bt

Class BufferingMap<K,E>

java.lang.Object

bt.BufferingMap<K,E>

Type Parameters:

K - Key type

E - Collection element type

public class BufferingMap<K,E>
extends Object

Convenient utility class to create maps, that act as temporary buffers for storing values between their initial collection and retrieval for further processing. Thread-safe.

Since:

1.6

Constructor Summary

Constructors

Constructor and Description
BufferingMap(Supplier<? extends Collection<E>> valueSupplier)

Method Summary

Modifier and Type	Method and Description
void	add(K key, E element) Add a new element into the corresponding bucket (a new bucket will be created, if mapping for this key does not exist yet).
boolean	containsKey(K key)
Collection<E>	removeCopy(K key) Remove and return all elements for a given key.

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferingMap

public BufferingMap(Supplier<? extends Collection<E>> valueSupplier)

Parameters:

valueSupplier - Factory of new containers for elements

Since:

1.6

Method Detail

containsKey

public boolean containsKey(K key)

Since:

1.6

add

public void add(K key,
                E element)

Add a new element into the corresponding bucket (a new bucket will be created, if mapping for this key does not exist yet).

Since:

1.6

removeCopy

public Collection<E> removeCopy(K key)

Remove and return all elements for a given key.

Since:

1.6