StringCursor::StringCursor(
TransactionContext &txn, ObjectManager &objectManager, OId oId)
: BaseObject(txn.getPartitionId(), objectManager, oId),
zeroLengthStr_(ZERO_LENGTH_STR_BINARY_) {
length_ = ValueProcessor::decodeVarSize(getBaseAddr());
moveCursor(ValueProcessor::getEncodedVarSize(length_));
}
BaseContainer::RowCache::RowCache(TransactionContext &txn, BaseContainer *container)
: fieldCacheList_(txn.getDefaultAllocator()) {
ObjectManager &objectManager = *(container->getObjectManager());
new (frontFieldCache_.addr())
FieldCache(txn.getPartitionId(), objectManager);
const uint32_t varCount = container->getVariableColumnNum();
lastCachedField_ = 0;
if (varCount > 0) {
assert(fieldCacheList_.empty());
fieldCacheList_.resize(varCount);
for (uint32_t i = varCount; i > 0; i--) {
void *addr = &fieldCacheList_[i - 1];
new (addr) FieldCache(txn.getPartitionId(), objectManager);
}
}
}
VariableArrayCursor::VariableArrayCursor(TransactionContext &txn,
ObjectManager &objectManager, OId oId, AccessMode accessMode)
: BaseObject(txn.getPartitionId(), objectManager),
curObject_(*this),
elemCursor_(UNDEF_CURSOR_POS),
accessMode_(accessMode) {
BaseObject::load(oId, accessMode_);
rootOId_ = getBaseOId();
elemNum_ = ValueProcessor::decodeVarSize(curObject_.getBaseAddr());
curObject_.moveCursor(
ValueProcessor::getEncodedVarSize(elemNum_));
}
BaseContainer::RowArray::RowArray(TransactionContext &txn, BaseContainer *container)
: rowArrayImplList_(txn.getDefaultAllocator()),
rowArrayStorage_(txn.getPartitionId(), *container->getObjectManager()),
rowCache_(txn, container), defaultImpl_(NULL) {
if (container->getContainerType() == COLLECTION_CONTAINER) {
latestParam_.rowDataOffset_ = getColFixedOffset();
latestParam_.rowIdOffset_ = getColRowIdOffset();
latestParam_.rowHeaderOffset_ = COL_ROW_HEADER_OFFSET;
} else if (container->getContainerType() == TIME_SERIES_CONTAINER) {
latestParam_.rowDataOffset_ = sizeof(RowHeader);
latestParam_.rowIdOffset_ = latestParam_.rowDataOffset_ +
container->getColumnInfo(ColumnInfo::ROW_KEY_COLUMN_ID)
.getColumnOffset();
latestParam_.rowHeaderOffset_ = TIM_ROW_HEADER_OFFSET;
} else {
assert(false);
GS_THROW_USER_ERROR(GS_ERROR_DS_DS_CONTAINER_TYPE_INVALID, "");
}
latestParam_.varColumnNum_ = container->getVariableColumnNum();
latestParam_.varHeaderSize_ = ValueProcessor::getEncodedVarSize(latestParam_.varColumnNum_);
latestParam_.columnNum_ = container->getColumnNum();
latestParam_.nullOffsetDiff_ = 0;
latestParam_.columnOffsetDiff_ = 0;
latestParam_.rowSize_ = container->getRowSize();
latestParam_.rowFixedColumnSize_ = container->getRowFixedColumnSize();
latestParam_.nullbitsSize_ = container->getNullbitsSize();
latestParam_.nullsOffset_ = latestParam_.rowSize_ - (latestParam_.nullbitsSize_ + latestParam_.rowFixedColumnSize_);
typedef BaseContainer::RowArrayImpl<BaseContainer, BaseContainer::ROW_ARRAY_GENERAL> GeneralRowArrayImpl;
typedef BaseContainer::RowArrayImpl<BaseContainer, BaseContainer::ROW_ARRAY_PLAIN> PlainRowArrayImpl;
util::StackAllocator &alloc = txn.getDefaultAllocator();
GeneralRowArrayImpl *generalImpl = ALLOC_NEW(alloc) GeneralRowArrayImpl(
txn, container, rowArrayStorage_, rowCache_, latestParam_);
PlainRowArrayImpl *plainImpl = reinterpret_cast<PlainRowArrayImpl *>(generalImpl);
rowArrayImplList_.push_back(generalImpl);
rowArrayImplList_.push_back(plainImpl);
defaultImpl_ = getImpl<BaseContainer, BaseContainer::ROW_ARRAY_GENERAL>();
}
/*!
@brief Clone
*/
OId VariableArrayCursor::clone(TransactionContext &txn,
const AllocateStrategy &allocateStrategy, OId neighborOId) {
if (UNDEF_OID == getBaseOId()) {
return UNDEF_OID;
}
OId currentNeighborOId = neighborOId;
OId linkOId = UNDEF_OID;
uint32_t srcDataLength = getArrayLength();
if (srcDataLength == 0) {
uint8_t *srcObj = getBaseAddr();
Size_t srcObjSize = getObjectManager()->getSize(srcObj);
BaseObject destObject(txn.getPartitionId(), *getObjectManager());
OId destOId = UNDEF_OID;
if (currentNeighborOId != UNDEF_OID) {
destObject.allocateNeighbor<uint8_t>(srcObjSize, allocateStrategy,
destOId, currentNeighborOId, OBJECT_TYPE_VARIANT);
}
else {
destObject.allocate<uint8_t>(
srcObjSize, allocateStrategy, destOId, OBJECT_TYPE_VARIANT);
}
memcpy(destObject.getBaseAddr(), srcObj, srcObjSize);
linkOId = destOId;
}
else {
OId srcOId = UNDEF_OID;
OId destOId = UNDEF_OID;
OId prevOId = UNDEF_OID;
uint8_t *srcObj = NULL;
BaseObject destObject(txn.getPartitionId(), *getObjectManager());
uint8_t *srcElem;
uint32_t srcElemSize;
uint32_t srcCount;
uint8_t *lastElem = NULL;
uint32_t lastElemSize = 0;
while (nextElement()) {
srcObj = data();
srcOId = getElementOId();
srcElem = getElement(srcElemSize, srcCount);
if (srcOId != prevOId) {
Size_t srcObjSize = getObjectManager()->getSize(srcObj);
if (currentNeighborOId != UNDEF_OID) {
destObject.allocateNeighbor<uint8_t>(srcObjSize,
allocateStrategy, destOId, currentNeighborOId,
OBJECT_TYPE_VARIANT);
}
else {
destObject.allocate<uint8_t>(srcObjSize, allocateStrategy,
destOId, OBJECT_TYPE_VARIANT);
}
currentNeighborOId =
destOId;
memcpy(destObject.getBaseAddr(), srcObj, srcObjSize);
if (UNDEF_OID == linkOId) {
linkOId = destOId;
}
else {
assert(lastElem > 0);
uint8_t *linkOIdAddr =
lastElem + lastElemSize +
ValueProcessor::getEncodedVarSize(lastElemSize);
uint64_t encodedOId =
ValueProcessor::encodeVarSizeOId(destOId);
memcpy(linkOIdAddr, &encodedOId, sizeof(uint64_t));
}
prevOId = srcOId;
}
lastElem = destObject.getBaseAddr() + (srcElem - srcObj);
lastElemSize = srcElemSize;
}
}
return linkOId;
}