@Override
public IJObject access(
AListVisitablePointable pointable,
IObjectPool<IJObject, IAType> objectPool,
IAType listType,
JObjectPointableVisitor pointableVisitor)
throws HyracksDataException {
List<IVisitablePointable> items = pointable.getItems();
List<IVisitablePointable> itemTags = pointable.getItemTags();
JList list = pointable.ordered() ? new JOrderedList(listType) : new JUnorderedList(listType);
IJObject listItem = null;
int index = 0;
try {
for (IVisitablePointable itemPointable : items) {
IVisitablePointable itemTagPointable = itemTags.get(index);
ATypeTag itemTypeTag =
EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(
itemTagPointable.getByteArray()[itemTagPointable.getStartOffset()]);
typeInfo.reset(listType.getType(), listType.getTypeTag());
switch (itemTypeTag) {
case RECORD:
listItem =
pointableVisitor.visit((ARecordVisitablePointable) itemPointable, typeInfo);
break;
case UNORDEREDLIST:
case ORDEREDLIST:
listItem = pointableVisitor.visit((AListVisitablePointable) itemPointable, typeInfo);
break;
case ANY:
throw new IllegalArgumentException(
"Cannot parse list item of type " + listType.getTypeTag());
default:
IAType itemType = ((AbstractCollectionType) listType).getItemType();
typeInfo.reset(itemType, itemType.getTypeTag());
listItem = pointableVisitor.visit((AFlatValuePointable) itemPointable, typeInfo);
}
ATypeTag typeTag =
EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(
itemPointable.getByteArray()[itemPointable.getStartOffset()]);
list.add(listItem);
}
} catch (AsterixException exception) {
throw new HyracksDataException(exception);
}
return list;
}
@Override
public JRecord access(
ARecordVisitablePointable pointable,
IObjectPool<IJObject, IAType> objectPool,
ARecordType recordType,
JObjectPointableVisitor pointableVisitor)
throws HyracksDataException {
try {
jRecord.reset();
} catch (AlgebricksException e) {
throw new HyracksDataException(e);
}
ARecordVisitablePointable recordPointable = (ARecordVisitablePointable) pointable;
List<IVisitablePointable> fieldPointables = recordPointable.getFieldValues();
List<IVisitablePointable> fieldTypeTags = recordPointable.getFieldTypeTags();
List<IVisitablePointable> fieldNames = recordPointable.getFieldNames();
int index = 0;
boolean closedPart = true;
try {
IJObject fieldObject = null;
for (IVisitablePointable fieldPointable : fieldPointables) {
closedPart = index < recordType.getFieldTypes().length;
IVisitablePointable tt = fieldTypeTags.get(index);
IAType fieldType = closedPart ? recordType.getFieldTypes()[index] : null;
ATypeTag typeTag =
EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(
tt.getByteArray()[tt.getStartOffset()]);
IVisitablePointable fieldName = fieldNames.get(index);
typeInfo.reset(fieldType, typeTag);
switch (typeTag) {
case RECORD:
fieldObject =
pointableVisitor.visit((ARecordVisitablePointable) fieldPointable, typeInfo);
break;
case ORDEREDLIST:
case UNORDEREDLIST:
if (fieldPointable instanceof AFlatValuePointable) {
// value is null
fieldObject = null;
} else {
fieldObject =
pointableVisitor.visit((AListVisitablePointable) fieldPointable, typeInfo);
}
break;
case ANY:
break;
default:
fieldObject = pointableVisitor.visit((AFlatValuePointable) fieldPointable, typeInfo);
}
if (closedPart) {
jObjects[index] = fieldObject;
} else {
byte[] b = fieldName.getByteArray();
int s = fieldName.getStartOffset();
int l = fieldName.getLength();
String v =
AStringSerializerDeserializer.INSTANCE
.deserialize(new DataInputStream(new ByteArrayInputStream(b, s + 1, l - 1)))
.getStringValue();
openFields.put(v, fieldObject);
}
index++;
fieldObject = null;
}
} catch (Exception e) {
e.printStackTrace();
throw new HyracksDataException(e);
}
return jRecord;
}