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101 lines
2.8 KiB
XML
101 lines
2.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: af4410a7e15898c3dbe83d6ea38246745ed9c6fb Maintainer: jesus_cova Status: ready -->
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<chapter xml:id="yaz.examples" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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&reftitle.examples;
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<para>
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PHP/YAZ mantiene la vía de conexión con los objetivos de
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las (Asociaciones-Z). Un recurso representa una conexión a
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objetivo.
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</para>
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<para>
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El código debajo demuestra las características de la búsqueda en paralelo
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del API. Cuando se invoca sin argumentos imprime una consulta de formulario; sino
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(los argumentos son suministrados) busca los objetivos como son dados en el arreglo del
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<literal>anfitrión</literal>.
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</para>
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<para>
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<example>
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<title>Busqueda Paralela usando YAZ</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$host=$_REQUEST[anfitrion];
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$query=$_REQUEST[consulta];
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$num_hosts = count($host);
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if (empty($query) || count($host) == 0) {
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echo '<form method="get">
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<input type="checkbox"
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name="host[]" value="bagel.indexdata.dk/gils" />
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Prueba GILS
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<input type="checkbox"
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name="host[]" value="localhost:9999/Default" />
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Prueba local
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<input type="checkbox" checked="checked"
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name="host[]" value="z3950.loc.gov:7090/voyager" />
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Congresos de librería
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<br />
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RPN Query:
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<input type="text" size="30" name="query" />
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<input type="submit" name="action" value="Buscar" />
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</form>
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';
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} else {
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echo 'Se encontro para ' . htmlspecialchars($query) . '<br />';
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for ($i = 0; $i < $num_hosts; $i++) {
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$id[] = yaz_connect($host[$i]);
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yaz_syntax($id[$i], "usmarc");
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yaz_range($id[$i], 1, 10);
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yaz_search($id[$i], "rpn", $query);
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}
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yaz_wait();
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for ($i = 0; $i < $num_hosts; $i++) {
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echo '<hr />' . $host[$i] . ':';
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$error = yaz_error($id[$i]);
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if (!empty($error)) {
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echo "Error: $error";
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} else {
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$hits = yaz_hits($id[$i]);
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echo "Conteo de Resultado $hits";
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}
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echo '<dl>';
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for ($p = 1; $p <= 10; $p++) {
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$rec = yaz_record($id[$i], $p, "string");
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if (empty($rec)) continue;
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echo "<dt><b>$p</b></dt><dd>";
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echo nl2br($rec);
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echo "</dd>";
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}
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echo '</dl>';
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}
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</chapter>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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