SchemaHistoryBase::ReadBuffer Class Reference

Inheritance diagram for SchemaHistoryBase::ReadBuffer:

Collaboration diagram for SchemaHistoryBase::ReadBuffer:

Public Member Functions
	ReadBuffer (time_t first_time, time_t last_time, time_t interval)
	~ReadBuffer ()
void	Realloc (int wantalloc)
void	Add (time_t t, double v)
void	Finish ()
Public Member Functions inherited from MidasHistoryBufferInterface
	MidasHistoryBufferInterface ()
virtual	~MidasHistoryBufferInterface ()

Public Attributes
time_t	fFirstTime
time_t	fLastTime
time_t	fInterval
int	fNumAdded
int	fNumAlloc
int *	fNumEntries
time_t **	fTimeBuffer
double **	fDataBuffer
time_t	fPrevTime

Detailed Description

Definition at line 3131 of file history_schema.cxx.

Constructor & Destructor Documentation

ReadBuffer()

SchemaHistoryBase::ReadBuffer::ReadBuffer ( time_t  first_time, time_t  last_time, time_t  interval  )

inline

Definition at line 3147 of file history_schema.cxx.

      {
         fNumAdded = 0;
 
         fFirstTime = first_time;
         fLastTime = last_time;
         fInterval = interval;
 
         fNumAlloc = 0;
         fNumEntries = NULL;
         fTimeBuffer = NULL;
         fDataBuffer = NULL;
 
         fPrevTime = 0;
      }

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~ReadBuffer()

SchemaHistoryBase::ReadBuffer::~ReadBuffer ( )

inline

Definition at line 3163 of file history_schema.cxx.

      {
      }

Member Function Documentation

Add()

void SchemaHistoryBase::ReadBuffer::Add ( time_t  t, double  v  )

inlinevirtual

Implements MidasHistoryBufferInterface.

Definition at line 3188 of file history_schema.cxx.

      {
         if (t < fFirstTime)
            return;
         if (t > fLastTime)
            return;
 
         fNumAdded++;
 
         if ((fPrevTime==0) || (t >= fPrevTime + fInterval)) {
            int pos = *fNumEntries;
 
            Realloc(pos + 1);
 
            (*fTimeBuffer)[pos] = t;
            (*fDataBuffer)[pos] = v;
 
            (*fNumEntries) = pos + 1;
 
            fPrevTime = t;
         }
      }

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Finish()

void SchemaHistoryBase::ReadBuffer::Finish ( )

inline

Definition at line 3211 of file history_schema.cxx.

      {
 
      }

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Realloc()

void SchemaHistoryBase::ReadBuffer::Realloc ( int  wantalloc )

inline

Definition at line 3167 of file history_schema.cxx.

      {
         if (wantalloc < fNumAlloc - 10)
            return;
 
         int newalloc = fNumAlloc*2;
 
         if (newalloc <= 1000)
            newalloc = wantalloc + 1000;
 
         //printf("wantalloc %d, fNumEntries %d, fNumAlloc %d, newalloc %d\n", wantalloc, *fNumEntries, fNumAlloc, newalloc);
 
         *fTimeBuffer = (time_t*)realloc(*fTimeBuffer, sizeof(time_t)*newalloc);
         assert(*fTimeBuffer);
 
         *fDataBuffer = (double*)realloc(*fDataBuffer, sizeof(double)*newalloc);
         assert(*fDataBuffer);
 
         fNumAlloc = newalloc;
      }

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Member Data Documentation

fDataBuffer

double** SchemaHistoryBase::ReadBuffer::fDataBuffer

Definition at line 3143 of file history_schema.cxx.

fFirstTime

time_t SchemaHistoryBase::ReadBuffer::fFirstTime

Definition at line 3134 of file history_schema.cxx.

fInterval

time_t SchemaHistoryBase::ReadBuffer::fInterval

Definition at line 3136 of file history_schema.cxx.

fLastTime

time_t SchemaHistoryBase::ReadBuffer::fLastTime

Definition at line 3135 of file history_schema.cxx.

fNumAdded

int SchemaHistoryBase::ReadBuffer::fNumAdded

Definition at line 3138 of file history_schema.cxx.

fNumAlloc

int SchemaHistoryBase::ReadBuffer::fNumAlloc

Definition at line 3140 of file history_schema.cxx.

fNumEntries

int* SchemaHistoryBase::ReadBuffer::fNumEntries

Definition at line 3141 of file history_schema.cxx.

fPrevTime

time_t SchemaHistoryBase::ReadBuffer::fPrevTime

Definition at line 3145 of file history_schema.cxx.

fTimeBuffer

time_t** SchemaHistoryBase::ReadBuffer::fTimeBuffer

Definition at line 3142 of file history_schema.cxx.

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

• src/history_schema.cxx