Example usage for org.apache.lucene.util.packed PackedInts checkVersion

Introduction

In this page you can find the example usage for org.apache.lucene.util.packed PackedInts checkVersion.

Prototype

public static void checkVersion(int version) 

Source Link

Document

Check the validity of a version number.

Usage

From source file:com.lucure.core.codec.ForUtil.java

License:Apache License

/**
 * Restore a {@link ForUtil} from a {@link DataInput}.
 *///  ww w . ja va  2 s .c  o m
ForUtil(DataInput in) throws IOException {
    int packedIntsVersion = in.readVInt();
    PackedInts.checkVersion(packedIntsVersion);
    encodedSizes = new int[33];
    encoders = new PackedInts.Encoder[33];
    decoders = new PackedInts.Decoder[33];
    iterations = new int[33];

    for (int bpv = 1; bpv <= 32; ++bpv) {
        final int code = in.readVInt();
        final int formatId = code >>> 5;
        final int bitsPerValue = (code & 31) + 1;

        final PackedInts.Format format = PackedInts.Format.byId(formatId);
        assert format.isSupported(bitsPerValue);
        encodedSizes[bpv] = encodedSize(format, packedIntsVersion, bitsPerValue);
        encoders[bpv] = PackedInts.getEncoder(format, packedIntsVersion, bitsPerValue);
        decoders[bpv] = PackedInts.getDecoder(format, packedIntsVersion, bitsPerValue);
        iterations[bpv] = computeIterations(decoders[bpv]);
    }
}

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