Apache log4cxx  Version 0.12.0
cyclicbuffer.h
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17 
18 #ifndef _LOG4CXX_HELPERS_CYCLICBUFFER_H
19 #define _LOG4CXX_HELPERS_CYCLICBUFFER_H
20 
22 
23 namespace log4cxx
24 {
25 namespace helpers
26 {
34 class LOG4CXX_EXPORT CyclicBuffer
35 {
36  log4cxx::spi::LoggingEventList ea;
37  int first;
38  int last;
39  int numElems;
40  int maxSize;
41 
42  public:
51  CyclicBuffer(int maxSize);
52  ~CyclicBuffer();
53 
57  void add(const spi::LoggingEventPtr& event);
58 
64  spi::LoggingEventPtr get(int i);
65 
66  int getMaxSize() const
67  {
68  return maxSize;
69  }
70 
76 
82  int length() const
83  {
84  return numElems;
85  }
86 
91  void resize(int newSize);
92 }; // class CyclicBuffer
93 } //namespace helpers
94 } //namespace log4cxx
95 
96 #endif //_LOG4CXX_HELPERS_CYCLICBUFFER_H
std::shared_ptr< LoggingEvent > LoggingEventPtr
Definition: appender.h:37
CyclicBuffer is used by other appenders to hold instances of LoggingEvent for immediate or deferred d...
Definition: cyclicbuffer.h:34
int getMaxSize() const
Definition: cyclicbuffer.h:66
int length() const
Get the number of elements in the buffer.
Definition: cyclicbuffer.h:82
Definition: appender.h:32