org.apache.camel.component.feed

Class FeedPollingConsumer

java.lang.Object

org.apache.camel.support.ServiceSupport

org.apache.camel.impl.DefaultConsumer

org.apache.camel.impl.ScheduledPollConsumer

org.apache.camel.component.feed.FeedPollingConsumer

All Implemented Interfaces:

Runnable, Consumer, EndpointAware, PollingConsumerPollingStrategy, RouteAware, Service, ShutdownableService, StatefulService, Suspendable, SuspendableService

Direct Known Subclasses:

AtomPollingConsumer, FeedEntryPollingConsumer, RssPollingConsumer

public abstract class FeedPollingConsumer
extends ScheduledPollConsumer

Base class for consuming feeds.

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEFAULT_CONSUMER_DELAY
protected FeedEndpoint	endpoint

Fields inherited from class org.apache.camel.impl.DefaultConsumer

log

Fields inherited from class org.apache.camel.support.ServiceSupport

shutdown, shuttingdown, started, starting, stopped, stopping, suspended, suspending

Constructor Summary

Constructors

Constructor and Description
FeedPollingConsumer(FeedEndpoint endpoint, Processor processor)

Method Summary

Modifier and Type	Method and Description
protected abstract Object	createFeed()
protected int	poll() The polling method which is invoked periodically to poll this consumer

Methods inherited from class org.apache.camel.impl.ScheduledPollConsumer

afterPoll, beforePoll, doShutdown, doStart, doStop, doSuspend, getBackoffCounter, getBackoffErrorThreshold, getBackoffIdleThreshold, getBackoffMultiplier, getDelay, getInitialDelay, getPollStrategy, getRunLoggingLevel, getScheduledExecutorService, getScheduler, getSchedulerProperties, getTimeUnit, isGreedy, isPollAllowed, isPolling, isSchedulerStarted, isSendEmptyMessageWhenIdle, isStartScheduler, isUseFixedDelay, onInit, processEmptyMessage, run, setBackoffErrorThreshold, setBackoffIdleThreshold, setBackoffMultiplier, setDelay, setGreedy, setInitialDelay, setPollStrategy, setRunLoggingLevel, setScheduledExecutorService, setScheduler, setSchedulerProperties, setSendEmptyMessageWhenIdle, setStartScheduler, setTimeUnit, setUseFixedDelay, startScheduler

Methods inherited from class org.apache.camel.impl.DefaultConsumer

createUoW, doneUoW, getAsyncProcessor, getEndpoint, getExceptionHandler, getProcessor, getRoute, handleException, handleException, setExceptionHandler, setRoute, toString

Methods inherited from class org.apache.camel.support.ServiceSupport

doResume, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isStoppingOrStopped, isSuspended, isSuspending, isSuspendingOrSuspended, resume, shutdown, start, stop, suspend

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.Service

start, stop

Field Detail

DEFAULT_CONSUMER_DELAY

public static final long DEFAULT_CONSUMER_DELAY

See Also:

Constant Field Values

endpoint

protected final FeedEndpoint endpoint

Constructor Detail

FeedPollingConsumer

public FeedPollingConsumer(FeedEndpoint endpoint,
                           Processor processor)

Method Detail

poll

protected int poll()
            throws Exception

Description copied from class: ScheduledPollConsumer

The polling method which is invoked periodically to poll this consumer

Specified by:

poll in class ScheduledPollConsumer

Returns:

number of messages polled, will be 0 if no message was polled at all.

Throws:

Exception - can be thrown if an exception occurred during polling

createFeed

protected abstract Object createFeed()
                              throws Exception

Throws:

Exception