net.sf.jaxme.sqls.impl
Class ColumnImpl

java.lang.Object
  net.sf.jaxme.sqls.impl.ColumnImpl

All Implemented Interfaces:

BinaryColumn, Column, StringColumn

Direct Known Subclasses:

DB2ColumnImpl, HsqlDbColumnImpl

public class ColumnImpl

extends java.lang.Object

implements Column, StringColumn, BinaryColumn

Implementation of a column.

Author:

Jochen Wiedmann

Nested Class Summary

static class	ColumnImpl.NameImpl
static class	ColumnImpl.TypeImpl

Nested classes inherited from class net.sf.jaxme.sqls.Column

Column.Name, Column.Type

Constructor Summary

protected

ColumnImpl(Table pTable, Column.Name pName, Column.Type pType)

Method Summary

boolean	equals(java.lang.Object o)
java.lang.Long	getLength() If the column has fixed length: Returns the columns length.
Column.Name	getName() Returns the columns name.
java.lang.String	getQName() Returns the columns fully qualified name, which is getTable().getQName() + "." + getName().
Table	getTable() Returns the columns table.
Column.Type	getType() Returns the columns type.
boolean	hasFixedLength() Returns whether the column has fixed or variable length.
int	hashCode()
boolean	isBinaryColumn() Returns whether this Column may be casted to a BinaryColumn.
boolean	isNullable() Returns whether the column is nullable.
boolean	isPrimaryKeyPart() Returns whether this column is part of the primary key.
boolean	isStringColumn() Returns whether this Column may be casted to a StringColumn.
void	setLength(long pLength) Shortcut for setLength(new Integer(pLength)).
void	setLength(java.lang.Long pLength) If the column has fixed length: Sets the columns length.
void	setNullable(boolean pNullable) Sets whether the column is nullable.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnImpl

protected ColumnImpl(Table pTable,
                     Column.Name pName,
                     Column.Type pType)

Method Detail

getTable

public Table getTable()

Description copied from interface: Column

Returns the columns table.

Specified by:

getTable in interface Column

getName

public Column.Name getName()

Description copied from interface: Column

Returns the columns name.

Specified by:

getName in interface Column

getQName

public java.lang.String getQName()

Description copied from interface: Column

Returns the columns fully qualified name, which is getTable().getQName() + "." + getName().

Specified by:

getQName in interface Column

getType

public Column.Type getType()

Description copied from interface: Column

Returns the columns type.

Specified by:

getType in interface Column

isNullable

public boolean isNullable()

Description copied from interface: Column

Returns whether the column is nullable. By default columns are not nullable.

Specified by:

isNullable in interface Column

setNullable

public void setNullable(boolean pNullable)

Description copied from interface: Column

Sets whether the column is nullable. By default columns are not nullable.

Specified by:

setNullable in interface Column

equals

public boolean equals(java.lang.Object o)

hashCode

public int hashCode()

isPrimaryKeyPart

public boolean isPrimaryKeyPart()

Description copied from interface: Column

Returns whether this column is part of the primary key.

Specified by:

isPrimaryKeyPart in interface Column

hasFixedLength

public boolean hasFixedLength()

Description copied from interface: StringColumn

Returns whether the column has fixed or variable length.

Specified by:

hasFixedLength in interface StringColumn

isStringColumn

public boolean isStringColumn()

Description copied from interface: Column

Returns whether this Column may be casted to a StringColumn.

Specified by:

isStringColumn in interface Column

isBinaryColumn

public boolean isBinaryColumn()

Description copied from interface: Column

Returns whether this Column may be casted to a BinaryColumn.

Specified by:

isBinaryColumn in interface Column

setLength

public void setLength(java.lang.Long pLength)

Description copied from interface: StringColumn

If the column has fixed length: Sets the columns length. Otherwise sets the columns maximum length.

Specified by:

setLength in interface StringColumn

setLength

public void setLength(long pLength)

Description copied from interface: StringColumn

Shortcut for setLength(new Integer(pLength)).

Specified by:

setLength in interface StringColumn

getLength

public java.lang.Long getLength()

Description copied from interface: StringColumn

If the column has fixed length: Returns the columns length. Otherwise returns the columns maximum length.

Specified by:

getLength in interface StringColumn