Mercurial > dive4elements > framework
annotate artifacts/src/main/java/de/intevation/artifacts/DataProvider.java @ 387:111d4e28c45e
Added method to create a document from string to XMLUtils.
artifacts/trunk@4352 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Mon, 07 May 2012 13:30:08 +0000 |
parents | 9c8d91708d28 |
children | ab3900303f25 |
rev | line source |
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352
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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1 package de.intevation.artifacts; |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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2 |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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3 import de.intevation.artifacts.CallContext; |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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4 |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
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5 /** |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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6 * DataProviders register on a Blackboard with a key (basically shouting |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
7 * "I can or know X!"). |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
8 * |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
9 * Consumers look at the blackboard and then consume data from these |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
10 * DataProvider, passing them (optional) parameterization and the blackboard |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
11 * itself. |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
12 * |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
13 * Through the blackboard-passing-when-consuming, also recursive patterns can |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
14 * be modelled (but take care, there is no in-built cycle detection). |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
15 */ |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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16 public interface DataProvider { |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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17 /** Register this DataProvider on a blackboard under a key. */ |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
18 public void register(CallContext blackboard); |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
19 |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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20 /** Provide data, given parameterization and a "blackboard". */ |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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21 public Object provideData(Object key, Object param, CallContext context); |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
22 } |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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23 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |