io.requery.query

Interface Expression<V>

Type Parameters:

V - type of the expression

All Known Subinterfaces:

OrderingExpression<V>, QueryAttribute<T,V>, QueryExpression<V>, Type<T>

All Known Implementing Classes:

Abs, AliasedExpression, AttributeBuilder, Avg, Case, Coalesce, Collate, CollectionAttributeBuilder, Count, FieldExpression, Function, ListAttributeBuilder, Lower, MapAttributeBuilder, Max, Min, NamedExpression, Now, QueryElement, ResultAttributeBuilder, Round, SetAttributeBuilder, Substr, Sum, Trim, TypeBuilder, Upper

public interface Expression<V>

Generic expression interface.

Method Summary

Modifier and Type	Method and Description
Class<V>	getClassType()
ExpressionType	getExpressionType()
String	getName()

Method Detail

getName

String getName()

Returns:

identifier of the expression

getClassType

Class<V> getClassType()

Returns:

Class that results when the expression is evaluated

getExpressionType

ExpressionType getExpressionType()

Returns:

type of the expression