forked from hazelcast/hazelcast-go-client
-
Notifications
You must be signed in to change notification settings - Fork 0
/
class_definition_context.go
62 lines (54 loc) · 2.19 KB
/
class_definition_context.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
// Copyright (c) 2008-2018, 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 classdef
import (
"fmt"
"reflect"
"strconv"
"github.com/ahmetmircik/hazelcast-go-client/core"
"github.com/ahmetmircik/hazelcast-go-client/serialization"
)
type ClassDefinitionContext struct {
factoryID int32
classDefs map[string]serialization.ClassDefinition
}
func NewClassDefinitionContext(factoryID int32) *ClassDefinitionContext {
return &ClassDefinitionContext{factoryID, make(map[string]serialization.ClassDefinition)}
}
func (c *ClassDefinitionContext) LookUp(classID int32, version int32) serialization.ClassDefinition {
return c.classDefs[encodeVersionedClassID(classID, version)]
}
func (c *ClassDefinitionContext) Register(classDefinition serialization.ClassDefinition) (serialization.ClassDefinition, error) {
if classDefinition == nil {
return nil, nil
}
if classDefinition.FactoryID() != c.factoryID {
return nil, core.NewHazelcastSerializationError(fmt.Sprintf("this factory's id is %d, intended factory id is %d.",
c.factoryID, classDefinition.FactoryID()), nil)
}
classDefKey := encodeVersionedClassID(classDefinition.ClassID(), classDefinition.Version())
current := c.classDefs[classDefKey]
if current == nil {
c.classDefs[classDefKey] = classDefinition
return classDefinition, nil
}
if !reflect.DeepEqual(current, classDefinition) {
return nil, core.NewHazelcastSerializationError(fmt.Sprintf("incompatible class definition with same class id: %d",
classDefinition.ClassID()), nil)
}
return classDefinition, nil
}
func encodeVersionedClassID(classID int32, version int32) string {
return strconv.Itoa(int(classID)) + "v" + strconv.Itoa(int(version))
}