VarObject (sorm-码云(gitee.com))

java.lang.Object
- sf.core.DBObject
- - sf.database.VarObject

All Implemented Interfaces:

Serializable, AutoCloseable, Map<String,Object>, IAssignValue, IDML, IEntity
```
public final class VarObject
extends DBObject
implements Map<String,Object>
```
记录对象动态表使用

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K,V>

Field Summary
- Fields inherited from class sf.core.DBObject
  _recordUpdate, query, updateValueMap

Constructor Summary

Constructors
Modifier Constructor and Description

protected VarObject()

VarObject(TableMapping meta)

VarObject(TableMapping meta, boolean recordField)

Constructors
Modifier	Constructor and Description
`protected`	`VarObject()`
	`VarObject(TableMapping meta)`
	`VarObject(TableMapping meta, boolean recordField)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`clear()`
`boolean`	`containsKey(Object key)`
`boolean`	`containsValue(Object value)`
`Set<Map.Entry<String,Object>>`	`entrySet()`
`boolean`	`equals(Object obj)`
`Object`	`get(Object key)`
`Object`	`get(String key)` 得到一个字段值
`Boolean`	`getBoolean(String key)` 得到字段值，类型转换为Boolean
`Byte`	`getByte(String key)`
`Collection<VarObject>`	`getCollection(String key)` 得到字段值，并转换为Collection
`<T> Collection<T>`	`getCollection(String key, Class<T> clz)` 得到字段值，并转换为Collection
`Double`	`getDouble(String key)` 得到字段值，类型转换为Double
`Integer`	`getInteger(String key)` 得到字段值，类型转换为Integer
`List<VarObject>`	`getList(String key)` 得到字段值，并转换为List
`<T> List<T>`	`getList(String key, Class<T> clz)` 得到字段值，并转换为List类型
`Long`	`getLong(String key)` 得到字段值，类型转换为Long
`Short`	`getShort(String key)`
`String`	`getString(String key)` 得到字段值，类型转换为String
`int`	`hashCode()`
`boolean`	`isEmpty()`
`Set<String>`	`keySet()`
`Object`	`put(String key, Object value)`
`void`	`putAll(Map<? extends String,?> m)`
`Object`	`remove(Object key)`
`VarObject`	`set(String key, Object value)` 设置字段的值，增加了字段名和数据类型的校验，可以安全地设置数值
`int`	`size()`
`String`	`toString()`
`Collection<Object>`	`values()`

Methods inherited from class sf.core.DBObject
applyUpdate, beforeGet, beforeSet, bindRowid, calculateHashCode, clearQuery, clearUpdate, close, fieldIndex, getTail, hasQuery, hasUsed, isEquals, needUpdate, prepareUpdate, pull, pull, push, push, rowid, setTail, startUpdate, stopUpdate, touchUsedFlag, updateValueMap, useQuery

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

Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

- Constructor Detail
  - VarObject
```
protected VarObject()
```
  - VarObject
```
public VarObject(TableMapping meta)
```
  - VarObject
```
public VarObject(TableMapping meta,
                 boolean recordField)
```
- Method Detail
  - get
```
public Object get(String key)
```
    得到一个字段值
    
    Parameters:
    
    key -
    
    Returns:
  - getList
```
public List<VarObject> getList(String key)
```
    得到字段值，并转换为List
    
    Parameters:
    
    key -
    
    Returns:
    
    将类型强制转换为List并返回。由于泛型擦除机制，并不能保证每个元素都是VarObject
    
    Throws:
    
    ClassCastException - 当目标类型不能转换为List时
  - getCollection
```
public Collection<VarObject> getCollection(String key)
```
    得到字段值，并转换为Collection
    
    Parameters:
    
    key -
    
    Returns:
    
    将类型强制转换为Collection并返回。由于泛型擦除机制，并不能保证每个元素都是VarObject
    
    Throws:
    
    ClassCastException - 当目标类型不能转换为Collection时
  - getList
```
public <T> List<T> getList(String key,
                           Class<T> clz)
```
    得到字段值，并转换为List类型
    
    Parameters:
    
    key -
    
    clz -
    
    Returns:
  - getCollection
```
public <T> Collection<T> getCollection(String key,
                                       Class<T> clz)
```
    得到字段值，并转换为Collection
    
    Parameters:
    
    key -
    
    Returns:
    
    将类型强制转换为Collection并返回。由于泛型擦除机制，并不能保证每个元素都是T
    
    Throws:
    
    ClassCastException - 当目标类型不能转换为Collection时
  - getString
```
public String getString(String key)
```
    得到字段值，类型转换为String
    
    Parameters:
    
    key -
    
    Returns:
  - getByte
```
public Byte getByte(String key)
```
  - getShort
```
public Short getShort(String key)
```
  - getInteger
```
public Integer getInteger(String key)
```
    得到字段值，类型转换为Integer
    
    Parameters:
    
    key -
    
    Returns:
  - getLong
```
public Long getLong(String key)
```
    得到字段值，类型转换为Long
    
    Parameters:
    
    key -
    
    Returns:
  - getDouble
```
public Double getDouble(String key)
```
    得到字段值，类型转换为Double
    
    Parameters:
    
    key -
    
    Returns:
  - getBoolean
```
public Boolean getBoolean(String key)
```
    得到字段值，类型转换为Boolean
    
    Parameters:
    
    key -
    
    Returns:
  - set
```
public VarObject set(String key,
                     Object value)
```
    设置字段的值，增加了字段名和数据类型的校验，可以安全地设置数值
    
    Parameters:
    
    key -
    
    value -
    
    Returns:
  - size
```
public int size()
```
    Specified by:
    
    size in interface Map<String,Object>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Map<String,Object>
  - containsKey
```
public boolean containsKey(Object key)
```
    Specified by:
    
    containsKey in interface Map<String,Object>
  - containsValue
```
public boolean containsValue(Object value)
```
    Specified by:
    
    containsValue in interface Map<String,Object>
  - get
```
public Object get(Object key)
```
    Specified by:
    
    get in interface Map<String,Object>
  - put
```
public Object put(String key,
                  Object value)
```
    Specified by:
    
    put in interface Map<String,Object>
  - remove
```
public Object remove(Object key)
```
    Specified by:
    
    remove in interface Map<String,Object>
  - putAll
```
public void putAll(Map<? extends String,?> m)
```
    Specified by:
    
    putAll in interface Map<String,Object>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Map<String,Object>
  - keySet
```
public Set<String> keySet()
```
    Specified by:
    
    keySet in interface Map<String,Object>
  - values
```
public Collection<Object> values()
```
    Specified by:
    
    values in interface Map<String,Object>
  - entrySet
```
public Set<Map.Entry<String,Object>> entrySet()
```
    Specified by:
    
    entrySet in interface Map<String,Object>
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Map<String,Object>
    
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object obj)
```
    Specified by:
    
    equals in interface Map<String,Object>
    
    Overrides:
    
    equals in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class VarObject

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Field Summary

Fields inherited from class sf.core.DBObject

Constructor Summary

Method Summary

Methods inherited from class sf.core.DBObject

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Map

Constructor Detail

VarObject

VarObject

VarObject

Method Detail

get

getList

getCollection

getList

getCollection

getString

getByte

getShort

getInteger

getLong

getDouble

getBoolean

set

size

isEmpty

containsKey

containsValue

get

put

remove

putAll

clear

keySet

values

entrySet

hashCode

equals

toString