1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of NodalFlow. |
5
|
|
|
* (c) Fabrice de Stefanis / https://github.com/fab2s/NodalFlow |
6
|
|
|
* This source file is licensed under the MIT license which you will |
7
|
|
|
* find in the LICENSE file or at https://opensource.org/licenses/MIT |
8
|
|
|
*/ |
9
|
|
|
|
10
|
|
|
namespace fab2s\NodalFlow\Flows; |
11
|
|
|
|
12
|
|
|
use fab2s\NodalFlow\NodalFlowException; |
13
|
|
|
use fab2s\NodalFlow\Nodes\NodeInterface; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Abstract Class FlowAbstract |
17
|
|
|
*/ |
18
|
|
|
abstract class FlowAbstract implements FlowInterface |
19
|
|
|
{ |
20
|
|
|
use FlowIdTrait; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* The parent Flow, only set when branched |
24
|
|
|
* |
25
|
|
|
* @var FlowInterface |
26
|
|
|
*/ |
27
|
|
|
public $parent; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* Current Flow Status |
31
|
|
|
* |
32
|
|
|
* @var FlowStatusInterface |
33
|
|
|
*/ |
34
|
|
|
protected $flowStatus; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* The underlying node structure |
38
|
|
|
* |
39
|
|
|
* @var NodeInterface[] |
40
|
|
|
*/ |
41
|
|
|
protected $nodes = []; |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* @var FlowMapInterface |
45
|
|
|
*/ |
46
|
|
|
protected $flowMap; |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* Continue flag |
50
|
|
|
* |
51
|
|
|
* @var bool |
52
|
|
|
*/ |
53
|
|
|
protected $continue = false; |
54
|
|
|
|
55
|
|
|
/** |
56
|
|
|
* Break Flag |
57
|
|
|
* |
58
|
|
|
* @var bool |
59
|
|
|
*/ |
60
|
|
|
protected $break = false; |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* Progress modulo to apply |
64
|
|
|
* Set to x if you want to trigger |
65
|
|
|
* progress every x iterations in flow |
66
|
|
|
* |
67
|
|
|
* @var int |
68
|
|
|
*/ |
69
|
|
|
protected $progressMod = 1024; |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* @var string|bool |
73
|
|
|
*/ |
74
|
|
|
protected $interruptNodeId; |
75
|
|
|
|
76
|
|
|
/** |
77
|
|
|
* Get the stats array with latest Node stats |
78
|
|
|
* |
79
|
|
|
* @return array |
80
|
|
|
*/ |
81
|
|
|
public function getStats() |
82
|
|
|
{ |
83
|
|
|
return $this->flowMap->getStats(); |
84
|
|
|
} |
85
|
|
|
|
86
|
|
|
/** |
87
|
|
|
* Get the stats array with latest Node stats |
88
|
|
|
* |
89
|
|
|
* @return FlowMapInterface |
90
|
|
|
*/ |
91
|
|
|
public function getFlowMap() |
92
|
|
|
{ |
93
|
|
|
return $this->flowMap; |
94
|
|
|
} |
95
|
|
|
|
96
|
|
|
/** |
97
|
|
|
* Get the Node array |
98
|
|
|
* |
99
|
|
|
* @return NodeInterface[] |
100
|
|
|
*/ |
101
|
|
|
public function getNodes() |
102
|
|
|
{ |
103
|
|
|
return $this->nodes; |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
/** |
107
|
|
|
* Get/Generate Node Map |
108
|
|
|
* |
109
|
|
|
* @return array |
110
|
|
|
*/ |
111
|
|
|
public function getNodeMap() |
112
|
|
|
{ |
113
|
|
|
return $this->flowMap->getNodeMap(); |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
/** |
117
|
|
|
* Get current $progressMod |
118
|
|
|
* |
119
|
|
|
* @return int |
120
|
|
|
*/ |
121
|
|
|
public function getProgressMod() |
122
|
|
|
{ |
123
|
|
|
return $this->progressMod; |
124
|
|
|
} |
125
|
|
|
|
126
|
|
|
/** |
127
|
|
|
* The Flow status can either indicate be: |
128
|
|
|
* - clean (isClean()): everything went well |
129
|
|
|
* - dirty (isDirty()): one Node broke the flow |
130
|
|
|
* - exception (isException()): an exception was raised during the flow |
131
|
|
|
* |
132
|
|
|
* @return FlowStatusInterface |
133
|
|
|
*/ |
134
|
|
|
public function getFlowStatus() |
135
|
|
|
{ |
136
|
|
|
return $this->flowStatus; |
137
|
|
|
} |
138
|
|
|
|
139
|
|
|
/** |
140
|
|
|
