org.apache.ignite.lang

Interface IgnitePredicate<E>

Type Parameters:

E - Type of predicate parameter.

All Superinterfaces:

Serializable

All Known Subinterfaces:

CacheEntryPredicate, P1<E1>, PCE<K,V>, PE, PN

All Known Implementing Classes:

CacheEntryPredicateAdapter, CacheEntryPredicateContainsValue, CacheEntryPredicateHasValue, CacheEntryPredicateNoValue, CacheEntrySerializablePredicate, GridNodePredicate, IgnitePredicateX, PX1

public interface IgnitePredicate<E>
extends Serializable

Defines a predicate which accepts a parameter and returns true or false. In Ignite, predicates are generally used for filtering nodes within grid projections, or for providing atomic filters when performing cache operation, like in org.apache.ignite.cache.GridCache#put(Object, Object, IgnitePredicate[]) method.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	apply(E e) Predicate body.

Method Detail

apply

boolean apply(E e)

Predicate body.

Parameters:

e - Predicate parameter.

Returns:

Return value.