ac8441b718
Make route package independent from controller package. Add common interfaces to `./common` directory. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package common
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import (
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"context"
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"io"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
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)
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// Context wraps stdlib context
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// with accompanying meta values.
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type Context interface {
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context.Context
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// Must return epoch number to select the values.
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Epoch() uint64
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}
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// Writer describes the interface for storing reputation.Trust values.
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//
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// This interface is provided by both local storage
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// of values and remote (wrappers over the RPC).
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type Writer interface {
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// Write performs a write operation of reputation.Trust value
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// and returns any error encountered.
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//
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// All values after the Close call must be flushed to the
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// physical target. Implementations can cache values before
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// Close operation.
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//
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// Write must not be called after Close.
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Write(reputation.Trust) error
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// Close exits with method-providing Writer.
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//
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// All cached values must be flushed before
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// the Close's return.
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//
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// Methods must not be called after Close.
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io.Closer
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}
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// WriterProvider is a group of methods provided
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// by entity which generates keepers of
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// reputation.Trust values.
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type WriterProvider interface {
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// InitWriter should return an initialized Writer.
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//
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// Initialization problems are reported via error.
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// If no error was returned, then the Writer must not be nil.
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//
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// Implementations can have different logic for different
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// contexts, so specific ones may document their own behavior.
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InitWriter(Context) (Writer, error)
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}
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