Completed a full exam

functional_functions.rb

@@ -8,6 +8,7 @@ def func_find_all(container_obj, attribute, filter_by)
 end
 
 def find_whatever_of_something(container_obj, attribute, filter_by, aggregate_func)
+  # TODO: Fix comparator to work for strings, such that I use .equals instead of ==
   filters = filter_by.map do |x|
     "s.get#{attribute}() #{x.comparator} #{x.value}"
   end
@@ -15,6 +16,15 @@ def find_whatever_of_something(container_obj, attribute, filter_by, aggregate_fu
   "return #{container_obj}.stream().filter(s -> #{filters.join "&&"}).#{aggregate_func}();"
 end
 
+def find_whatever_of_variable(container_obj, attribute, filter_by, aggregate_func, variable)
+  # TODO: Fix comparator to work for strings, such that I use .equals instead of ==
+  filters = filter_by.map do |x|
+    "s.get#{attribute}() #{x.comparator} #{x.value}"
+  end
+  # TODO: Consider also having an "or" here
+  "return #{container_obj}.stream().filter(s -> #{filters.join "&&"}).mapToInt(s -> s.get#{variable}()).#{aggregate_func}();"
+end
+
 def find_one(container_obj, attribute, filter_by)
   filters = filter_by.map do |x|
     "s.get#{attribute}() #{x.comparator} #{x.value}"

lol.rb

@@ -8,6 +8,7 @@ require_relative 'Filter'
 
 # Hi! Steffan was here...
 
+container_obj = "ferries"
 
 def construct_class(name_of_class, parameters, to_string_template)
   sorting_one = Type.new("String", "Name")
@@ -210,7 +211,7 @@ container_methods = [
             :type => "Ferry",
             :name => "f"
         }],
-        :method_type => add_method("ferries", "f")
+        :method_type => add_method(container_obj, "f")
     },
     {
         :return_type => "ArrayList<Ferry>",
@@ -219,7 +220,7 @@ container_methods = [
             :type => "int",
             :name => "maxLength"
         }],
-        :method_type => find_all("ferries", "Length", " < ", "#{name}", "maxLength")
+        :method_type => find_all(container_obj, "Length", " < ", "#{name}", "maxLength")
     },
     {
         :return_type => "#{name}",
@@ -228,7 +229,7 @@ container_methods = [
             :type => "String",
             :name => "Name"
                     }],
-        :method_type => find_best_with_extra_parameter("ferries", "Length", " > ", "#{name}", "Name", ".equals", "Name", "int")
+        :method_type => find_best_with_extra_parameter(container_obj, "Length", " > ", "#{name}", "Name", ".equals", "Name", "int")
     },
     {
         :return_type => "List<#{name}>",
@@ -241,7 +242,16 @@ container_methods = [
             :type => "int",
             :name => "max"
                     }],
-        :method_type => func_find_all("ferries", "Width", [Filter.new("min", ">="), Filter.new("max", "<=")])
+        :method_type => func_find_all(container_obj, "Width", [Filter.new("min", ">="), Filter.new("max", "<=")])
+    },
+    {
+        :return_type => "int",
+        :name => "findLength",
+        :params => [{
+            :type => "String",
+            :name => "Name"
+                    }],
+        :method_type => find_whatever_of_variable(container_obj, "Name", [Filter.new("Name", "==")], "sum", "Length")
     }
 ]
 
@@ -250,7 +260,7 @@ container_methods = [
 
 container_class = "Harbour"
 another_another_file = File.open("#{container_class}.java", "w")
-another_another_file.puts(construct_container(container_class, [{:type => "String", :name => "Name"}], [ {:type => "ArrayList<#{name}>", :name => "ferries"}], container_methods, "ferries"))
+another_another_file.puts(construct_container(container_class, [{:type => "String", :name => "Name"}], [ {:type => "ArrayList<#{name}>", :name => container_obj}], container_methods, container_obj))
 another_another_file.close
 
 # TODO: When creating find algorithms, remember to add a space or two (lol for consistency) for <, >, <=, >=
@@ -259,7 +269,8 @@ another_file = File.open("TestDriver.java", "w")
 another_file.puts(construct_driver name, params, [{:name => "smallFerries", :parameters => [{:type => "int"}], :print => true},
                                                           {:name => "longFerry", :parameters => [{:type => "String"}], :print => true},
                                                           {:name => "printHarbour", :parameters => [], :print => false},
-                                                          {:name => "findFerries", :parameters => [{:type => "int"}, {:type => "int"}], :print => true }], "Harbour", [{:type => "String"}])
+                                                          {:name => "findFerries", :parameters => [{:type => "int"}, {:type => "int"}], :print => true },
+                                                          {:name => "findLength", :parameters => [{:type => "String"}], :print => true}], "Harbour", [{:type => "String"}])
 another_file.close