top.xiajibagao.crane.core.operator.interfaces

接口 SourceReader

所有超级接口:

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

所有已知子接口:

OperateHandler, OperateProcessor

所有已知实现类:

AbstractOperateHandler, AbstractOperateProcessor, ArrayOperateHandler, BeanOperateHandler, BeanReflexOperateProcessor, CollectionOperateHandler, MapOperateHandler, NullOperateHandler

public interface SourceReader
extends OperateProcessorComponent, Orderly

用于根据配置，从指定数据源中读取数据

作者:

huangchengxing

另请参阅:

0.6.0

字段概要

从接口继承的字段 top.xiajibagao.crane.core.operator.interfaces.OperateProcessorComponent

OPERATE_GROUP_JAVA_BEAN, OPERATE_GROUP_JSON_BEAN

从接口继承的字段 top.xiajibagao.crane.core.helper.Orderly

ORDERLY_COMPARATOR

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

从接口继承的方法 top.xiajibagao.crane.core.operator.interfaces.OperateProcessorComponent

getRegisterGroups, isRegistrable

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