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https://github.com/vmware-tanzu/velero.git
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56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
/*
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Copyright The Velero 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 cbt
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import "github.com/vmware-tanzu/velero/pkg/cbtservice"
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// Bitmap defines the methods to store and iterate the CBT bitmap
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type Bitmap interface {
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// Set sets bits within the provided range
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Set(cbtservice.Range)
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// SetFull sets all bits to the bitmap
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SetFull()
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// Snapshot returns snapshot of the bitmap
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SourceID() string
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// ChangeID returns the changeID of the bitmap
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ChangeID() string
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// Iterator returns the iterator for the CBT Bitmap
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Iterator() Iterator
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}
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// Iterator defines the methods to iterate the CBT bitmap and query the associated information
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type Iterator interface {
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// ChangeID returns the changeID of the bitmap
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ChangeID() string
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// Snapshot returns snapshot of the bitmap
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Snapshot() string
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// BlockSize returns the granularity of the bitmap
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BlockSize() int
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// Count returns the toal number of count in the bitmap
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Count() uint64
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// Next returns the offset of the next set block and whether it comes to the end of the iteration
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Next() (int64, bool)
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}
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