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
161
162
163
|
<?php
interface SIMPLEDataFilter {
public function Start(&$data);
public function ProcessVector(&$data, &$time, &$values);
}
abstract class BASEDataFilter implements SIMPLEDataFilter {
function Start(&$data) { }
}
require($ADEI_ROOTDIR . "/classes/filters/nullcorrector.php");
class DATAFilter {
var $resample;
var $limit;
var $mask;
var $details;
var $filters;
function __construct(MASK $mask = NULL, $resample = 0, $limit = 0) {
$this->filters = array();
$this->resample = $resample;
$this->limit = $limit;
$this->properties = array();
if (($mask)&&($mask->ids)) $this->mask = $mask;
else $this->mask = NULL;
}
function AddFilter(SIMPLEDataFilter $filter) {
array_push($this->filters, $filter);
}
function AddReaderFilters(READER $rdr, LOGGROUP $grp = NULL, array $filters) {
global $ADEI;
foreach ($filters as $filter => &$opts) {
if (($opts)&&(isset($opts['class']))) $filter = $opts['class'];
$ADEI->RequireClass("filters/" . strtolower($filter), true);
if (class_exists("READER_$filter")) {
$filter_class = "READER_$filter";
$this->AddFilter(new $filter_class($rdr, $grp, $this, $opts));
} else {
$filter_class = "$filter";
$this->AddFilter(new $filter_class($opts));
}
}
}
function SetProperty($property, $value) {
$this->properties[$property] = $value;
}
function GetProperty($property) {
return $this->properties[$property];
}
function GetSamplingRate() {
return $this->resample;
}
function GetVectorsLimit() {
return $this->limit;
}
function GetItemMask() {
return $this->mask;
}
function MaskVector(&$data, &$time, &$values) {
if (isset($data['masked'])) return;
$mask = $this->GetItemMask();
if ($mask) {
$masked = array();
foreach ($mask->ids as $id)
array_push($masked, $values[$id]);
$values = $masked;
$data['masked'] = true;
}
}
function RealProcessVector(&$data, &$time, &$values, $auto_mask) {
if (!$opts) $opts = array();
foreach ($this->filters as $filter) {
if ($filter->ProcessVector($data, $time, $values)) return true;
}
if ($auto_mask) $this->MaskVector($data, $time, $values);
return false;
}
function ProcessVector($data, &$time, &$values, $auto_mask = true) {
return $this->RealProcessVector($data, $time, $values, $auto_mask);
}
function RealStart(&$data) {
foreach ($this->filters as $filter) {
$filter->Start($data);
}
}
function Start($data) {
$this->RealStart($data);
}
function Process(Iterator $real_data, $filter_data) {
/*
// DS: No dynamic masking
if ($filter_data['masked']) {
$filter_data['mask'] = $this->GetItemMask();
}
*/
return new FILTERData($real_data, $this, $filter_data);
}
}
class SUPERDataFilter extends DATAFilter {
var $filter;
function __construct(DATAFilter $sub_filter, READER $rdr, LOGGROUP $grp, array $filters = NULL, MASK $mask = NULL, $resample = 0, $limit = 0) {
parent::__construct($mask, $resample, $limit);
$this->filter = $sub_filter;
}
function GetSamplingRate() {
if ($this->resample) return $this->resample;
return $this->filter->GetSamplingRate();
}
function GetVectorsLimit() {
if ($this->limit) return $this->limit;
return $this->filter->GetVectorsLimit();
}
function GetItemMask() {
if ($this->mask) return $this->mask;
return $this->filter->GetItemMask();
}
function ProcessVector($data, &$time, &$values, $auto_mask = true) {
if (parent::RealProcessVector($data, $time, $values, false)) return true;
if ($this->filter->RealProcessVector($data, $time, $values, false)) return true;
if ($auto_mask) $this->MaskVector($data, $time, $values);
return false;
}
function Start($data) {
parent::RealStart($data);
$this->filter->RealStart($data);
}
}
?>
|