramValue, BusinessActionContextParameter annotation, Map<String,Object> actionContext) load param by the config of annotation, and then put into the action context
static boolean	putActionContext(Map<String,Object> actionContext, Map<String,Object> actionContextMap) put the action context after handle
static boolean	putActionContext(Map<String,Object> actionContext, String key, Object value) put the action context after handle
static boolean	putActionContextWithoutHandle(Map<String,Object> actionContext, Map<String,Object> actionContextMap) put the action context without handle
static boolean	putActionContextWithoutHandle(Map<String,Object> actionContext, String key, Object value) put the action context without handle

从类继承的方法 java.lang.Object

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

方法详细资料

fetchContextFromObject

public static Map<String,Object> fetchContextFromObject(@Nonnull
                                                        Object targetParam)

Extracting context data from parameters

参数:

targetParam - the target param

返回:

map the context

loadParamByAnnotationAndPutToContext

public static void loadParamByAnnotationAndPutToContext(@Nonnull
                                                        ParamType paramType,
                                                        @Nonnull
                                                        String paramName,
                                                        Object paramValue,
                                                        @Nonnull
                                                        BusinessActionContextParameter annotation,
                                                        @Nonnull
                                                        Map<String,Object> actionContext)

load param by the config of annotation, and then put into the action context

参数:

paramType - the param type, 'param' or 'field'

paramName - the param name

paramValue - the param value

annotation - the annotation on the param or field

actionContext - the action context

getParamNameFromAnnotation

public static String getParamNameFromAnnotation(@Nonnull
                                                BusinessActionContextParameter annotation)

putActionContext

public static boolean putActionContext(Map<String,Object> actionContext,
                                       String key,
                                       Object value)

put the action context after handle

参数:

actionContext - the action context

key - the actionContext's key

value - the actionContext's value

返回:

the action context is changed

putActionContext

public static boolean putActionContext(Map<String,Object> actionContext,
                                       @Nonnull
                                       Map<String,Object> actionContextMap)

put the action context after handle

参数:

actionContext - the action context

actionContextMap - the actionContextMap

返回:

the action context is changed

putActionContextWithoutHandle

public static boolean putActionContextWithoutHandle(@Nonnull
                                                    Map<String,Object> actionContext,
                                                    String key,
                                                    Object value)

put the action context without handle

参数:

actionContext - the action context

key - the actionContext's key

value - the actionContext's value

返回:

the action context is changed

putActionContextWithoutHandle

public static boolean putActionContextWithoutHandle(Map<String,Object> actionContext,
                                                    @Nonnull
                                                    Map<String,Object> actionContextMap)

put the action context without handle

参数:

actionContext - the action context

actionContextMap - the actionContextMap

返回:

the action context is changed

handleActionContext

public static Object handleActionContext(@Nonnull
                                         Object actionContext)

Handle the action context. It is convenient to convert type in phase 2.

参数:

actionContext - the action context

返回:

the action context or JSON string

另请参阅:

convertActionContext(String, Object, Class), BusinessActionContext.getActionContext(String, Class)

convertActionContext

public static <T> T convertActionContext(String key,
                                         @Nullable
                                         Object value,
                                         @Nonnull
                                         Class<T> targetClazz)

Convert action context

类型参数:

T - the target type

参数:

key - the actionContext's key

value - the actionContext's value

targetClazz - the target class

返回:

the action context of the target type