com.hazelcast.projection

Class Projections

java.lang.Object

com.hazelcast.projection.Projections

public final class Projections
extends Object

A utility class to create basic Projection instances.

Since:

3.8

Method Summary

Modifier and Type	Method and Description
static <I> Projection<I,Object[]>	multiAttribute(String... attributePath) Returns a projection that extracts the value of the given attributePaths.
static <I,O> Projection<I,O>	singleAttribute(String attributePath) Returns a projection that extracts the value of the given attributePath

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

singleAttribute

public static <I,O> Projection<I,O> singleAttribute(String attributePath)

Returns a projection that extracts the value of the given attributePath

Type Parameters:

O - Output type

Parameters:

attributePath - single attribute path, path must not be null or empty

Returns:

a projection that extracts the value of the given attributePath

multiAttribute

public static <I> Projection<I,Object[]> multiAttribute(String... attributePath)

Returns a projection that extracts the value of the given attributePaths. The attribute values will be returned as an Object[] array from each projection call.

Parameters:

attributePath - 1 to N attribute Paths, paths must not be null or empty

Returns:

a projection that extracts the value of the given attributePaths.