cEventHeap Class Reference¶
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API
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Public Member Functions | |
Constructors, destructor, assignment | |
| cEventHeap (const cEventHeap &msgq) | |
| cEventHeap (const char *name=nullptr, int initialCapacity=128) | |
| virtual | ~cEventHeap () |
| cEventHeap & | operator= (const cEventHeap &other) |
Redefined cObject member functions. | |
| virtual cEventHeap * | dup () const override |
| virtual std::string | str () const override |
| virtual void | forEachChild (cVisitor *v) override |
Simulation-related operations. | |
| virtual void | insert (cEvent *event) override |
| virtual cEvent * | peekFirst () const override |
| virtual cEvent * | removeFirst () override |
| virtual void | putBackFirst (cEvent *event) override |
| virtual cEvent * | remove (cEvent *event) override |
| virtual bool | isEmpty () const override |
| virtual void | clear () override |
Random access. | |
| virtual int | getLength () const override |
| virtual cEvent * | get (int k) override |
| virtual void | sort () override |
| Public Member Functions inherited from cFutureEventSet | |
| cFutureEventSet (const char *name=nullptr) | |
| virtual | ~cFutureEventSet () |
| cFutureEventSet & | operator= (const cFutureEventSet &other) |
| Public Member Functions inherited from cOwnedObject | |
| cOwnedObject () | |
| cOwnedObject (const char *name, bool namepooling=true) | |
| cOwnedObject (const cOwnedObject &obj) | |
| virtual | ~cOwnedObject () |
| cOwnedObject & | operator= (const cOwnedObject &o) |
| virtual void | parsimPack (cCommBuffer *buffer) const override |
| virtual void | parsimUnpack (cCommBuffer *buffer) override |
| virtual cObject * | getOwner () const override |
| virtual bool | isOwnedObject () const override |
| Public Member Functions inherited from cNamedObject | |
| cNamedObject () | |
| cNamedObject (const char *name, bool namepooling=true) | |
| cNamedObject (const cNamedObject &obj) | |
| virtual | ~cNamedObject () |
| cNamedObject & | operator= (const cNamedObject &o) |
| virtual void | setName (const char *s) |
| virtual const char * | getName () const override |
| virtual void | setNamePooling (bool b) |
| virtual bool | getNamePooling () |
| Public Member Functions inherited from cObject | |
| cObject () | |
| cObject (const cObject &other)=default | |
| virtual | ~cObject () |
| virtual const char * | getClassName () const |
| bool | isName (const char *s) const |
| virtual const char * | getFullName () const |
| virtual std::string | getFullPath () const |
| virtual std::string | getClassAndFullName () const |
| virtual std::string | getClassAndFullPath () const |
| const cObject * | getThisPtr () const |
| virtual std::ostream & | printOn (std::ostream &os) const |
| virtual bool | isSoftOwner () const |
| cObject * | findObject (const char *name, bool deep=true) |
| virtual cClassDescriptor * | getDescriptor () const |
| void | copyNotSupported () const |
Additional Inherited Members | |
| Static Public Member Functions inherited from cOwnedObject | |
| static long | getTotalObjectCount () |
| static long | getLiveObjectCount () |
| static void | resetObjectCounters () |
| static cSoftOwner * | getOwningContext () |
| Protected Member Functions inherited from cObject | |
| virtual void | take (cOwnedObject *obj) |
| virtual void | drop (cOwnedObject *obj) |
| void | dropAndDelete (cOwnedObject *obj) |
Description
The default, binary heap based implementation of the future event set.
Using binary heap as the underlying data structure provides reliable performance for most workloads. A worst case for heap is insertion at the front (i.e. for the current simulation time), which is actually quite common, due to the abundance of zero-delay links in models. This case is optimized by employing an additional circular buffer specifically for storing events inserted scheduled for the current simulation time.
Constructor & Destructor Documentation
◆ cEventHeap() [1/2]
| cEventHeap | ( | const cEventHeap & | msgq | ) |
◆ cEventHeap() [2/2]
| cEventHeap | ( | const char * | name = nullptr, |
| int | initialCapacity = 128 ) |
Constructor.
◆ ~cEventHeap()
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virtual |
Destructor.
Member Function Documentation
◆ operator=()
| cEventHeap & operator= | ( | const cEventHeap & | other | ) |
Assignment operator. The name member is not copied; see cOwnedObject's operator=() for more details.
References cEventHeap().
◆ dup()
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inlineoverridevirtual |
Creates and returns an exact copy of this object. See cObject for more details.
Reimplemented from cObject.
References cEventHeap().
◆ str()
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overridevirtual |
Produces a one-line description of the object's contents. See cObject for more details.
Reimplemented from cFutureEventSet.
◆ forEachChild()
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overridevirtual |
◆ insert()
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overridevirtual |
Insert an event into the FES.
Implements cFutureEventSet.
◆ peekFirst()
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overridevirtual |
Peek the first event in the FES (the one with the smallest timestamp.) If the FES is empty, it returns nullptr.
Implements cFutureEventSet.
◆ removeFirst()
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overridevirtual |
Removes and return the first event in the FES (the one with the smallest timestamp.) If the FES is empty, it returns nullptr.
Implements cFutureEventSet.
◆ putBackFirst()
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overridevirtual |
Undo for removeFirst(): it puts back an event to the front of the FES.
Implements cFutureEventSet.
◆ remove()
Removes and returns the given event in the FES. If the event is not in the FES, returns nullptr.
Implements cFutureEventSet.
◆ isEmpty()
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inlineoverridevirtual |
Returns true if the FES is empty.
Implements cFutureEventSet.
◆ clear()
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overridevirtual |
Deletes all events in the FES.
Implements cFutureEventSet.
◆ getLength()
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inlineoverridevirtual |
Returns the number of events in the FES.
Implements cFutureEventSet.
◆ get()
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overridevirtual |
Returns the kth event in the FES if 0 <= k < getLength(), and nullptr otherwise. Note that iteration does not necessarily return events in increasing timestamp (getArrivalTime()) order unless you called sort() before.
Implements cFutureEventSet.
◆ sort()
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overridevirtual |
Sorts the contents of the FES. This is only necessary if one wants to iterate through in the FES in strict timestamp order.
Implements cFutureEventSet.
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