/
error_holder_codec.go
57 lines (48 loc) · 2.13 KB
/
error_holder_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"
)
const (
ErrorHolderCodecErrorCodeFieldOffset = 0
ErrorHolderCodecErrorCodeInitialFrameSize = ErrorHolderCodecErrorCodeFieldOffset + proto.IntSizeInBytes
)
/*
type errorholderCodec struct {}
var ErrorHolderCodec errorholderCodec
*/
func EncodeErrorHolder(clientMessage *proto.ClientMessage, errorHolder proto.ErrorHolder) {
clientMessage.AddFrame(proto.BeginFrame.Copy())
initialFrame := proto.NewFrame(make([]byte, ErrorHolderCodecErrorCodeInitialFrameSize))
FixSizedTypesCodec.EncodeInt(initialFrame.Content, ErrorHolderCodecErrorCodeFieldOffset, int32(errorHolder.ErrorCode))
clientMessage.AddFrame(initialFrame)
EncodeString(clientMessage, errorHolder.ClassName)
CodecUtil.EncodeNullableForString(clientMessage, errorHolder.Message)
EncodeListMultiFrameForStackTraceElement(clientMessage, errorHolder.StackTraceElements)
clientMessage.AddFrame(proto.EndFrame.Copy())
}
func DecodeErrorHolder(frameIterator *proto.ForwardFrameIterator) proto.ErrorHolder {
// begin frame
frameIterator.Next()
initialFrame := frameIterator.Next()
errorCode := FixSizedTypesCodec.DecodeInt(initialFrame.Content, ErrorHolderCodecErrorCodeFieldOffset)
className := DecodeString(frameIterator)
message := CodecUtil.DecodeNullableForString(frameIterator)
stackTraceElements := DecodeListMultiFrameForStackTraceElement(frameIterator)
CodecUtil.FastForwardToEndFrame(frameIterator)
return proto.NewErrorHolder(errorCode, className, message, stackTraceElements)
}