org.datanucleus.store.schema.table

Class ColumnImpl

java.lang.Object

org.datanucleus.store.schema.table.ColumnImpl

All Implemented Interfaces:

Column

public class ColumnImpl
extends Object
implements Column

Representation of a column in a table.

Constructor Summary

Constructors

Constructor and Description
ColumnImpl(Table tbl, String identifier, ColumnType colType)

Method Summary

Modifier and Type	Method and Description
ColumnMetaData	getColumnMetaData() Accessor for the metadata for this column (if any).
ColumnType	getColumnType() Accessor for the role that this column serves (if known).
Object	getDefaultValue() Accessor for the default Value
JdbcType	getJdbcType() Accessor for the JDBC Type used for this column.
MemberColumnMapping	getMemberColumnMapping() Accessor for the mapping (and hence member) that owns this column.
String	getName() Accessor for the column name.
int	getPosition() Accessor for the position of this column in the table (if specified).
Table	getTable() Accessor for the table for this column.
String	getTypeName() Accessor for the native type name in the datastore for this column.
boolean	isDefaultable() Accessor for whether the column is defaultable.
boolean	isNested()
boolean	isNullable() Accessor for whether the column is nullable in the datastore.
boolean	isPrimaryKey() Whether this column is (part of) the primary key
boolean	isUnique() Accessor for whether the column is unique.
Column	setColumnMetaData(ColumnMetaData md)
Column	setDefaultable(Object defaultValue) Mutator for the defaultability of the column.
Column	setJdbcType(JdbcType type)
void	setMemberColumnMapping(MemberColumnMapping mapping)
void	setNested(boolean nested)
Column	setNullable(boolean flag) Mutator for the nullability of the column.
Column	setPosition(int pos)
Column	setPrimaryKey() Mutator to make the column (part of) the primary key.
Column	setTypeName(String type)
Column	setUnique(boolean flag) Mutator for the uniqueness of the column.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnImpl

public ColumnImpl(Table tbl,
                  String identifier,
                  ColumnType colType)

Method Detail

isNested

public boolean isNested()

setNested

public void setNested(boolean nested)

getTable

public Table getTable()

Description copied from interface: Column

Accessor for the table for this column.

Specified by:

getTable in interface Column

Returns:

The table

getMemberColumnMapping

public MemberColumnMapping getMemberColumnMapping()

Description copied from interface: Column

Accessor for the mapping (and hence member) that owns this column.

Specified by:

getMemberColumnMapping in interface Column

Returns:

The associated mapping (or null if this is a surrogate column)

setMemberColumnMapping

public void setMemberColumnMapping(MemberColumnMapping mapping)

getName

public String getName()

Description copied from interface: Column

Accessor for the column name.

Specified by:

getName in interface Column

Returns:

Name of column

isPrimaryKey

public boolean isPrimaryKey()

Description copied from interface: Column

Whether this column is (part of) the primary key

Specified by:

isPrimaryKey in interface Column

Returns:

Whether part of the PK

setPrimaryKey

public Column setPrimaryKey()

Description copied from interface: Column

Mutator to make the column (part of) the primary key.

Specified by:

setPrimaryKey in interface Column

Returns:

This column

setNullable

public Column setNullable(boolean flag)

Description copied from interface: Column

Mutator for the nullability of the column.

Specified by:

setNullable in interface Column

Parameters:

flag - Whether this is nullable

Returns:

The column with the updated info

isNullable

public boolean isNullable()

Description copied from interface: Column

Accessor for whether the column is nullable in the datastore.

Specified by:

isNullable in interface Column

Returns:

whether the column is nullable

setDefaultable

public Column setDefaultable(Object defaultValue)

Description copied from interface: Column

Mutator for the defaultability of the column.

Specified by:

setDefaultable in interface Column

Parameters:

defaultValue - The default to use

Returns:

The column with the updated info

isDefaultable

public boolean isDefaultable()

Description copied from interface: Column

Accessor for whether the column is defaultable.

Specified by:

isDefaultable in interface Column

Returns:

whether the column is defaultable

getDefaultValue

public Object getDefaultValue()

Description copied from interface: Column

Accessor for the default Value

Specified by:

getDefaultValue in interface Column

Returns:

the default value

setUnique

public Column setUnique(boolean flag)

Description copied from interface: Column

Mutator for the uniqueness of the column.

Specified by:

setUnique in interface Column

Parameters:

flag - The flag

Returns:

The column with the updated info

isUnique

public boolean isUnique()

Description copied from interface: Column

Accessor for whether the column is unique.

Specified by:

isUnique in interface Column

Returns:

whether the column is unique

getColumnType

public ColumnType getColumnType()

Description copied from interface: Column

Accessor for the role that this column serves (if known).

Specified by:

getColumnType in interface Column

Returns:

Role of the column

setJdbcType

public Column setJdbcType(JdbcType type)

Specified by:

setJdbcType in interface Column

getJdbcType

public JdbcType getJdbcType()

Description copied from interface: Column

Accessor for the JDBC Type used for this column.

Specified by:

getJdbcType in interface Column

Returns:

The Jdbc type

setTypeName

public Column setTypeName(String type)

Specified by:

setTypeName in interface Column

getTypeName

public String getTypeName()

Description copied from interface: Column

Accessor for the native type name in the datastore for this column.

Specified by:

getTypeName in interface Column

Returns:

The column type name

setPosition

public Column setPosition(int pos)

Specified by:

setPosition in interface Column

getPosition

public int getPosition()

Description copied from interface: Column

Accessor for the position of this column in the table (if specified).

Specified by:

getPosition in interface Column

Returns:

The position, or -1 if not specified

setColumnMetaData

public Column setColumnMetaData(ColumnMetaData md)

Specified by:

setColumnMetaData in interface Column

getColumnMetaData

public ColumnMetaData getColumnMetaData()

Description copied from interface: Column

Accessor for the metadata for this column (if any).

Specified by:

getColumnMetaData in interface Column

Returns:

Metadata for the column

toString

public String toString()

Overrides:

toString in class Object