// (C) Uri Wilensky. https://github.com/NetLogo/NetLogo
package org.nlogo.prim;
import org.nlogo.agent.AgentSet;
import org.nlogo.api.I18N;
import org.nlogo.api.LogoException;
import org.nlogo.api.LogoList;
import org.nlogo.api.Syntax;
import org.nlogo.nvm.ArgumentTypeException;
import org.nlogo.nvm.Context;
import org.nlogo.nvm.EngineException;
import org.nlogo.nvm.Reporter;
public final strictfp class _oneof
extends Reporter {
@Override
public Object report(final Context context) throws LogoException {
Object obj = args[0].report(context);
if (obj instanceof LogoList) {
LogoList list = (LogoList) obj;
int size = list.size();
if (size == 0) {
throw new EngineException(context, this,
I18N.errorsJ().getN("org.nlogo.prim.etc.$common.emptyListInput", displayName()));
}
return list.get(context.job.random.nextInt(size));
} else if (obj instanceof AgentSet) {
AgentSet agents = (AgentSet) obj;
int count = agents.count();
if (count == 0) {
return org.nlogo.api.Nobody$.MODULE$;
} else {
return agents.randomOne(count, context.job.random.nextInt(count));
}
} else {
throw new ArgumentTypeException
(context, this, 0, Syntax.ListType() | Syntax.AgentsetType(), obj);
}
}
@Override
public Syntax syntax() {
int[] right = {Syntax.AgentsetType() | Syntax.ListType()};
int ret = Syntax.WildcardType();
return Syntax.reporterSyntax(right, ret);
}
public Object report_1(Context context, AgentSet agents) {
int count = agents.count();
if (count == 0) {
return org.nlogo.api.Nobody$.MODULE$;
} else {
return agents.randomOne(count, context.job.random.nextInt(count));
}
}
public Object report_2(Context context, LogoList list) throws LogoException {
int size = list.size();
if (size == 0) {
throw new EngineException(context, this,
I18N.errorsJ().getN("org.nlogo.prim.etc.$common.emptyListInput", displayName()));
}
return list.get(context.job.random.nextInt(size));
}
public Object report_3(Context context, Object obj) throws LogoException {
if (obj instanceof LogoList) {
LogoList list = (LogoList) obj;
int size = list.size();
if (size == 0) {
throw new EngineException(context, this,
I18N.errorsJ().getN("org.nlogo.prim.etc.$common.emptyListInput", displayName()));
}
return list.get(context.job.random.nextInt(size));
} else if (obj instanceof AgentSet) {
AgentSet agents = (AgentSet) obj;
int count = agents.count();
if (count == 0) {
return org.nlogo.api.Nobody$.MODULE$;
} else {
return agents.randomOne(count, context.job.random.nextInt(count));
}
} else {
throw new ArgumentTypeException(context, this, 0,
Syntax.ListType() | Syntax.AgentsetType(), obj);
}
}
}