6 |
## |
## |
7 |
## ---------------------------------------------------------------------------------------- |
## ---------------------------------------------------------------------------------------- |
8 |
## $Log$ |
## $Log$ |
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## Revision 1.4 2003/02/14 14:14:38 joko |
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## + new code refactored here |
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## |
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## Revision 1.3 2003/02/11 07:54:55 joko |
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## + modified module usage |
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## + debugging trials |
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## |
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## Revision 1.2 2003/02/09 05:05:58 joko |
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## + major structure changes |
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## - refactored code to sister modules |
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## + refactored code to this place |
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## |
21 |
## Revision 1.1 2003/01/20 16:58:46 joko |
## Revision 1.1 2003/01/20 16:58:46 joko |
22 |
## + initial check-in: here they are.... |
## + initial check-in: here they are.... |
23 |
## |
## |
37 |
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38 |
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - main |
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - main |
39 |
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# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
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40 |
use Data::Dumper; |
use Data::Dumper; |
41 |
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use Hash::Merge qw( merge ); |
42 |
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use libdb qw( hash2Sql ); |
43 |
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use Data::Transform::Deep qw( hash2object ); |
44 |
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45 |
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46 |
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# get logger instance |
47 |
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my $logger = Log::Dispatch::Config->instance; |
48 |
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49 |
# this is a shortcut method |
# this is a shortcut method |
50 |
# ... let's try to avoid _any_ redundant code in here (ok... - at the cost of method lookups...) |
# ... let's try to avoid _any_ redundant code in here (ok... - at the cost of method lookups...) |
51 |
sub _getNodeList { |
sub _getNodeList { |
52 |
my $self = shift; |
my $self = shift; |
53 |
my $descent = shift; |
my $descent = shift; |
54 |
my $filter = shift; |
my $filter = shift; |
55 |
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$logger->debug( __PACKAGE__ . "->_getNodeList( descent=$descent, accessorName=$self->{meta}->{$descent}->{accessorName} )" ); |
56 |
#$results ||= $self->{source}->getListUnfiltered($self->{meta}->{source}->{node}); |
#$results ||= $self->{source}->getListUnfiltered($self->{meta}->{source}->{node}); |
57 |
#$results ||= $self->{meta}->{source}->{storage}->getListUnfiltered($self->{meta}->{source}->{node}); |
#$results ||= $self->{meta}->{source}->{storage}->getListUnfiltered($self->{meta}->{source}->{node}); |
58 |
my $list = $self->{meta}->{$descent}->{storage}->getListFiltered($self->{meta}->{$descent}->{nodeName}, $filter); |
my $list = $self->{meta}->{$descent}->{storage}->getListFiltered($self->{meta}->{$descent}->{accessorName}, $filter); |
59 |
#print Dumper($list); |
#print Dumper($list); |
60 |
return $list; |
return $list; |
61 |
} |
} |
64 |
my $self = shift; |
my $self = shift; |
65 |
my $descent = shift; |
my $descent = shift; |
66 |
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|
67 |
#print Dumper($self->{node}->{$descent}); |
# trace |
68 |
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#print Dumper($self->{node}->{$descent}); |
69 |
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#print Dumper($self); |
70 |
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#exit; |
71 |
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72 |
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$logger->debug( __PACKAGE__ . "->_resolveNodeIdent( descent=$descent, accessorName=$self->{meta}->{$descent}->{accessorName} )" ); |
73 |
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|
74 |
