mirror of
https://github.com/hanzozt/foundation.git
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Paul Lorenz
95a4bfc777
* move util up a level * rename common to versions * remove pfxlog from versions * remove neatcat and echo server * move udp code to transport * remove agent, identity and metrics, which have been split out * remove config which was unused
35 lines
1012 B
Go
35 lines
1012 B
Go
/*
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Copyright NetFoundry Inc.
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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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https://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 sequencer
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import (
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"errors"
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"time"
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)
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// this is simple queue which sorts items according to their sequence number
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// and waits until sequence can be completed without gaps
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type Sequencer interface {
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PutSequenced(seq uint32, v interface{}) error
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GetNext() interface{}
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GetNextWithDeadline(t time.Time) (interface{}, error)
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Close()
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}
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var ErrClosed = errors.New("sequencer closed")
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var ErrTimedOut = errors.New("operation timed out")
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