File	Doc	Category	Size	Date	Package
TestDateFilter.java	API Doc	Apache Lucene 1.9	4788	Mon Feb 20 09:19:32 GMT 2006	org.apache.lucene.search

TestDateFilter

• java.lang.Object
  • junit.framework.Assert
    • junit.framework.TestCase

Fields Summary

Constructors Summary
public TestDateFilter(String name) super(name);

Methods Summary
public static void	testAfter() // create an index RAMDirectory indexStore = new RAMDirectory(); IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true); long now = System.currentTimeMillis(); Document doc = new Document(); // add time that is in the future doc.add(new Field("datefield", DateField.timeToString(now + 888888), Field.Store.YES, Field.Index.UN_TOKENIZED)); doc.add(new Field("body", "Today is a very sunny day in New York City", Field.Store.YES, Field.Index.TOKENIZED)); writer.addDocument(doc); writer.optimize(); writer.close(); IndexSearcher searcher = new IndexSearcher(indexStore); // filter that should preserve matches DateFilter df1 = DateFilter.After("datefield", now); // filter that should discard matches DateFilter df2 = DateFilter.After("datefield", now + 999999); // search something that doesn't exist with DateFilter Query query1 = new TermQuery(new Term("body", "NoMatchForThis")); // search for something that does exists Query query2 = new TermQuery(new Term("body", "sunny")); Hits result; // ensure that queries return expected results without DateFilter first result = searcher.search(query1); assertEquals(0, result.length()); result = searcher.search(query2); assertEquals(1, result.length()); // run queries with DateFilter result = searcher.search(query1, df1); assertEquals(0, result.length()); result = searcher.search(query1, df2); assertEquals(0, result.length()); result = searcher.search(query2, df1); assertEquals(1, result.length()); result = searcher.search(query2, df2); assertEquals(0, result.length());
public static void	testBefore() // create an index RAMDirectory indexStore = new RAMDirectory(); IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true); long now = System.currentTimeMillis(); Document doc = new Document(); // add time that is in the past doc.add(new Field("datefield", DateField.timeToString(now - 1000), Field.Store.YES, Field.Index.UN_TOKENIZED)); doc.add(new Field("body", "Today is a very sunny day in New York City", Field.Store.YES, Field.Index.TOKENIZED)); writer.addDocument(doc); writer.optimize(); writer.close(); IndexSearcher searcher = new IndexSearcher(indexStore); // filter that should preserve matches DateFilter df1 = DateFilter.Before("datefield", now); // filter that should discard matches DateFilter df2 = DateFilter.Before("datefield", now - 999999); // search something that doesn't exist with DateFilter Query query1 = new TermQuery(new Term("body", "NoMatchForThis")); // search for something that does exists Query query2 = new TermQuery(new Term("body", "sunny")); Hits result; // ensure that queries return expected results without DateFilter first result = searcher.search(query1); assertEquals(0, result.length()); result = searcher.search(query2); assertEquals(1, result.length()); // run queries with DateFilter result = searcher.search(query1, df1); assertEquals(0, result.length()); result = searcher.search(query1, df2); assertEquals(0, result.length()); result = searcher.search(query2, df1); assertEquals(1, result.length()); result = searcher.search(query2, df2); assertEquals(0, result.length());