ActiveEntity (hutool 5.8.41 API)

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<K,V>
  - - java.util.LinkedHashMap<String,Object>
    - - cn.hutool.core.lang.Dict
      - cn.hutool.db.Entity
        
        cn.hutool.db.ActiveEntity

All Implemented Interfaces:

BasicTypeGetter<String>, Serializable, Cloneable, Map<String,Object>
```
public class ActiveEntity
extends Entity
```
动态实体类
提供了针对自身实体的增删改方法

Author:

Looly

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

Constructors
Constructor and Description
`ActiveEntity()` 构造
`ActiveEntity(Db db, Entity entity)` 构造
`ActiveEntity(Db db, String tableName)` 构造
`ActiveEntity(Entity entity)` 构造
`ActiveEntity(String tableName)` 构造

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`ActiveEntity`	`add()` 根据Entity中现有字段条件从数据库中增加一条数据
`ActiveEntity`	`addFieldNames(String... fieldNames)` 添加字段列表
`ActiveEntity`	`clone()`
`static ActiveEntity`	`create()` 创建ActiveEntity
`static ActiveEntity`	`create(String tableName)` 创建ActiveEntity
`ActiveEntity`	`del()` 根据现有Entity中的条件删除与之匹配的数据库记录
`ActiveEntity`	`load()` 根据Entity中现有字段条件从数据库中加载一个Entity对象
`static <T> ActiveEntity`	`parse(T bean)` 将PO对象转为Entity
`static <T> ActiveEntity`	`parse(T bean, boolean isToUnderlineCase, boolean ignoreNullValue)` 将PO对象转为ActiveEntity
`<T> ActiveEntity`	`parseBean(T bean)` 将值对象转换为Entity 类名会被当作表名，小写第一个字母
`<T> ActiveEntity`	`parseBean(T bean, boolean isToUnderlineCase, boolean ignoreNullValue)` 将值对象转换为Entity 类名会被当作表名，小写第一个字母
`static <T> ActiveEntity`	`parseWithUnderlineCase(T bean)` 将PO对象转为ActiveEntity,并采用下划线法转换字段
`ActiveEntity`	`set(String field, Object value)` 设置列
`ActiveEntity`	`setFieldNames(Collection<String> fieldNames)` 设置字段列表，用于限制加入的字段的值
`ActiveEntity`	`setFieldNames(String... fieldNames)` 设置字段列表，用于限制加入的字段的值
`ActiveEntity`	`setFields(Func0<?>... fields)` 通过lambda批量设置值
`ActiveEntity`	`setIgnoreNull(String field, Object value)` 设置列，当键或值为null时忽略
`ActiveEntity`	`setTableName(String tableName)` 设置表名
`ActiveEntity`	`update(String primaryKey)` 根据现有Entity中的条件删除与之匹配的数据库记录

Methods inherited from class cn.hutool.db.Entity
addCondition, filter, getBlob, getClob, getDate, getFieldNames, getRowId, getRowId, getStr, getStr, getTableName, getTime, getTimestamp, removeNew, toString

Methods inherited from class cn.hutool.core.lang.Dict
compute, computeIfAbsent, computeIfPresent, containsKey, customKey, get, get, getBean, getBigDecimal, getBigInteger, getBool, getByPath, getByPath, getByte, getBytes, getChar, getDouble, getEnum, getFloat, getInt, getLong, getNumber, getObj, getOrDefault, getShort, merge, of, of, put, putAll, putIfAbsent, remove, remove, removeEqual, replace, replace, toBean, toBean, toBean, toBeanIgnoreCase, toBeanIgnoreCase, toBeanWithCamelCase

Methods inherited from class java.util.LinkedHashMap
clear, containsValue, entrySet, forEach, keySet, removeEldestEntry, replaceAll, values

Methods inherited from class java.util.HashMap
isEmpty, size

Methods inherited from class java.util.AbstractMap
equals, hashCode

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
equals, hashCode, isEmpty, size

- Constructor Detail
  - ActiveEntity
```
public ActiveEntity()
```
    构造
  - ActiveEntity
```
public ActiveEntity(String tableName)
```
    构造
    
    Parameters:
    
    tableName - 表名
  - ActiveEntity
```
public ActiveEntity(Entity entity)
```
    构造
    
    Parameters:
    
    entity - 非动态实体
  - ActiveEntity
```
public ActiveEntity(Db db,
                    String tableName)
```
    构造
    
    Parameters:
    
    db - Db
    
    tableName - 表名
  - ActiveEntity
```
public ActiveEntity(Db db,
                    Entity entity)
```
    构造
    
    Parameters:
    
    db - Db
    
    entity - 非动态实体
- Method Detail
  - create
```
public static ActiveEntity create()
```
    创建ActiveEntity
    
    Returns:
    
    ActiveEntity
  - create
```
public static ActiveEntity create(String tableName)
```
    创建ActiveEntity
    
    Parameters:
    
    tableName - 表名
    
    Returns:
    
    ActiveEntity
  - parse
```
public static <T> ActiveEntity parse(T bean)
```
    将PO对象转为Entity
    
    Type Parameters:
    
    T - Bean对象类型
    
    Parameters:
    
    bean - Bean对象
    
    Returns:
    