# get to the payload |
# get to the payload |
75 |
#my $item = $specifier->{item}; |
#my $item = $specifier->{item}; |
80 |
#my $ident = $self->{$descent}->id($item); |
#my $ident = $self->{$descent}->id($item); |
81 |
#my $ident = $self->{meta}->{$descent}->{storage}->id($item); |
#my $ident = $self->{meta}->{$descent}->{storage}->id($item); |
82 |
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83 |
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# trace |
84 |
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#print Dumper($self->{meta}->{$descent}); |
85 |
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#exit; |
86 |
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87 |
my $ident; |
my $ident; |
88 |
my $provider_method = $self->{meta}->{$descent}->{IdentProvider}->{method}; |
my $provider_method = $self->{meta}->{$descent}->{IdentProvider}->{method}; |
89 |
my $provider_arg = $self->{meta}->{$descent}->{IdentProvider}->{arg}; |
my $provider_arg = $self->{meta}->{$descent}->{IdentProvider}->{arg}; |
90 |
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91 |
#print "provider_method: $provider_method", "\n"; |
# trace |
92 |
#print "provider_arg: $provider_arg", "\n"; |
#print "provider_method: $provider_method", "\n"; |
93 |
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#print "provider_arg: $provider_arg", "\n"; |
94 |
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#print Dumper($payload); |
95 |
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96 |
# resolve to ident |
# resolve to ident |
97 |
if (lc $provider_method eq 'property') { |
if (lc $provider_method eq 'property') { |
130 |
my $ident = shift; |
my $ident = shift; |
131 |
my $force = shift; |
my $force = shift; |
132 |
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133 |
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#$logger->debug( __PACKAGE__ . "->_statloadNode( descent=$descent ident=$ident )" ); |
134 |
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135 |
# fetch entry to retrieve checksum from |
# fetch entry to retrieve checksum from |
136 |
# was: |
# was: |
137 |
if (!$self->{node}->{$descent} || $force) { |
if (!$self->{node}->{$descent} || $force) { |
148 |
return; |
return; |
149 |
} |
} |
150 |
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151 |
#print "yai!", "\n"; |
#print Dumper($self->{meta}); |
152 |
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153 |
my $query = { |
my $query = { |
154 |
node => $self->{meta}->{$descent}->{nodeName}, |
node => $self->{meta}->{$descent}->{accessorName}, |
155 |
subnodes => [qw( cs )], |
subnodes => [qw( cs )], |
156 |
criterias => [ |
criterias => [ |
157 |
{ key => $self->{meta}->{$descent}->{IdentProvider}->{arg}, |
{ key => $self->{meta}->{$descent}->{IdentProvider}->{arg}, |
160 |
] |
] |
161 |
}; |
}; |
162 |
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163 |
print Dumper($query); |
# trace |
164 |
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#print "query:", "\n"; |
165 |
my $result = $self->{meta}->{$descent}->{storage}->sendQuery($query); |
#print Dumper($query); |
166 |
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167 |
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# send query and fetch first entry from result |
168 |
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my $result = $self->{meta}->{$descent}->{storage}->sendQuery($query); |
169 |
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my $entry = $result->getNextEntry(); |
170 |
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171 |
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# trace |
172 |
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#print Dumper($entry); |
173 |
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#print "pers: " . $self->{meta}->{$descent}->{storage}->is_persistent($entry), "\n"; |
174 |
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#my $state = $self->{meta}->{$descent}->{storage}->_fetch_object_state($entry, { name => 'TransactionHop' } ); |
175 |
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#print Dumper($state); |
176 |
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177 |
my $entry = $result->getNextEntry(); |
# be informed about the status of the query |
178 |
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my $status = $result->getStatus(); |
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#print Dumper($entry); |
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#print "pers: " . $self->{meta}->{$descent}->{storage}->is_persistent($entry), "\n"; |
