/**
* allocate open part value pointable
*
* @param typeTag
* @return the pointable object
*/
public IVisitablePointable allocateFieldValue(ATypeTag typeTag, byte[] b, int offset)
throws AsterixException {
if (typeTag == null) return flatValueAllocator.allocate(null);
else if (typeTag.equals(ATypeTag.RECORD))
return recordValueAllocator.allocate(DefaultOpenFieldType.NESTED_OPEN_RECORD_TYPE);
else if (typeTag.equals(ATypeTag.UNORDEREDLIST)) {
ATypeTag listItemType = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b[offset]);
if (listItemType == ATypeTag.ANY)
return listValueAllocator.allocate(DefaultOpenFieldType.NESTED_OPEN_AUNORDERED_LIST_TYPE);
else {
if (listItemType.isDerivedType()) return allocateFieldValue(listItemType, b, offset + 1);
else
return listValueAllocator.allocate(
unorederedListTypeAllocator.allocate(TypeTagUtil.getBuiltinTypeByTag(listItemType)));
}
} else if (typeTag.equals(ATypeTag.ORDEREDLIST)) {
ATypeTag listItemType = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b[offset]);
if (listItemType == ATypeTag.ANY)
return listValueAllocator.allocate(DefaultOpenFieldType.NESTED_OPEN_AORDERED_LIST_TYPE);
else {
if (listItemType.isDerivedType()) return allocateFieldValue(listItemType, b, offset + 1);
else
return listValueAllocator.allocate(
orederedListTypeAllocator.allocate(TypeTagUtil.getBuiltinTypeByTag(listItemType)));
}
} else return flatValueAllocator.allocate(null);
}
@Override
public boolean getBooleanValue(byte[] bytes, int offset, int length) {
if (bytes[offset] == SER_NULL_TYPE_TAG) return false;
/** check if the runtime type is boolean */
ATypeTag typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes[offset]);
if (typeTag != ATypeTag.BOOLEAN) {
throw new IllegalStateException(
"Runtime error: the select condition should be of the boolean type!");
}
return bytes[offset + 1] == 1;
}
@Override
public void set(byte[] b, int s, int len) {
reset();
super.set(b, s, len);
int numberOfitems = AInt32SerializerDeserializer.getInt(b, s + 6);
int itemOffset;
if (typedItemList) {
switch (itemTag) {
case STRING:
case BINARY:
case RECORD:
case ORDEREDLIST:
case UNORDEREDLIST:
case ANY:
itemOffset = s + 10 + (numberOfitems * 4);
break;
default:
itemOffset = s + 10;
}
} else {
itemOffset = s + 10 + (numberOfitems * 4);
}
int itemLength = 0;
try {
if (typedItemList) {
for (int i = 0; i < numberOfitems; i++) {
itemLength = NonTaggedFormatUtil.getFieldValueLength(b, itemOffset, itemTag, false);
IVisitablePointable tag = allocator.allocateEmpty();
IVisitablePointable item = allocator.allocateFieldValue(itemType);
// set item type tag
int start = dataBos.size();
dataDos.writeByte(itemTag.serialize());
int end = dataBos.size();
tag.set(dataBos.getByteArray(), start, end - start);
itemTags.add(tag);
// set item value
start = dataBos.size();
dataDos.writeByte(itemTag.serialize());
dataDos.write(b, itemOffset, itemLength);
end = dataBos.size();
item.set(dataBos.getByteArray(), start, end - start);
itemOffset += itemLength;
items.add(item);
}
} else {
for (int i = 0; i < numberOfitems; i++) {
itemTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b[itemOffset]);
itemLength = NonTaggedFormatUtil.getFieldValueLength(b, itemOffset, itemTag, true) + 1;
IVisitablePointable tag = allocator.allocateEmpty();
IVisitablePointable item = allocator.allocateFieldValue(itemTag, b, itemOffset + 1);
// set item type tag
int start = dataBos.size();
dataDos.writeByte(itemTag.serialize());
int end = dataBos.size();
tag.set(dataBos.getByteArray(), start, end - start);
itemTags.add(tag);
// open part field already include the type tag
item.set(b, itemOffset, itemLength);
itemOffset += itemLength;
items.add(item);
}
}
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
public int getOpenFieldValueSize(ARecordType recordType, int fieldId) throws AsterixException {
int offset = getOpenFieldValueOffset(recordType, fieldId);
ATypeTag tag =
EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(getOpenFieldTag(recordType, fieldId));
return NonTaggedFormatUtil.getFieldValueLength(bytes, offset, tag, true);
}
