Examples with RecordBuilder org.apache.asterix.builders.RecordBuilder used on opensource projects

Example 6 with RecordBuilder

use of org.apache.asterix.builders.RecordBuilder 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);
                    }
                }
            };
        }
    };
}

Example 7 with RecordBuilder

use of org.apache.asterix.builders.RecordBuilder in project asterixdb by apache.

the class ARecordSerializerDeserializer method serialize.

// This serialize method will NOT work if <code>recordType</code> is not equal to the type of the instance.
@SuppressWarnings("unchecked")
public void serialize(ARecord instance, DataOutput out, boolean writeTypeTag) throws HyracksDataException {
    IARecordBuilder recordBuilder = new RecordBuilder();
    ArrayBackedValueStorage fieldValue = new ArrayBackedValueStorage();
    recordBuilder.reset(recordType);
    recordBuilder.init();
    if (recordType != null) {
        int fieldIndex = 0;
        for (; fieldIndex < recordType.getFieldNames().length; ++fieldIndex) {
            fieldValue.reset();
            serializers[fieldIndex].serialize(instance.getValueByPos(fieldIndex), fieldValue.getDataOutput());
            recordBuilder.addField(fieldIndex, fieldValue);
        }
        recordBuilder.write(out, writeTypeTag);
    } else {
        serializeSchemalessRecord(instance, out, writeTypeTag);
    }
}

Example 8 with RecordBuilder

use of org.apache.asterix.builders.RecordBuilder in project asterixdb by apache.

the class LangRecordParseUtil method parseRecord.

public static void parseRecord(RecordConstructor recordValue, ArrayBackedValueStorage serialized, boolean tagged, List<Pair<String, String>> defaults) throws HyracksDataException {
    AMutableString fieldNameString = new AMutableString(null);
    ArrayBackedValueStorage fieldName = new ArrayBackedValueStorage();
    ArrayBackedValueStorage fieldValue = new ArrayBackedValueStorage();
    RecordBuilder recordBuilder = new RecordBuilder();
    recordBuilder.reset(RecordUtil.FULLY_OPEN_RECORD_TYPE);
    recordBuilder.init();
    List<FieldBinding> fbList = recordValue.getFbList();
    HashSet<String> fieldNames = new HashSet<>();
    for (FieldBinding fb : fbList) {
        fieldName.reset();
        fieldValue.reset();
        // get key
        fieldNameString.setValue(exprToStringLiteral(fb.getLeftExpr()).getStringValue());
        if (!fieldNames.add(fieldNameString.getStringValue())) {
            throw new HyracksDataException("Field " + fieldNameString.getStringValue() + " was specified multiple times");
        }
        stringSerde.serialize(fieldNameString, fieldName.getDataOutput());
        // get value
        parseExpression(fb.getRightExpr(), fieldValue);
        recordBuilder.addField(fieldName, fieldValue);
    }
    // defaults
    for (Pair<String, String> kv : defaults) {
        if (!fieldNames.contains(kv.first)) {
            fieldName.reset();
            fieldValue.reset();
            stringSerde.serialize(new AString(kv.first), fieldName.getDataOutput());
            stringSerde.serialize(new AString(kv.second), fieldValue.getDataOutput());
            recordBuilder.addField(fieldName, fieldValue);
        }
    }
    recordBuilder.write(serialized.getDataOutput(), tagged);
}

Example 9 with RecordBuilder

use of org.apache.asterix.builders.RecordBuilder in project asterixdb by apache.

the class ARecordSerializerDeserializer method serializeSimpleSchemalessRecord.

@SuppressWarnings("unchecked")
public static void serializeSimpleSchemalessRecord(List<Pair<String, String>> record, DataOutput dataOutput, boolean writeTypeTag) throws HyracksDataException {
    ISerializerDeserializer<AString> stringSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ASTRING);
    RecordBuilder confRecordBuilder = new RecordBuilder();
    confRecordBuilder.reset(RecordUtil.FULLY_OPEN_RECORD_TYPE);
    ArrayBackedValueStorage fieldNameBytes = new ArrayBackedValueStorage();
    ArrayBackedValueStorage fieldValueBytes = new ArrayBackedValueStorage();
    for (int i = 0; i < record.size(); i++) {
        fieldValueBytes.reset();
        fieldNameBytes.reset();
        stringSerde.serialize(new AString(record.get(i).first), fieldNameBytes.getDataOutput());
        stringSerde.serialize(new AString(record.get(i).second), fieldValueBytes.getDataOutput());
        confRecordBuilder.addField(fieldNameBytes, fieldValueBytes);
    }
    confRecordBuilder.write(dataOutput, writeTypeTag);
}

Example 10 with RecordBuilder

use of org.apache.asterix.builders.RecordBuilder in project asterixdb by apache.

the class ARecordSerializerDeserializer method serializeSchemalessRecord.

@SuppressWarnings({ "unchecked", "rawtypes" })
public static void serializeSchemalessRecord(ARecord record, DataOutput dataOutput, boolean writeTypeTag) throws HyracksDataException {
    ISerializerDeserializer<AString> stringSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ASTRING);
    RecordBuilder confRecordBuilder = new RecordBuilder();
    confRecordBuilder.reset(RecordUtil.FULLY_OPEN_RECORD_TYPE);
    ArrayBackedValueStorage fieldNameBytes = new ArrayBackedValueStorage();
    ArrayBackedValueStorage fieldValueBytes = new ArrayBackedValueStorage();
    for (int i = 0; i < record.getType().getFieldNames().length; i++) {
        String fieldName = record.getType().getFieldNames()[i];
        fieldValueBytes.reset();
        fieldNameBytes.reset();
        stringSerde.serialize(new AString(fieldName), fieldNameBytes.getDataOutput());
        ISerializerDeserializer valueSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(record.getType().getFieldTypes()[i]);
        valueSerde.serialize(record.getValueByPos(i), fieldValueBytes.getDataOutput());
        confRecordBuilder.addField(fieldNameBytes, fieldValueBytes);
    }
    confRecordBuilder.write(dataOutput, writeTypeTag);
}