java.lang.Object
- org.hibernate.mapping.Column

所有已实现的接口:

Serializable, Cloneable, Selectable

直接已知子类:

ExportableColumn
```
public class Column
extends Object
implements Selectable, Serializable, Cloneable
```
A column of a relational database table

作者:

Gavin King

另请参阅:

序列化表格

字段概要

字段
修饰符和类型字段说明

static int DEFAULT_LENGTH

static int DEFAULT_PRECISION

static int DEFAULT_SCALE

构造器概要

构造器
构造器说明

Column()

Column(String columnName)

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`Column`	`clone()`	Shallow copy, the value is not copied
`boolean`	`equals(Object object)`
`boolean`	`equals(Column column)`
`String`	`getAlias(Dialect dialect)`
`String`	`getAlias(Dialect dialect, Table table)`	Generate a column alias that is unique across multiple tables
`String`	`getCanonicalName()`
`String`	`getCheckConstraint()`
`String`	`getComment()`
`String`	`getCustomRead()`
`String`	`getCustomWrite()`
`String`	`getDefaultValue()`
`int`	`getLength()`
`String`	`getName()`
`int`	`getPrecision()`
`String`	`getQuotedName()`	returns quoted name as it would be in the mapping file.
`String`	`getQuotedName(Dialect d)`
`String`	`getReadExpr(Dialect dialect)`
`int`	`getScale()`
`String`	`getSqlType()`
`String`	`getSqlType(Dialect dialect, Mapping mapping)`
`Integer`	`getSqlTypeCode()`	Returns the underlying columns sqltypecode.
`int`	`getSqlTypeCode(Mapping mapping)`
`String`	`getTemplate(Dialect dialect, SQLFunctionRegistry functionRegistry)`
`String`	`getText()`
`String`	`getText(Dialect d)`
`int`	`getTypeIndex()`
`Value`	`getValue()`
`String`	`getWriteExpr()`
`boolean`	`hasCheckConstraint()`
`boolean`	`hasCustomRead()`
`int`	`hashCode()`
`boolean`	`isFormula()`
`boolean`	`isNullable()`
`boolean`	`isQuoted()`
`boolean`	`isUnique()`
`void`	`setCheckConstraint(String checkConstraint)`
`void`	`setComment(String comment)`
`void`	`setCustomRead(String customRead)`
`void`	`setCustomWrite(String customWrite)`
`void`	`setDefaultValue(String defaultValue)`
`void`	`setLength(int length)`
`void`	`setName(String name)`
`void`	`setNullable(boolean nullable)`
`void`	`setPrecision(int scale)`
`void`	`setScale(int scale)`
`void`	`setSqlType(String sqlType)`
`void`	`setSqlTypeCode(Integer typeCode)`
`void`	`setTypeIndex(int typeIndex)`
`void`	`setUnique(boolean unique)`
`void`	`setValue(Value value)`
`String`	`toString()`

从类继承的方法 java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料
- DEFAULT_LENGTH
```
public static final int DEFAULT_LENGTH
```
  另请参阅:
  
  常量字段值
- DEFAULT_PRECISION
```
public static final int DEFAULT_PRECISION
```
  另请参阅:
  
  常量字段值
- DEFAULT_SCALE
```
public static final int DEFAULT_SCALE
```
  另请参阅:
  
  常量字段值

构造器详细资料

Column
```
public Column()
```

Column
```
public Column(String columnName)
```

方法详细资料

getLength
```
public int getLength()
```

setLength
```
public void setLength(int length)
```

getValue
```
public Value getValue()
```

setValue
```
public void setValue(Value value)
```

getName
```
public String getName()
```

setName
```
public void setName(String name)
```

getQuotedName
```
public String getQuotedName()
```
returns quoted name as it would be in the mapping file.

getQuotedName

public String getQuotedName(Dialect d)

getAlias

public String getAlias(Dialect dialect)

指定者:: getAlias 在接口中 Selectable

getAlias

public String getAlias(Dialect dialect,
                       Table table)

