5a42e15c4a
Squashed messages from 9 commits: 9. Properties now uses PropertyFamily and contained classes. Fetching,seting,clearing properties can be done with PropertyFamilyKey or PropertyTypeKey. Hierarchy of newly added clases is: Vertices -n-> PropertyFamily {name: String} <-1-n-> PropertyType {type: Property::Flags} Edges -n-> PropertyFamily {name: String} <-1-n-> PropertyType {type: Property::Flags} PropertyFamilyKey -> PropertyType PropertyTypeKey -> PropertyType PropertyType t0,t1; let t0!=t1 be true let t0.family==t1.family be true then next is true PropertyTypeKey{&t0}!=PropertyTypeKey{&t1} PropertyFamilyKey{&t0}==PropertyFamilyKey{&t1} PropertyFamilyKey{&t0}==PropertyTypeKey{&t1} PropertyTypeKey{&t0}==PropertyFamilyKey{&t1} 8. Intermedate commit. Noticed that integration queries throw SEGFAULT. 7. Defined interface for indexes. Fixed three memory leaks. Fixed integration_queries test which now passes. 6. Commit which return Xorshift128plus to valid shape. 5. Tmp commit. 4. Label Index is compiling. 3. tmp 2. Vertex::Accessor now updates Label index. 1. Applied changes for code review.
36 lines
963 B
C++
36 lines
963 B
C++
#pragma once
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#include "utils/iterator/range_iterator.hpp"
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#include "utils/option.hpp"
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namespace iter
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{
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// Class which turns ranged iterator with next() into accessor.
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// T - type of return value
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// I - iterator type
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template <class T, class I>
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class OneTimeAccessor
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{
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public:
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OneTimeAccessor() : it(Option<RangeIterator<T, I>>()) {}
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OneTimeAccessor(I &&it) : it(RangeIterator<T, I>(std::move(it))) {}
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RangeIterator<T, I> begin() { return it.take(); }
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RangeIterator<T, I> end() { return RangeIterator<T, I>(); }
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private:
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Option<RangeIterator<T, I>> it;
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};
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template <class I>
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auto make_one_time_accessor(I &&iter)
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{
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// Because function isn't receving or in any way using type T from
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// OneTimeAccessor compiler can't deduce it thats way there is decltype in
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// construction of OneTimeAccessor. Resoulting type of iter.next().take() is
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// T.
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return OneTimeAccessor<decltype(iter.next().take()), I>(std::move(iter));
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}
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}
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