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79 lines
1.9 KiB
Go
79 lines
1.9 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 pipeline
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import (
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"time"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/timerecord"
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)
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type Pipeline interface {
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Add(node ...Node)
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Start() error
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Close()
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}
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type pipeline struct {
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nodes []*nodeCtx
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inputChannel chan Msg
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nodeTtInterval time.Duration
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enableTtChecker bool
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}
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func (p *pipeline) Add(nodes ...Node) {
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for _, node := range nodes {
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p.addNode(node)
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}
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}
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func (p *pipeline) addNode(node Node) {
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nodeCtx := newNodeCtx(node)
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if p.enableTtChecker {
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nodeCtx.checker = timerecord.GetGroupChecker("fgNode", p.nodeTtInterval, func(list []string) {
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log.Warn("some node(s) haven't received input", zap.Strings("list", list), zap.Duration("duration ", p.nodeTtInterval))
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})
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}
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if len(p.nodes) != 0 {
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p.nodes[len(p.nodes)-1].next = nodeCtx
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} else {
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p.inputChannel = nodeCtx.inputChannel
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}
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p.nodes = append(p.nodes, nodeCtx)
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}
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func (p *pipeline) Start() error {
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if len(p.nodes) == 0 {
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return ErrEmptyPipeline
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}
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for _, node := range p.nodes {
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node.Start()
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}
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return nil
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}
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func (p *pipeline) Close() {
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for _, node := range p.nodes {
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node.Close()
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}
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}
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