Package org.apache.lucene.store

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

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

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

    } finally {
      dir.close();
      _TestUtil.rmDir(indexDir);
    }
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        //  now open reader again & set norm for doc 0 (writes to _0_2.s0)
        reader = IndexReader.open(dir, false);
        reader.setNorm(0, "content", (float) 2.0);
        reader.close();
        assertFalse("failed to remove first generation norms file on writing second generation",
                    dir.fileExists("_0_1.s0"));
       
        dir.close();
    }

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

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

    } finally {
      dir.close();
      _TestUtil.rmDir(indexDir);
    }
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        //  now open reader again & set norm for doc 0 (writes to _0_2.s0)
        reader = IndexReader.open(dir, false);
        reader.setNorm(0, "content", (float) 2.0);
        reader.close();
        assertFalse("failed to remove first generation norms file on writing second generation",
                    dir.fileExists("_0_1.s0"));
       
        dir.close();
    }

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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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        //  now open reader again & set norm for doc 0 (writes to _0_2.s0)
        reader = IndexReader.open(dir, false);
        reader.setNorm(0, "content", (float) 2.0);
        reader.close();
        assertFalse("failed to remove first generation norms file on writing second generation",
                    dir.fileExists("_0_1.s0"));
       
        dir.close();
    }

    /* ??? public void testOpenEmptyDirectory() throws IOException{
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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"));

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

      // Make sure this does not copy myrandomfile:
      Directory dir2 = new MockDirectoryWrapper(random, new RAMDirectory(dir));
      assertTrue(!dir2.fileExists("myrandomfile"));
      dir2.close();
    } finally {
      dir.close();
    }
  }
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        // nothing when applied:
        delTerm = new Term("id", "x" + count);
      }
      w.updateDocument(delTerm, doc);
      // Eventually segment 0 should get a del docs:
      if (dir.fileExists("_0_1.del")) {
        if (VERBOSE) {
          System.out.println("TEST: deletes created @ count=" + count);
        }
        break;
      }
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