org.springframework.data.projection

Interface EntityProjectionIntrospector.ProjectionPredicate

Enclosing class:

EntityProjectionIntrospector

public static interface EntityProjectionIntrospector.ProjectionPredicate

Represents a predicate (boolean-valued function) of a target type and its underlying type.

Method Summary

Modifier and Type	Method and Description
default EntityProjectionIntrospector.ProjectionPredicate	and(EntityProjectionIntrospector.ProjectionPredicate other) Return a composed predicate that represents a short-circuiting logical AND of this predicate and another.
default EntityProjectionIntrospector.ProjectionPredicate	negate() Return a predicate that represents the logical negation of this predicate.
boolean	test(Class<?> target, Class<?> underlyingType) Evaluates this predicate on the given arguments.
static EntityProjectionIntrospector.ProjectionPredicate	typeHierarchy() Return a predicate that considers whether the target type is participating in the type hierarchy.

Method Detail

test

boolean test(Class<?> target,
             Class<?> underlyingType)

Evaluates this predicate on the given arguments.

Parameters:

target - the target type.

underlyingType - the underlying type.

Returns:

true if the input argument matches the predicate, otherwise false.

and

default EntityProjectionIntrospector.ProjectionPredicate and(EntityProjectionIntrospector.ProjectionPredicate other)

Return a composed predicate that represents a short-circuiting logical AND of this predicate and another. When evaluating the composed predicate, if this predicate is false, then the other predicate is not evaluated.

Any exceptions thrown during evaluation of either predicate are relayed to the caller; if evaluation of this predicate throws an exception, the other predicate will not be evaluated.

Parameters:

other - a predicate that will be logically-ANDed with this predicate

Returns:

a composed predicate that represents the short-circuiting logical AND of this predicate and the other predicate

negate

default EntityProjectionIntrospector.ProjectionPredicate negate()

Return a predicate that represents the logical negation of this predicate.

Returns:

a predicate that represents the logical negation of this predicate

typeHierarchy

static EntityProjectionIntrospector.ProjectionPredicate typeHierarchy()

Return a predicate that considers whether the target type is participating in the type hierarchy.