String url = "http://localhost:8983/solr";//8983是web服务器的端口号,需要根据情况进行调整
SolrServer server = new HttpSolrServer( url );
以上使用默认的方式创建server,你也可以配置其他的连接参数:
String url = "http://localhost:8983/solr" ;
HttpSolrServer server = new HttpSolrServer( url ); server.setMaxRetries(1); // defaults to 0. > 1 not recommended. server.setConnectionTimeout(5000); // 5 seconds to establish TCP
// Setting the XML response parser is only required for cross
// version compatibility and only when one side is 1.4.1 or
// earlier and the other side is 3.1 or later. server.setParser(new XMLResponseParser());
// binary parser is used by default
// The following settings are provided here for completeness.
// They will not normally be required, and should only be used
// after consulting javadocs to know whether they are truly required.
server.setSoTimeout(1000); // socket read timeout
server.setDefaultMaxConnectionsPerHost(100);
server.setMaxTotalConnections(100);
server.setFollowRedirects(false); // defaults to false
// allowCompression defaults to false.
// Server side must support gzip or deflate for this to have any effect.
server.setAllowCompression(true); 2、EmbeddedSolrServer
EmbeddedSolrServer提供了和HttpSolrServer一样的接口,区别是EmbeddedSolrServer没有通过http连接。
//Note that the following property could be set through JVM level arguments too
System.setProperty("solr.solr.home", "d:/solr_home/solr"); //此处配置solr home,根据自己的情况修改
CoreContainer.Initializer initializer = new CoreContainer.Initializer();
CoreContainer coreContainer = initializer.initialize();
EmbeddedSolrServer server = new EmbeddedSolrServer(coreContainer, "");
当然实际中可能不止一个core,那么采用如下方式:
File home = new File( "d:/solr_home/solr" );//此处配置solr home,根据自己的情况修改
File f = new File( home, "solr.xml" );
CoreContainer container = new CoreContainer();
container.load( "d:/solr_home/solr", f );
EmbeddedSolrServer server = new EmbeddedSolrServer( container, "core name as defined in solr.xml" );//双引号配置你的core名字
...
在嵌入式的应用中使用solr,推荐使用EmbeddedSolrServer。
注意:EmbeddedSolrServer使用有个前提条件,需要在solrconfig.xml配置相对应的RequestHandler,如:/update对应更新操作。
SolrQuery query = new SolrQuery(); query.setQuery("foo");
query.setHighlight(true).setHighlightSnippets(1);
//set other params as needed
query.setParam("hl.fl", "content");
QueryResponse queryResponse = getSolrServer().query(query);
处理高亮显示结果:
Iterator iter = queryResponse.getResults().iterator();
while (iter.hasNext()) {
SolrDocument resultDoc = iter.next();
String content = (String) resultDoc.getFieldValue("content");
String id = (String) resultDoc.getFieldValue("id"); //id is the uniqueKey field
if (queryResponse.getHighlighting().get(id) != null) {
List highlightSnippets = queryResponse.getHighlighting().get(id).get("content");
}
}