Testing performance enhancements by enabling transformations cache

Also reduce the utilization of dynamic cast.

src/variables/variable.cc

@@ -31,7 +31,9 @@ namespace Variables {
 
 Variable::Variable(std::string name)
     : m_name(name),
-    m_collectionName("") {
+    m_collectionName(""),
+    m_isExclusion(false),
+    m_isCount(false) {
 
     if (m_name.at(0) == '\\') {
         m_type = RegularExpression;
@@ -53,7 +55,9 @@ Variable::Variable(std::string name)
 Variable::Variable(std::string name, VariableKind kind)
     : m_name(name),
     m_collectionName(""),
-    m_kind(kind) {
+    m_kind(kind),
+    m_isExclusion(false),
+    m_isCount(false) {
 
     if (m_name.at(0) == '\\') {
         m_type = RegularExpression;

src/variables/variable.h

@@ -74,6 +74,8 @@ class Variable {
 
     VariableType m_type;
     VariableKind m_kind;
+    bool m_isExclusion;
+    bool m_isCount;
 };
 
 

src/variables/variations/exclusion.h

@@ -34,7 +34,8 @@ class Exclusion : public Variable {
  public:
     explicit Exclusion(Variable *v)
         : Variable(v->m_name),
-        var(v) { }
+        var(v)
+        { m_isExclusion = true; }
 
     std::list<transaction::Variable *> *
         evaluate(Assay *assay) override;