本文整理汇总了C++中PersistentTable::dataPtrForTuple方法的典型用法代码示例。如果您正苦于以下问题：C++ PersistentTable::dataPtrForTuple方法的具体用法？C++ PersistentTable::dataPtrForTuple怎么用？C++ PersistentTable::dataPtrForTuple使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PersistentTable的用法示例。
在下文中一共展示了PersistentTable::dataPtrForTuple方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: next
bool EvictionIterator::next(TableTuple &tuple)
{
PersistentTable* ptable = static_cast<PersistentTable*>(table);
if(current_tuple_id == ptable->getNewestTupleID()) // we've already returned the last tuple in the chain
{
VOLT_DEBUG("No more tuples in the chain.");
return false;
}
if(current_tuple_id == -1) // this is the first call to next
{
VOLT_DEBUG("This is the first tuple in the chain.");
if(ptable->getNumTuplesInEvictionChain() == 0) // there are no tuples in the chain
{
VOLT_DEBUG("There are no tuples in the eviction chain.");
return false;
}
current_tuple_id = ptable->getOldestTupleID();
}
else // advance the iterator to the next tuple in the chain
{
current_tuple_id = current_tuple->getTupleID();
}
current_tuple->move(ptable->dataPtrForTuple(current_tuple_id));
tuple.move(current_tuple->address());
VOLT_DEBUG("current_tuple_id = %d", current_tuple_id);
return true;
}开发者ID:Arpit-Mittal，项目名称:Hbase-Hstore-Hadoop-Implementation-Cassandra，代码行数:34，代码来源:EvictionIterator.cpp
示例2: next
bool EvictionIterator::next(TableTuple &tuple)
{
#ifndef ANTICACHE_TIMESTAMPS
PersistentTable* ptable = static_cast<PersistentTable*>(table);
if(current_tuple_id == ptable->getNewestTupleID()) // we've already returned the last tuple in the chain
{
VOLT_DEBUG("No more tuples in the chain.");
return false;
}
if(is_first) // this is the first call to next
{
is_first = false;
VOLT_DEBUG("This is the first tuple in the chain.");
if(ptable->getNumTuplesInEvictionChain() == 0) // there are no tuples in the chain
{
VOLT_DEBUG("There are no tuples in the eviction chain.");
return false;
}
current_tuple_id = ptable->getOldestTupleID();
}
else // advance the iterator to the next tuple in the chain
{
current_tuple_id = current_tuple->getNextTupleInChain();
}
current_tuple->move(ptable->dataPtrForTuple(current_tuple_id));
tuple.move(current_tuple->address());
VOLT_DEBUG("current_tuple_id = %d", current_tuple_id);
#else
tuple.move(candidates[current_tuple_id].m_addr);
current_tuple_id++;
while (candidates[current_tuple_id].m_addr == candidates[current_tuple_id - 1].m_addr) {
current_tuple_id++;
if (current_tuple_id == m_size) break;
}
#endif
return true;
}