Helfer FlagForward

Jan Burse, erstellt 23. Apr 2019
package jekmin.model.builtin;
import jekpro.model.builtin.AbstractFlag;
import jekpro.model.inter.Engine;
import jekpro.model.inter.Supervisor;
import jekpro.model.molec.Display;
import jekpro.model.molec.EngineMessage;
import matula.util.data.MapHash;
/**
* <p>Capability flags.</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 final class FlagForward extends AbstractFlag<Engine> {
public static final MapHash<String, AbstractFlag<Engine>> DEFAULT
= new MapHash<String, AbstractFlag<Engine>>();
final static String OP_FLAG_SYS_VERIFY = "sys_verify";
private static final int FLAG_SYS_VERIFY = 0;
static {
DEFAULT.add(OP_FLAG_SYS_VERIFY, new FlagForward(FLAG_SYS_VERIFY));
}
/**
* <p>Create a flag.</p>
*
* @param i The id of the flag.
*/
private FlagForward(int i) {
super(i);
}
/**
* <p>Retrieve the value of this flag.</p>
*
* @param en The engine.
* @return The value.
*/
public Object getObjFlag(Engine obj, Engine en) {
switch (id) {
case FLAG_SYS_VERIFY:
return AbstractFlag.switchToAtom((en.visor.flags & Supervisor.MASK_VISOR_NOCNT) == 0);
default:
throw new IllegalArgumentException("illegal flag");
}
}
/**
* <p>Set the value of a this flag.</p>
*
* @param m The value skel.
* @param d The value display.
* @param en The engine.
* @return True if flag could be changed, otherwise false.
* @throws EngineMessage Shit happens.
*/
public boolean setObjFlag(Engine obj, Object m, Display d, Engine en)
throws EngineMessage {
switch (id) {
case FLAG_SYS_VERIFY:
en.visor.setVerify(AbstractFlag.atomToSwitch(m, d));
return true;
default:
throw new IllegalArgumentException("illegal flag");
}
}
}

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