    ActiveEntity
  - parse
```
public static <T> ActiveEntity parse(T bean,
                                     boolean isToUnderlineCase,
                                     boolean ignoreNullValue)
```
    将PO对象转为ActiveEntity
    
    Type Parameters:
    
    T - Bean对象类型
    
    Parameters:
    
    bean - Bean对象
    
    isToUnderlineCase - 是否转换为下划线模式
    
    ignoreNullValue - 是否忽略值为空的字段
    
    Returns:
    
    ActiveEntity
  - parseWithUnderlineCase
```
public static <T> ActiveEntity parseWithUnderlineCase(T bean)
```
    将PO对象转为ActiveEntity,并采用下划线法转换字段
    
    Type Parameters:
    
    T - Bean对象类型
    
    Parameters:
    
    bean - Bean对象
    
    Returns:
    
    ActiveEntity
  - setTableName
```
public ActiveEntity setTableName(String tableName)
```
    Description copied from class: Entity
    
    设置表名
    
    Overrides:
    
    setTableName in class Entity
    
    Parameters:
    
    tableName - 表名
    
    Returns:
    
    本身
  - setFieldNames
```
public ActiveEntity setFieldNames(Collection<String> fieldNames)
```
    Description copied from class: Entity
    
    设置字段列表，用于限制加入的字段的值
    
    Overrides:
    
    setFieldNames in class Entity
    
    Parameters:
    
    fieldNames - 字段列表
    
    Returns:
    
    自身
  - setFieldNames
```
public ActiveEntity setFieldNames(String... fieldNames)
```
    Description copied from class: Entity
    
    设置字段列表，用于限制加入的字段的值
    
    Overrides:
    
    setFieldNames in class Entity
    
    Parameters:
    
    fieldNames - 字段列表
    
    Returns:
    
    自身
  - setFields
```
public ActiveEntity setFields(Func0<?>... fields)
```
    通过lambda批量设置值
    
    Overrides:
    
    setFields in class Entity
    
    Parameters:
    
    fields - lambda,不能为空
    
    Returns:
    
    this
  - addFieldNames
```
public ActiveEntity addFieldNames(String... fieldNames)
```
    Description copied from class: Entity
    
    添加字段列表
    
    Overrides:
    
    addFieldNames in class Entity
    
    Parameters:
    
    fieldNames - 字段列表
    
    Returns:
    
    自身
  - parseBean
```
public <T> ActiveEntity parseBean(T bean)
```
    Description copied from class: Entity
    
    将值对象转换为Entity
    类名会被当作表名，小写第一个字母
    
    Overrides:
    
    parseBean in class Entity
    
    Type Parameters:
    
    T - Bean对象类型
    
    Parameters:
    
    bean - Bean对象
    
    Returns:
    
    自己
  - parseBean
```
public <T> ActiveEntity parseBean(T bean,
                                  boolean isToUnderlineCase,
                                  boolean ignoreNullValue)
```
    Description copied from class: Entity
    
    将值对象转换为Entity
    类名会被当作表名，小写第一个字母
    
    Overrides:
    
    parseBean in class Entity
    
    Type Parameters:
    
    T - Bean对象类型
    
    Parameters:
    
    bean - Bean对象
    
    isToUnderlineCase - 是否转换为下划线模式
    
    ignoreNullValue - 是否忽略值为空的字段
    
    Returns:
    
    自己
  - set
```
public ActiveEntity set(String field,
                        Object value)
```
    Description copied from class: Dict
    
    设置列
    
    Overrides:
    
    set in class Entity
    
    Parameters:
    
    field - 属性
    
    value - 值
    
    Returns:
    
    本身
  - setIgnoreNull
```
public ActiveEntity setIgnoreNull(String field,
                                  Object value)
```
    Description copied from class: Dict
    
    设置列，当键或值为null时忽略
    
    Overrides:
    
    setIgnoreNull in class Entity
    
    Parameters:
    
    field - 属性
    
    value - 值
    
    Returns:
    
    本身
  - clone
```
public ActiveEntity clone()
```
    Overrides:
    
    clone in class Entity
  - add
```
public ActiveEntity add()
```
    根据Entity中现有字段条件从数据库中增加一条数据
    
    Returns:
    
    this
  - load
```
public ActiveEntity load()
```
    根据Entity中现有字段条件从数据库中加载一个Entity对象
    
    Returns:
    
    this
  - del
```
public ActiveEntity del()
```
    根据现有Entity中的条件删除与之匹配的数据库记录
    
    Returns:
    
    this
  - update
```
public ActiveEntity update(String primaryKey)
```
    根据现有Entity中的条件删除与之匹配的数据库记录
    
    Parameters:
    
    primaryKey - 主键名
    
    Returns:
    
    this

Class ActiveEntity

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

Constructor Summary

Method Summary

Methods inherited from class cn.hutool.db.Entity

Methods inherited from class cn.hutool.core.lang.Dict

Methods inherited from class java.util.LinkedHashMap

Methods inherited from class java.util.HashMap

Methods inherited from class java.util.AbstractMap

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Map

Constructor Detail

ActiveEntity

ActiveEntity

ActiveEntity

ActiveEntity

ActiveEntity

Method Detail

create

create

parse

parse

parseWithUnderlineCase

setTableName

setFieldNames

setFieldNames

setFields

addFieldNames

parseBean

parseBean

set

setIgnoreNull

clone

add

load

del

update