void SingleIndexBarrelReader::createTermReader(const std::string& sSuffix)
{
FileSystemPtr& pFileSys = m_pFileSys;
if (m_bMultiIndexFields)
{
MultiFieldTermReader* pMultiReader =
new MultiFieldTermReader(m_pComponentBuilder);
m_pTermReader.assign(pMultiReader);
pMultiReader->open(pFileSys, m_pInStreamPool, sSuffix, getDocSchema(), m_pDocFilter);
}
else
{
DocumentSchema::Iterator iter = m_pDocSchema->iterator();
while (iter.hasNext())
{
const FieldSchema* pFieldSchema = iter.next();
if (pFieldSchema->isIndexed())
{
TermReader* pTermReader =
m_pComponentBuilder->buildTermReader(pFieldSchema->getId());
FIRTEX_ASSERT2(pTermReader != NULL);
m_pTermReader.assign(pTermReader);
m_pTermReader->open(pFileSys, m_pInStreamPool, sSuffix,
pFieldSchema, m_pDocFilter);
break;
}
}
}
}
SingleIndexBarrelReader::SingleIndexBarrelReader(
const FileSystemPtr& pFileSys,
const DocumentSchema* pDocSchema,
const ComponentBuilder* pComponentBuilder)
: IndexBarrelReader(pFileSys, pDocSchema, pComponentBuilder)
, m_pBarrelInfo(NULL)
, m_pDocFilter(NULL)
{
size_t nIndexFields = 0;
DocumentSchema::Iterator it = pDocSchema->iterator();
while (it.hasNext())
{
const FieldSchema* pFieldSchema = it.next();
if (pFieldSchema->isIndexed())
{
++nIndexFields;
}
}
m_bMultiIndexFields = (nIndexFields > 1);
}
void SingleIndexBarrelReader::createForwardIndex(const std::string& sSuffix)
{
DocumentSchema::Iterator iter = m_pDocSchema->iterator();
while (iter.hasNext())
{
const FieldSchema* pFieldSchema = iter.next();
if(pFieldSchema->hasForwardIndex())
{
fieldid_t fieldId = pFieldSchema->getId();
ForwardIndexReader* pFDReader =
m_pComponentBuilder->buildForwardIndexReader(fieldId);
FIRTEX_ASSERT2(pFDReader != NULL);
if (fieldId >= (fieldid_t)m_forwardIndexReaders.size())
{
m_forwardIndexReaders.resize(fieldId + 1);
}
m_forwardIndexReaders[fieldId].assign(pFDReader);
pFDReader->open(m_pFileSys, pFieldSchema, FORWARD_INDEX_FILEEXT, sSuffix);
}
}
}
PrimaryKeyIndexPtr IndexBarrelKeeper::createPrimaryKeyIndex()
{
tstring sPrimKeyName;
DocumentSchema::Iterator it = m_pDocSchema->iterator();
while (it.hasNext())
{
const FieldSchema* pFieldSchema = it.next();
if (pFieldSchema->getTypeName() == "PRIMARY_KEY")
{
sPrimKeyName = pFieldSchema->getName();
break;
}
}
if (!sPrimKeyName.empty())
{
PrimaryKeyIndexPtr pPrimKeyIndex(new PrimaryKeyIndex(sPrimKeyName));
return pPrimKeyIndex;
}
else
{
return PrimaryKeyIndexPtr();
}
}