Module litebridge.orm

Package org.litebridgedb.orm.meta

Class StringQueryField

java.lang.Object

org.litebridgedb.orm.meta.QueryField

org.litebridgedb.orm.meta.StringQueryField

All Implemented Interfaces:

ExpressionSpec

public final class StringQueryField
extends QueryField

Metamodel field for querying string-based columns in a type-safe manner.

This class extends QueryField to provide additional behavior specifically for string column operations within a query context.

Instances of this class allow performing operations such as converting the value of a string field to uppercase or lowercase.

Field Summary

Fields inherited from class org.litebridgedb.orm.meta.QueryField

dtoClass, field

Constructor Summary

Constructors

Constructor	Description
StringQueryField(Class<?> dtoClass, String fieldName)

Method Summary

Modifier and Type	Method	Description
ProtoNestableTOExpr<String>	lower()	LOWER(): Returns the lowercase value of a column's text.
ProtoNestableTOExpr<String>	upper()	UPPER(): Returns the uppercase value of a column's text.

Methods inherited from class org.litebridgedb.orm.meta.QueryField

convert, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

StringQueryField

public StringQueryField(Class<?> dtoClass,
 String fieldName)

Method Details

upper

public ProtoNestableTOExpr<String> upper()

UPPER(): Returns the uppercase value of a column's text.

Returns:

a ProtoNestableTOExpr expression instance to select a specific column.

lower

public ProtoNestableTOExpr<String> lower()

LOWER(): Returns the lowercase value of a column's text.

Returns:

a ProtoNestableTOExpr expression instance to select a specific column.