com.neeve.query.predicates

Interface Predicate<T>

All Superinterfaces:

com.google.common.base.Predicate<T>

All Known Subinterfaces:

IdxFieldPredicate<RECORD,T>

public interface Predicate<T>
extends com.google.common.base.Predicate<T>

Determines a true or false value for a given input and additionally serves as a factory for creating compound Predicates like and and or.

Method Summary

Methods

Modifier and Type	Method and Description
Predicate<T>	and(Collection<Predicate<T>> predicates) Create a new Predicate whose result is the logical "and" of this predicate and the provided predicates.
Predicate<T>	and(Predicate<T>... predicates) Create a new Predicate whose result is the logical "and" of this and the provided predicates.
double	getCost() The cost of applying the predicate.
Predicate<T>	or(Collection<Predicate<T>> predicates) Create a new Predicate whose result is the logical "or" of this predicate and the provided predicates.
Predicate<T>	or(Predicate<T>... predicates) Create a new Predicate whose result is the logical "or" of this predicate and the provided predicates.

Methods inherited from interface com.google.common.base.Predicate

apply, equals

Method Detail

and

Predicate<T> and(Predicate<T>... predicates)

Create a new Predicate whose result is the logical "and" of this and the provided predicates.

Parameters:

predicates - The Predicates to combined with this Predicate

Returns:

The new predicate

and

Predicate<T> and(Collection<Predicate<T>> predicates)

Create a new Predicate whose result is the logical "and" of this predicate and the provided predicates.

Parameters:

predicates - The Predicates to conbined with this Predicate

Returns:

The new predicate

or

Predicate<T> or(Predicate<T>... predicates)

Create a new Predicate whose result is the logical "or" of this predicate and the provided predicates.

Parameters:

predicates - The Predicates to conbined with this Predicate

Returns:

The new predicate

or

Predicate<T> or(Collection<Predicate<T>> predicates)

Create a new Predicate whose result is the logical "or" of this predicate and the provided predicates.

Parameters:

predicates - The Predicates to conbined with this Predicate

Returns:

The new predicate

getCost

double getCost()

The cost of applying the predicate.

Returns:

the cot