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71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
/*
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* Copyright 2024 CloudWeGo Authors
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*
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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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*
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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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*/
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package graph
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import (
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"context"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino-examples/internal/logs"
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)
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func RegisterSimpleGraph(ctx context.Context) {
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g := compose.NewGraph[string, string]()
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_ = g.AddLambdaNode("node_1", compose.InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
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return input + " process by node_1,", nil
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}))
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sg := compose.NewGraph[string, string]()
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_ = sg.AddLambdaNode("sg_node_1", compose.InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
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return input + " process by sg_node_1,", nil
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}))
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_ = sg.AddEdge(compose.START, "sg_node_1")
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_ = sg.AddEdge("sg_node_1", compose.END)
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_ = g.AddGraphNode("node_2", sg)
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_ = g.AddLambdaNode("node_3", compose.InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
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return input + " process by node_3,", nil
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}))
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_ = g.AddEdge(compose.START, "node_1")
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_ = g.AddEdge("node_1", "node_2")
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_ = g.AddEdge("node_2", "node_3")
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_ = g.AddEdge("node_3", compose.END)
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r, err := g.Compile(ctx)
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if err != nil {
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logs.Errorf("compile graph failed, err=%v", err)
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return
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}
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message, err := r.Invoke(ctx, "eino graph test")
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if err != nil {
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logs.Errorf("invoke graph failed, err=%v", err)
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return
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}
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logs.Infof("eino simple graph output is: %v", message)
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}
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