Mercurial > dive4elements > framework

annotate artifacts/src/main/java/de/intevation/artifacts/DataProvider.java @ 408:7cdd63310d5c

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Extend user interfaces to handle account information artifacts/trunk@5244 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Thu, 23 Aug 2012 13:39:30 +0000
parents ab3900303f25
children
rev   line source
352
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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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:
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2
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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3 /**
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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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:
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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:
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6 *
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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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:
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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:
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9 * itself.
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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10 *
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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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:
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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:
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13 */
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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14 public interface DataProvider {
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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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:
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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:
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17
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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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:
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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:
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20 }
9c8d91708d28 Added DataProvider interface (interface for inter-facet communication).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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21 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org