Oracle® Fusion Middleware C++ API Reference for Oracle Coherence
12c (12.2.1.1.0)

E69640-01

ClassBasedHeapAnalyzer::Snapshot Class Reference

#include <coherence/lang/ClassBasedHeapAnalyzer.hpp>

Inherits Object.

List of all members.


Detailed Description

Snapshot containing the object count.

Public Types

typedef spec::Handle Handle
 Snapshot Handle definition.
typedef spec::View View
 Snapshot View definition.
typedef spec::Holder Holder
 Snapshot Holder definition.

Public Member Functions

virtual TypedHandle
< const Map > 
getStatsMap () const
 Return the Snapshots map of class names to ClassStats.
virtual int64_t getObjectCount () const
 
virtual
HeapAnalyzer::Snapshot::View 
delta (HeapAnalyzer::Snapshot::View vThat) const
 
virtual TypedHandle
< const String
toString () const
 Output a human-readable description of this Object to the given stream.

Note that when overriding this method the return type must be TypedHandle<const String> rather then String::View. These two types are assignment compatible but not equivalent and declaring the override with String::View will not be a compatible override.

coherence::lang::operator<<(std::ostream, Object::View) is defined and will call into the toString method, to output Objects. If a managed String object is desired, the COH_TO_STRING macro can be used to build up a String from streamable contents and is generally how toString() will be implemented.

 Object::View vKey   = ...
 Object::View vValue = ...
 std::cout << vKey << " = " << vValue << std::endl;

 String::View vs = COH_TO_STRING(vKey << " = " << vValue);

The COH_TO_STRING macro is also the most common way to implement the toString method. For example:

 virtual TypedHandle<const String> Person::toString() const
     {
     return COH_TO_STRING("Name: " << f_sName << " SSN: " << f_nSSN);
     }

Returns:
a string representation of this object


Protected Member Functions

 Snapshot (TypedHandle< const Map > vMap, bool fShowAllocations)
 Create a new Snapshot.

Protected Attributes

FinalView< Objectf_vMapStats
 The map of class names to ClassStats.
bool m_fShowAllocations
 True if allocations are to be shown.

Member Function Documentation

virtual TypedHandle<const Map> getStatsMap (  )  const [virtual]

Return the Snapshots map of class names to ClassStats.

The keys are class names, the values are ClassStats.

Returns:
the snapshots map.


The documentation for this class was generated from the following file:
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