Package org.apache.lucene.store

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

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    IndexOutput output = directory.createOutput(name, IOContext.DEFAULT);
    byte[] bs = "hello world".getBytes();
    output.writeBytes(bs, bs.length);
    output.close();

    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    Cache cache = getCache();
    CacheIndexInput cacheInput = new CacheIndexInput(null, name, input, cache);
    byte[] buf = new byte[bs.length];
    cacheInput.readBytes(buf, 0, buf.length);
    cacheInput.close();
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    IndexOutput output = directory.createOutput(name, IOContext.DEFAULT);
    writeRandomData(size, random, output);
    output.close();

    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    IndexInput testInput = new CacheIndexInput(null, name, input.clone(), cache);
    readRandomData(input, testInput, random, sampleSize, maxBufSize, maxOffset);
    readRandomDataShort(input, testInput, random, sampleSize);
    readRandomDataInt(input, testInput, random, sampleSize);
    readRandomDataLong(input, testInput, random, sampleSize);
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    RAMDirectory dir = new RAMDirectory();
    IndexOutput stream = dir.createOutput("foo.txt");
    pool.writePool(stream);
    stream.flush();
    stream.close();
    IndexInput input = dir.openInput("foo.txt");
    assertEquals(pool.byteOffset + pool.byteUpto, stream.length());
    BytesRef expected = new BytesRef();
    BytesRef actual = new BytesRef();
    for (String string : list) {
      expected.copy(string);
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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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        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(valueCount, reader.size());
        if (mutable instanceof Packed64SingleBlock) {
          // make sure that we used the right format so that the reader has
          // the same performance characteristics as the mutable that has been
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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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        out.write(data);
        out.close();

        byte[] buf = new byte[3];
        int pos = 0;
        IndexInput in = dir.openInput("test");
        for (;;) {
            int len = (int) Math.min(buf.length, in.length() - pos);
            in.readBytes(buf, 0, len);
            for (int i = 0; i < len; i++, pos++) {
                assertEquals(data[pos], buf[i]);
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        rand.nextBytes(data);
        Directory dir = new RAMDirectory();
        IndexOutput out = dir.createOutput("test");
        out.writeBytes(data, data.length);
        out.close();
        InputStream in = new IndexInputStream(dir.openInput("test"));
        if (buffer != 0) {
            in = new BufferedInputStream(in, buffer);
        }
        byte[] buf = new byte[3];
        int len;
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