Package org.archive.crawler.frontier.precedence

Class PrecedenceProvider

java.lang.Object

org.archive.crawler.frontier.precedence.PrecedenceProvider

All Implemented Interfaces:

Serializable, FetchStats.CollectsFetchStats, org.archive.util.Reporter

Direct Known Subclasses:

SimplePrecedenceProvider

public abstract class PrecedenceProvider
extends Object
implements org.archive.util.Reporter, FetchStats.CollectsFetchStats, Serializable

Parent class for precedence-providers, stateful helpers that can be installed in a WorkQueue to implement various queue-precedence policies.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PrecedenceProvider()

Method Summary

Modifier and Type	Method	Description
abstract int	getPrecedence()
void	reportTo(PrintWriter writer)
String	shortReportLegend()
String	shortReportLine()
void	shortReportLineTo(PrintWriter writer)
Map<String,Object>	shortReportMap()
void	tally(CrawlURI curi, FetchStats.Stage stage)

Methods inherited from class java.lang.Object

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

Constructor Details

PrecedenceProvider

public PrecedenceProvider()

Method Details

getPrecedence

public abstract int getPrecedence()

tally

public void tally(CrawlURI curi,
 FetchStats.Stage stage)

Specified by:

tally in interface FetchStats.CollectsFetchStats

reportTo

public void reportTo(PrintWriter writer)

Specified by:

reportTo in interface org.archive.util.Reporter

shortReportLegend

public String shortReportLegend()

Specified by:

shortReportLegend in interface org.archive.util.Reporter

shortReportLine

public String shortReportLine()

shortReportMap

public Map<String,Object> shortReportMap()

Specified by:

shortReportMap in interface org.archive.util.Reporter

shortReportLineTo

public void shortReportLineTo(PrintWriter writer)

Specified by:

shortReportLineTo in interface org.archive.util.Reporter