fup

include/mixins/BaseLinkMixin.h

@@ -0,0 +1,41 @@
+#pragma once
+#include <iostream>
+#include "ifaces/INode.h"
+#include "ifaces/ILinkMixin.h"
+#include "links/LeafLink.h"
+#include "links/OneToManyLink.h"
+#include <memory>
+
+class BaseLinkMixin : public virtual ILinkMixin,
+		      public virtual INode,
+		      public std::enable_shared_from_this<INode> {
+public:
+	void linkChild(const NodePtr& childNode) override {
+		LinkPtr childLink = childNode->getLink();
+		childLink->setParent(getNode());
+
+		getLink()->addChild(childNode);
+	}
+
+	void unlinkParent() override {
+		LinkPtr link = getLink();
+
+		NodePtr parent = link->getParent();
+		if (!parent)
+			throw std::logic_error("Have no parent!");
+
+		LinkPtr parentLink = parent->getLink();
+
+		parentLink->removeChild(getNode());
+		getLink()->setParent(nullptr);
+	}
+
+	~BaseLinkMixin() override {
+		std::cout << "--- Destructor called for: " << "BaseLinkMixin" << "\n";
+	}
+
+protected:
+	NodePtr getNode() {
+		return shared_from_this();
+	}
+};

include/mixins/LazyLinkMixin.h

@@ -1,39 +1,22 @@
 #pragma once
 #include <iostream>
-#include "ifaces/INode.h"
-#include "ifaces/ILinkMixin.h"
-#include "links/LeafLink.h"
-#include "links/OneToManyLink.h"
+#include "mixins/BaseLinkMixin.h"
 #include <memory>
 
 template <class TLink>
-class LazyLinkMixin : public virtual ILinkMixin {
+class LazyLinkMixin : public BaseLinkMixin {
 public:
-	void linkChild(const NodePtr& childNode) override {
-		LinkPtr childLink = childNode->getLink();
-		childLink->setParent(getNode());
-
-		getLink()->addChild(childNode);
-	}
-
 	void unlinkParent() override {
 		/* No link -- no parent, who'll unlinked? */
-		if (!link_)
+		if (!this->link_)
 			throw std::logic_error("Link isn't inited!");
 
-		NodePtr parent = link_->getParent();
-		if (!parent)
-			throw std::logic_error("Have no parent!");
-
-		LinkPtr parentLink = parent->getLink();
-
-		parentLink->removeChild(getNode());
-		getLink()->setParent(nullptr);
+		BaseLinkMixin::unlinkParent();
 	}
 
 	LinkPtr getLink() override {
 		lazyInit();
-		return link_;
+		return this->link_;
 	}
 
 	~LazyLinkMixin() override {
@@ -41,14 +24,11 @@ public:
 	}
 
 protected:
-	virtual NodePtr getNode() = 0;
-
-private:
 	void lazyInit() {
-		if (!link_) {
-			link_ = std::make_shared<TLink>(getNode());
+		if (!this->link_) {
+			this->link_ = std::make_shared<TLink>(
+					BaseLinkMixin::getNode());
 		}
 	}
-
 	LinkPtr link_;
 };