Package org.apache.lucene.store

Examples of org.apache.lucene.store.Directory.fileExists()

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      io.writeByte((byte) 69);

      io.flush();
      io.close();

      assert dir.fileExists("MyNewFile.txt");
      assert null != cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));

      // test contents by reading:
      byte[] buf = new byte[9];
      IndexInput ii = dir.openInput("MyNewFile.txt", IOContext.DEFAULT);
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                iw.commit();
                IndexCommit ic = sdp.snapshot();
                for (String name : ic.getFileNames()) {
                  //distribute, and backup
                  //System.out.println(names);
                  assertTrue(dir.fileExists(name));
                }
              } catch (Exception e) {
                throw new RuntimeException(e);
              }
            }
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    } catch (CrashingException e) {
      // expected
    }
    // writes segments_3
    indexWriter.close();
    assertFalse(realDirectory.fileExists("segments_2"));
    crashAfterCreateOutput.close();
  }
   
  /**
   * Attempts to index another 1 document.
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    // currently the test fails above.
    // however, to test the fix, the following lines should pass as well.
    indexWriter.addDocument(getDocument());
    indexWriter.close();
    assertFalse(realDirectory.fileExists("segments_2"));
    realDirectory.close();
  }
   
  /**
   * Run an example search.
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      out.writeByte((byte) 42);
      out.close();
     
      new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random()))).close();
     
      assertTrue(dir.fileExists("myrandomfile"));
    } finally {
      dir.close();
    }
  }
 
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      out.writeByte((byte) 42);
      out.close();
     
      new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random()))).close();
     
      assertTrue(dir.fileExists("_a.frq"));
     
      IndexWriter iw = new IndexWriter(dir,
          newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
      iw.addDocument(new Document());
      iw.close();
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      IndexWriter iw = new IndexWriter(dir,
          newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
      iw.addDocument(new Document());
      iw.close();
     
      assertFalse(dir.fileExists("_a.frq"));
    } finally {
      dir.close();
    }
  }
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      taxoWriter.commit();
      Revision rev1 = new IndexAndTaxonomyRevision(indexWriter, taxoWriter);
      // releasing that revision should not delete the files
      rev1.release();
      assertTrue(indexDir.fileExists(IndexFileNames.SEGMENTS + "_1"));
      assertTrue(taxoDir.fileExists(IndexFileNames.SEGMENTS + "_1"));
     
      rev1 = new IndexAndTaxonomyRevision(indexWriter, taxoWriter); // create revision again, so the files are snapshotted
      indexWriter.addDocument(newDocument(taxoWriter));
      indexWriter.commit();
      taxoWriter.commit();
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        return results;
      }
      IndexTracer tracer = new IndexTracer((TraceableDirectory) directory, _maxSampleSize);
      String fileName = getSampleFileName(segmentReader.getSegmentName());
      List<IndexTracerResult> segmentTraces = new ArrayList<IndexTracerResult>();
      if (directory.fileExists(fileName)) {
        IndexInput input = directory.openInput(fileName, IOContext.READONCE);
        segmentTraces = read(input);
        input.close();
      } else {
        Fields fields = atomicReader.fields();
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      out.writeByte((byte) 42);
      out.close();

      new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED).close();

      assertTrue(dir.fileExists("myrandomfile"));

      // Make sure this does not copy myrandomfile:
      Directory dir2 = new RAMDirectory(dir);
      assertTrue(!dir2.fileExists("myrandomfile"));
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