mirror of
https://github.com/yacy/yacy_search_server.git
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90 lines
3.2 KiB
Java
90 lines
3.2 KiB
Java
/**
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* ErrorCache
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* Copyright 2016 by luccioman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.search.index;
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import java.io.IOException;
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import org.apache.solr.client.solrj.SolrQuery;
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import org.apache.solr.client.solrj.SolrQuery.SortClause;
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import org.apache.solr.common.SolrDocument;
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import org.apache.solr.common.SolrDocumentList;
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import org.apache.solr.common.params.CommonParams;
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import net.yacy.cora.federate.solr.connector.AbstractSolrConnector;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.search.Switchboard;
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import net.yacy.search.schema.CollectionSchema;
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/**
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* A task to concurrently fill the ErrorCache from the index
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* @author luccioman
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*
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*/
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public class ErrorCacheFiller extends Thread {
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/** Switchboard instance */
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private Switchboard sb;
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/** The cache to fill */
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private ErrorCache cache;
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/**
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* Constructor : this prepares the concurrent task
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* @param sb switchboard instance. Must not be null.
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* @param cache error cache to fill. Must not be null.
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*/
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public ErrorCacheFiller(Switchboard sb, ErrorCache cache) {
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super(ErrorCacheFiller.class.getSimpleName());
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if(sb == null || cache == null) {
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throw new IllegalArgumentException("Unexpected null parameters");
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}
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this.sb = sb;
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this.cache = cache;
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}
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/**
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* Fills the error cache with recently failed document hashes found in the index
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*/
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@Override
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public void run() {
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final SolrQuery params = new SolrQuery();
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params.setParam("defType", "edismax");
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params.setStart(0);
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params.setRows(1000);
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params.setFacet(false);
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params.setSort(new SortClause(CollectionSchema.load_date_dt.getSolrFieldName(), SolrQuery.ORDER.desc)); // load_date_dt = faildate
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params.setFields(CollectionSchema.id.getSolrFieldName());
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params.setQuery(CollectionSchema.failreason_s.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM);
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params.set(CommonParams.DF, CollectionSchema.id.getSolrFieldName()); // DisMaxParams.QF or CommonParams.DF must be given
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SolrDocumentList docList;
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try {
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docList = this.sb.index.fulltext().getDefaultConnector().getDocumentListByParams(params);
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if (docList != null) for (int i = docList.size() - 1; i >= 0; i--) {
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SolrDocument doc = docList.get(i);
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String hash = (String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName());
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cache.putHashOnly(hash);
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}
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} catch (IOException e) {
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ConcurrentLog.logException(e);
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}
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}
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}
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