boost::pipeline::queue_back
// In header: <boost/pipeline/queue.hpp> template<typename T> class queue_back { public: // types typedef queue< T >::value_type value_type; // construct/copy/destruct queue_back(queue< T > &); // public member functions void push(const T &); void push(T &&); void close(); };
Producer handle to buffer queue between segments.
Each transformation producing multiple items on each call receive a queue_back instance which is used to access to the downstream queue.
A handle is valid until the downstream segment terminates.
Template arguments:
T Value type of the underlying queue
queue_back public member functionsvoid push(const T & item);
Pushes an item to the underlying queue.
Parameters: |
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Requires: |
queue is not closed |
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Throws: |
<tt>boost::sync_queue_is_closed</tt> If the queue is already closed |
void push(T && item);
Pushes an item to the underlying queue.
Parameters: |
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Requires: |
queue is not closed |
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Throws: |
<tt>boost::sync_queue_is_closed</tt> If the queue is already closed |
void close();
Closes the underlying queue.
Queue will not receive additional items.