Helfer InterfaceSlots

Jan Burse, erstellt 17. Aug 2019
package jekpro.tools.proxy;
import jekpro.tools.term.AbstractTerm;
/**
* <p>The slots interface for a state-full proxy. The interface allows
* accessing and modifying the slots of a proxy instance. The slots
* are indexed starting with 1. The number of the slots is specified
* when creating the proxy instance.
* </p>
* <p>The methods at() and set_at() tolerate an index that is outside
* the range 1..size where size is the number of slots and indicate a
* failure. The method length() returns the size of the given proxy
* instance.
* </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
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* 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 InterfaceSlots {
/**
* <p>Retrieve the data.</p>
* <p>Will instantiate the template.</p>
*
* @param idx The index.
* @return The data.
*/
AbstractTerm at(int idx);
/**
* <p>Set the data.</p>
* <p>Will store a template.</p>
*
* @param idx The index.
* @param data The data.
*/
void set_at(int idx, AbstractTerm data);
/**
* <p>Retrieve the length.</p>
*
* @return The length.
*/
int length();
}

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