Mercurial > dive4elements > framework
view artifacts/src/main/java/org/dive4elements/artifacts/DataProvider.java @ 585:0960b825516a 3.2.x tip
Ensure the build does not fail due to non-ASCII characters
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 15 Nov 2023 10:34:52 +0100 |
parents | 415df0fc4fa1 |
children |
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package org.dive4elements.artifacts; /** * DataProviders register on a Blackboard with a key (basically shouting * "I can or know X!"). * * Consumers look at the blackboard and then consume data from these * DataProvider, passing them (optional) parameterization and the blackboard * itself. * * Through the blackboard-passing-when-consuming, also recursive patterns can * be modelled (but take care, there is no in-built cycle detection). */ public interface DataProvider { /** Register this DataProvider on a blackboard under a key. */ public void register(CallContext blackboard); /** Provide data, given parameterization and a "blackboard". */ public Object provideData(Object key, Object param, CallContext context); } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :