com.holonplatform.datastore.jdbc.composer.expression

Interface SQLProjection.MutableSQLProjection<R>

Type Parameters:

R - Projection type

All Superinterfaces:

com.holonplatform.core.Expression, SQLProjection<R>, com.holonplatform.core.TypedExpression<R>

Enclosing interface:

SQLProjection<R>

public static interface SQLProjection.MutableSQLProjection<R>
extends SQLProjection<R>

A mutable SQLProjection to configure selection expressions and converter.

Nested Class Summary

Nested classes/interfaces inherited from interface com.holonplatform.datastore.jdbc.composer.expression.SQLProjection

SQLProjection.MutableSQLProjection<R>

Nested classes/interfaces inherited from interface com.holonplatform.core.Expression

com.holonplatform.core.Expression.ExpressionResolverFunction<E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression>, com.holonplatform.core.Expression.InvalidExpressionException

Method Summary

Modifier and Type	Method and Description
default String	addSelection(String selection) Add a selection expression, with selection alias auto-generation.
String	addSelection(String selection, boolean generateAlias) Add a selection expression.
void	addSelection(String selection, String alias) Add a selection expression with selection alias.
void	setConverter(SQLResultConverter<R> converter) Set the result converter.

Methods inherited from interface com.holonplatform.datastore.jdbc.composer.expression.SQLProjection

create, create, create, getConverter, getSelection, getSelectionAlias

Methods inherited from interface com.holonplatform.core.TypedExpression

getTemporalType, getType, isCollectionExpression, isConverterExpression

Methods inherited from interface com.holonplatform.core.Expression

validate

Method Detail

addSelection

String addSelection(String selection,
                    boolean generateAlias)

Add a selection expression.

Parameters:

selection - Selection to add (not null)

generateAlias - Whether to generate an alias label for the selection expression

Returns:

If generateAlias was true, the generated selection alias. Given selection otherwise.

addSelection

default String addSelection(String selection)

Add a selection expression, with selection alias auto-generation.

Parameters:

selection - Selection to add (not null)

Returns:

The generated selection alias

addSelection

void addSelection(String selection,
                  String alias)

Add a selection expression with selection alias.

Parameters:

selection - Selection to add (not null)

alias - Selection alias (not null)

setConverter

void setConverter(SQLResultConverter<R> converter)

Set the result converter.

Parameters:

converter - the SQLResultConverter to set