Package org.kiwiproject.collect

Class KiwiEvictingQueues

java.lang.Object

org.kiwiproject.collect.KiwiEvictingQueues

public final class KiwiEvictingQueues
extends Object

Utility methods for working with Guava EvictingQueue instances.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_MAX_RECENT_ITEMS	The default maximum number of EvictingQueue items.

Method Summary

Modifier and Type	Method	Description
static <T> Queue<T>	synchronizedEvictingQueue()	Create a new, synchronized EvictingQueue that can hold up to DEFAULT_MAX_RECENT_ITEMS items.
static <T> Queue<T>	synchronizedEvictingQueue(int maxSize)	Create a new, synchronized EvictingQueue that can hold up to maxSize items.

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_MAX_RECENT_ITEMS

public static final int DEFAULT_MAX_RECENT_ITEMS

The default maximum number of EvictingQueue items.

See Also:

• synchronizedEvictingQueue()
• Constant Field Values

Method Details

synchronizedEvictingQueue

public static <T> Queue<T> synchronizedEvictingQueue()

Create a new, synchronized EvictingQueue that can hold up to DEFAULT_MAX_RECENT_ITEMS items.

Type Parameters:

T - the type in the queue

Returns:

a synchronized EvictingQueue

See Also:

• Queues.synchronizedQueue(Queue)

API Note:

returns a plain Queue because Guava's Queues.synchronizedQueue(Queue) returns a Queue. Any attempt to cast to an EvictingQueue will result in a ClassCastException.

Implementation Note:

See synchronized notes regarding manual synchronization of the returned queue's Iterator in Queues.synchronizedQueue(Queue)

synchronizedEvictingQueue

public static <T> Queue<T> synchronizedEvictingQueue(int maxSize)

Create a new, synchronized EvictingQueue that can hold up to maxSize items.

Type Parameters:

T - the type in the queue

Parameters:

maxSize - maximum size for the queue

Returns:

a synchronized EvictingQueue

See Also:

• Queues.synchronizedQueue(Queue)

API Note:

returns a plain Queue because Guava's Queues.synchronizedQueue(Queue) returns a Queue. Any attempt to cast to an EvictingQueue will result in a ClassCastException.

Implementation Note:

See synchronized notes regarding manual synchronization of the returned queue's Iterator in Queues.synchronizedQueue(Queue)