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基于HBasene(HBase+Lucene)筹建搜索应用例子

2012-07-22 
基于HBasene(HBase+Lucene)搭建搜索应用例子https://github.com/akkumar/hbasene/wiki/hello-worldimport

基于HBasene(HBase+Lucene)搭建搜索应用例子
https://github.com/akkumar/hbasene/wiki/hello-world

import java.io.IOException;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.hbase.HBaseConfiguration;import org.apache.hadoop.hbase.client.HTablePool;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.index.IndexReader;import org.apache.lucene.index.Term;import org.apache.lucene.search.IndexSearcher;import org.apache.lucene.search.TermQuery;import org.apache.lucene.search.TopDocs;import org.apache.lucene.util.Version;public class HelloWorldClass {  public static void main(final String[] args) throws IOException {    final String indexName = "myindex";    Configuration conf = HBaseConfiguration.create(); //hbase-site.xml in the classpath      //with hbase.zookeeper.quorum, property configured.    HBaseIndexStore.createLuceneIndexTable(indexName, conf, true);    HTablePool tablePool = new HTablePool(conf, 10);    //Write    HBaseIndexStore hbaseIndex = new HBaseIndexStore(tablePool, indexName);    HBaseIndexWriter writer = new HBaseIndexWriter(hbaseIndex, "id"); //Name of the primary key field.    Document doc = getDocument();    writer.addDocument(doc, new StandardAnalyzer(Version.LUCENE_30));    //Read/Search    IndexReader reader = new HBaseIndexReader(tablePool, indexName);    IndexSearcher searcher = new IndexSearcher(reader);    TopDocs docs = searcher.search(new TermQuery(new Term("content", "plays")),        3);    searcher.close();  }  private static Document getDocument() {     Document doc = new Document();    doc.add(new Field("content", "some content", Field.Store.NO,        Field.Index.ANALYZED_NO_NORMS));    doc.add(new Field("id", "some id", Field.Store.YES, Field.Index.NO));    return doc;  }}

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