81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
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package main
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import (
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"context"
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"log"
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"11-11.dev/goexamples/elasticstream"
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)
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func main() {
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ctx := context.Background()
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// STEP 1: Create a new client
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client := &elasticstream.Client{}
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// STEP 2: Configure() the client
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config := &elasticstream.Config{
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Host: "http://test.urantiacloud.com:9200",
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Indexes: []string{"index-a", "index-b", "index-c"},
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BatchSize: 10,
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DBPath: "./index.db",
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}
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err := client.Configure(ctx, config)
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if err != nil {
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log.Println("client.Configure() err:", err)
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return
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}
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// ------------ IF RUN FOR THE FIRST TIME ----------------
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// STEP 2.5: LifecycleOnCreated()
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err = client.LifecycleOnCreated(ctx, config)
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if err != nil {
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log.Println("client.LifecycleOnCreated() err:", err)
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return
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}
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// ------------ IF RUN FOR THE FIRST TIME ----------------
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// ------------ IF CONFIG CHANGED ------------------------
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// STEP 2.5: LifecycleOnUpdated()
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err = client.LifecycleOnUpdated(ctx, config)
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if err != nil {
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log.Println("client.LifecycleOnUpdated() err:", err)
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return
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}
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// ------------ IF CONFIG CHANGED ------------------------
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// STEP 3: Open() the client
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err = client.Open(ctx, []Position{})
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if err != nil {
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log.Println("client.Open() err:", err)
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return
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}
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// STEP 4: Read() using client
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// for untill context is cancelled
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for {
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data, err := client.Read(ctx)
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if err != nil {
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log.Println("client.Read() err:", err)
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continue
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}
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fmt.Println("data:", data)
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}
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// STEP 5: Ack()
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err = client.Ack(ctx, Position{})
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if err != nil {
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log.Println("client.Ack() err:", err)
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return
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}
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// STEP 6: Teardown()
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err = client.Teardown(ctx)
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if err != nil {
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log.Println("client.Teardown() err:", err)
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return
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}
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}
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