Package edu.harvard.seas.pl.abcdatalog.util

Class Utilities

java.lang.Object

edu.harvard.seas.pl.abcdatalog.util.Utilities

public final class Utilities
extends Object

"Static" class containing utility methods.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	concurrency

Method Summary

Modifier and Type	Method	Description
static <K, V> ConcurrentMap<K,V>	createConcurrentMap()
static <T> Set<T>	createConcurrentSet()
static <K, V> Set<V>	getSetFromMap(Map<K,Set<V>> map, K key)	Returns the set in map associated with key, creating a new set if needed.

Methods inherited from class java.lang.Object

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

Field Details

concurrency

public static final int concurrency

Method Details

createConcurrentSet

public static <T> Set<T> createConcurrentSet()

createConcurrentMap

public static <K,
V> ConcurrentMap<K,V> createConcurrentMap()

getSetFromMap

public static <K,
V> Set<V> getSetFromMap(Map<K,Set<V>> map,
 K key)

Returns the set in map associated with key, creating a new set if needed.

Parameters:

map - the map

key - the key

Returns:

the set