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packer_reflect.go
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packer_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 (
"fmt"
"reflect"
)
func init() {
packObjectReflect = concretePackObjectReflect
}
func concretePackObjectReflect(cmd BufferEx, obj interface{}, mapKey bool) (int, error) {
// check for array and map
rv := reflect.ValueOf(obj)
switch reflect.TypeOf(obj).Kind() {
case reflect.Array, reflect.Slice:
if mapKey && reflect.TypeOf(obj).Kind() == reflect.Slice {
panic(fmt.Sprintf("Maps, Slices, and bounded arrays other than Bounded Byte Arrays are not supported as Map keys. Value: %#v", obj))
}
// pack bounded array of bytes differently
if reflect.TypeOf(obj).Kind() == reflect.Array && reflect.TypeOf(obj).Elem().Kind() == reflect.Uint8 {
l := rv.Len()
arr := make([]byte, l)
for i := 0; i < l; i++ {
arr[i] = rv.Index(i).Interface().(uint8)
}
return packBytes(cmd, arr)
}
l := rv.Len()
arr := make([]interface{}, l)
for i := 0; i < l; i++ {
arr[i] = rv.Index(i).Interface()
}
return packIfcList(cmd, arr)
case reflect.Map:
if mapKey {
panic(fmt.Sprintf("Maps, Slices, and bounded arrays other than Bounded Byte Arrays are not supported as Map keys. Value: %#v", obj))
}
l := rv.Len()
amap := make(map[interface{}]interface{}, l)
for _, i := range rv.MapKeys() {
amap[i.Interface()] = rv.MapIndex(i).Interface()
}
return packIfcMap(cmd, amap)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return packObject(cmd, rv.Int(), false)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return packObject(cmd, rv.Uint(), false)
case reflect.Bool:
return packObject(cmd, rv.Bool(), false)
case reflect.String:
return packObject(cmd, rv.String(), false)
case reflect.Float32, reflect.Float64:
return packObject(cmd, rv.Float(), false)
}
panic(fmt.Sprintf("Type `%#v` not supported to pack.", obj))
}