-
Notifications
You must be signed in to change notification settings - Fork 21
/
workunitlist.go
160 lines (130 loc) · 3.1 KB
/
workunitlist.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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
package core
import (
"fmt"
)
type WorkunitList struct {
RWMutex `bson:"-" json:"-"`
_map map[Workunit_Unique_Identifier]bool `json:"-"`
Data []string `json:"data"`
}
func NewWorkunitList() *WorkunitList {
return &WorkunitList{_map: make(map[Workunit_Unique_Identifier]bool)}
}
func (this *WorkunitList) Init(name string) {
this.RWMutex.Init(name)
if this._map == nil {
this._map = make(map[Workunit_Unique_Identifier]bool)
}
if this.Data == nil {
this.Data = []string{}
}
}
// lock always
func (cl *WorkunitList) Add(workid Workunit_Unique_Identifier) (err error) {
err = cl.LockNamed("Add")
if err != nil {
return
}
defer cl.Unlock()
cl._map[workid] = true
cl.sync()
return
}
func (cl *WorkunitList) Length(lock bool) (clength int, err error) {
if lock {
read_lock, xerr := cl.RLockNamed("Length")
if xerr != nil {
err = xerr
return
}
defer cl.RUnlockNamed(read_lock)
}
clength = len(cl.Data)
return
}
func (cl *WorkunitList) Delete(workid Workunit_Unique_Identifier, write_lock bool) (err error) {
if write_lock {
err = cl.LockNamed("Delete")
defer cl.Unlock()
}
delete(cl._map, workid)
cl.sync()
return
}
func (cl *WorkunitList) Delete_all(workid string, write_lock bool) (err error) {
if write_lock {
err = cl.LockNamed("Delete_all")
defer cl.Unlock()
}
cl._map = make(map[Workunit_Unique_Identifier]bool)
cl.sync()
return
}
func (cl *WorkunitList) Has(workid Workunit_Unique_Identifier) (ok bool, err error) {
err = cl.LockNamed("Has")
defer cl.Unlock()
_, ok = cl._map[workid]
return
}
func (cl *WorkunitList) Get_list(do_read_lock bool) (assigned_work_ids []Workunit_Unique_Identifier, err error) {
if do_read_lock {
read_lock, xerr := cl.RLockNamed("Get_list")
if xerr != nil {
err = xerr
return
}
defer cl.RUnlockNamed(read_lock)
}
assigned_work_ids = []Workunit_Unique_Identifier{}
for id, _ := range cl._map {
assigned_work_ids = append(assigned_work_ids, id)
}
return
}
func (cl *WorkunitList) Get_string_list(do_read_lock bool) (work_ids []string, err error) {
work_ids = []string{}
if do_read_lock {
read_lock, xerr := cl.RLockNamed("Get_string_list")
if xerr != nil {
err = xerr
return
}
defer cl.RUnlockNamed(read_lock)
}
for id, _ := range cl._map {
var work_str string
work_str, err = id.String()
if err != nil {
err = fmt.Errorf("(Get_string_list) id.String() returned: %s", err.Error())
return
}
work_ids = append(work_ids, work_str)
}
return
}
func (cl *WorkunitList) sync() (err error) {
cl.Data = []string{}
for id, _ := range cl._map {
var work_str string
work_str, err = id.String()
if err != nil {
err = fmt.Errorf("(sync) workid.String() returned: %s", err.Error())
return
}
//id_string := id.String()
cl.Data = append(cl.Data, work_str)
}
return
}
// opposite of sync; take Data entries and copy them into map
func (cl *WorkunitList) FillMap() (err error) {
for _, id_str := range cl.Data {
id, xerr := New_Workunit_Unique_Identifier_FromString(id_str)
if xerr != nil {
err = xerr
return
}
cl._map[id] = true
}
return
}