Column (Hibernate JavaDocs)

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

All Implemented Interfaces:

Serializable, Cloneable, Selectable

Direct Known Subclasses:

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

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static int DEFAULT_LENGTH

static int DEFAULT_PRECISION

static int DEFAULT_SCALE

Fields
Modifier and Type	Field and Description
`static int`	`DEFAULT_LENGTH`
`static int`	`DEFAULT_PRECISION`
`static int`	`DEFAULT_SCALE`

Constructor Summary

Constructors
Constructor and Description

Column()

Column(String columnName)

Constructors
Constructor and Description
`Column()`
`Column(String columnName)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Column`	`clone()` Shallow copy, the value is not copied
`boolean`	`equals(Column column)`
`boolean`	`equals(Object object)`
`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()`

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

Field Detail
- DEFAULT_LENGTH
```
public static final int DEFAULT_LENGTH
```
  See Also:
  
  Constant Field Values
- DEFAULT_PRECISION
```
public static final int DEFAULT_PRECISION
```
  See Also:
  
  Constant Field Values
- DEFAULT_SCALE
```
public static final int DEFAULT_SCALE
```
  See Also:
  
  Constant Field Values

Constructor Detail

Column
```
public Column()
```

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

Method Detail

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)
```
Specified by:

getAlias in interface Selectable

getAlias
```
public String getAlias(Dialect dialect,
                       Table table)
```
Generate a column alias that is unique across multiple tables

Specified by:

getAlias in interface 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()
```
Overrides:

hashCode in class Object

equals
```
public boolean equals(Object object)
```
Overrides:

equals in class Object

equals
```
public boolean equals(Column column)
```

getSqlTypeCode

public int getSqlTypeCode(Mapping mapping)
                   throws MappingException

Throws:: MappingException

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

Returns:

sqlTypeCode if it is set, otherwise null.

setSqlTypeCode

public void setSqlTypeCode(Integer typeCode)

getSqlType

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

Throws:: 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()
```
Overrides:

toString in class Object

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

setCheckConstraint

public void setCheckConstraint(String checkConstraint)

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

getTemplate

public String getTemplate(Dialect dialect,
                          SQLFunctionRegistry functionRegistry)

Specified by:: getTemplate in interface Selectable

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

getReadExpr

public String getReadExpr(Dialect dialect)

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

isFormula
```
public boolean isFormula()
```
Specified by:

isFormula in interface Selectable

getText
```
public String getText(Dialect d)
```
Specified by:

getText in interface Selectable

getText
```
public String getText()
```
Specified by:

getText in interface 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

Overrides:

clone in class Object

Class Column

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_LENGTH

DEFAULT_PRECISION

DEFAULT_SCALE

Constructor Detail

Column

Column

Method Detail

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