com.holonplatform.core.query

Interface ConstantExpression<T,E>

Type Parameters:

T - Expression type

E - Concrete value type

All Superinterfaces:

Expression, QueryExpression<E>

All Known Subinterfaces:

PropertyConstantExpression<T,E>

public interface ConstantExpression<T,E>
extends QueryExpression<E>

Constant value QueryExpression.

Since:

5.0.0

Nested Class Summary

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

Expression.ExpressionResolverFunction<E extends Expression,R extends Expression>, Expression.InvalidExpressionException

Method Summary

Modifier and Type	Method and Description
static <T> ConstantExpression<Collection<T>,T>	create(Collection<? extends T> values) Create a QueryExpression which represents a collection of constant values.
static <T> ConstantExpression<Collection<T>,T>	create(T... values) Create a QueryExpression which represents a collection of constant values.
static <T> ConstantExpression<T,T>	create(T value) Create a QueryExpression which represents a constant value
T	getValue() Get the constant expression value

Methods inherited from interface com.holonplatform.core.query.QueryExpression

getType

Methods inherited from interface com.holonplatform.core.Expression

validate

Method Detail

getValue

T getValue()

Get the constant expression value

Returns:

The expression value

create

static <T> ConstantExpression<T,T> create(T value)

Create a QueryExpression which represents a constant value

Type Parameters:

T - Expression type

Parameters:

value - Constant value (not null)

Returns:

A new constant expression

create

static <T> ConstantExpression<Collection<T>,T> create(Collection<? extends T> values)

Create a QueryExpression which represents a collection of constant values.

Type Parameters:

T - Expression type

Parameters:

values - Expression values (not null)

Returns:

A new collection expression

create

@SafeVarargs
static <T> ConstantExpression<Collection<T>,T> create(T... values)

Create a QueryExpression which represents a collection of constant values.

Type Parameters:

T - Expression type

Parameters:

values - Expression values (not null)

Returns:

A new collection expression