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fix iterator bug

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git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@550 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
This commit is contained in:
sears 2010-02-04 22:19:42 +00:00
parent d5b4106b7e
commit 3c297d1a66
1 changed files with 7 additions and 5 deletions
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12
logiterators.h
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@ -21,15 +21,16 @@ private:
typedef typename MEMTREE::const_iterator MTITER;
public:
memTreeIterator( MEMTREE *s ) : first_(true), it_(s->begin()), itend_(s->end()) { }
memTreeIterator( MEMTREE *s, TUPLE &key ) : first_(true), it_(s->find(key)), itend_(s->end()) { }
memTreeIterator( MEMTREE *s ) : first_(true), done_(false), it_(s->begin()), itend_(s->end()) { }
memTreeIterator( MEMTREE *s, TUPLE &key ) : first_(true), done_(false), it_(s->find(key)), itend_(s->end()) { }
~memTreeIterator() { }
TUPLE* getnext() {
if(it_==itend_) { return NULL; }
if(first_) { first_ = 0;} else { it_++; }
TUPLE *t = new TUPLE();
if(done_) { return NULL; }
if(first_) { first_ = 0;} else { it_++; }
if(it_==itend_) { done_= true; return NULL; }
TUPLE *t = new TUPLE();
t->clone(*it_);
return t;
}
@ -41,6 +42,7 @@ private:
int operator-(memTreeIterator & t) { abort(); }
private:
bool first_;
bool done_;
MTITER it_;
MTITER itend_;
};