org.bridje.sql

Interface Column<T,E>

Type Parameters:

T - The final java type of the expression.

E - The result set read java type of the expression.

All Superinterfaces:

Expression<T,E>, SQLWritable

All Known Subinterfaces:

BooleanColumn<T,E>, DateColumn<T,E>, NumberColumn<T,E>, StringColumn<T,E>

public interface Column<T,E>
extends Expression<T,E>

Represents a column for a table for an SQL database.

Method Summary

Modifier and Type	Method and Description
Expression<T,E>	asParam() Gets an SQL expression that represents a param (?)
T	getDefValue() The default value for this column.
String	getName() The name of the column.
Table	getTable() The table that this column belongs to.
boolean	isAllowNull() If this column allows null values.
boolean	isAutoIncrement() If this column is an autoincrement column.
boolean	isKey() If this column is part of the primary key.

Methods inherited from interface org.bridje.sql.Expression

asc, desc, eq, eq, getSQLType, in, isNull, ne, ne

Methods inherited from interface org.bridje.sql.SQLWritable

writeSQL

Method Detail

getTable

Table getTable()

The table that this column belongs to.

Returns:

The table that this column belongs to.

getName

String getName()

The name of the column.

Returns:

The name of the column.

isKey

boolean isKey()

If this column is part of the primary key.

Returns:

true this column is part of the primary key, false otherwise.

isAllowNull

boolean isAllowNull()

If this column allows null values.

Returns:

true this column allows null values, false otherwise.

isAutoIncrement

boolean isAutoIncrement()

If this column is an autoincrement column.

Returns:

true this column is an autoincrement column, false otherwise.

getDefValue

T getDefValue()

The default value for this column.

Returns:

The default value for this column.

asParam

Expression<T,E> asParam()

Gets an SQL expression that represents a param (?) for this column.

Returns:

The SQL expression that represents a param (?) for this column.