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#my $state = $self->{meta}->{$descent}->{storage}->_fetch_object_state($entry, { name => 'TransactionHop' } ); |
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#print Dumper($state); |
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my $status = $result->getStatus(); |
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179 |
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180 |
#print Dumper($status); |
#print Dumper($status); |
181 |
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216 |
} |
} |
217 |
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218 |
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219 |
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sub _touchNodeSet { |
220 |
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my $self = shift; |
221 |
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222 |
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$logger->debug( __PACKAGE__ . "->touchNodeSet" ); |
223 |
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224 |
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# check descents/nodes: does descent exist / is node available? |
225 |
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foreach my $descent (keys %{$self->{meta}}) { |
226 |
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227 |
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# 1. check metadata of descent(s) |
228 |
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if (!$self->{meta}->{$descent}) { |
229 |
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$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not find descent '$descent' in configuration metadata." ); |
230 |
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next; |
231 |
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} |
232 |
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233 |
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# 2. check storage handle(s) |
234 |
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my $dbkey = $self->{meta}->{$descent}->{dbKey}; |
235 |
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if (!$self->{meta}->{$descent}->{storage}) { |
236 |
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$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not access storage ( descent='$descent', dbKey='$dbkey' ) - configuration-error?" ); |
237 |
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next; |
238 |
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} |
239 |
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240 |
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# 3. check if descents (and nodes?) are actually available.... |
241 |
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# TODO: |
242 |
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# eventually pre-check mode of access-attempt (read/write) here to provide an "early-croak" if possible |
243 |
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244 |
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# trace |
245 |
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# print Dumper($self->{meta}->{$descent}->{storage}->{locator}); |
246 |
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247 |
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248 |
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my $dbType = $self->{meta}->{$descent}->{storage}->{locator}->{type}; |
249 |
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my $nodeName = $self->{meta}->{$descent}->{nodeName}; |
250 |
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my $accessorType = $self->{meta}->{$descent}->{accessorType}; |
251 |
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my $accessorName = $self->{meta}->{$descent}->{accessorName}; |
252 |
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253 |
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254 |
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# 4. check nodeset |
255 |
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256 |
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# debug message containing database type and used/determined accessor name |
257 |
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$logger->debug( __PACKAGE__ . "->touchNodeSet: Accessing dbType=$dbType, accessorName=$accessorName" ); |
258 |
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259 |
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# if target node(s) do(es) not exist, check if we should create it automagically |
260 |
