Module bus.mapper

Package org.miaixz.bus.mapper.builder

Class ColumnAnnotationBuilder

java.lang.Object

org.miaixz.bus.mapper.builder.ColumnAnnotationBuilder

All Implemented Interfaces:

Comparable<org.miaixz.bus.core.Order>, org.miaixz.bus.core.Order, ColumnSchemaBuilder, ORDER

public class ColumnAnnotationBuilder
extends Object
implements ColumnSchemaBuilder

默认列构建器，支持 jakarta.persistence 注解的实体类，解析字段注解并生成列信息

Since:

Java 17+

Author:

Kimi Liu

Nested Class Summary

Nested classes/interfaces inherited from interface org.miaixz.bus.mapper.builder.ColumnSchemaBuilder

ColumnSchemaBuilder.Chain

Field Summary

Fields inherited from interface org.miaixz.bus.mapper.ORDER

ASC, DESC

Constructor Summary

Constructors

Constructor	Description
ColumnAnnotationBuilder()

Method Summary

Modifier and Type	Method	Description
org.miaixz.bus.core.lang.Optional<List<ColumnMeta>>	createColumn(TableMeta tableMeta, FieldMeta fieldMeta, ColumnSchemaBuilder.Chain chain)	创建实体列信息，解析字段注解并生成列元数据
protected void	processAnnotations(ColumnMeta columnMeta, FieldMeta fieldMeta)	处理字段上的注解，设置列的元数据属性

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.miaixz.bus.core.Order

compareTo, order

Constructor Details

ColumnAnnotationBuilder

public ColumnAnnotationBuilder()

Method Details

createColumn

public org.miaixz.bus.core.lang.Optional<List<ColumnMeta>> createColumn(TableMeta tableMeta,
 FieldMeta fieldMeta,
 ColumnSchemaBuilder.Chain chain)

创建实体列信息，解析字段注解并生成列元数据

Specified by:

createColumn in interface ColumnSchemaBuilder

Parameters:

tableMeta - 实体表信息，包含表元数据

fieldMeta - 字段信息，包含字段元数据

chain - 列工厂处理链，用于责任链模式

Returns:

列信息的 Optional 包装对象，若字段被忽略或标记为 Transient 则返回空列表

processAnnotations

protected void processAnnotations(ColumnMeta columnMeta,
 FieldMeta fieldMeta)

处理字段上的注解，设置列的元数据属性

Parameters:

columnMeta - 列元数据对象

fieldMeta - 字段元数据对象