Mercurial > dive4elements > framework
annotate artifacts/src/main/java/org/dive4elements/artifacts/DataProvider.java @ 497:6eb9ce20ba8b
Added tag 3.0.13 for changeset 090f08a64b59
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Tue, 30 Jul 2013 19:15:48 +0200 |
parents | 415df0fc4fa1 |
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rev | line source |
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475
415df0fc4fa1
Fixed maven group ids
Sascha L. Teichmann <teichmann@intevation.de>
parents:
471
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1 package org.dive4elements.artifacts; |
352
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 /** |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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4 * 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
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5 * "I can or know X!"). |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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6 * |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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7 * 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
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8 * 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
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9 * itself. |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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10 * |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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11 * 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
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12 * 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
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13 */ |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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14 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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15 /** 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
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16 public void register(CallContext blackboard); |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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17 |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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18 /** 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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19 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
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20 } |
9c8d91708d28
Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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21 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |