/
map_try_lock_codec.go
67 lines (56 loc) · 3.08 KB
/
map_try_lock_codec.go
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/*
* Copyright (c) 2008-2021, 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 codec
import (
"github.com/hazelcast/hazelcast-go-client/internal/proto"
iserialization "github.com/hazelcast/hazelcast-go-client/internal/serialization"
)
const (
// hex: 0x011100
MapTryLockCodecRequestMessageType = int32(69888)
// hex: 0x011101
MapTryLockCodecResponseMessageType = int32(69889)
MapTryLockCodecRequestThreadIdOffset = proto.PartitionIDOffset + proto.IntSizeInBytes
MapTryLockCodecRequestLeaseOffset = MapTryLockCodecRequestThreadIdOffset + proto.LongSizeInBytes
MapTryLockCodecRequestTimeoutOffset = MapTryLockCodecRequestLeaseOffset + proto.LongSizeInBytes
MapTryLockCodecRequestReferenceIdOffset = MapTryLockCodecRequestTimeoutOffset + proto.LongSizeInBytes
MapTryLockCodecRequestInitialFrameSize = MapTryLockCodecRequestReferenceIdOffset + proto.LongSizeInBytes
MapTryLockResponseResponseOffset = proto.ResponseBackupAcksOffset + proto.ByteSizeInBytes
)
// Tries to acquire the lock for the specified key for the specified lease time.After lease time, the lock will be
// released.If the lock is not available, then the current thread becomes disabled for thread scheduling
// purposes and lies dormant until one of two things happens the lock is acquired by the current thread, or
// the specified waiting time elapses.
func EncodeMapTryLockRequest(name string, key *iserialization.Data, threadId int64, lease int64, timeout int64, referenceId int64) *proto.ClientMessage {
clientMessage := proto.NewClientMessageForEncode()
clientMessage.SetRetryable(true)
initialFrame := proto.NewFrameWith(make([]byte, MapTryLockCodecRequestInitialFrameSize), proto.UnfragmentedMessage)
FixSizedTypesCodec.EncodeLong(initialFrame.Content, MapTryLockCodecRequestThreadIdOffset, threadId)
FixSizedTypesCodec.EncodeLong(initialFrame.Content, MapTryLockCodecRequestLeaseOffset, lease)
FixSizedTypesCodec.EncodeLong(initialFrame.Content, MapTryLockCodecRequestTimeoutOffset, timeout)
FixSizedTypesCodec.EncodeLong(initialFrame.Content, MapTryLockCodecRequestReferenceIdOffset, referenceId)
clientMessage.AddFrame(initialFrame)
clientMessage.SetMessageType(MapTryLockCodecRequestMessageType)
clientMessage.SetPartitionId(-1)
EncodeString(clientMessage, name)
EncodeData(clientMessage, key)
return clientMessage
}
func DecodeMapTryLockResponse(clientMessage *proto.ClientMessage) bool {
frameIterator := clientMessage.FrameIterator()
initialFrame := frameIterator.Next()
return FixSizedTypesCodec.DecodeBoolean(initialFrame.Content, MapTryLockResponseResponseOffset)
}