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231e468e19
git-subtree-dir: erigon-lib git-subtree-mainline:3c8cbda809git-subtree-split:93d9c9d9fe
35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
/*
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Copyright 2021 Erigon contributors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bitmapdb
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import (
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"github.com/RoaringBitmap/roaring/roaring64"
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)
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type BitmapStream struct {
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bm *roaring64.Bitmap
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it roaring64.IntPeekable64
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}
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func NewBitmapStream(bm *roaring64.Bitmap) *BitmapStream {
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return &BitmapStream{bm: bm, it: bm.Iterator()}
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}
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func (it *BitmapStream) HasNext() bool { return it.it.HasNext() }
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func (it *BitmapStream) Close() { ReturnToPool64(it.bm) }
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func (it *BitmapStream) Next() (uint64, error) { return it.it.Next(), nil }
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func (it *BitmapStream) ToBitmap() (*roaring64.Bitmap, error) { return it.bm, nil }
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