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Example 6 with IHyracksTaskContext

use of org.apache.hyracks.api.context.IHyracksTaskContext in project asterixdb by apache.

the class StringToCodePointDescriptor method createEvaluatorFactory.

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

        private static final long serialVersionUID = 1L;

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

                protected final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                protected final DataOutput out = resultStorage.getDataOutput();

                protected final IPointable argPtr = new VoidPointable();

                protected final IScalarEvaluator stringEval = args[0].createScalarEvaluator(ctx);

                protected final AOrderedListType intListType = new AOrderedListType(BuiltinType.AINT64, null);

                private OrderedListBuilder listBuilder = new OrderedListBuilder();

                private ArrayBackedValueStorage inputVal = new ArrayBackedValueStorage();

                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<AInt64> int64Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                private final AMutableInt64 aInt64 = new AMutableInt64(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    try {
                        resultStorage.reset();
                        stringEval.evaluate(tuple, argPtr);
                        byte[] serString = argPtr.getByteArray();
                        int offset = argPtr.getStartOffset();
                        if (serString[offset] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            int len = UTF8StringUtil.getUTFLength(serString, offset + 1);
                            int start = offset + 1 + UTF8StringUtil.getNumBytesToStoreLength(len);
                            int pos = 0;
                            listBuilder.reset(intListType);
                            while (pos < len) {
                                int codePoint = UTF8StringUtil.UTF8ToCodePoint(serString, start + pos);
                                pos += UTF8StringUtil.charSize(serString, start + pos);
                                inputVal.reset();
                                aInt64.setValue(codePoint);
                                int64Serde.serialize(aInt64, inputVal.getDataOutput());
                                listBuilder.addItem(inputVal);
                            }
                            listBuilder.write(out, true);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, serString[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        result.set(resultStorage);
                    } catch (IOException e1) {
                        throw new HyracksDataException(e1);
                    }
                }
            };
        }
    };
}
Also used : DataOutput(java.io.DataOutput) OrderedListBuilder(org.apache.asterix.builders.OrderedListBuilder) AOrderedListType(org.apache.asterix.om.types.AOrderedListType) TypeMismatchException(org.apache.asterix.runtime.exceptions.TypeMismatchException) IPointable(org.apache.hyracks.data.std.api.IPointable) IOException(java.io.IOException) IScalarEvaluator(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator) ISerializerDeserializer(org.apache.hyracks.api.dataflow.value.ISerializerDeserializer) HyracksDataException(org.apache.hyracks.api.exceptions.HyracksDataException) IScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory) ArrayBackedValueStorage(org.apache.hyracks.data.std.util.ArrayBackedValueStorage) IHyracksTaskContext(org.apache.hyracks.api.context.IHyracksTaskContext) VoidPointable(org.apache.hyracks.data.std.primitive.VoidPointable) IFrameTupleReference(org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference) AMutableInt64(org.apache.asterix.om.base.AMutableInt64)

Example 7 with IHyracksTaskContext

use of org.apache.hyracks.api.context.IHyracksTaskContext in project asterixdb by apache.

the class StringTrim2Descriptor 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 AbstractBinaryStringStringEval(ctx, args[0], args[1], StringTrim2Descriptor.this.getIdentifier()) {

                private StringTrimmer stringTrimmer = new StringTrimmer(resultBuilder, resultArray);

                @Override
                protected void compute(UTF8StringPointable srcPtr, UTF8StringPointable patternPtr, UTF8StringPointable resultStrPtr) throws IOException {
                    stringTrimmer.build(patternPtr);
                    stringTrimmer.trim(srcPtr, resultStrPtr, true, true);
                }
            };
        }
    };
}
Also used : UTF8StringPointable(org.apache.hyracks.data.std.primitive.UTF8StringPointable) IHyracksTaskContext(org.apache.hyracks.api.context.IHyracksTaskContext) StringTrimmer(org.apache.asterix.runtime.evaluators.functions.utils.StringTrimmer) IScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory)

Example 8 with IHyracksTaskContext

use of org.apache.hyracks.api.context.IHyracksTaskContext in project asterixdb by apache.

the class RecordAddFieldsDescriptor method createEvaluatorFactory.

