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OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, ...) and the REST/RESTFul API you will be able to integrate quickly and easily advanced full-text search capabilities in your application. OpenSearchServer runs on Windows and Linux/Unix/BSD.
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/**
* License Agreement for OpenSearchServer
*
* Copyright (C) 2011-2013 Emmanuel Keller / Jaeksoft
*
* http://www.open-search-server.com
*
* This file is part of OpenSearchServer.
*
* OpenSearchServer is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenSearchServer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenSearchServer.
* If not, see {
private String value;
private Float boost;
private String requestName;
private String query;
private transient Map queryMap;
private static final String CLASSIFIER_ITEM_REQUESTNAME_ATTRIBUTE = "request";
private static final String CLASSIFIER_ITEM_VALUE_NODE = "value";
private static final String CLASSIFIER_ITEM_VALUE_BOOST_ATTRIBUTE = "boost";
private static final String CLASSIFIER_ITEM_QUERY_NODE = "query";
public ClassifierItem() {
value = null;
boost = null;
requestName = null;
query = null;
queryMap = new HashMap();
}
public ClassifierItem(Node node) throws XPathExpressionException {
this();
Node valueNode = DomUtils
.getFirstNode(node, CLASSIFIER_ITEM_VALUE_NODE);
if (valueNode != null) {
setValue(DomUtils.getText(valueNode));
setBoost(XPathParser.getAttributeFloat(valueNode,
CLASSIFIER_ITEM_VALUE_BOOST_ATTRIBUTE));
}
Node queryNode = DomUtils
.getFirstNode(node, CLASSIFIER_ITEM_QUERY_NODE);
if (queryNode != null) {
setQuery(DomUtils.getText(queryNode));
setRequestName(DomUtils.getAttributeText(queryNode,
CLASSIFIER_ITEM_REQUESTNAME_ATTRIBUTE));
}
}
public ClassifierItem(ClassifierItem item) {
this();
item.copyTo(this);
}
public void copyTo(ClassifierItem target) {
target.value = value;
target.boost = boost;
target.requestName = requestName;
target.query = query;
}
/**
* @param value
* the value to set
*/
public void setValue(String value) {
this.value = value;
}
/**
* @param boost
* the boost to set
*/
public void setBoost(Float boost) {
this.boost = boost;
}
/**
* @return the boost
*/
public Float getBoost() {
return boost;
}
/**
* @return the value
*/
public String getValue() {
return value;
}
/**
* @param requestName
* the requestName to set
*/
public void setRequestName(String requestName) {
this.requestName = requestName;
}
/**
* @return the requestName
*/
public String getRequestName() {
return requestName;
}
/**
* @param query
* the query to set
*/
public void setQuery(String query) {
this.query = query;
queryMap.clear();
}
/**
* @return the query
*/
public String getQuery() {
return query;
}
@Override
public int compareTo(ClassifierItem item) {
int i;
if ((i = StringUtils.compareNullValues(value, item.value)) != 0)
return i;
if (value != null)
if ((i = value.compareTo(item.value)) != 0)
return i;
if ((i = StringUtils.compareNullValues(requestName, item.requestName)) != 0)
return i;
if (requestName != null)
if ((i = requestName.compareTo(item.requestName)) != 0)
return i;
if ((i = StringUtils.compareNullValues(query, item.query)) != 0)
return i;
if (query != null)
if ((i = query.compareTo(item.query)) != 0)
return i;
return 0;
}
public void writeXml(XmlWriter xmlWriter, String itemNodeName)
throws SAXException {
// Start item element
xmlWriter.startElement(itemNodeName);
// Start value element
xmlWriter.startElement(CLASSIFIER_ITEM_VALUE_NODE,
CLASSIFIER_ITEM_VALUE_BOOST_ATTRIBUTE, boost == null ? null
: boost.toString());
xmlWriter.textNode(value);
xmlWriter.endElement();
// Query element
xmlWriter.startElement(CLASSIFIER_ITEM_QUERY_NODE,
CLASSIFIER_ITEM_REQUESTNAME_ATTRIBUTE, requestName);
xmlWriter.textNode(query);
xmlWriter.endElement();
// End Item element
xmlWriter.endElement();
}
private AbstractSearchRequest getSearchRequest(Client client,
LanguageEnum lang) throws SearchLibException {
AbstractSearchRequest searchRequest;
if (requestName != null && requestName.length() > 0)
searchRequest = (AbstractSearchRequest) client
.getNewRequest(requestName);
else
searchRequest = new SearchPatternRequest(client);
searchRequest.setLang(lang);
searchRequest.setQueryString(query);
return searchRequest;
}
public int query(Client client, LanguageEnum lang)
throws SearchLibException {
AbstractSearchRequest searchRequest = getSearchRequest(client, lang);
searchRequest.setRows(0);
return ((AbstractResultSearch) client.request(searchRequest))
.getNumFound();
}
protected final float score(Client client, LanguageEnum lang,
MemoryIndex index) throws ParseException, SearchLibException,
SyntaxError, IOException {
Query qry = queryMap.get(lang);
if (qry == null) {
AbstractSearchRequest searchRequest = getSearchRequest(client, lang);
qry = searchRequest.getQuery();
queryMap.put(lang, qry);
}
return index.search(qry);
}
}