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topic_addmessagelistener.go
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topic_addmessagelistener.go
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// Copyright (c) 2008-2019, 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 proto
import (
"github.com/hazelcast/hazelcast-go-client/serialization"
"github.com/hazelcast/hazelcast-go-client/internal/proto/bufutil"
)
func topicAddMessageListenerCalculateSize(name string, localOnly bool) int {
// Calculates the request payload size
dataSize := 0
dataSize += stringCalculateSize(name)
dataSize += bufutil.BoolSizeInBytes
return dataSize
}
// TopicAddMessageListenerEncodeRequest creates and encodes a client message
// with the given parameters.
// It returns the encoded client message.
func TopicAddMessageListenerEncodeRequest(name string, localOnly bool) *ClientMessage {
// Encode request into clientMessage
clientMessage := NewClientMessage(nil, topicAddMessageListenerCalculateSize(name, localOnly))
clientMessage.SetMessageType(topicAddMessageListener)
clientMessage.IsRetryable = false
clientMessage.AppendString(name)
clientMessage.AppendBool(localOnly)
clientMessage.UpdateFrameLength()
return clientMessage
}
// TopicAddMessageListenerDecodeResponse decodes the given client message.
// It returns a function which returns the response parameters.
func TopicAddMessageListenerDecodeResponse(clientMessage *ClientMessage) func() (response string) {
// Decode response from client message
return func() (response string) {
response = clientMessage.ReadString()
return
}
}
// TopicAddMessageListenerHandleEventTopicFunc is the event handler function.
type TopicAddMessageListenerHandleEventTopicFunc func(serialization.Data, int64, string)
// TopicAddMessageListenerEventTopicDecode decodes the corresponding event
// from the given client message.
// It returns the result parameters for the event.
func TopicAddMessageListenerEventTopicDecode(clientMessage *ClientMessage) (
item serialization.Data, publishTime int64, uuid string) {
item = clientMessage.ReadData()
publishTime = clientMessage.ReadInt64()
uuid = clientMessage.ReadString()
return
}
// TopicAddMessageListenerHandle handles the event with the given
// event handler function.
func TopicAddMessageListenerHandle(clientMessage *ClientMessage,
handleEventTopic TopicAddMessageListenerHandleEventTopicFunc) {
// Event handler
messageType := clientMessage.MessageType()
if messageType == bufutil.EventTopic && handleEventTopic != nil {
handleEventTopic(TopicAddMessageListenerEventTopicDecode(clientMessage))
}
}