YaCy can now use the solr index to compute text snippets. This makes search result preparation MUCH faster because no document fetching and parsing is necessary any more.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7943 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
orbiter
14 years ago
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0819e1d397
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/**
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* SolrConnector
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* Copyright 2011 by Michael Peter Christen
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* First released 13.09.2011 at http://yacy.net
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*
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* $LastChangedDate: 2011-04-14 22:05:04 +0200 (Do, 14 Apr 2011) $
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* $LastChangedRevision: 7654 $
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* $LastChangedBy: orbiter $
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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.cora.services.federated.solr;
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import java.io.IOException;
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import java.util.List;
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import net.yacy.cora.protocol.ResponseHeader;
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import net.yacy.document.Document;
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import net.yacy.kelondro.data.meta.DigestURI;
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import org.apache.solr.common.SolrDocumentList;
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public interface SolrConnector {
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/**
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* with a scheme the fields of a SolrDocument can be translated to actual data values
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* @return the solr scheme that can translate the SolrDocument
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*/
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public SolrScheme getScheme();
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public void close();
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/**
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* delete everything in the solr index
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* @throws IOException
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*/
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public void clear() throws IOException;
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/**
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* delete an entry from solr
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* @param id the url hash of the entry
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* @throws IOException
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*/
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public void delete(final String id) throws IOException;
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/**
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* delete a set of entries from solr; entries are identified by their url hash
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* @param ids a list of url hashes
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* @throws IOException
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*/
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public void delete(final List<String> ids) throws IOException;
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/**
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* add a YaCy document. This calls the scheme processor to add the document as solr document
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* @param id the url hash of the entry
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* @param header the http response header
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* @param doc the YaCy document
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* @throws IOException
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*/
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public void add(final String id, final ResponseHeader header, final Document doc) throws IOException;
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/**
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* register an entry as error document
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* @param digestURI
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* @param failReason
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* @param httpstatus
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* @throws IOException
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*/
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public void err(final DigestURI digestURI, final String failReason, final int httpstatus) throws IOException;
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/**
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* get a query result from solr
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* to get all results set the query String to "*:*"
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* @param querystring
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* @throws IOException
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*/
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public SolrDocumentList get(final String querystring, final int offset, final int count) throws IOException;
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/**
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* get the size of the index
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* @return number of results if solr is queries with a catch-all pattern
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*/
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public long getSize();
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}
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