Package org.apache.lucene.store

Examples of org.apache.lucene.store.RAMDirectory.openInput()

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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test", IOContext.DEFAULT);

        assertThat(input.getFilePointer(), lessThan(input.length()));
        InputStreamIndexInput is = new InputStreamIndexInput(input, 2);
        assertThat(is.actualSizeToRead(), equalTo(2l));
        assertThat(is.read(), equalTo(1));
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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test", IOContext.DEFAULT);

        byte[] read = new byte[2];

        assertThat(input.getFilePointer(), lessThan(input.length()));
        InputStreamIndexInput is = new InputStreamIndexInput(input, 2);
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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test", IOContext.DEFAULT);

        byte[] read = new byte[4];

        assertThat(input.getFilePointer(), lessThan(input.length()));
        InputStreamIndexInput is = new InputStreamIndexInput(input, 4);
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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test", IOContext.DEFAULT);
        InputStreamIndexInput is = new InputStreamIndexInput(input, 4);
        assertThat(is.markSupported(), equalTo(true));
        assertThat(is.read(), equalTo(1));
        assertThat(is.read(), equalTo(1));
        is.mark(0);
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        // writing segments file:
        String fileNameIn = SegmentInfos.getCurrentSegmentFileName(dir);
        String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                   "",
                                                                   1+gen);
        IndexInput in = dir.openInput(fileNameIn);
        IndexOutput out = dir.createOutput(fileNameOut);
        long length = in.length();
        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
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        String fileNameIn = SegmentInfos.getCurrentSegmentFileName(dir);
        String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                   "",
                                                                   1+gen);
        IndexInput in = dir.openInput(fileNameIn);
        IndexOutput out = dir.createOutput(fileNameOut);
        long length = in.length();
        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
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  public void testRawIndexInputRead() throws IOException {
    final RAMDirectory dir = new RAMDirectory();
    IndexOutput os = dir.createOutput("foo");
    os.writeBytes(READ_TEST_BYTES, READ_TEST_BYTES.length);
    os.close();
    IndexInput is = dir.openInput("foo");
    checkReads(is, IOException.class);
    is.close();
   
    os = dir.createOutput("bar");
    os.writeBytes(RANDOM_TEST_BYTES, RANDOM_TEST_BYTES.length);
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    is.close();
   
    os = dir.createOutput("bar");
    os.writeBytes(RANDOM_TEST_BYTES, RANDOM_TEST_BYTES.length);
    os.close();
    is = dir.openInput("bar");
    checkRandomReads(is);
    is.close();
    dir.close();
  }
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        // writing segments file:
        String fileNameIn = SegmentInfos.getCurrentSegmentFileName(dir);
        String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                   "",
                                                                   1+gen);
        IndexInput in = dir.openInput(fileNameIn);
        IndexOutput out = dir.createOutput(fileNameOut);
        long length = in.length();
        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
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        String fileNameIn = SegmentInfos.getCurrentSegmentFileName(dir);
        String fileNameOut = IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS,
                                                                   "",
                                                                   1+gen);
        IndexInput in = dir.openInput(fileNameIn);
        IndexOutput out = dir.createOutput(fileNameOut);
        long length = in.length();
        for(int i=0;i<length-1;i++) {
          out.writeByte(in.readByte());
        }
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