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70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package lifetime
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import (
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"github.com/milvus-io/milvus/pkg/util/merr"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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// Singal alias for chan struct{}.
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type Signal chan struct{}
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// BiState provides pre-defined simple binary state - normal or closed.
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type BiState int32
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const (
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Normal BiState = 0
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Closed BiState = 1
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)
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// State provides pre-defined three stage state.
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type State int32
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const (
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Initializing State = iota
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Working
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Stopped
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)
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func (s State) String() string {
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switch s {
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case Initializing:
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return "Initializing"
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case Working:
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return "Working"
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case Stopped:
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return "Stopped"
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}
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return "Unknown"
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}
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func NotStopped(state State) error {
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if state != Stopped {
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return nil
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}
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return merr.WrapErrServiceNotReady(paramtable.GetRole(), paramtable.GetNodeID(), state.String())
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}
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func IsWorking(state State) error {
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if state == Working {
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return nil
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}
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return merr.WrapErrServiceNotReady(paramtable.GetRole(), paramtable.GetNodeID(), state.String())
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}
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