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set_addlistener.go
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set_addlistener.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 setAddListenerCalculateSize(name string, includeValue bool, localOnly bool) int {
// Calculates the request payload size
dataSize := 0
dataSize += stringCalculateSize(name)
dataSize += bufutil.BoolSizeInBytes
dataSize += bufutil.BoolSizeInBytes
return dataSize
}
// SetAddListenerEncodeRequest creates and encodes a client message
// with the given parameters.
// It returns the encoded client message.
func SetAddListenerEncodeRequest(name string, includeValue bool, localOnly bool) *ClientMessage {
// Encode request into clientMessage
clientMessage := NewClientMessage(nil, setAddListenerCalculateSize(name, includeValue, localOnly))
clientMessage.SetMessageType(setAddListener)
clientMessage.IsRetryable = false
clientMessage.AppendString(name)
clientMessage.AppendBool(includeValue)
clientMessage.AppendBool(localOnly)
clientMessage.UpdateFrameLength()
return clientMessage
}
// SetAddListenerDecodeResponse decodes the given client message.
// It returns a function which returns the response parameters.
func SetAddListenerDecodeResponse(clientMessage *ClientMessage) func() (response string) {
// Decode response from client message
return func() (response string) {
response = clientMessage.ReadString()
return
}
}
// SetAddListenerHandleEventItemFunc is the event handler function.
type SetAddListenerHandleEventItemFunc func(serialization.Data, string, int32)
// SetAddListenerEventItemDecode decodes the corresponding event
// from the given client message.
// It returns the result parameters for the event.
func SetAddListenerEventItemDecode(clientMessage *ClientMessage) (
item serialization.Data, uuid string, eventType int32) {
if !clientMessage.ReadBool() {
item = clientMessage.ReadData()
}
uuid = clientMessage.ReadString()
eventType = clientMessage.ReadInt32()
return
}
// SetAddListenerHandle handles the event with the given
// event handler function.
func SetAddListenerHandle(clientMessage *ClientMessage,
handleEventItem SetAddListenerHandleEventItemFunc) {
// Event handler
messageType := clientMessage.MessageType()
if messageType == bufutil.EventItem && handleEventItem != nil {
handleEventItem(SetAddListenerEventItemDecode(clientMessage))
}
}