Package com.crawljax.di

Class CrawlSessionProvider

java.lang.Object

com.crawljax.di.CrawlSessionProvider

All Implemented Interfaces:

javax.inject.Provider<CrawlSession>

@Singleton
public class CrawlSessionProvider
extends Object
implements javax.inject.Provider<CrawlSession>

Takes care of the lazy initialization of the CrawlSession.

Field Summary

Fields

Modifier and Type	Field	Description
private CrawljaxConfiguration	config
private AtomicBoolean	isSet
private static org.slf4j.Logger	LOG
private com.codahale.metrics.MetricRegistry	registry
private CrawlSession	session
private InMemoryStateFlowGraph	stateFlowGraph

Constructor Summary

Constructors

Constructor	Description
CrawlSessionProvider(InMemoryStateFlowGraph stateFlowGraph, CrawljaxConfiguration config, com.codahale.metrics.MetricRegistry registry)

Method Summary

Modifier and Type	Method	Description
CrawlSession	get()
void	setup(StateVertex indexState, CrawlerContext context)	Alternate for consumer
void	setup(StateVertex indexState, CrawlTaskConsumer firstConsumer)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

isSet

private final AtomicBoolean isSet

stateFlowGraph

private final InMemoryStateFlowGraph stateFlowGraph

config

private final CrawljaxConfiguration config

registry

private final com.codahale.metrics.MetricRegistry registry

session

private CrawlSession session

Constructor Detail

CrawlSessionProvider

@Inject
public CrawlSessionProvider(InMemoryStateFlowGraph stateFlowGraph,
                            CrawljaxConfiguration config,
                            com.codahale.metrics.MetricRegistry registry)

Method Detail

setup

public void setup(StateVertex indexState,
                  CrawlTaskConsumer firstConsumer)

Parameters:

indexState - the root of the SFG

firstConsumer -

Throws:

IllegalStateException - when the method is invoked more than once.

setup

public void setup(StateVertex indexState,
                  CrawlerContext context)

Alternate for consumer

Parameters:

indexState -

context -

get

public CrawlSession get()

Specified by:

get in interface javax.inject.Provider<CrawlSession>