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

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

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

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    // Open reader w/ one segment w/ 2 docs, 1 deleted:
    DirectoryReader r = DirectoryReader.open(dir);


    // Blow away the index:
    for(String fileName : dir.listAll()) {
      dir.deleteFile(fileName);
    }


    w = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    doc = new Document();
    doc.add(newStringField("id", "id", Field.Store.NO));

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    // Open reader w/ one segment w/ 2 docs, 1 deleted:
    DirectoryReader r = DirectoryReader.open(dir);


    // Blow away the index:
    for(String fileName : dir.listAll()) {
      dir.deleteFile(fileName);
    }


    w = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
    doc = new Document();
    doc.add(newStringField("id", "id", Field.Store.NO));

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


      directory.close();
      return new SegmentInfo(merged, si1.docCount + si2.docCount, directory, useCompoundFile, true);
   }

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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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            start = new Date();


            for (int i = 0; i < count; i++) {
                if (i % 2 == 0) {
                    String name = i + ".dat";
                    store.deleteFile(name);
                }
            }
        } catch (IOException e) {
            txn.abort();
            txn = null;

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            start = new Date();


            for (int i = 0; i < count; i++) {
                if (i % 2 != 0) {
                    String name = i + ".dat";
                    store.deleteFile(name);
                }
            }


        } catch (IOException e) {
            txn.abort();

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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;

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