org.archive.modules.recrawl

Class AbstractContentDigestHistory

java.lang.Object

org.archive.modules.recrawl.AbstractContentDigestHistory

Direct Known Subclasses:

BdbContentDigestHistory

public abstract class AbstractContentDigestHistory
extends Object

Represents a store of information, presumably persistent, keyed by content digest.

Contributor:

nlevitt

Constructor Summary

Constructors

Constructor and Description
AbstractContentDigestHistory()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	load(CrawlURI curi) Looks up the history by key persistKeyFor(curi) and loads it into curi.getContentDigestHistory().
protected String	persistKeyFor(CrawlURI curi)
abstract void	store(CrawlURI curi) Stores curi.getContentDigestHistory() for the key persistKeyFor(curi).

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractContentDigestHistory

public AbstractContentDigestHistory()

Method Detail

load

public abstract void load(CrawlURI curi)

Looks up the history by key persistKeyFor(curi) and loads it into curi.getContentDigestHistory().

Parameters:

curi -

store

public abstract void store(CrawlURI curi)

Stores curi.getContentDigestHistory() for the key persistKeyFor(curi).

Parameters:

curi -

persistKeyFor

protected String persistKeyFor(CrawlURI curi)

Parameters:

curi -

Returns:

curi.getContentDigestSchemeString()

Throws:

IllegalStateException - if curi.getContentDigestSchemeString() is null