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

org.apache.lucene.store.Directory.deleteFile()
Removes an existing file in the directory.

        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
        in.close();
        out.close();
        dir.deleteFile(fileNameIn);


        IndexReader reader = null;
        try {
          reader = IndexReader.open(dir);
          fail("reader did not hit IOException on opening a corrupt index");

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        assertTrue("segment generation should be > 1 but got " + gen, gen > 1);


        String[] files = dir.list();
        for(int i=0;i<files.length;i++) {
          if (files[i].endsWith(".cfs")) {
            dir.deleteFile(files[i]);
            break;
          }
        }


        IndexReader reader = null;

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      } catch (IOException e) {
        // OK
        break;
      }
      
      dir.deleteFile(IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", gen));
      gen--;
    }


    dir.close();
  }

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      // exist, and, I can open a reader on each:
      long gen = SegmentInfos.getCurrentSegmentGeneration(dir);
      while(gen > 0) {
        IndexReader reader = IndexReader.open(dir);
        reader.close();
        dir.deleteFile(IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", gen));
        gen--;


        if (gen > 0) {
          // Now that we've removed a commit point, which
          // should have orphan'd at least one index file.

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          if (i != N) {
            throw e;
          }
        }
        if (i < N) {
          dir.deleteFile(IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", gen));
        }
        gen--;
      }


      dir.close();

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          if (i != N) {
            throw e;
          }
        }
        if (i < N) {
          dir.deleteFile(IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", gen));
        }
        gen--;
      }
      
      dir.close();

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          if (i != N) {
            throw e;
          }
        }
        if (i < N) {
          dir.deleteFile(IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", gen));
        }
        gen--;
      }
      
      dir.close();

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      merger.closeReaders();
      
      if (useCompoundFile) {
        Vector filesToDelete = merger.createCompoundFile(merged + ".cfs");
        for (Iterator iter = filesToDelete.iterator(); iter.hasNext();)
          directory.deleteFile((String) iter.next());
      }


      directory.close();
   }

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            gen = new Random(1251971);
            start = new Date();


            for (int i = 0; i < count; i++) {
                String name = i + ".dat";
                store.deleteFile(name);
            }
        } catch (IOException e) {
            txn.abort();
            txn = null;
            throw e;

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            gen = new Random(1251971);
            start = new Date();


            for (int i = 0; i < count; i++) {
                String name = i + ".dat";
                store.deleteFile(name);
            }
        } catch (IOException e) {
            txn.abort();
            txn = null;
            throw e;

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