org.onlab.util

Class GuavaCollectors

java.lang.Object

org.onlab.util.GuavaCollectors

public final class GuavaCollectors
extends java.lang.Object

Implementations of Collector that implement various useful reduction operations, such as accumulating elements into Guava collections.

Method Summary

Modifier and Type	Method and Description
static <T> java.util.stream.Collector<T,com.google.common.collect.ImmutableList.Builder<T>,com.google.common.collect.ImmutableList<T>>	toImmutableList() Returns a Collector that accumulates the input elements into a new ImmutableList.
static <T> java.util.stream.Collector<T,com.google.common.collect.ImmutableSet.Builder<T>,com.google.common.collect.ImmutableSet<T>>	toImmutableSet() Returns a Collector that accumulates the input elements into a new ImmutableSet.

Methods inherited from class java.lang.Object

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

Method Detail

toImmutableSet

public static <T> java.util.stream.Collector<T,com.google.common.collect.ImmutableSet.Builder<T>,com.google.common.collect.ImmutableSet<T>> toImmutableSet()

Returns a Collector that accumulates the input elements into a new ImmutableSet.

Type Parameters:

T - type

Returns:

a Collector which collects all the input elements into a ImmutableSet

toImmutableList

public static <T> java.util.stream.Collector<T,com.google.common.collect.ImmutableList.Builder<T>,com.google.common.collect.ImmutableList<T>> toImmutableList()

Returns a Collector that accumulates the input elements into a new ImmutableList.

Type Parameters:

T - type

Returns:

a Collector which collects all the input elements into a ImmutableList, in encounter order