Examples of net.agkn.hll.serialization.ISchemaVersion.paddingBytes()

Class net.agkn.hll.serialization.ISchemaVersion

Examples of net.agkn.hll.serialization.ISchemaVersion.paddingBytes()

net.agkn.hll.serialization.ISchemaVersion.paddingBytes()
The number of metadata bytes required for a serialized HLL of the specified type. @param type the type of the serialized HLL @return the number of padding bytes needed in order to fully accommodatethe needed metadata.

     */
    @Test
    public void toFromBytesTest() {
        final ISchemaVersion schemaVersion = SerializationUtil.DEFAULT_SCHEMA_VERSION;
        final HLLType type = HLLType.EXPLICIT;
        final int padding = schemaVersion.paddingBytes(type);
        final int bytesPerWord = 8;


        {// Should work on an empty set
            final HLL hll = newHLL(128/*arbitrary*/);

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        final int sparseThreshold = 256/*arbitrary*/;
        final int shortWordLength = 16/*log2m + regwidth = 11 + 5*/;


        final ISchemaVersion schemaVersion = SerializationUtil.DEFAULT_SCHEMA_VERSION;
        final HLLType type = HLLType.SPARSE;
        final int padding = schemaVersion.paddingBytes(type);


        {// Should work on an empty element
            final HLL hll = new HLL(log2m, regwidth, 128/*explicitThreshold, arbitrary, unused*/, sparseThreshold, HLLType.SPARSE);
            final byte[] bytes = hll.toBytes(schemaVersion);

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        final int log2m = 11/*arbitrary*/;
        final int regwidth = 5;


        final ISchemaVersion schemaVersion = SerializationUtil.DEFAULT_SCHEMA_VERSION;
        final HLLType type = HLLType.FULL;
        final int padding = schemaVersion.paddingBytes(type);
        final int dataByteCount = ProbabilisticTestUtil.getRequiredBytes(regwidth, (1 << log2m)/*aka 2^log2m = m*/);
        final int expectedByteCount = padding + dataByteCount;


        {// Should work on an empty element
            final HLL hll = new HLL(log2m, regwidth, 128/*explicitThreshold, arbitrary, unused*/, 256/*sparseThreshold, arbitrary, unused*/, HLLType.FULL);

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