com.stevewedig.blog.util

Class MultimapLib

java.lang.Object

com.stevewedig.blog.util.MultimapLib

public abstract class MultimapLib
extends Object

Multimap related utilities.

Constructor Summary

Constructors

Constructor and Description
MultimapLib()

Method Summary

Methods

Modifier and Type	Method and Description
static <Item> com.google.common.collect.SetMultimap<Item,Item>	filterKeysAndValues(com.google.common.collect.SetMultimap<Item,Item> key__values, com.google.common.base.Predicate<Item> predicate) Filtering the entries in a multimap containing keys and values of the same type.
static <Item> com.google.common.collect.ImmutableSet<Item>	keysAndValues(com.google.common.collect.Multimap<Item,Item> key__values) Collecting all of the keys and values in a multimap with keys and values of the same type.
static <Item> com.google.common.collect.ImmutableSetMultimap<Item,Item>	of(Item... entries) Creating a multimap with keys and values of the same type.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultimapLib

public MultimapLib()

Method Detail

of

@SafeVarargs
public static <Item> com.google.common.collect.ImmutableSetMultimap<Item,Item> of(Item... entries)

Creating a multimap with keys and values of the same type.

Parameters:

entries - Alternating keys and values.

Returns:

The multimap.

keysAndValues

public static <Item> com.google.common.collect.ImmutableSet<Item> keysAndValues(com.google.common.collect.Multimap<Item,Item> key__values)

Collecting all of the keys and values in a multimap with keys and values of the same type.

Parameters:

key__values - The multimap.

Returns:

The set of keys and values.

filterKeysAndValues

public static <Item> com.google.common.collect.SetMultimap<Item,Item> filterKeysAndValues(com.google.common.collect.SetMultimap<Item,Item> key__values,
                                                                          com.google.common.base.Predicate<Item> predicate)

Filtering the entries in a multimap containing keys and values of the same type.

Parameters:

key__values - The multimap.

keep - The predicate for filtering the keys and values.

Returns:

A filtered multimap.