com.android.volley

Class CacheDispatcher

java.lang.Object

java.lang.Thread

com.android.volley.CacheDispatcher

All Implemented Interfaces:

java.lang.Runnable

public class CacheDispatcher
extends java.lang.Thread

Provides a thread for performing cache triage on a queue of requests. Requests added to the specified cache queue are resolved from cache. Any deliverable response is posted back to the caller via a ResponseDelivery. Cache misses and responses that require refresh are enqueued on the specified network queue for processing by a NetworkDispatcher.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
CacheDispatcher(java.util.concurrent.BlockingQueue<Request<?>> cacheQueue, java.util.concurrent.BlockingQueue<Request<?>> networkQueue, Cache cache, ResponseDelivery delivery) Creates a new cache triage dispatcher thread.

Method Summary

Modifier and Type	Method and Description
void	quit() Forces this dispatcher to quit immediately.
void	run()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheDispatcher

public CacheDispatcher(java.util.concurrent.BlockingQueue<Request<?>> cacheQueue,
                       java.util.concurrent.BlockingQueue<Request<?>> networkQueue,
                       Cache cache,
                       ResponseDelivery delivery)

Creates a new cache triage dispatcher thread. You must call Thread.start() in order to begin processing.

Parameters:

cacheQueue - Queue of incoming requests for triage

networkQueue - Queue to post requests that require network to

cache - Cache interface to use for resolution

delivery - Delivery interface to use for posting responses

Method Detail

quit

public void quit()

Forces this dispatcher to quit immediately. If any requests are still in the queue, they are not guaranteed to be processed.

run

public void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread