use of org.apache.asterix.common.exceptions.AsterixException in project asterixdb by apache.
the class StringJoinDescriptor 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 final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
private final ListAccessor listAccessor = new ListAccessor();
private final DataOutput out = resultStorage.getDataOutput();
private final IScalarEvaluatorFactory listEvalFactory = args[0];
private final IScalarEvaluatorFactory sepEvalFactory = args[1];
private final IPointable inputArgList = new VoidPointable();
private final IPointable inputArgSep = new VoidPointable();
private final IScalarEvaluator evalList = listEvalFactory.createScalarEvaluator(ctx);
private final IScalarEvaluator evalSep = sepEvalFactory.createScalarEvaluator(ctx);
@SuppressWarnings("unchecked")
private ISerializerDeserializer<ANull> nullSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ANULL);
private ISerializerDeserializer<AMissing> missingSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AMISSING);
private final byte[] tempLengthArray = new byte[5];
@Override
public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
resultStorage.reset();
evalList.evaluate(tuple, inputArgList);
evalSep.evaluate(tuple, inputArgSep);
byte[] listBytes = inputArgList.getByteArray();
int listOffset = inputArgList.getStartOffset();
if (listBytes[listOffset] != ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG && listBytes[listOffset] != ATypeTag.SERIALIZED_UNORDEREDLIST_TYPE_TAG) {
throw new TypeMismatchException(getIdentifier(), 0, listBytes[listOffset], ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG, ATypeTag.SERIALIZED_UNORDEREDLIST_TYPE_TAG);
}
byte[] sepBytes = inputArgSep.getByteArray();
int sepOffset = inputArgSep.getStartOffset();
if (sepBytes[sepOffset] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
throw new TypeMismatchException(getIdentifier(), 1, sepBytes[sepOffset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
}
int sepLen = UTF8StringUtil.getUTFLength(sepBytes, sepOffset + 1);
int sepMetaLen = UTF8StringUtil.getNumBytesToStoreLength(sepLen);
listAccessor.reset(listBytes, listOffset);
try {
// calculate length first
int utf8Len = 0;
int size = listAccessor.size();
for (int i = 0; i < size; i++) {
int itemOffset = listAccessor.getItemOffset(i);
ATypeTag itemType = listAccessor.getItemType(itemOffset);
// since the item itself has a typetag.
if (listAccessor.itemsAreSelfDescribing()) {
itemOffset += 1;
}
if (itemType != ATypeTag.STRING) {
if (itemType == ATypeTag.NULL) {
nullSerde.serialize(ANull.NULL, out);
result.set(resultStorage);
return;
}
if (itemType == ATypeTag.MISSING) {
missingSerde.serialize(AMissing.MISSING, out);
result.set(resultStorage);
return;
}
throw new UnsupportedItemTypeException(getIdentifier(), itemType.serialize());
}
int currentSize = UTF8StringUtil.getUTFLength(listBytes, itemOffset);
if (i != size - 1 && currentSize != 0) {
utf8Len += sepLen;
}
utf8Len += currentSize;
}
out.writeByte(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
int cbytes = UTF8StringUtil.encodeUTF8Length(utf8Len, tempLengthArray, 0);
out.write(tempLengthArray, 0, cbytes);
for (int i = 0; i < listAccessor.size(); i++) {
int itemOffset = listAccessor.getItemOffset(i);
if (listAccessor.itemsAreSelfDescribing()) {
itemOffset += 1;
}
utf8Len = UTF8StringUtil.getUTFLength(listBytes, itemOffset);
out.write(listBytes, UTF8StringUtil.getNumBytesToStoreLength(utf8Len) + itemOffset, utf8Len);
for (int j = 0; j < sepLen; j++) {
out.writeByte(sepBytes[sepOffset + 1 + sepMetaLen + j]);
}
}
} catch (IOException | AsterixException ex) {
throw new HyracksDataException(ex);
}
result.set(resultStorage);
}
};
}
};
}
use of org.apache.asterix.common.exceptions.AsterixException in project asterixdb by apache.
the class PointableHelper method serializeString.
/**
* @param str
* The input string
* @param vs
* The storage buffer
* @param writeTag
* Specifying whether a tag for the string should also be written
*/
public void serializeString(String str, IMutableValueStorage vs, boolean writeTag) throws AsterixException {
vs.reset();
try {
DataOutput output = vs.getDataOutput();
if (writeTag) {
output.write(ATypeTag.STRING.serialize());
}
utf8Writer.writeUTF8(str, output);
} catch (IOException e) {
throw new AsterixException("Could not serialize " + str);
}
}
use of org.apache.asterix.common.exceptions.AsterixException in project asterixdb by apache.
the class RecordMergeDescriptor 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 pa = new PointableAllocator();
final IVisitablePointable vp0 = pa.allocateRecordValue(inRecType0);
final IVisitablePointable vp1 = pa.allocateRecordValue(inRecType1);
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 List<RecordBuilder> rbStack = new ArrayList<>();
final ArrayBackedValueStorage tabvs = new ArrayBackedValueStorage();
return new IScalarEvaluator() {
private final RuntimeRecordTypeInfo runtimeRecordTypeInfo = new RuntimeRecordTypeInfo();
private final DeepEqualAssessor deepEqualAssesor = new DeepEqualAssessor();
private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
private DataOutput out = resultStorage.getDataOutput();
@Override
public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
resultStorage.reset();
eval0.evaluate(tuple, argPtr0);
eval1.evaluate(tuple, argPtr1);
vp0.set(argPtr0);
vp1.set(argPtr1);
ARecordVisitablePointable rp0 = (ARecordVisitablePointable) vp0;
ARecordVisitablePointable rp1 = (ARecordVisitablePointable) vp1;
try {
mergeFields(outRecType, rp0, rp1, true, 0);
rbStack.get(0).write(out, true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
result.set(resultStorage);
}
private void mergeFields(ARecordType combinedType, ARecordVisitablePointable leftRecord, ARecordVisitablePointable rightRecord, boolean openFromParent, int nestedLevel) throws IOException, AsterixException, HyracksDataException {
if (rbStack.size() < (nestedLevel + 1)) {
rbStack.add(new RecordBuilder());
}
rbStack.get(nestedLevel).reset(combinedType);
rbStack.get(nestedLevel).init();
//Add all fields from left record
for (int i = 0; i < leftRecord.getFieldNames().size(); i++) {
IVisitablePointable leftName = leftRecord.getFieldNames().get(i);
IVisitablePointable leftValue = leftRecord.getFieldValues().get(i);
IVisitablePointable leftType = leftRecord.getFieldTypeTags().get(i);
boolean foundMatch = false;
for (int j = 0; j < rightRecord.getFieldNames().size(); j++) {
IVisitablePointable rightName = rightRecord.getFieldNames().get(j);
IVisitablePointable rightValue = rightRecord.getFieldValues().get(j);
IVisitablePointable rightType = rightRecord.getFieldTypeTags().get(j);
// Check if same fieldname
if (PointableHelper.isEqual(leftName, rightName) && !deepEqualAssesor.isEqual(leftValue, rightValue)) {
//Field was found on the right and are subrecords, merge them
if (PointableHelper.sameType(ATypeTag.OBJECT, rightType) && PointableHelper.sameType(ATypeTag.OBJECT, leftType)) {
//We are merging two sub records
addFieldToSubRecord(combinedType, leftName, leftValue, rightValue, openFromParent, nestedLevel);
foundMatch = true;
} else {
throw new RuntimeDataException(ErrorCode.DUPLICATE_FIELD_NAME, getIdentifier());
}
}
}
if (!foundMatch) {
addFieldToSubRecord(combinedType, leftName, leftValue, null, openFromParent, nestedLevel);
}
}
//Repeat for right side (ignoring duplicates this time)
for (int j = 0; j < rightRecord.getFieldNames().size(); j++) {
IVisitablePointable rightName = rightRecord.getFieldNames().get(j);
IVisitablePointable rightValue = rightRecord.getFieldValues().get(j);
boolean foundMatch = false;
for (int i = 0; i < leftRecord.getFieldNames().size(); i++) {
IVisitablePointable leftName = leftRecord.getFieldNames().get(i);
if (rightName.equals(leftName)) {
foundMatch = true;
}
}
if (!foundMatch) {
addFieldToSubRecord(combinedType, rightName, rightValue, null, openFromParent, nestedLevel);
}
}
}
/*
* Takes in a record type, field name, and the field values (which are record) from two records
* Merges them into one record of combinedType
* And adds that record as a field to the Record in subrb
* the second value can be null, indicated that you just add the value of left as a field to subrb
*
*/
private void addFieldToSubRecord(ARecordType combinedType, IVisitablePointable fieldNamePointable, IVisitablePointable leftValue, IVisitablePointable rightValue, boolean openFromParent, int nestedLevel) throws IOException, AsterixException, HyracksDataException {
runtimeRecordTypeInfo.reset(combinedType);
int pos = runtimeRecordTypeInfo.getFieldIndex(fieldNamePointable.getByteArray(), fieldNamePointable.getStartOffset() + 1, fieldNamePointable.getLength() - 1);
//Add the merged field
if (combinedType != null && pos >= 0) {
if (rightValue == null) {
rbStack.get(nestedLevel).addField(pos, leftValue);
} else {
mergeFields((ARecordType) combinedType.getFieldTypes()[pos], (ARecordVisitablePointable) leftValue, (ARecordVisitablePointable) rightValue, false, nestedLevel + 1);
tabvs.reset();
rbStack.get(nestedLevel + 1).write(tabvs.getDataOutput(), true);
rbStack.get(nestedLevel).addField(pos, tabvs);
}
} else {
if (rightValue == null) {
rbStack.get(nestedLevel).addField(fieldNamePointable, leftValue);
} else {
mergeFields(DefaultOpenFieldType.NESTED_OPEN_RECORD_TYPE, (ARecordVisitablePointable) leftValue, (ARecordVisitablePointable) rightValue, false, nestedLevel + 1);
tabvs.reset();
rbStack.get(nestedLevel + 1).write(tabvs.getDataOutput(), true);
rbStack.get(nestedLevel).addField(fieldNamePointable, tabvs);
}
}
}
};
}
};
}
use of org.apache.asterix.common.exceptions.AsterixException in project asterixdb by apache.
the class RecordRemoveFieldsEvalFactory method createScalarEvaluator.
@Override
public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
final PointableAllocator pa = new PointableAllocator();
final IVisitablePointable vp0 = pa.allocateRecordValue(inputRecType);
final IVisitablePointable vp1 = pa.allocateListValue(inputListType);
final IPointable inputArg0 = new VoidPointable();
final IPointable inputArg1 = new VoidPointable();
final IScalarEvaluator eval0 = inputRecordEvalFactory.createScalarEvaluator(ctx);
final IScalarEvaluator eval1 = removeFieldPathsFactory.createScalarEvaluator(ctx);
return new IScalarEvaluator() {
private final RuntimeRecordTypeInfo runtimeRecordTypeInfo = new RuntimeRecordTypeInfo();
private final List<RecordBuilder> rbStack = new ArrayList<>();
private final ArrayBackedValueStorage tabvs = new ArrayBackedValueStorage();
private final Deque<IVisitablePointable> recordPath = new ArrayDeque<>();
private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
private DataOutput out = resultStorage.getDataOutput();
@Override
public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
resultStorage.reset();
eval0.evaluate(tuple, inputArg0);
eval1.evaluate(tuple, inputArg1);
byte inputTypeTag0 = inputArg0.getByteArray()[inputArg0.getStartOffset()];
if (inputTypeTag0 != ATypeTag.SERIALIZED_RECORD_TYPE_TAG) {
throw new TypeMismatchException(BuiltinFunctions.REMOVE_FIELDS, 0, inputTypeTag0, ATypeTag.SERIALIZED_INT32_TYPE_TAG);
}
byte inputTypeTag1 = inputArg1.getByteArray()[inputArg1.getStartOffset()];
if (inputTypeTag1 != ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG) {
throw new TypeMismatchException(BuiltinFunctions.REMOVE_FIELDS, 1, inputTypeTag1, ATypeTag.SERIALIZED_ORDEREDLIST_TYPE_TAG);
}
vp0.set(inputArg0);
vp1.set(inputArg1);
ARecordVisitablePointable recordPointable = (ARecordVisitablePointable) vp0;
AListVisitablePointable listPointable = (AListVisitablePointable) vp1;
try {
recordPath.clear();
rbStack.clear();
processRecord(requiredRecType, recordPointable, listPointable, 0);
rbStack.get(0).write(out, true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
result.set(resultStorage);
}
private void processRecord(ARecordType requiredType, ARecordVisitablePointable srp, AListVisitablePointable inputList, int nestedLevel) throws IOException, AsterixException, HyracksDataException {
if (rbStack.size() < (nestedLevel + 1)) {
rbStack.add(new RecordBuilder());
}
rbStack.get(nestedLevel).reset(requiredType);
rbStack.get(nestedLevel).init();
List<IVisitablePointable> fieldNames = srp.getFieldNames();
List<IVisitablePointable> fieldValues = srp.getFieldValues();
List<IVisitablePointable> fieldTypes = srp.getFieldTypeTags();
for (int i = 0; i < fieldNames.size(); i++) {
IVisitablePointable subRecFieldName = fieldNames.get(i);
recordPath.push(subRecFieldName);
if (isValidPath(inputList)) {
if (requiredType != null && requiredType.getTypeTag() != ATypeTag.ANY) {
addKeptFieldToSubRecord(requiredType, subRecFieldName, fieldValues.get(i), fieldTypes.get(i), inputList, nestedLevel);
} else {
addKeptFieldToSubRecord(DefaultOpenFieldType.NESTED_OPEN_RECORD_TYPE, subRecFieldName, fieldValues.get(i), fieldTypes.get(i), inputList, nestedLevel);
}
}
recordPath.pop();
}
}
private void addKeptFieldToSubRecord(ARecordType requiredType, IVisitablePointable fieldNamePointable, IVisitablePointable fieldValuePointable, IVisitablePointable fieldTypePointable, AListVisitablePointable inputList, int nestedLevel) throws IOException, AsterixException, HyracksDataException {
runtimeRecordTypeInfo.reset(requiredType);
int pos = runtimeRecordTypeInfo.getFieldIndex(fieldNamePointable.getByteArray(), fieldNamePointable.getStartOffset() + 1, fieldNamePointable.getLength() - 1);
if (pos >= 0) {
// Closed field
