com.newrelic.agent.util.collect

Class NRMultimaps

java.lang.Object

com.newrelic.agent.util.collect.NRMultimaps

public class NRMultimaps
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
NRMultimaps()

Method Summary

Modifier and Type	Method and Description
static <K,V> com.google.common.collect.Multimap<K,V>	performantMultimapFrom(com.google.common.collect.Multimap<K,V> multimap)
static <K,V> com.google.common.collect.SetMultimap<K,V>	performantSetMultimapFrom(com.google.common.collect.SetMultimap<K,V> multimap) Wraps a SetMultimap so that the call to get() first calls containsKey(), and if the key isn't present an immutable set is returned.

Methods inherited from class java.lang.Object

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

Constructor Detail

NRMultimaps

public NRMultimaps()

Method Detail

performantSetMultimapFrom

public static final <K,V> com.google.common.collect.SetMultimap<K,V> performantSetMultimapFrom(com.google.common.collect.SetMultimap<K,V> multimap)

Wraps a SetMultimap so that the call to get() first calls containsKey(), and if the key isn't present an immutable set is returned. The set creation side effect of get() is awful. Thanks Obama!

Parameters:

multimap -

performantMultimapFrom

public static final <K,V> com.google.common.collect.Multimap<K,V> performantMultimapFrom(com.google.common.collect.Multimap<K,V> multimap)