* getId() alias for backward compatibility |
141
|
|
|
* |
142
|
|
|
* @deprecated use `getId` instead |
143
|
|
|
* |
144
|
|
|
* @return string |
145
|
|
|
*/ |
146
|
|
|
public function getFlowId() |
147
|
|
|
{ |
148
|
|
|
return $this->getId(); |
149
|
|
|
} |
150
|
|
|
|
151
|
|
|
/** |
152
|
|
|
* Set parent Flow, happens only when branched |
153
|
|
|
* |
154
|
|
|
* @param FlowInterface $flow |
155
|
|
|
* |
156
|
|
|
* @return $this |
157
|
|
|
*/ |
158
|
|
|
public function setParent(FlowInterface $flow) |
159
|
|
|
{ |
160
|
|
|
$this->parent = $flow; |
161
|
|
|
|
162
|
|
|
return $this; |
163
|
|
|
} |
164
|
|
|
|
165
|
|
|
/** |
166
|
|
|
* Get eventual parent Flow |
167
|
|
|
* |
168
|
|
|
* @return FlowInterface |
169
|
|
|
*/ |
170
|
|
|
public function getParent() |
171
|
|
|
{ |
172
|
|
|
return $this->parent; |
173
|
|
|
} |
174
|
|
|
|
175
|
|
|
/** |
176
|
|
|
* Tells if this flow has a parent |
177
|
|
|
* |
178
|
|
|
* @return bool |
179
|
|
|
*/ |
180
|
|
|
public function hasParent() |
181
|
|
|
{ |
182
|
|
|
return !empty($this->parent); |
183
|
|
|
} |
184
|
|
|
|
185
|
|
|
/** |
186
|
|
|
* Define the progress modulo, Progress Callback will be |
187
|
|
|
* triggered upon each iteration in the flow modulo $progressMod |
188
|
|
|
* |
189
|
|
|
* @param int $progressMod |
190
|
|
|
* |
191
|
|
|
* @return $this |
192
|
|
|
*/ |
193
|
|
|
public function setProgressMod($progressMod) |
194
|
|
|
{ |
195
|
|
|
$this->progressMod = max(1, (int) $progressMod); |
196
|
|
|
|
197
|
|
|
return $this; |
198
|
|
|
} |
199
|
|
|
|
200
|
|
|
/** |
201
|
|
|
* @param string $interruptType |
202
|
|
|
* @param InterrupterInterface|null $flowInterrupt |
203
|
|
|
* |
204
|
|
|
* @throws NodalFlowException |
205
|
|
|
* |
206
|
|
|
* @return $this |
207
|
|
|
*/ |
208
|
|
|
public function interruptFlow($interruptType, InterrupterInterface $flowInterrupt = null) |
209
|
|
|
{ |
210
|
|
|
switch ($interruptType) { |
211
|
|
|
case InterrupterInterface::TYPE_CONTINUE: |
212
|
|
|
$this->continue = true; |
213
|
|
|
$this->flowMap->incrementFlow('num_continue'); |
214
|
|
|
break; |
215
|
|
|
case InterrupterInterface::TYPE_BREAK: |
216
|
|
|
$this->flowStatus = new FlowStatus(FlowStatus::FLOW_DIRTY); |
217
|
|
|
$this->break = true; |
218
|
|
|
$this->flowMap->incrementFlow('num_break'); |
219
|
|
|
break; |
220
|
|
|
default: |
221
|
|
|
throw new NodalFlowException('FlowInterrupt Type missing'); |
222
|
|
|
} |
223
|
|
|
|
224
|
|
|
if ($flowInterrupt) { |
225
|
|
|
$flowInterrupt->setType($interruptType)->propagate($this); |
226
|
|
|
} |
227
|
|
|
|
228
|
|
|
return $this; |
229
|
|
|
} |
230
|
|
|
|
231
|
|
|
/** |
232
|
|
|
* Used to set the eventual Node Target of an Interrupt signal |
233
|
|
|
* set to : |
234
|
|
|
* - A node hash to target |
235
|
|
|
* - true to interrupt every upstream nodes |
236
|
|
|
* in this Flow |
237
|
|
|
* - false to only interrupt up to the first |
238
|
|
|
* upstream Traversable in this Flow |
239
|
|
|
* |
240
|
|
|
* @param string|bool $interruptNodeId |
241
|
|
|
* |
242
|
|
|
* @return $this |
243
|
|
|
*/ |
244
|
|
|
public function setInterruptNodeId($interruptNodeId) |
245
|
|
|
{ |
246
|
|
|
$this->interruptNodeId = $interruptNodeId; |
247
|
|
|
|
248
|
|
|
return $this; |
249
|
|
|
} |
250
|
|
|
|
251
|
|
|
/** |
252
|
|
|
* @param NodeInterface $node |
253
|
|
|
* |
254
|
|
|
* @return bool |
255
|
|
|
*/ |
256
|
|
|
protected function interruptNode(NodeInterface $node) |
257
|
|
|
{ |
258
|
|
|
// if we have an interruptNodeId, bubble up until we match a node |
259
|
|
|
// else stop propagation |
260
|
|
|
return $this->interruptNodeId ? $this->interruptNodeId !== $node->getId() : false; |
261
|
|
|
} |
262
|
|
|
} |
263
|
|
|
|