1 files changed, 32 insertions, 1 deletions
diff --git a/container-compiler-plugin/src/main/java/io/trygvis/container/compiler/model/Parameters.java b/container-compiler-plugin/src/main/java/io/trygvis/container/compiler/model/Parameters.java
index bfb32b6..7c1ab5b 100644
--- a/container-compiler-plugin/src/main/java/io/trygvis/container/compiler/model/Parameters.java
+++ b/container-compiler-plugin/src/main/java/io/trygvis/container/compiler/model/Parameters.java
@@ -1,4 +1,35 @@
 package io.trygvis.container.compiler.model;
 
-public class Parameters {
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+
+public class Parameters implements Iterable<ParameterRef> {
+    private final List<ParameterRef> parameters = new ArrayList<>();
+
+    public ParameterRef addParameter(TypeRef klass, String name) {
+
+        while (taken(name)) {
+            name = name + "_";
+        }
+
+        ParameterRef ref = new ParameterRef(klass, name);
+        parameters.add(ref);
+        return ref;
+    }
+
+    private boolean taken(String name) {
+        for (ParameterRef parameter : parameters) {
+            if (parameter.name.equals(name)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public ListIterator<ParameterRef> iterator() {
+        return parameters.listIterator();
+    }
 }