Module is.codion.framework.domain

Package is.codion.framework.domain.entity.attribute

Interface Column.ColumnDefiner<T>

Type Parameters:

T - the column type

All Superinterfaces:

Attribute.AttributeDefiner<T>

Enclosing interface:

Column<T>

public static sealed interface Column.ColumnDefiner<T>
extends Attribute.AttributeDefiner<T>

Provides ColumnDefinition.Builder instances.

Method Summary

Modifier and Type	Method	Description
<B extends ColumnDefinition.Builder<T, B>> ColumnDefinition.Builder<T,B>	column()	Creates a new ColumnDefinition.Builder instance.
<B extends ColumnDefinition.Builder<T, B>> ColumnDefinition.Builder<T,B>	primaryKey()	Returns a new ColumnDefinition.Builder instance, with the primary key index 0.
<B extends ColumnDefinition.Builder<T, B>> ColumnDefinition.Builder<T,B>	primaryKey(int index)	Returns a new ColumnDefinition.Builder instance, with the given primary key index.
<B extends ColumnDefinition.Builder<T, B>> ColumnDefinition.Builder<T,B>	subquery(String subquery)	Creates a new ColumnDefinition.Builder instance, based on a subquery.

Methods inherited from interface is.codion.framework.domain.entity.attribute.Attribute.AttributeDefiner

attribute, denormalized, derived

Method Details

column

<B extends ColumnDefinition.Builder<T,
B>>
ColumnDefinition.Builder<T,B> column()

Creates a new ColumnDefinition.Builder instance.

Type Parameters:

B - the builder type

Returns:

a new ColumnDefinition.Builder

primaryKey

<B extends ColumnDefinition.Builder<T,
B>>
ColumnDefinition.Builder<T,B> primaryKey()

Returns a new ColumnDefinition.Builder instance, with the primary key index 0. Note that this renders this column non-null and non-updatable by default, this can be reverted by setting it as updatable and/or nullable after defining a primary key column.

Country.CODE.as()
				.primaryKey()
				.caption("Code")
				.updatable(true);

Type Parameters:

B - the builder type

Returns:

a new ColumnDefinition.Builder with primary key index 0

See Also:

• ValueAttributeDefinition.Builder.nullable(boolean)
• ColumnDefinition.Builder.updatable(boolean)

primaryKey

<B extends ColumnDefinition.Builder<T,
B>>
ColumnDefinition.Builder<T,B> primaryKey(int index)

Returns a new ColumnDefinition.Builder instance, with the given primary key index. Note that this renders this column non-null and non-updatable by default, this can be reverted by setting it as updatable and/or nullable after defining a primary key column.

CountryLanguage.TYPE.as()
				.attributes(
								CountryLanguage.COUNTRY_CODE.as()
												.primaryKey(0)
												.updatable(true),
								CountryLanguage.LANGUAGE.as()
												.primaryKey(1)
												.caption("Language")
												.updatable(true))
				.build();

Type Parameters:

B - the builder type

Parameters:

index - the zero-based index of this column in the primary key

Returns:

a new ColumnDefinition.Builder with the given primary key index

Throws:

IllegalArgumentException - in case index is a negative number

See Also:

• ValueAttributeDefinition.Builder.nullable(boolean)
• ColumnDefinition.Builder.updatable(boolean)

subquery

<B extends ColumnDefinition.Builder<T,
B>>
ColumnDefinition.Builder<T,B> subquery(String subquery)

Creates a new ColumnDefinition.Builder instance, based on a subquery.

Type Parameters:

B - the builder type

Parameters:

subquery - the sql query

Returns:

a new ColumnDefinition.Builder