Helper InterfaceReference

Jan Burse, created Mar 09. 2019
package jekpro.frequent.experiment;
import jekpro.model.inter.Engine;
import jekpro.model.molec.EngineMessage;
/**
* <p>Base class for internal database references.</p>
* <p/>
* Warranty & Liability
* To the extent permitted by applicable law and unless explicitly
* otherwise agreed upon, XLOG Technologies GmbH makes no warranties
* regarding the provided information. XLOG Technologies GmbH assumes
* no liability that any problems might be solved with the information
* provided by XLOG Technologies GmbH.
* <p/>
* Rights & License
* All industrial property rights regarding the information - copyright
* and patent rights in particular - are the sole property of XLOG
* Technologies GmbH. If the company was not the originator of some
* excerpts, XLOG Technologies GmbH has at least obtained the right to
* reproduce, change and translate the information.
* <p/>
* Reproduction is restricted to the whole unaltered document. Reproduction
* of the information is only allowed for non-commercial uses. Selling,
* giving away or letting of the execution of the library is prohibited.
* The library can be distributed as part of your applications and libraries
* for execution provided this comment remains unchanged.
* <p/>
* Restrictions
* Only to be distributed with programs that add significant and primary
* functionality to the library. Not to be distributed with additional
* software intended to replace any components of the library.
* <p/>
* Trademarks
* Jekejeke is a registered trademark of XLOG Technologies GmbH.
*/
public interface InterfaceReference {
/**
* <p>Assert this reference.</p>
*
* @param flags The flags.
* @param en The engine.
* @return True if the reference was asserted, otherwise false.
* @throws EngineMessage Shit happens.
*/
boolean assertRef(int flags, Engine en)
throws EngineMessage;
/**
* <p>Retract this reference.</p>
*
* @param en The engine.
* @return True if the reference was retracted, otherwise false.
* @throws EngineMessage Shit happens.
*/
boolean retractRef(Engine en)
throws EngineMessage;
/**
* <p>Clause this reference.</p>
* <p>The result is returned in the skeleton and display.</p>
*
* @param en The engine.
* @throws EngineMessage Shit happens.
*/
void clauseRef(Engine en)
throws EngineMessage;
}

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