feat(container): add MethodContainers

lib/src/main/java/net/tomatentum/cutin/container/LoneMethodContainer.java

@@ -0,0 +1,50 @@
+package net.tomatentum.cutin.container;
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+
+import net.tomatentum.cutin.ReflectedMethod;
+import net.tomatentum.cutin.ReflectedMethodFactory;
+
+public class LoneMethodContainer<I extends Object> implements MethodContainer<I> {
+
+    private Map<I, ReflectedMethod<I>> methodStore;
+    private ReflectedMethodFactory factory;
+
+    public LoneMethodContainer(ReflectedMethodFactory factory) {
+        this.methodStore = new HashMap<>();
+        this.factory = factory;
+    }
+
+    @Override
+    public void addMethods(ReflectedMethod<I>... methods) {
+        for (ReflectedMethod<I> reflectedMethod : methods)
+            this.methodStore.put(reflectedMethod.identifier(), reflectedMethod);
+    }
+
+    @Override
+    public void addMethods(Object containingObject, Method... methods) {
+        for (Method method : methods)
+            this.addMethods(this.factory.produce(method, containingObject));
+    }
+
+    @Override
+    public Collection<ReflectedMethod<I>> methods() {
+        return this.methodStore.values();
+    }
+
+    @Override
+    public Collection<ReflectedMethod<I>> findFor(I identifier) {
+        return Arrays.asList(this.methodStore.get(identifier));
+    }
+
+    @Override
+    public Optional<ReflectedMethod<I>> findFirstFor(I identifier) {
+        return findFor(identifier).stream().findFirst();
+    }
+
+}