solrUtil工具类

import java.io.IOException;import java.io.InputStream;import java.lang.reflect.Field;import java.lang.reflect.Method;import java.util.ArrayList;import java.util.Collection;import java.util.List;import java.util.Map;import java.util.Properties;import org.apache.solr.client.solrj.SolrQuery;import org.apache.solr.client.solrj.SolrServerException;import org.apache.solr.client.solrj.impl.HttpSolrServer;import org.apache.solr.client.solrj.response.QueryResponse;import org.apache.solr.common.SolrDocument;import org.apache.solr.common.SolrDocumentList;/** * @Description:单例的solr服务工具类 * @author kang * @创建时间 2015下午2:17:18 */public class SolrUtils{private static String URL = "";private static SolrUtils solrContext = new SolrUtils();private static HttpSolrServer server = new HttpSolrServer(URL);static{server.setSoTimeout(100000); // socket read timeoutserver.setConnectionTimeout(100000);server.setDefaultMaxConnectionsPerHost(100);server.setMaxTotalConnections(100);server.setFollowRedirects(false); // defaults to falseserver.setAllowCompression(true);server.setMaxRetries(1); // defaults to 0. > 1 not recommended.}private SolrUtils(){InputStream inputStream = SolrUtils.class.getClassLoader().getResourceAsStream("config.properties");try{Properties properties = new Properties();properties.load(inputStream);URL = properties.getProperty("SOLR_URL");}catch (IOException e){throw new RuntimeException(e.getMessage());}finally{try{inputStream.close();}catch (IOException e){throw new RuntimeException(e.getMessage());}}}public static SolrUtils getInstance(){return solrContext;}public static HttpSolrServer getServer(){return server;}/** * @Description: 添加单个对象到索引 * @author kang * @创建时间 2015下午2:59:50 * @param @param object * @param @throws IOException * @param @throws SolrServerException * @return void * @throws */public void addBean(Object object) throws IOException, SolrServerException{server.addBean(object);server.commit(false, false);}/** * @Description: 添加集合到索引 * @author kang * @创建时间 2015下午3:02:23 * @param @param lists * @param @throws SolrServerException * @param @throws IOException * @return void * @throws */public <E> void addBeans(List<E> lists) throws SolrServerException, IOException{server.addBeans(lists);server.commit(false, false);}/** * @Description: 根据id删除记录 * @author kang * @创建时间 2015下午5:10:54 * @param @param idName * @param @param id * @param @throws SolrServerException * @param @throws IOException * @return void * @throws */public void deleteById(String idName, Object id) throws SolrServerException, IOException{server.deleteByQuery(idName + ":" + id.toString());server.commit(false, false);}/** * @Description: 根据ids批量删除 * @author kang * @创建时间 2015下午5:26:39 * @param @param idName * @param @param ids * @param @throws SolrServerException * @param @throws IOException * @return void * @throws */public <E> void deleteByIds(String idName, List<E> ids) throws SolrServerException, IOException{if (ids.size() > 0){StringBuffer query = new StringBuffer(idName + ":" + ids.get(0));for (int i = 1; i < ids.size(); i++){if (null != ids.get(i)){query.append(" OR " + idName + ":" + ids.get(i).toString());}}server.deleteByQuery(query.toString());server.commit(false, false);}}/** *  * @Description: 根据查询从索引删除 * @author kang * @创建时间 2015下午5:32:35 * @param @param query * @param @throws SolrServerException * @param @throws IOException * @return void * @throws */public void deleteByQuery(String query) throws SolrServerException, IOException{server.deleteByQuery(query);server.commit(false, false);}/** *  * @Description: 删除所有 * @author kang * @创建时间 2015下午5:36:21 * @param @throws SolrServerException * @param @throws IOException * @return void * @throws */public void deleteAll() throws SolrServerException, IOException{server.deleteByQuery("*:*");server.commit(false, false);}/** * @Description: 关键字分页查询 * @author kang * @创建时间 2015下午4:54:24 * @param @param keyword * @param @param pageNum * @param @param pageSize * @param @param clzz * @param @return * @return Page<T> * @throws */public <T> Page<T> getByPage(String keywords, int pageNum, int pageSize, Class<T> clzz, String lang, Boolean distinguish){SolrQuery query = new SolrQuery();query.setQuery(keywords)// 查询内容.setStart((pageNum - 1) * pageSize)// 分页.setRows(pageSize);//if (distinguish){query.addFilterQuery("lang:" + lang);// 中英文区别}QueryResponse response = null;try{response = server.query(query);}catch (SolrServerException e){e.printStackTrace();return null;}// 查询结果集SolrDocumentList results = response.getResults();// 