Generate a column alias that is unique across multiple tables

指定者:: getAlias 在接口中 Selectable

isNullable
```
public boolean isNullable()
```

setNullable

public void setNullable(boolean nullable)

getTypeIndex
```
public int getTypeIndex()
```

setTypeIndex

public void setTypeIndex(int typeIndex)

isUnique
```
public boolean isUnique()
```

hashCode
```
public int hashCode()
```
覆盖:

hashCode 在类中 Object

equals

public boolean equals(Object object)

覆盖:: equals 在类中 Object

equals

public boolean equals(Column column)

getSqlTypeCode

public int getSqlTypeCode(Mapping mapping)
                   throws MappingException

抛出:: MappingException

getSqlTypeCode
```
public Integer getSqlTypeCode()
```
Returns the underlying columns sqltypecode. If null, it is because the sqltype code is unknown.
Use #getSqlTypeCode(Mapping) to retrieve the sqltypecode used for the columns associated Value/Type.

返回:

sqlTypeCode if it is set, otherwise null.

setSqlTypeCode

public void setSqlTypeCode(Integer typeCode)

getSqlType

public String getSqlType(Dialect dialect,
                         Mapping mapping)
                  throws HibernateException

抛出:: HibernateException

getSqlType
```
public String getSqlType()
```

setSqlType

public void setSqlType(String sqlType)

setUnique

public void setUnique(boolean unique)

isQuoted
```
public boolean isQuoted()
```

toString
```
public String toString()
```
覆盖:

toString 在类中 Object

getCheckConstraint
```
public String getCheckConstraint()
```

setCheckConstraint

public void setCheckConstraint(String checkConstraint)

hasCheckConstraint
```
public boolean hasCheckConstraint()
```

getTemplate

public String getTemplate(Dialect dialect,
                          SQLFunctionRegistry functionRegistry)

指定者:: getTemplate 在接口中 Selectable

hasCustomRead
```
public boolean hasCustomRead()
```

getReadExpr

public String getReadExpr(Dialect dialect)

getWriteExpr
```
public String getWriteExpr()
```

isFormula
```
public boolean isFormula()
```
指定者:

isFormula 在接口中 Selectable

getText
```
public String getText(Dialect d)
```
指定者:

getText 在接口中 Selectable

getText
```
public String getText()
```
指定者:

getText 在接口中 Selectable

getPrecision
```
public int getPrecision()
```

setPrecision

public void setPrecision(int scale)

getScale
```
public int getScale()
```

setScale
```
public void setScale(int scale)
```

getComment
```
public String getComment()
```

setComment

public void setComment(String comment)

getDefaultValue
```
public String getDefaultValue()
```

setDefaultValue

public void setDefaultValue(String defaultValue)

getCustomWrite
```
public String getCustomWrite()
```

setCustomWrite

public void setCustomWrite(String customWrite)

getCustomRead
```
public String getCustomRead()
```

setCustomRead

public void setCustomRead(String customRead)

getCanonicalName
```
public String getCanonicalName()
```

clone
```
public Column clone()
```
Shallow copy, the value is not copied

覆盖:

clone 在类中 Object

修饰符和类型	字段	说明
`static int`	`DEFAULT_LENGTH`
`static int`	`DEFAULT_PRECISION`
`static int`	`DEFAULT_SCALE`

构造器
构造器	说明
`Column()`
`Column(String columnName)`

类 Column

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

DEFAULT_LENGTH

DEFAULT_PRECISION

DEFAULT_SCALE

构造器详细资料

Column

Column

方法详细资料

getLength

setLength

getValue

setValue

getName

setName

getQuotedName

getQuotedName

getAlias

getAlias

isNullable

setNullable

getTypeIndex

setTypeIndex

isUnique

hashCode

equals

equals

getSqlTypeCode

getSqlTypeCode

setSqlTypeCode

getSqlType

getSqlType

setSqlType

setUnique

isQuoted

toString

getCheckConstraint

setCheckConstraint

hasCheckConstraint

getTemplate

hasCustomRead

getReadExpr

getWriteExpr

isFormula

getText

getText

getPrecision

setPrecision

getScale

setScale

getComment

setComment

getDefaultValue

setDefaultValue

getCustomWrite

setCustomWrite

getCustomRead

setCustomRead

getCanonicalName

clone