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35 lines
676 B
C++
35 lines
676 B
C++
#pragma once
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#include <iostream>
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#include "mixins/BaseLinkMixin.h"
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#include <memory>
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template <class TLink>
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class LazyLinkMixin : public BaseLinkMixin {
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public:
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void unlinkParent() override {
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/* No link -- no parent, who'll unlinked? */
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if (!this->link_)
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throw std::logic_error("Link isn't inited!");
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BaseLinkMixin::unlinkParent();
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}
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LinkPtr getLink() override {
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lazyInit();
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return this->link_;
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}
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~LazyLinkMixin() override {
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std::cout << "--- Destructor called for: " << "LazyLinkMixin" << "\n";
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}
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protected:
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void lazyInit() {
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if (!this->link_) {
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this->link_ = std::make_shared<TLink>(
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BaseLinkMixin::getNode());
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}
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}
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LinkPtr link_;
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};
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