Examples with ISerializerDeserializer org.apache.hyracks.api.dataflow.value.ISerializerDeserializer used on opensource projects

Example 96 with ISerializerDeserializer

use of org.apache.hyracks.api.dataflow.value.ISerializerDeserializer in project asterixdb by apache.

the class TemporalIntervalStartAccessor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private final DataOutput out = resultStorage.getDataOutput();

                private final IPointable argPtr = new VoidPointable();

                private final IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                // possible output
                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ADate> dateSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);

                private final AMutableDate aDate = new AMutableDate(0);

                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ADateTime> datetimeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATETIME);

                private final AMutableDateTime aDateTime = new AMutableDateTime(0);

                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ATime> timeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);

                private final AMutableTime aTime = new AMutableTime(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int startOffset = argPtr.getStartOffset();
                    resultStorage.reset();
                    try {
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG) {
                            byte timeType = AIntervalSerializerDeserializer.getIntervalTimeType(bytes, startOffset + 1);
                            long startTime = AIntervalSerializerDeserializer.getIntervalStart(bytes, startOffset + 1);
                            if (timeType == ATypeTag.SERIALIZED_DATE_TYPE_TAG) {
                                aDate.setValue((int) (startTime));
                                dateSerde.serialize(aDate, out);
                            } else if (timeType == ATypeTag.SERIALIZED_TIME_TYPE_TAG) {
                                aTime.setValue((int) (startTime));
                                timeSerde.serialize(aTime, out);
                            } else if (timeType == ATypeTag.SERIALIZED_DATETIME_TYPE_TAG) {
                                aDateTime.setValue(startTime);
                                datetimeSerde.serialize(aDateTime, out);
                            } else {
                                throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                            }
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[startOffset], ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                        }
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 97 with ISerializerDeserializer

use of org.apache.hyracks.api.dataflow.value.ISerializerDeserializer in project asterixdb by apache.

the class TemporalIntervalStartDateAccessor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private final DataOutput out = resultStorage.getDataOutput();

                private final IPointable argPtr = new VoidPointable();

                private final IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                // possible output
                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ADate> dateSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);

                private final AMutableDate aDate = new AMutableDate(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int startOffset = argPtr.getStartOffset();
                    resultStorage.reset();
                    try {
                        if (bytes[startOffset] == SERIALIZED_INTERVAL_TYPE_TAG) {
                            byte timeType = AIntervalSerializerDeserializer.getIntervalTimeType(bytes, startOffset + 1);
                            long startTime = AIntervalSerializerDeserializer.getIntervalStart(bytes, startOffset + 1);
                            if (timeType == ATypeTag.SERIALIZED_DATE_TYPE_TAG) {
                                aDate.setValue((int) (startTime));
                                dateSerde.serialize(aDate, out);
                            } else {
                                throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                            }
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[startOffset], ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                        }
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 98 with ISerializerDeserializer

use of org.apache.hyracks.api.dataflow.value.ISerializerDeserializer in project asterixdb by apache.

the class TemporalIntervalStartTimeAccessor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private final DataOutput out = resultStorage.getDataOutput();

                private final IPointable argPtr = new VoidPointable();

                private final IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                // possible output
                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ATime> timeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);

                private final AMutableTime aTime = new AMutableTime(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int startOffset = argPtr.getStartOffset();
                    resultStorage.reset();
                    try {
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG) {
                            byte timeType = AIntervalSerializerDeserializer.getIntervalTimeType(bytes, startOffset + 1);
                            long startTime = AIntervalSerializerDeserializer.getIntervalStart(bytes, startOffset + 1);
                            if (timeType == ATypeTag.SERIALIZED_TIME_TYPE_TAG) {
                                aTime.setValue((int) (startTime));
                                timeSerde.serialize(aTime, out);
                            } else {
                                throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                            }
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[startOffset], ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                        }
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 99 with ISerializerDeserializer

use of org.apache.hyracks.api.dataflow.value.ISerializerDeserializer in project asterixdb by apache.

the class TemporalSecondAccessor method createEvaluatorFactory.

/* (non-Javadoc)
     * @see org.apache.asterix.runtime.base.IScalarFunctionDynamicDescriptor#createEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory[])
     */
@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private final DataOutput out = resultStorage.getDataOutput();

                private final IPointable argPtr = new VoidPointable();

                private final IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                private final GregorianCalendarSystem calSystem = GregorianCalendarSystem.getInstance();

