adaptiverevisitattributeconstants.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

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<TH ALIGN="left"><B>Fields inherited from interface org.archive.crawler.datamodel.<A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html" title="interface in org.archive.crawler.datamodel">CoreAttributeConstants</A></B></TH>
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<TD><CODE><A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_ANNOTATIONS">A_ANNOTATIONS</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_CONTENT_TYPE">A_CONTENT_TYPE</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_CREDENTIAL_AVATARS_KEY">A_CREDENTIAL_AVATARS_KEY</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_DELAY_FACTOR">A_DELAY_FACTOR</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_DISTANCE_FROM_SEED">A_DISTANCE_FROM_SEED</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_DNS_FETCH_TIME">A_DNS_FETCH_TIME</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_DNS_SERVER_IP_LABEL">A_DNS_SERVER_IP_LABEL</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_FETCH_BEGAN_TIME">A_FETCH_BEGAN_TIME</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_FETCH_COMPLETED_TIME">A_FETCH_COMPLETED_TIME</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_FORCE_RETIRE">A_FORCE_RETIRE</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_HERITABLE_KEYS">A_HERITABLE_KEYS</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_HTML_BASE">A_HTML_BASE</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_HTTP_PROXY_HOST">A_HTTP_PROXY_HOST</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_HTTP_PROXY_PORT">A_HTTP_PROXY_PORT</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_HTTP_TRANSACTION">A_HTTP_TRANSACTION</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_LOCALIZED_ERRORS">A_LOCALIZED_ERRORS</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_META_ROBOTS">A_META_ROBOTS</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_MINIMUM_DELAY">A_MINIMUM_DELAY</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_MIRROR_PATH">A_MIRROR_PATH</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_PREREQUISITE_URI">A_PREREQUISITE_URI</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_RETRY_DELAY">A_RETRY_DELAY</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_RRECORD_SET_LABEL">A_RRECORD_SET_LABEL</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_RUNTIME_EXCEPTION">A_RUNTIME_EXCEPTION</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#A_SOURCE_TAG">A_SOURCE_TAG</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#HEADER_TRUNC">HEADER_TRUNC</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#LENGTH_TRUNC">LENGTH_TRUNC</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#TIMER_TRUNC">TIMER_TRUNC</A>, <A HREF="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html#TRUNC_SUFFIX">TRUNC_SUFFIX</A></CODE></TD>
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<A NAME="A_LAST_CONTENT_DIGEST"><!-- --></A><H3>
A_LAST_CONTENT_DIGEST</H3>
<PRE>
static final java.lang.String <B>A_LAST_CONTENT_DIGEST</B></PRE>
<DL>
<DD>Designates a field in the CrawlURIs AList for the content digest of
  an earlier visit.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_LAST_CONTENT_DIGEST">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_TIME_OF_NEXT_PROCESSING"><!-- --></A><H3>
A_TIME_OF_NEXT_PROCESSING</H3>
<PRE>
static final java.lang.String <B>A_TIME_OF_NEXT_PROCESSING</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_TIME_OF_NEXT_PROCESSING">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_WAIT_INTERVAL"><!-- --></A><H3>
A_WAIT_INTERVAL</H3>
<PRE>
static final java.lang.String <B>A_WAIT_INTERVAL</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_WAIT_INTERVAL">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_NUMBER_OF_VISITS"><!-- --></A><H3>
A_NUMBER_OF_VISITS</H3>
<PRE>
static final java.lang.String <B>A_NUMBER_OF_VISITS</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_NUMBER_OF_VISITS">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_NUMBER_OF_VERSIONS"><!-- --></A><H3>
A_NUMBER_OF_VERSIONS</H3>
<PRE>
static final java.lang.String <B>A_NUMBER_OF_VERSIONS</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_NUMBER_OF_VERSIONS">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_FETCH_OVERDUE"><!-- --></A><H3>
A_FETCH_OVERDUE</H3>
<PRE>
static final java.lang.String <B>A_FETCH_OVERDUE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_FETCH_OVERDUE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_LAST_ETAG"><!-- --></A><H3>
A_LAST_ETAG</H3>
<PRE>
static final java.lang.String <B>A_LAST_ETAG</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_LAST_ETAG">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_LAST_DATESTAMP"><!-- --></A><H3>
A_LAST_DATESTAMP</H3>
<PRE>
static final java.lang.String <B>A_LAST_DATESTAMP</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_LAST_DATESTAMP">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_WAIT_REEVALUATED"><!-- --></A><H3>
A_WAIT_REEVALUATED</H3>
<PRE>
static final java.lang.String <B>A_WAIT_REEVALUATED</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_WAIT_REEVALUATED">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CONTENT_UNKNOWN"><!-- --></A><H3>
CONTENT_UNKNOWN</H3>
<PRE>
static final int <B>CONTENT_UNKNOWN</B></PRE>
<DL>
<DD>No knowledge of URI content. Possibly not fetched yet, unable
  to check if different or an error occured on last fetch attempt.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.CONTENT_UNKNOWN">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CONTENT_UNCHANGED"><!-- --></A><H3>
CONTENT_UNCHANGED</H3>
<PRE>
static final int <B>CONTENT_UNCHANGED</B></PRE>
<DL>
<DD>URI content has not changed between the two latest, successfully
  completed fetches.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.CONTENT_UNCHANGED">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CONTENT_CHANGED"><!-- --></A><H3>
CONTENT_CHANGED</H3>
<PRE>
static final int <B>CONTENT_CHANGED</B></PRE>
<DL>
<DD>URI content had changed between the two latest, successfully completed
  fetches. By definition, content has changed if there has only been one
  successful fetch made.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.CONTENT_CHANGED">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="A_CONTENT_STATE_KEY"><!-- --></A><H3>
A_CONTENT_STATE_KEY</H3>
<PRE>
static final java.lang.String <B>A_CONTENT_STATE_KEY</B></PRE>
<DL>
<DD>Key to use getting state of crawluri from the CrawlURI alist.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.archive.crawler.frontier.AdaptiveRevisitAttributeConstants.A_CONTENT_STATE_KEY">Constant Field Values</A></DL>
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