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

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
            final PointableAllocator allocator = new PointableAllocator();
            final IVisitablePointable vp0 = allocator.allocateRecordValue(inRecType);
            final IVisitablePointable vp1 = allocator.allocateListValue(inListType);
            final IPointable argPtr0 = new VoidPointable();
            final IPointable argPtr1 = new VoidPointable();
            final IScalarEvaluator eval0 = args[0].createScalarEvaluator(ctx);
            final IScalarEvaluator eval1 = args[1].createScalarEvaluator(ctx);
            final ArrayBackedValueStorage fieldNamePointable = new ArrayBackedValueStorage();
            final ArrayBackedValueStorage fieldValuePointer = new ArrayBackedValueStorage();
            final PointableHelper pointableHelper = new PointableHelper();
            try {
                pointableHelper.serializeString("field-name", fieldNamePointable, true);
                pointableHelper.serializeString("field-value", fieldValuePointer, true);
            } catch (AsterixException e) {
                throw new HyracksDataException(e);
            }
            return new IScalarEvaluator() {

                // the default 32k frame size
                public static final int TABLE_FRAME_SIZE = 32768;

                // the default 32k frame size
                public static final int TABLE_SIZE = 100;

                private final RecordBuilder recordBuilder = new RecordBuilder();

                private final RuntimeRecordTypeInfo requiredRecordTypeInfo = new RuntimeRecordTypeInfo();

                private final IBinaryHashFunction putHashFunc = ListItemBinaryHashFunctionFactory.INSTANCE.createBinaryHashFunction();

                private final IBinaryHashFunction getHashFunc = ListItemBinaryHashFunctionFactory.INSTANCE.createBinaryHashFunction();

                private final BinaryEntry keyEntry = new BinaryEntry();

                private final BinaryEntry valEntry = new BinaryEntry();

                private final IVisitablePointable tempValReference = allocator.allocateEmpty();

                private final IBinaryComparator cmp = ListItemBinaryComparatorFactory.INSTANCE.createBinaryComparator();

                private BinaryHashMap hashMap = new BinaryHashMap(TABLE_SIZE, TABLE_FRAME_SIZE, putHashFunc, getHashFunc, cmp);

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    recordBuilder.reset(outRecType);
                    requiredRecordTypeInfo.reset(outRecType);
                    eval0.evaluate(tuple, argPtr0);
                    eval1.evaluate(tuple, argPtr1);
                    // Make sure we get a valid record
                    byte typeTag0 = argPtr0.getByteArray()[argPtr0.getStartOffset()];
                    if (typeTag0 != ATypeTag.SERIALIZED_RECORD_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, typeTag0, ATypeTag.SERIALIZED_RECORD_TYPE_TAG);
                    }
                    // Make sure we get a valid list
                    byte typeTag1 = argPtr1.getByteArray()[argPtr1.getStartOffset()];
                    if (typeTag1 != ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 1, typeTag1, ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG);
                    }
                    vp0.set(argPtr0);
                    vp1.set(argPtr1);
                    ARecordVisitablePointable recordPointable = (ARecordVisitablePointable) vp0;
                    AListVisitablePointable listPointable = (AListVisitablePointable) vp1;
                    // Initialize our hashmap
                    int tableSize = recordPointable.getFieldNames().size() + listPointable.getItems().size();
                    // Thus avoiding unnecessary object construction
                    if (hashMap == null || tableSize > TABLE_SIZE) {
                        hashMap = new BinaryHashMap(tableSize, TABLE_FRAME_SIZE, putHashFunc, getHashFunc, cmp);
                    } else {
                        hashMap.clear();
                    }
                    addFields(recordPointable, listPointable);
                    recordBuilder.write(out, true);
                    result.set(resultStorage);
                }