                // for output: type integer
                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<AInt64> intSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                private final AMutableInt64 aMutableInt64 = new AMutableInt64(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int startOffset = argPtr.getStartOffset();
                    resultStorage.reset();
                    try {
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_DURATION_TYPE_TAG) {
                            aMutableInt64.setValue(calSystem.getDurationSecond(ADurationSerializerDeserializer.getDayTime(bytes, startOffset + 1)));
                            intSerde.serialize(aMutableInt64, out);
                            result.set(resultStorage);
                            return;
                        }
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_DAY_TIME_DURATION_TYPE_TAG) {
                            aMutableInt64.setValue(calSystem.getDurationSecond(ADayTimeDurationSerializerDeserializer.getDayTime(bytes, startOffset + 1)));
                            intSerde.serialize(aMutableInt64, out);
                            result.set(resultStorage);
                            return;
                        }
                        long chrononTimeInMs = 0;
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_TIME_TYPE_TAG) {
                            chrononTimeInMs = AInt32SerializerDeserializer.getInt(bytes, startOffset + 1);
                        } else if (bytes[startOffset] == ATypeTag.SERIALIZED_DATETIME_TYPE_TAG) {
                            chrononTimeInMs = AInt64SerializerDeserializer.getLong(bytes, startOffset + 1);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[startOffset], ATypeTag.SERIALIZED_DURATION_TYPE_TAG, ATypeTag.SERIALIZED_DAY_TIME_DURATION_TYPE_TAG, ATypeTag.SERIALIZED_TIME_TYPE_TAG, ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                        }
                        int sec = calSystem.getSecOfMin(chrononTimeInMs);
                        aMutableInt64.setValue(sec);
                        intSerde.serialize(aMutableInt64, out);
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 100 with ISerializerDeserializer

use of org.apache.hyracks.api.dataflow.value.ISerializerDeserializer in project asterixdb by apache.

the class LSMInvertedIndexTestUtils method compareActualAndExpectedIndexes.

/**
     * Compares actual and expected indexes by comparing their inverted-lists one by one. Exercises the openInvertedListCursor() method of the inverted-index accessor.
     */
@SuppressWarnings("unchecked")
public static void compareActualAndExpectedIndexes(LSMInvertedIndexTestContext testCtx) throws HyracksDataException {
    IInvertedIndex invIndex = (IInvertedIndex) testCtx.getIndex();
    ISerializerDeserializer[] fieldSerdes = testCtx.getFieldSerdes();
    MultiComparator invListCmp = MultiComparator.create(invIndex.getInvListCmpFactories());
    IInvertedIndexAccessor invIndexAccessor = (IInvertedIndexAccessor) testCtx.getIndexAccessor();
    int tokenFieldCount = invIndex.getTokenTypeTraits().length;
    int invListFieldCount = invIndex.getInvListTypeTraits().length;
    // All tokens that were inserted into the indexes.
    Iterator<Comparable> tokensIter = testCtx.getAllTokens().iterator();
    // Search key for finding an inverted-list in the actual index.
    ArrayTupleBuilder searchKeyBuilder = new ArrayTupleBuilder(tokenFieldCount);
    ArrayTupleReference searchKey = new ArrayTupleReference();
    // Cursor over inverted list from actual index.
    IInvertedListCursor actualInvListCursor = invIndexAccessor.createInvertedListCursor();
    // Helpers for generating a serialized inverted-list element from a CheckTuple from the expected index.
    ArrayTupleBuilder expectedBuilder = new ArrayTupleBuilder(fieldSerdes.length);
    // Includes the token fields.
    ArrayTupleReference completeExpectedTuple = new ArrayTupleReference();
    // Field permutation and permuting tuple reference to strip away token fields from completeExpectedTuple.
    int[] fieldPermutation = new int[invListFieldCount];
    for (int i = 0; i < fieldPermutation.length; i++) {
        fieldPermutation[i] = tokenFieldCount + i;
    }
    PermutingTupleReference expectedTuple = new PermutingTupleReference(fieldPermutation);
    // Iterate over all tokens. Find the inverted-lists in actual and expected indexes. Compare the inverted lists,
    while (tokensIter.hasNext()) {
        Comparable token = tokensIter.next();
        // Position inverted-list iterator on expected index.
        CheckTuple checkLowKey = new CheckTuple(tokenFieldCount, tokenFieldCount);
        checkLowKey.appendField(token);
        CheckTuple checkHighKey = new CheckTuple(tokenFieldCount, tokenFieldCount);
        checkHighKey.appendField(token);
        SortedSet<CheckTuple> expectedInvList = OrderedIndexTestUtils.getPrefixExpectedSubset(testCtx.getCheckTuples(), checkLowKey, checkHighKey);
        Iterator<CheckTuple> expectedInvListIter = expectedInvList.iterator();
        // Position inverted-list cursor in actual index.
        OrderedIndexTestUtils.createTupleFromCheckTuple(checkLowKey, searchKeyBuilder, searchKey, fieldSerdes);
        invIndexAccessor.openInvertedListCursor(actualInvListCursor, searchKey);
        if (actualInvListCursor.size() != expectedInvList.size()) {
            fail("Actual and expected inverted lists for token '" + token.toString() + "' have different sizes. Actual size: " + actualInvListCursor.size() + ". Expected size: " + expectedInvList.size() + ".");
        }
        // Compare inverted-list elements.
        int count = 0;
        actualInvListCursor.pinPages();
        try {
            while (actualInvListCursor.hasNext() && expectedInvListIter.hasNext()) {
                actualInvListCursor.next();
                ITupleReference actual = actualInvListCursor.getTuple();
                CheckTuple expected = expectedInvListIter.next();
                OrderedIndexTestUtils.createTupleFromCheckTuple(expected, expectedBuilder, completeExpectedTuple, fieldSerdes);
                expectedTuple.reset(completeExpectedTuple);
                if (invListCmp.compare(actual, expectedTuple) != 0) {
                    fail("Inverted lists of token '" + token + "' differ at position " + count + ".");
                }
                count++;
            }
        } finally {
            actualInvListCursor.unpinPages();
        }
    }
}