Questions tagged [boost-flyweight]
8 questions
7
votes
3 answers
Flyweights with Boost and external data sources
Maybe there is a simple way around this that I'm not seeing, so hopefully somebody can explain it to me.
Let's say I have a class:
class A {
public:
const double parameter;
const std::string name;
const std:: string fileName;
A(const…
tpg2114
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3
votes
1 answer
Boost flyweight for short strings
I am implementing a system that stores and manipulates a lot of repetitive short strings. For example stock price series. I will have a lot of repetitive entries of Microsoft stock prices:
,MSFT,60.01
,MSFT,60.02
,MSFT,60.00
I…
CuriousMind
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3
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1 answer
boost flyweight panics
I am using Boost 1.39. I've implemented my class using boost::flyweight > (my application is single-threaded). Test program for my class passes fine, but when I use in in the application, I panic in
#9 0x08de7c3e in…
dbbd
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3
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2 answers
Is there a way to get information on a boost::flyweight internal container?
Using boost::flyweight is supposed to help me save memory. I am looking for way to get a quantitative measurement on the effectiveness of the solution.
Is there a way to get the size() of the internal container? If its a hash based flyweight, is…
dbbd
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3
votes
1 answer
Does boost::flyweight do reference counting?
I've been reading the documentation of boost::flyweight but i don't see any mention to deallocation or reference counting policies. Basically a flyweight object should behave like a repository of distinct values, but its not clear what happens when…
lurscher
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1 answer
How to use boost::flyweight as a GOF pattern?
I can't understand how to use boost::flyweight as a GOF pattern. Is there are exist example somewhere?
For example, I expect it usage in the following way. There must be some flyweight container, that consist the "fat" objects. This container can…
AeroSun
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1 answer
boost::flyweight doesn't work for class
first i used flyweight for string which works fine, but when i use flyweight for a struct. it doesn't work.
the first test case for string is:
static void testflyweightString()
{
char tmp[0];
vector> boost_v;
for(int…
ideasky
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1
vote
1 answer
Using Boost flyweight with shared memory
I'd like to keep a large number of (frequently duplicated) strings in shared-memory, so I'm using Boost's flyweight and interprocess basic_string functionality. To ensure that the string is actually stored in the shared-memory, I need to supply a…
bovine
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