if (PointableHelper.sameType(ATypeTag.OBJECT, fieldTypePointable)) {
processRecord((ARecordType) requiredType.getFieldTypes()[pos], (ARecordVisitablePointable) fieldValuePointable, inputList, nestedLevel + 1);
tabvs.reset();
rbStack.get(nestedLevel + 1).write(tabvs.getDataOutput(), true);
rbStack.get(nestedLevel).addField(pos, tabvs);
} else {
rbStack.get(nestedLevel).addField(pos, fieldValuePointable);
}
} else {
// Open field
if (PointableHelper.sameType(ATypeTag.OBJECT, fieldTypePointable)) {
processRecord(null, (ARecordVisitablePointable) fieldValuePointable, inputList, nestedLevel + 1);
tabvs.reset();
rbStack.get(nestedLevel + 1).write(tabvs.getDataOutput(), true);
rbStack.get(nestedLevel).addField(fieldNamePointable, tabvs);
} else {
rbStack.get(nestedLevel).addField(fieldNamePointable, fieldValuePointable);
}
}
}
private boolean isValidPath(AListVisitablePointable inputList) throws HyracksDataException {
List<IVisitablePointable> items = inputList.getItems();
List<IVisitablePointable> typeTags = inputList.getItemTags();
int pathLen = recordPath.size();
for (int i = 0; i < items.size(); i++) {
IVisitablePointable item = items.get(i);
if (PointableHelper.sameType(ATypeTag.ARRAY, typeTags.get(i))) {
List<IVisitablePointable> inputPathItems = ((AListVisitablePointable) item).getItems();
if (pathLen == inputPathItems.size()) {
boolean match = true;
Iterator<IVisitablePointable> fpi = recordPath.iterator();
for (int j = inputPathItems.size() - 1; j >= 0; j--) {
match &= PointableHelper.isEqual(inputPathItems.get(j), fpi.next());
if (!match) {
break;
}
}
if (match) {
// Not a valid path for the output record
return false;
}
}
} else {
if (PointableHelper.isEqual(recordPath.getFirst(), item)) {
return false;
}
}
}
return true;
}
};
}
use of org.apache.asterix.common.exceptions.AsterixException in project asterixdb by apache.
the class FieldAccessByNameEvalFactory method createScalarEvaluator.
@Override
public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
return new IScalarEvaluator() {
private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
private DataOutput out = resultStorage.getDataOutput();
private IPointable inputArg0 = new VoidPointable();
private IPointable inputArg1 = new VoidPointable();
private IScalarEvaluator eval0 = recordEvalFactory.createScalarEvaluator(ctx);
private IScalarEvaluator eval1 = fldNameEvalFactory.createScalarEvaluator(ctx);
private int fieldValueOffset;
private int fieldValueLength;
private ATypeTag fieldValueTypeTag;
@Override
public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
try {
resultStorage.reset();
eval0.evaluate(tuple, inputArg0);
eval1.evaluate(tuple, inputArg1);
byte[] serRecord = inputArg0.getByteArray();
int serRecordOffset = inputArg0.getStartOffset();
int serRecordLen = inputArg0.getLength();
if (serRecord[serRecordOffset] != ATypeTag.SERIALIZED_RECORD_TYPE_TAG) {
throw new TypeMismatchException(BuiltinFunctions.FIELD_ACCESS_BY_NAME, 0, serRecord[serRecordOffset], ATypeTag.SERIALIZED_RECORD_TYPE_TAG);
}
byte[] serFldName = inputArg1.getByteArray();
int serFldNameOffset = inputArg1.getStartOffset();
fieldValueOffset = ARecordSerializerDeserializer.getFieldOffsetByName(serRecord, serRecordOffset, serRecordLen, serFldName, serFldNameOffset);
if (fieldValueOffset < 0) {
out.writeByte(ATypeTag.SERIALIZED_MISSING_TYPE_TAG);
result.set(resultStorage);
return;
}
fieldValueTypeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serRecord[fieldValueOffset]);
fieldValueLength = NonTaggedFormatUtil.getFieldValueLength(serRecord, fieldValueOffset, fieldValueTypeTag, true) + 1;
result.set(serRecord, fieldValueOffset, fieldValueLength);
} catch (IOException e) {
throw new HyracksDataException(e);
} catch (AsterixException e) {
throw new HyracksDataException(e);
}
}
};
}
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