                private void addFields(ARecordVisitablePointable inputRecordPointer, AListVisitablePointable listPointable) throws HyracksDataException {
                    List<IVisitablePointable> inputRecordFieldNames = inputRecordPointer.getFieldNames();
                    List<IVisitablePointable> inputRecordFieldValues = inputRecordPointer.getFieldValues();
                    List<IVisitablePointable> inputFields = listPointable.getItems();
                    IVisitablePointable namePointable = null;
                    IVisitablePointable valuePointable = null;
                    int numInputRecordFields = inputRecordFieldNames.size();
                    try {
                        // Add original record without duplicate checking
                        for (int i = 0; i < numInputRecordFields; ++i) {
                            IVisitablePointable fnp = inputRecordFieldNames.get(i);
                            IVisitablePointable fvp = inputRecordFieldValues.get(i);
                            int pos = requiredRecordTypeInfo.getFieldIndex(fnp.getByteArray(), fnp.getStartOffset() + 1, fnp.getLength() - 1);
                            if (pos >= 0) {
                                recordBuilder.addField(pos, fvp);
                            } else {
                                recordBuilder.addField(fnp, fvp);
                            }
                            keyEntry.set(fnp.getByteArray(), fnp.getStartOffset(), fnp.getLength());
                            valEntry.set(fvp.getByteArray(), fvp.getStartOffset(), fvp.getLength());
                            hashMap.put(keyEntry, valEntry);
                        }
                        // Get the fields from a list of records
                        for (int i = 0; i < inputFields.size(); i++) {
                            if (!PointableHelper.sameType(ATypeTag.OBJECT, inputFields.get(i))) {
                                throw new AsterixException("Expected list of record, got " + PointableHelper.getTypeTag(inputFields.get(i)));
                            }
                            List<IVisitablePointable> names = ((ARecordVisitablePointable) inputFields.get(i)).getFieldNames();
                            List<IVisitablePointable> values = ((ARecordVisitablePointable) inputFields.get(i)).getFieldValues();
                            // Get name and value of the field to be added
                            // Use loop to account for the cases where users switches the order of the fields
                            IVisitablePointable fieldName;
                            for (int j = 0; j < names.size(); j++) {
                                fieldName = names.get(j);
                                // if fieldName is "field-name" then read the name
                                if (PointableHelper.byteArrayEqual(fieldNamePointable, fieldName)) {
                                    namePointable = values.get(j);
                                } else {
                                    // otherwise the fieldName is "field-value". Thus, read the value
                                    valuePointable = values.get(j);
                                }
                            }
                            if (namePointable == null || valuePointable == null) {
                                throw new InvalidDataFormatException(getIdentifier(), "fields to be added");
                            }
                            // Check that the field being added is a valid field
                            int pos = requiredRecordTypeInfo.getFieldIndex(namePointable.getByteArray(), namePointable.getStartOffset() + 1, namePointable.getLength() - 1);
                            keyEntry.set(namePointable.getByteArray(), namePointable.getStartOffset(), namePointable.getLength());
                            // Check if already in our built record
                            BinaryEntry entry = hashMap.get(keyEntry);
                            if (entry != null) {
                                tempValReference.set(entry.getBuf(), entry.getOffset(), entry.getLength());
                                // If value is not equal throw conflicting duplicate field, otherwise ignore
                                if (!PointableHelper.byteArrayEqual(valuePointable, tempValReference)) {
                                    throw new RuntimeDataException(ErrorCode.DUPLICATE_FIELD_NAME, getIdentifier());
                                }
                            } else {
                                if (pos > -1) {
                                    recordBuilder.addField(pos, valuePointable);
                                } else {
                                    recordBuilder.addField(namePointable, valuePointable);
                                }
                                valEntry.set(valuePointable.getByteArray(), valuePointable.getStartOffset(), valuePointable.getLength());
                                hashMap.put(keyEntry, valEntry);
                            }
                        }
                    } catch (AsterixException e) {
                        throw new HyracksDataException(e);
                    }
                }
            };
        }
    };
}
Also used : BinaryEntry(org.apache.hyracks.data.std.util.BinaryEntry) DataOutput(java.io.DataOutput) TypeMismatchException(org.apache.asterix.runtime.exceptions.TypeMismatchException) IBinaryComparator(org.apache.hyracks.api.dataflow.value.IBinaryComparator) IPointable(org.apache.hyracks.data.std.api.IPointable) IScalarEvaluator(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator) InvalidDataFormatException(org.apache.asterix.runtime.exceptions.InvalidDataFormatException) ARecordVisitablePointable(org.apache.asterix.om.pointables.ARecordVisitablePointable) AListVisitablePointable(org.apache.asterix.om.pointables.AListVisitablePointable) AsterixException(org.apache.asterix.common.exceptions.AsterixException) VoidPointable(org.apache.hyracks.data.std.primitive.VoidPointable) PointableAllocator(org.apache.asterix.om.pointables.PointableAllocator) RuntimeDataException(org.apache.asterix.common.exceptions.RuntimeDataException) IBinaryHashFunction(org.apache.hyracks.api.dataflow.value.IBinaryHashFunction) RecordBuilder(org.apache.asterix.builders.RecordBuilder) HyracksDataException(org.apache.hyracks.api.exceptions.HyracksDataException) IScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory) PointableHelper(org.apache.asterix.runtime.evaluators.functions.PointableHelper) IVisitablePointable(org.apache.asterix.om.pointables.base.IVisitablePointable) ArrayBackedValueStorage(org.apache.hyracks.data.std.util.ArrayBackedValueStorage) IHyracksTaskContext(org.apache.hyracks.api.context.IHyracksTaskContext) IFrameTupleReference(org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference) RuntimeRecordTypeInfo(org.apache.asterix.om.types.runtime.RuntimeRecordTypeInfo) BinaryHashMap(org.apache.asterix.runtime.evaluators.functions.BinaryHashMap)

Example 9 with IHyracksTaskContext

use of org.apache.hyracks.api.context.IHyracksTaskContext in project asterixdb by apache.

the class StringLengthDescriptor method createEvaluatorFactory.

