ru.curs.celesta.score

Class Column<V>

java.lang.Object

ru.curs.celesta.score.NamedElement

ru.curs.celesta.score.Column<V>

Type Parameters:

V - Java class of column value

All Implemented Interfaces:

ColumnMeta<V>

Direct Known Subclasses:

BinaryColumn, BooleanColumn, DateTimeColumn, DecimalColumn, FloatingColumn, IntegerColumn, StringColumn, ZonedDateTimeColumn

public abstract class Column<V>
extends NamedElement
implements ColumnMeta<V>

Base class for describing a table column. Subclasses of this class correspond to different column types.

Nested Class Summary

Nested classes/interfaces inherited from interface ru.curs.celesta.score.ColumnMeta

ColumnMeta.Ordering

Field Summary

Fields inherited from class ru.curs.celesta.score.NamedElement

MAX_IDENTIFIER_LENGTH

Method Summary

Modifier and Type	Method and Description
void	delete() Deletes the column.
abstract String	getCelestaDefault() DEFAULT value of the field in CelestaSQL language.
abstract V	getDefaultValue() Returns default value.
List<String>	getOptions() Returns options (the value of option property) for current field.
TableElement	getParentTable() Returns table that current column belongs to.
boolean	isNullable() Returns the value of Nullable property.
void	setNullableAndDefault(boolean nullable, String defaultValue) Sets property Nullable and default value.
String	toString()

Methods inherited from class ru.curs.celesta.score.NamedElement

equals, getCelestaDoc, getName, getQuotedName, getQuotedNameIfNeeded, hashCode, limitName, setCelestaDoc

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface ru.curs.celesta.score.ColumnMeta

asc, desc, getCelestaDoc, getCelestaType, getJavaClass, getName, jdbcGetterName, ordering

Method Detail

getOptions

public List<String> getOptions()

Returns options (the value of option property) for current field. It is applicable only for text and Integer fields.

Returns:

Throws:

CelestaException - in case if options are provided incorrectly.

toString

public String toString()

Overrides:

toString in class Object

getParentTable

public final TableElement getParentTable()

Returns table that current column belongs to.

Returns:

setNullableAndDefault

public final void setNullableAndDefault(boolean nullable,
                                        String defaultValue)
                                 throws ParseException

Sets property Nullable and default value.

Parameters:

nullable - property Nullable

defaultValue - default value

Throws:

ParseException - in case if DEFAULT value has an incorrect format.

isNullable

public final boolean isNullable()

Returns the value of Nullable property.

Specified by:

isNullable in interface ColumnMeta<V>

Returns:

delete

public final void delete()
                  throws ParseException

Deletes the column.

Throws:

ParseException - if a part of the primary key, or a foreign key, or an index is being deleted.

getDefaultValue

public abstract V getDefaultValue()

Returns default value.

Returns:

getCelestaDefault

public abstract String getCelestaDefault()

DEFAULT value of the field in CelestaSQL language.