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<html><head><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>2. The Frontiers handling of dispositions</title><link href="../docbook.css" rel="stylesheet" type="text/css"><meta content="DocBook XSL Stylesheets V1.67.2" name="generator"><link rel="start" href="index.html" title="Heritrix developer documentation"><link rel="up" href="apa.html" title="A. Future changes in the API"><link rel="prev" href="refactor_HTTPRecorder.html" title="1. The org.archive.util.HTTPRecorder class"><link rel="next" href="release_numbering.html" title="B. Version and Release Numbering"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">2. The Frontiers handling of dispositions</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="refactor_HTTPRecorder.html">Prev</a> </td><th align="center" width="60%">A. Future changes in the API</th><td align="right" width="20%"> <a accesskey="n" href="release_numbering.html">Next</a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="refactor_frontier_dispositions"></a>2. The Frontiers handling of dispositions</h2></div></div></div><p>When the Frontier decides which URIs should be treated as deferred and which has failed, it must check the fetch status and have knowledge about every possible status code. This complicates adding new status codes. It should be possible to constrain the number of status groups the Frontier has to know and then let the processors decide which group a new status code falls into. Possible status groups are:</p><p>successful</p><p>failure</p><p>disregard</p><p>retry immediately</p><p>retry after any prerequisite</p><p>retry at some later time</p></div><div class="navfooter"><hr><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="refactor_HTTPRecorder.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="apa.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="release_numbering.html">Next</a></td></tr><tr><td valign="top" align="left" width="40%">1. The org.archive.util.HTTPRecorder class </td><td align="center" width="20%"><a accesskey="h" href="index.html">Home</a></td><td valign="top" align="right" width="40%"> B. Version and Release Numbering</td></tr></table></div></body></html>⌨️ 快捷键说明
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