top.xiajibagao.crane.core.handler.interfaces

接口 OperateHandler

所有超级接口:

Comparable<Orderly>, org.springframework.core.Ordered, Orderly

所有已知子接口:

OperateHandlerChain

所有已知实现类:

AbstractOrderlyHandlerChain, ArrayOperateHandler, BeanOperateHandler, BeanReflexOperateHandlerChain, CollectionOperateHandler, MapOperateHandler, NullOperateHandler

public interface OperateHandler
extends Orderly

操作处理器
用于在Operator中从不同类型的数据结构中读取或写入所需数据

作者:

huangchengxing

字段概要

从接口继承的字段 org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

方法概要

限定符和类型	方法和说明
Object	readFromSource(Object source, PropertyMapping property, Operation operation) 从数据源中读取数据 source必须是sourceCanRead(Object, PropertyMapping, Operation)所支持的类型
boolean	sourceCanRead(Object source, PropertyMapping property, Operation operation) 是否支持从数据源中读取数据
boolean	targetCanWrite(Object sourceData, Object target, PropertyMapping property, AssembleOperation operation) 是否支持将数据源数据写入待处理对象
void	writeToTarget(Object sourceData, Object target, PropertyMapping property, AssembleOperation operation) 将数据源数据写入待处理对象 target必须是targetCanWrite(Object, Object, PropertyMapping, AssembleOperation)所支持的类型

从接口继承的方法 top.xiajibagao.crane.core.helper.Orderly

comparator, compareTo, getActualOrder, getOrder

方法详细资料

sourceCanRead

boolean sourceCanRead(@Nullable
                      Object source,
                      PropertyMapping property,
                      Operation operation)

是否支持从数据源中读取数据

参数:

source - 数据源

property - 待处理字段

operation - 字段配置

返回:

boolean

readFromSource

@Nullable
Object readFromSource(@Nullable
                                 Object source,
                                 PropertyMapping property,
                                 Operation operation)

从数据源中读取数据
source必须是sourceCanRead(Object, PropertyMapping, Operation)所支持的类型

参数:

source - 数据源

property - 待处理字段

operation - 字段配置

返回:

java.lang.Object

targetCanWrite

boolean targetCanWrite(@Nullable
                       Object sourceData,
                       @Nullable
                       Object target,
                       PropertyMapping property,
                       AssembleOperation operation)

是否支持将数据源数据写入待处理对象

参数:

sourceData - 从数据源获取的数据

target - 待处理对象

property - 待处理字段

operation - 字段配置

返回:

boolean

writeToTarget

void writeToTarget(@Nullable
                   Object sourceData,
                   @Nullable
                   Object target,
                   PropertyMapping property,
                   AssembleOperation operation)

将数据源数据写入待处理对象
target必须是targetCanWrite(Object, Object, PropertyMapping, AssembleOperation)所支持的类型

参数:

sourceData - 从数据源获取的数据

target - 待处理对象

property - 待处理字段

operation - 字段配置