获取对象List<T> beans = server.getBinder().getBeans(clzz, results);// 总记录数int total = new Long(response.getResults().getNumFound()).intValue();return new Page<T>(pageNum, pageSize, total, beans);}/** * @Description: 判断是否有索引数据 * @author kang * @创建时间 2015下午4:54:24 * @param @param keyword * @param @param pageNum * @param @param pageSize * @param @param clzz * @param @return * @return Page<T> * @throws */public boolean hasIndex(){SolrQuery query = new SolrQuery();query.setQuery("*:*")// 查询内容.setStart(0)// 分页.setRows(1);QueryResponse response = null;try{response = server.query(query);}catch (SolrServerException e){e.printStackTrace();return false;}// 总记录数int total = new Long(response.getResults().getNumFound()).intValue();return total == 0 ? false : true;}/** *  * @Description:带高亮的关键字查询 * @author kang * @创建时间 2015下午9:03:02 * @param @param keywords * @param @param pageNum * @param @param pageSize * @param @param hlFields * @param @param preTag * @param @param postTag * @param @param clzz * @param @param idName * @param @return * @return Page<T> * @throws */public <T> Page<T> getHighterByPage(String keywords, int pageNum, int pageSize, List<String> hlFields, String preTag, String postTag, Class<T> clzz, String idName, String lang, Boolean distinguish){SolrQuery query = new SolrQuery();query.setQuery(keywords)// 查询内容.setHighlight(true)// 设置高亮显示.setHighlightSimplePre(preTag)// 渲染头标签.setHighlightSimplePost(postTag)// 尾标签.setStart((pageNum - 1) * pageSize)// 分页.setRows(pageSize);//if (distinguish){query.addFilterQuery("lang:" + lang);// 中英文区别}// 设置高亮区域for (String hl : hlFields){query.addHighlightField(hl);}QueryResponse response = null;try{response = server.query(query);}catch (SolrServerException e){e.printStackTrace();return null;}SolrDocumentList results = response.getResults();// 总记录数int total = new Long(results.getNumFound()).intValue();// 查询结果集ArrayList<T> list = new ArrayList<T>();try{Object object = null;Method method = null;Class<?> fieldType = null;Map<String, Map<String, List<String>>> map = response.getHighlighting();for (SolrDocument solrDocument : results){object = clzz.newInstance();// 得到所有属性名Collection<String> fieldNames = solrDocument.getFieldNames();for (String fieldName : fieldNames){Field[] fields = clzz.getDeclaredFields();for (Field f : fields){// 如果实体属性名和查询返回集中的字段名一致，填充对应的set方法if (f.getName().equals(fieldName)){f = clzz.getDeclaredField(fieldName);fieldType = f.getType();// 构造set方法名 setIdString dynamicSetMethod = dynamicMethodName(f.getName(), "set");// 获取方法method = clzz.getMethod(dynamicSetMethod, fieldType);// 获取fieldType类型// fieldType = getFileType(fieldType);// 获取到的属性method.invoke(object, fieldType.cast(solrDocument.getFieldValue(fieldName)));for (String hl : hlFields){if (hl.equals(fieldName)){String idv = solrDocument.getFieldValue(idName).toString();List<String> hfList = map.get(idv).get(fieldName);if (null != hfList && hfList.size() > 0){// 高亮添加method.invoke(object, fieldType.cast(hfList.get(0)));}else{method.invoke(object, fieldType.cast(solrDocument.getFieldValue(fieldName)));}}}}}}list.add(clzz.cast(object));}}catch (Exception e){e.printStackTrace();return null;}return new Page<T>(pageNum, pageSize, total, list);}/** * @Description: 动态生成方法名 * @author kang * @创建时间 2015下午9:16:59 * @param @param name * @param @param string * @param @return * @return String * @throws */private String dynamicMethodName(String name, String string){if (Character.isUpperCase(name.charAt(0))) return string + name;else return (new StringBuilder()).append(string + Character.toUpperCase(name.charAt(0))).append(name.substring(1)).toString();}/** * @Description:因为反射的属性可能是一个集合,所以在利用反射转换之前,需要进行更精确地判断,这实例中实体对象中的属性为简单类型,所以这个方法可以处理 * @author kang * @创建时间 2015下午6:59:17 * @param @param fieldType * @param @return * @return Class<?> * @throws */public Class<?> getFileType(Class<?> fieldType){// 如果是 int, float等基本类型，则需要转型if (fieldType.equals(Integer.TYPE)){return Integer.class;}else if (fieldType.equals(Float.TYPE)){return Float.class;}else if (fieldType.equals(Double.TYPE)){return Double.class;}else if (fieldType.equals(Boolean.TYPE)){return Boolean.class;}else if (fieldType.equals(Short.TYPE)){return Short.class;}else if (fieldType.equals(Long.TYPE)){return Long.class;}else if (fieldType.equals(String.class)){return String.class;}else if (fieldType.equals(Collection.class)) { return Collection.class; }return null;}}

附上本人整合好solr的tomcat 

修改apache-tomcat-7.0.47\conf\Catalina\localhost\solr.xml即可

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