Package org.apache.lucene.store

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

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        IndexOutput out = directory.createOutput("packed-ints.bin", IOContext.DEFAULT);
        mutable.save(out);
        out.close();

        IndexInput in = directory.openInput("packed-ints.bin", IOContext.DEFAULT);
        PackedInts.Reader reader = PackedInts.getReader(in);
        assertEquals(mutable.getBitsPerValue(), reader.getBitsPerValue());
        assertEquals(valueCount, reader.size());
        if (mutable instanceof Packed64SingleBlock) {
          // make sure that we used the right format so that the reader has
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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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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test");

        for (int i = 0; i < 3; i++) {
            InputStreamIndexInput is = new InputStreamIndexInput(input, 1);
            assertThat(input.getFilePointer(), lessThan(input.length()));
            assertThat(is.actualSizeToRead(), equalTo(1l));
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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test");

        byte[] read = new byte[2];

        for (int i = 0; i < 3; i++) {
            assertThat(input.getFilePointer(), lessThan(input.length()));
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            output.writeByte((byte) 2);
        }

        output.close();

        IndexInput input = dir.openInput("test");

        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");

        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");

        byte[] read = new byte[4];

        assertThat(input.getFilePointer(), lessThan(input.length()));
        InputStreamIndexInput is = new InputStreamIndexInput(input, 4);
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    byte[] b = new byte[16000];
    random.nextBytes(b);
    indexOutput.writeBytes(b, 16000);
    indexOutput.close();

    IndexInput input = directory.openInput("test", IOContext.DEFAULT);
    assertEquals(16002, input.length());
    assertEquals(1, input.readByte());
    assertEquals(2, input.readByte());

    byte[] buf = new byte[16000];
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    CacheIndexInputTest.writeRandomData(size, random, output, cacheIndexOutput);
    output.close();
    cacheIndexOutput.close();

    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    IndexInput testInput = directory2.openInput(name, IOContext.DEFAULT);
    CacheIndexInputTest.readRandomData(input, testInput, random, sampleSize, maxBufSize, maxOffset);
    testInput.close();
    input.close();
    directory.close();
    directory2.close();
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