[apps/statistics] Create a model data

Change-Id: Iad946d1a1bc27aaea985f73d87163e8368206d40

apps/statistics/data.cpp

@@ -0,0 +1,38 @@
+#include "data.h"
+
+namespace Statistics {
+
+Data::Data() :
+  m_numberOfPairs(0)
+{
+}
+
+int Data::numberOfPairs() const {
+  return m_numberOfPairs;
+}
+
+float Data::valueAtIndex(int index) {
+  return m_values[index];
+}
+
+int Data::sizeAtIndex(int index) {
+  return m_sizes[index];
+}
+
+void Data::setValueAtIndex(float value, int index) {
+  m_values[index] = value;
+  if (index >= m_numberOfPairs) {
+    m_sizes[index] = 0;
+    m_numberOfPairs++;
+  }
+}
+
+void Data::setSizeAtIndex(int size, int index) {
+  m_sizes[index] = size;
+  if (index >= m_numberOfPairs) {
+    m_values[index] = 0.0f;
+    m_numberOfPairs++;
+  }
+}
+
+}