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batch_command_reflect.go
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batch_command_reflect.go
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// +build !as_performance
// Copyright 2013-2019 Aerospike, Inc.
//
// 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 aerospike
import (
"reflect"
Buffer "github.com/aerospike/aerospike-client-go/utils/buffer"
)
// this function will only be set if the performance flag is not passed for build
func init() {
multiObjectParser = batchParseObject
prepareReflectionData = concretePrepareReflectionData
}
func concretePrepareReflectionData(cmd *baseMultiCommand) {
// if a channel is assigned, assign its value type
if cmd.recordset != nil && !cmd.recordset.objChan.IsNil() {
// this channel must be of type chan *T
cmd.resObjType = cmd.recordset.objChan.Type().Elem().Elem()
cmd.resObjMappings = objectMappings.getMapping(cmd.recordset.objChan.Type().Elem().Elem())
cmd.selectCases = []reflect.SelectCase{
{Dir: reflect.SelectSend, Chan: cmd.recordset.objChan},
{Dir: reflect.SelectRecv, Chan: reflect.ValueOf(cmd.recordset.cancelled)},
}
}
}
func batchParseObject(
cmd *baseMultiCommand,
obj reflect.Value,
opCount int,
fieldCount int,
generation uint32,
expiration uint32,
) error {
supportsFloat := cmd.node.cluster.supportsFloat.Get()
for i := 0; i < opCount; i++ {
if err := cmd.readBytes(8); err != nil {
err = newNodeError(cmd.node, err)
return err
}
opSize := int(Buffer.BytesToUint32(cmd.dataBuffer, 0))
particleType := int(cmd.dataBuffer[5])
nameSize := int(cmd.dataBuffer[7])
if err := cmd.readBytes(nameSize); err != nil {
err = newNodeError(cmd.node, err)
return err
}
name := string(cmd.dataBuffer[:nameSize])
particleBytesSize := opSize - (4 + nameSize)
if err := cmd.readBytes(particleBytesSize); err != nil {
err = newNodeError(cmd.node, err)
return err
}
value, err := bytesToParticle(particleType, cmd.dataBuffer, 0, particleBytesSize)
if err != nil {
err = newNodeError(cmd.node, err)
return err
}
iobj := indirect(obj)
if err := setObjectField(cmd.resObjMappings, iobj, name, value, supportsFloat); err != nil {
return err
}
}
return nil
}