doc/sru_z3950.xml

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   5 <!-- $Id: sru_z3950.xml,v 1.3 2007-01-05 10:56:17 marc Exp $ -->
   6 <refentry>
   7  <refmeta>
   8   <refentrytitle>sru_z3950</refentrytitle>
   9   <manvolnum>3mp</manvolnum>
  10   <refmiscinfo>Metaproxy Module</refmiscinfo>
  11  </refmeta>
  12
  13  <refnamediv>
  14   <refname>sru_z3950</refname>
  15   <refpurpose>transforming SRU web service requests to Z3950 metaproxy packages</refpurpose>
  16  </refnamediv>
  17
  18  <refsect1><title>DESCRIPTION</title>
  19   <para>
  20    The <literal>sru_z3950</literal> metaproxy filter transforms valid
  21    SRU GET/POST/SOAP requests to Z3950 requests, and wraps the
  22    received hit counts and XML records into suitable SRU response messages.
  23   </para>
  24   <para>
  25    It supports only the SRU <literal>searchRetrieve</literal> operation, which
  26    is transformed into successive Z3950 <literal>init</literal>,
  27    <literal>search</literal> and <literal>present</literal> requests.
  28   </para>
  29   <para>
  30    The SRU <literal>scan</literal> operation is not supported.
  31    </para>
  32   <para>
  33    The SRU <literal>explain</literal> operation is not supported.
  34    A configuration for a full SRU server needs to prepend the
  35    <literal>zeerex_explain</literal> filter in front of this
  36    <literal>sru_z3950</literal> to serve explain requests.
  37    </para>
  38   <para>
  39    This filter does not handle CQL-to-PQF translations. In case that
  40    the backends do not understand CQL, you need to prepend the
  41    <literal>cql_pqf</literal> metaproxy filter. This filter
  42    still needs to be implemented.
  43    </para>
  44  </refsect1>
  45
  46  <refsect1><title>EXAMPLES</title>
  47   <para>
  48    A typical configuration looks like this:
  49    <screen><![CDATA[
  50     <filter type="sru_z3950"/>
  51 ]]>
  52    </screen>
  53   </para>
  54  </refsect1>
  55
  56  <refsect1><title>SEE ALSO</title>
  57   <para>
  58    <citerefentry>
  59     <refentrytitle>metaproxy</refentrytitle>
  60     <manvolnum>1</manvolnum>
  61    </citerefentry>
  62   </para>
  63  </refsect1>
  64
  65  &copyright;
  66 </refentry>
  67
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