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if ($dbType ne 'DBI' && !$self->{meta}->{$descent}->{storage}->existsChildNode($accessorName)) { |
261 |
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262 |
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if ($descent eq 'target' && $self->{options}->{target}->{autocreateFolders}) { |
263 |
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if (!$self->{meta}->{$descent}->{storage}->createChildNode($accessorName)) { |
264 |
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$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not create node '$self->{meta}->{$descent}->{nodeName}\@$self->{meta}->{$descent}->{dbKey}' [$self->{meta}->{$descent}->{nodeType}]." ); |
265 |
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next; |
266 |
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} |
267 |
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} else { |
268 |
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$logger->critical( __PACKAGE__ . "->touchNodeSet: Could not reach node \"$nodeName\" (accessorName=$accessorName, accessorType=$accessorType) at descent \"$descent\"" ); |
269 |
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next; |
270 |
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} |
271 |
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} |
272 |
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273 |
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} |
274 |
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275 |
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# trace |
276 |
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#print Dumper($self->{meta}); |
277 |
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#exit; |
278 |
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279 |
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280 |
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return 1; |
281 |
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282 |
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} |
283 |
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284 |
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285 |
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286 |
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sub _modifyNode { |
287 |
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my $self = shift; |
288 |
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my $descent = shift; |
289 |
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my $action = shift; |
290 |
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my $map = shift; |
291 |
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my $crit = shift; |
292 |
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293 |
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# map for new style callbacks |
294 |
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my $map_callbacks = {}; |
295 |
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296 |
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# checks go first! |
297 |
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298 |
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# TODO: this should be reviewed first - before extending ;-) |
299 |
|
# TODO: this should be extended: |
300 |
|
# count this cases inside the caller to this sub and provide a better overall message |
301 |
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# if this counts still zero in the end: |
302 |
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# "No nodes have been touched for modify: Do you have column-headers in your csv file?" |
303 |
|
if (not defined $self->{node}) { |
304 |
|
#$logger->critical( __PACKAGE__ . "->_modifyNode failed: \"$descent\" node is empty." ); |
305 |
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#return; |
306 |
|
} |
307 |
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|
308 |
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# transfer callback nodes from value map to callback map - handle them afterwards! - (new style callbacks) |
309 |
|
if (my $callbacks = $self->{meta}->{$descent}->{Callback}) { |
310 |
|
foreach my $callback (keys %{$callbacks->{write}}) { |
311 |
|
$map_callbacks->{write}->{$callback} = $map->{$callback}; |
312 |
|
delete $map->{$callback}; |
313 |
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} |
314 |
|
} |
315 |
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|
316 |
|
|
317 |
|
# trace |
318 |
|
#print Dumper($self->{meta}); |
319 |
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|
320 |
