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map_listener_example.go
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/
map_listener_example.go
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// Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License")
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"sync"
"github.com/ahmetmircik/hazelcast-go-client"
"github.com/ahmetmircik/hazelcast-go-client/core"
)
type entryListener struct {
wg *sync.WaitGroup
}
func (l *entryListener) EntryAdded(event core.EntryEvent) {
fmt.Println("Got an event, key: ", event.Key(), " value: ", event.Value())
l.wg.Done()
}
func main() {
client, err := hazelcast.NewClient()
if err != nil {
fmt.Println(err)
return
}
mp, _ := client.GetMap("testMap")
var wg = new(sync.WaitGroup)
entryListener := &entryListener{wg: wg}
registrationID, err := mp.AddEntryListener(entryListener, true)
if err != nil {
fmt.Println(err)
return
}
wg.Add(1)
mp.Put("testKey", "testValue")
wg.Wait() //Wait for the event
mp.RemoveEntryListener(registrationID)
client.Shutdown()
}