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

        private static final long serialVersionUID = 1L;

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

                private AMutableInt64 result = new AMutableInt64(0);

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                private IPointable inputArg = new VoidPointable();

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

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<AInt64> int64Serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable resultPointable) throws HyracksDataException {
                    try {
                        resultStorage.reset();
                        eval.evaluate(tuple, inputArg);
                        byte[] serString = inputArg.getByteArray();
                        int offset = inputArg.getStartOffset();
                        if (serString[offset] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            int len = UTF8StringUtil.getUTFLength(serString, offset + 1);
                            result.setValue(len);
                            int64Serde.serialize(result, out);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, serString[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        resultPointable.set(resultStorage);
                    } catch (IOException e1) {
                        throw new HyracksDataException(e1);
                    }
                }
            };
        }
    };
}
Also used : DataOutput(java.io.DataOutput) TypeMismatchException(org.apache.asterix.runtime.exceptions.TypeMismatchException) IPointable(org.apache.hyracks.data.std.api.IPointable) IOException(java.io.IOException) IScalarEvaluator(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator) ISerializerDeserializer(org.apache.hyracks.api.dataflow.value.ISerializerDeserializer) HyracksDataException(org.apache.hyracks.api.exceptions.HyracksDataException) IScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory) ArrayBackedValueStorage(org.apache.hyracks.data.std.util.ArrayBackedValueStorage) IHyracksTaskContext(org.apache.hyracks.api.context.IHyracksTaskContext) VoidPointable(org.apache.hyracks.data.std.primitive.VoidPointable) IFrameTupleReference(org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference) AMutableInt64(org.apache.asterix.om.base.AMutableInt64)

Example 10 with IHyracksTaskContext

use of org.apache.hyracks.api.context.IHyracksTaskContext in project asterixdb by apache.

the class StringRTrim2Descriptor 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 AbstractBinaryStringStringEval(ctx, args[0], args[1], StringRTrim2Descriptor.this.getIdentifier()) {

                private StringTrimmer stringTrimmer = new StringTrimmer(resultBuilder, resultArray);

                @Override
                protected void compute(UTF8StringPointable srcPtr, UTF8StringPointable patternPtr, UTF8StringPointable resultStrPtr) throws IOException {
                    stringTrimmer.build(patternPtr);
                    stringTrimmer.trim(srcPtr, resultStrPtr, false, true);
                }
            };
        }
    };
}
Also used : UTF8StringPointable(org.apache.hyracks.data.std.primitive.UTF8StringPointable) IHyracksTaskContext(org.apache.hyracks.api.context.IHyracksTaskContext) StringTrimmer(org.apache.asterix.runtime.evaluators.functions.utils.StringTrimmer) IScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory)

Aggregations

IHyracksTaskContext (org.apache.hyracks.api.context.IHyracksTaskContext)191 IScalarEvaluatorFactory (org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory)146 IPointable (org.apache.hyracks.data.std.api.IPointable)141 IFrameTupleReference (org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference)139 IScalarEvaluator (org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator)134 ArrayBackedValueStorage (org.apache.hyracks.data.std.util.ArrayBackedValueStorage)131 DataOutput (java.io.DataOutput)126 VoidPointable (org.apache.hyracks.data.std.primitive.VoidPointable)126 ISerializerDeserializer (org.apache.hyracks.api.dataflow.value.ISerializerDeserializer)116 TypeMismatchException (org.apache.asterix.runtime.exceptions.TypeMismatchException)110 IOException (java.io.IOException)79 HyracksDataException (org.apache.hyracks.api.exceptions.HyracksDataException)61 InvalidDataFormatException (org.apache.asterix.runtime.exceptions.InvalidDataFormatException)48 UTF8StringPointable (org.apache.hyracks.data.std.primitive.UTF8StringPointable)40 Test (org.junit.Test)28 AMutableInt64 (org.apache.asterix.om.base.AMutableInt64)26 ATypeTag (org.apache.asterix.om.types.ATypeTag)20 VSizeFrame (org.apache.hyracks.api.comm.VSizeFrame)17 ArrayList (java.util.ArrayList)15 GregorianCalendarSystem (org.apache.asterix.om.base.temporal.GregorianCalendarSystem)13