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|
321 |
|
# -------------------------------------------------------------------------- |
322 |
|
# DBI speaks SQL |
323 |
|
if ($self->{meta}->{$descent}->{storage}->{locator}->{type} eq 'DBI') { |
324 |
|
|
325 |
|
# trace |
326 |
|
#print Dumper($map); |
327 |
|
#delete $map->{cs}; |
328 |
|
|
329 |
|
# transfer data |
330 |
|
# TODO: wrap this around '$storageHandle->sendQuery(...)'!? |
331 |
|
my $sql_main; |
332 |
|
if (lc($action) eq 'insert') { |
333 |
|
$sql_main = hash2Sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_INSERT'); |
334 |
|
} elsif (lc $action eq 'update') { |
335 |
|
$crit ||= "$self->{meta}->{$descent}->{IdentProvider}->{arg}='$self->{node}->{$descent}->{ident}'"; |
336 |
|
$sql_main = hash2Sql($self->{meta}->{$descent}->{accessorName}, $map, 'SQL_UPDATE', $crit); |
337 |
|
} |
338 |
|
my $sqlHandle = $self->{meta}->{$descent}->{storage}->sendCommand($sql_main); |
339 |
|
|
340 |
|
# handle errors |
341 |
|
if ($sqlHandle->err) { |
342 |
|
#if ($self->{args}->{debug}) { print "sql-error with statement: $sql_main", "\n"; } |
343 |
|
$self->{node}->{status}->{error} = { |
344 |
|
statement => $sql_main, |
345 |
|
state => $sqlHandle->state, |
346 |
|
err => $sqlHandle->err, |
347 |
|
errstr => $sqlHandle->errstr, |
348 |
|
}; |
349 |
|
} else { |
350 |
|
$self->{node}->{status}->{ok} = 1; |
351 |
|
} |
352 |
|
|
353 |
|
|
354 |
|
# -------------------------------------------------------------------------- |
355 |
|
# Tangram does it the oo-way (naturally) |
356 |
|
} elsif ($self->{meta}->{$descent}->{storage}->{locator}->{type} eq 'Tangram') { |
357 |
|
my $sql_main; |
358 |
|
my $object; |
359 |
|
|
360 |
|
# determine classname |
361 |
|
my $classname = $self->{meta}->{$descent}->{nodeType}; |
362 |
|
|
363 |
|
# attributes/properties to exclude |
364 |
|
# push declared ones from metadata |
365 |
|
my @exclude = @{$self->{meta}->{$descent}->{subnodes_exclude}}; |
366 |
|
# push the attributes associated with the identifier |
367 |
|
if (my $identProvider = $self->{meta}->{$descent}->{IdentProvider}) { |
368 |
|
push @exclude, $identProvider->{arg}; |
369 |
|
} |
370 |
|
|
371 |
|
# trace |
372 |
|
#print Dumper($self->{meta}); |
373 |
|
#exit; |
374 |
|
|
375 |
|
# new feature: |
376 |
|
# - check TypeProvider metadata property from other side |
377 |
|
# - use argument (arg) inside as a classname for object creation on this side |
378 |
|
#my $otherSide = $self->_otherSide($descent); |
379 |
|
if (my $typeProvider = $self->{meta}->{$descent}->{TypeProvider}) { |
380 |
|
#print Dumper($map); |
381 |
|
$classname = $map->{$typeProvider->{arg}}; |
382 |
|
# remove nodes from map also (push nodes to "subnodes_exclude" list) |
383 |
|
push @exclude, $typeProvider->{arg}; |
384 |
|
} |
385 |
|
|
386 |
|
# exclude banned properties (remove from map) |
387 |
|
#map { delete $self->{node}->{map}->{$_} } @{$self->{args}->{exclude}}; |
388 |
|
map { delete $map->{$_} } @exclude; |
389 |
|
|
390 |
|
# list of properties |
391 |
|
my @props = keys %{$map}; |
392 |
|
|
393 |
|
# transfer data |
394 |
|
if (lc $action eq 'insert') { |
395 |
|
|
396 |
|
# make the object persistent in four steps: |
397 |
|
# - raw create (perl / class tangram scope) |
398 |
|
# - orm insert (tangram scope) ... this establishes inheritance - don't try to fill in inherited properties before! |
399 |
|
# is this a Tangram bug? |
400 |
|
# - raw fill-in from hash (perl scope) |
401 |
|
# - orm update (tangram scope) ... this updates all properties just filled in |
402 |
|
|
403 |
|
|
404 |
|
# ========================== |
405 |
|
# TODO: REVIEW HERE!!! |
406 |
|
# can't we achieve this more elegant? |
407 |
|
# o use DesignPattern::Object??? |
408 |
|
# o use Hash::Merge!!! (take care about the cloning behaviour) |
409 |
|
|
410 |
|
# check if object exists (is classname a valid perl package/module?) |
411 |
|
|
412 |
|
# we can just check if the classname is valid here |
413 |
|
if (!$classname) { |
414 |
|
$logger->critical( __PACKAGE__ . "->_modifyNode: classname is undefined" ); |
415 |
|
# FIXME: stop syncing here? |
416 |
|
return; |
417 |
|
} |
418 |
|
|
419 |
|
# try to match against the classes known by Class::Tangram |
420 |
|
# FIXME: do "/i" on win32 only! |
421 |
|
my $classname_find = quotemeta($classname); |
422 |
|
if (!grep(m/$classname_find/i, Class::Tangram::known_classes())) { |
423 |
|
$logger->critical( __PACKAGE__ . "->_modifyNode: Classname '$classname' is not known by Class::Tangram" ); |
424 |
|
# FIXME: stop syncing here? |
425 |
|
return; |
426 |
|
} |
427 |
|
|
428 |
|
