Example usage for org.apache.lucene.store ByteArrayDataInput readVLong

Introduction

In this page you can find the example usage for org.apache.lucene.store ByteArrayDataInput readVLong.

Prototype

@Override
    public long readVLong() 

Source Link

Usage

From source file:com.rocana.lucene.codec.v1.RocanaSegmentTermsEnum.java

License:Apache License

@SuppressWarnings("unused")
private void printSeekState(PrintStream out) throws IOException {
    if (currentFrame == staticFrame) {
        out.println("  no prior seek");
    } else {/*from  w w w .  java  2s  .  c o  m*/
        out.println("  prior seek state:");
        int ord = 0;
        boolean isSeekFrame = true;
        while (true) {
            RocanaSegmentTermsEnumFrame f = getFrame(ord);
            assert f != null;
            final BytesRef prefix = new BytesRef(term.get().bytes, 0, f.prefix);
            if (f.nextEnt == -1) {
                out.println("    frame " + (isSeekFrame ? "(seek)" : "(next)") + " ord=" + ord + " fp=" + f.fp
                        + (f.isFloor ? (" (fpOrig=" + f.fpOrig + ")") : "") + " prefixLen=" + f.prefix
                        + " prefix=" + prefix + (f.nextEnt == -1 ? "" : (" (of " + f.entCount + ")"))
                        + " hasTerms=" + f.hasTerms + " isFloor=" + f.isFloor + " code="
                        + ((f.fp << RocanaBlockTreeTermsReader.OUTPUT_FLAGS_NUM_BITS)
                                + (f.hasTerms ? RocanaBlockTreeTermsReader.OUTPUT_FLAG_HAS_TERMS : 0)
                                + (f.isFloor ? RocanaBlockTreeTermsReader.OUTPUT_FLAG_IS_FLOOR : 0))
                        + " isLastInFloor=" + f.isLastInFloor + " mdUpto=" + f.metaDataUpto + " tbOrd="
                        + f.getTermBlockOrd());
            } else {
                out.println("    frame " + (isSeekFrame ? "(seek, loaded)" : "(next, loaded)") + " ord=" + ord
                        + " fp=" + f.fp + (f.isFloor ? (" (fpOrig=" + f.fpOrig + ")") : "") + " prefixLen="
                        + f.prefix + " prefix=" + prefix + " nextEnt=" + f.nextEnt
                        + (f.nextEnt == -1 ? "" : (" (of " + f.entCount + ")")) + " hasTerms=" + f.hasTerms
                        + " isFloor=" + f.isFloor + " code="
                        + ((f.fp << RocanaBlockTreeTermsReader.OUTPUT_FLAGS_NUM_BITS)
                                + (f.hasTerms ? RocanaBlockTreeTermsReader.OUTPUT_FLAG_HAS_TERMS : 0)
                                + (f.isFloor ? RocanaBlockTreeTermsReader.OUTPUT_FLAG_IS_FLOOR : 0))
                        + " lastSubFP=" + f.lastSubFP + " isLastInFloor=" + f.isLastInFloor + " mdUpto="
                        + f.metaDataUpto + " tbOrd=" + f.getTermBlockOrd());
            }
            if (fr.index != null) {
                assert !isSeekFrame || f.arc != null : "isSeekFrame=" + isSeekFrame + " f.arc=" + f.arc;
                if (f.prefix > 0 && isSeekFrame && f.arc.label != (term.byteAt(f.prefix - 1) & 0xFF)) {
                    out.println("      broken seek state: arc.label=" + (char) f.arc.label + " vs term byte="
                            + (char) (term.byteAt(f.prefix - 1) & 0xFF));
                    throw new RuntimeException("seek state is broken");
                }
                BytesRef output = Util.get(fr.index, prefix);
                if (output == null) {
                    out.println("      broken seek state: prefix is not final in index");
                    throw new RuntimeException("seek state is broken");
                } else if (isSeekFrame && !f.isFloor) {
                    final ByteArrayDataInput reader = new ByteArrayDataInput(output.bytes, output.offset,
                            output.length);
                    final long codeOrig = reader.readVLong();
                    final long code = (f.fp << RocanaBlockTreeTermsReader.OUTPUT_FLAGS_NUM_BITS)
                            | (f.hasTerms ? RocanaBlockTreeTermsReader.OUTPUT_FLAG_HAS_TERMS : 0)
                            | (f.isFloor ? RocanaBlockTreeTermsReader.OUTPUT_FLAG_IS_FLOOR : 0);
                    if (codeOrig != code) {
                        out.println("      broken seek state: output code=" + codeOrig
                                + " doesn't match frame code=" + code);
                        throw new RuntimeException("seek state is broken");
                    }
                }
            }
            if (f == currentFrame) {
                break;
            }
            if (f.prefix == validIndexPrefix) {
                isSeekFrame = false;
            }
            ord++;
        }
    }
}

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