# create new object ... |
429 |
|
# V1 |
430 |
|
# build array to initialize object |
431 |
|
#my @initarray = (); |
432 |
|
#map { push @initarray, $_, undef; } @props; |
433 |
|
#my $object = $classname->new( @initarray ); |
434 |
|
# V2 |
435 |
|
$object = $classname->new(); |
436 |
|
# V3 |
437 |
|
# $object = DesignPattern::Object->new($data); |
438 |
|
|
439 |
|
# ... pass to orm first ... |
440 |
|
$self->{meta}->{$descent}->{storage}->insert($object); |
441 |
|
|
442 |
|
# ... and initialize with empty (undef'd) properties afterwards. |
443 |
|
map { $object->{$_} = undef; } @props; |
444 |
|
|
445 |
|
# trace |
446 |
|
#print "\n"; |
447 |
|
#print Dumper($map); |
448 |
|
#print Dumper($object); |
449 |
|
#exit; |
450 |
|
|
451 |
|
# mix in (merge) values ... |
452 |
|
# TODO: use Hash::Merge here? benchmark! |
453 |
|
# no! we'd need a Object::Merge here! it's *...2object* |
454 |
|
hash2object($object, $map); |
455 |
|
|
456 |
|
# trace |
457 |
|
#print Dumper($object); |
458 |
|
#exit; |
459 |
|
|
460 |
|
# TODO: REVIEW HERE!!! |
461 |
|
# ========================== |
462 |
|
|
463 |
|
# ... and re-update@orm. |
464 |
|
$self->{meta}->{$descent}->{storage}->update($object); |
465 |
|
|
466 |
|
# asymmetry: get ident after insert |
467 |
|
# TODO: |
468 |
|
# - just do this if it is an IdentAuthority |
469 |
|
# - use IdentProvider metadata here |
470 |
|
#print Dumper($self->{meta}->{$descent}); |
471 |
|
my $oid = $self->{meta}->{$descent}->{storage}->id($object); |
472 |
|
#print "oid: $oid", "\n"; |
473 |
|
$self->{node}->{$descent}->{ident} = $oid; |
474 |
|
|
475 |
|
|
476 |
|
} elsif (lc $action eq 'update') { |
477 |
|
|
478 |
|
# get fresh object from orm first |
479 |
|
$object = $self->{meta}->{$descent}->{storage}->load($self->{node}->{$descent}->{ident}); |
480 |
|
|
481 |
|
#print Dumper($self->{node}); |
482 |
|
|
483 |
|
# mix in values |
484 |
|
#print Dumper($object); |
485 |
|
# TODO: use Hash::Merge here??? |
486 |
|
hash2object($object, $map); |
487 |
|
#print Dumper($object); |
488 |
|
#exit; |
489 |
|
|
490 |
|
# update orm |
491 |
|
$self->{meta}->{$descent}->{storage}->update($object); |
492 |
|
|
493 |
|
} |
494 |
|
|
495 |
|
#exit; |
496 |
|
|
497 |
|
my $error = 0; |
498 |
|
|
499 |
|
# handle new style callbacks - this is a HACK - do this without an eval! |
500 |
|
#print Dumper($map); |
501 |
|
#print "cb: ", Dumper($self->{meta}->{$descent}->{Callback}); |
502 |
|
#print Dumper($map_callbacks); |
503 |
|
foreach my $node (keys %{$map_callbacks->{write}}) { |
504 |
|
#print Dumper($node); |
505 |
|
|
506 |
|
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
507 |
|
my $perl_callback = $self->{meta}->{$descent}->{nodeType} . '::' . $node . '_write'; |
508 |
|
my $evalstring = $perl_callback . '( { object => $object, value => $map_callbacks->{write}->{$node}, storage => $self->{meta}->{$descent}->{storage} } );'; |
509 |
|
#print $evalstring, "\n"; exit; |
510 |
|
eval($evalstring); |
511 |
|
if ($@) { |
512 |
|
$error = 1; |
513 |
|
$logger->error( __PACKAGE__ . "->_modifyNode: $@" ); |
514 |
|
next; |
515 |
|
} |
516 |
|
# ------------ half-redundant: make $self->callCallback($object, $value, $opts) |
517 |
|
|
518 |
|
#print "after eval", "\n"; |
519 |
|
|
520 |
|
if (!$error) { |
521 |
|
# re-update@orm |
522 |
|
$self->{meta}->{$descent}->{storage}->update($object); |
523 |
|
} |
524 |
|
} |
525 |
|
|
526 |
|
# handle errors |
527 |
|
if ($error) { |
528 |
|
#print "error", "\n"; |
529 |
|
=pod |
530 |
|
my $sqlHandle; |
531 |
|
#if ($self->{args}->{debug}) { print "sql-error with statement: $sql_main", "\n"; } |
532 |
|
$self->{node}->{status}->{error} = { |
533 |
|
statement => $sql_main, |
534 |
|
state => $sqlHandle->state, |
535 |
|
err => $sqlHandle->err, |
536 |
|
errstr => $sqlHandle->errstr, |
537 |
|
}; |
538 |
|
=cut |
539 |
|
# rollback.... |
540 |
|
#print "rollback", "\n"; |
541 |
|
$self->{meta}->{$descent}->{storage}->erase($object); |
542 |
|
#print "after rollback", "\n"; |
543 |
|
} else { |
544 |
|
$self->{node}->{status}->{ok} = 1; |
545 |
|
} |
546 |
|
|
547 |
|
} |
548 |
|
|
549 |
|
} |
550 |
|
|
551 |
|
sub _erase_all { |
552 |
|
my $self = shift; |
553 |
|
my $descent = shift; |
554 |
|
#my $node = shift; |
555 |
|
#print Dumper($self->{meta}->{$descent}); |
556 |
|
#my $node = $self->{meta}->{$descent}->{nodeName}; |
557 |
|
my $node = $self->{meta}->{$descent}->{accessorName}; |
558 |
|
$logger->debug( __PACKAGE__ . "->_erase_all( node $node )" ); |
559 |
|
$self->{meta}->{$descent}->{storage}->eraseAll($node); |
560 |
|
} |
561 |
|
|
562 |
1; |
1; |
563 |
|
__END__ |