// (C) Uri Wilensky. https://github.com/NetLogo/NetLogo
package org.nlogo.prim.etc;
import org.nlogo.agent.Agent;
import org.nlogo.agent.AgentSet;
import org.nlogo.api.I18N;
import org.nlogo.api.LogoException;
import org.nlogo.api.Syntax;
import org.nlogo.nvm.EngineException;
import org.nlogo.nvm.Reporter;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.TreeMap;
public final strictfp class _minnof
extends Reporter {
@Override
public Syntax syntax() {
int[] right = {Syntax.NumberType(), Syntax.AgentsetType(), Syntax.NumberBlockType()};
int ret = Syntax.AgentsetType();
return Syntax.reporterSyntax(right, ret, "OTPL", "?");
}
@Override
public Object report(final org.nlogo.nvm.Context context) throws LogoException {
int n = argEvalIntValue(context, 0);
if (n < 0) {
throw new EngineException(context, this,
I18N.errorsJ().getN("org.nlogo.prim.etc.$common.firstInputCantBeNegative", displayName()));
}
AgentSet sourceSet = argEvalAgentSet(context, 1);
int count = sourceSet.count();
if (n > count) {
throw new EngineException(context, this,
I18N.errorsJ().getN("org.nlogo.prim.etc.$common.notThatManyAgentsExist", n, count));
}
args[2].checkAgentSetClass(sourceSet, context);
TreeMap<Object, LinkedList<Agent>> resultAgents =
new TreeMap<Object, LinkedList<Agent>>();
org.nlogo.nvm.Context freshContext =
new org.nlogo.nvm.Context(context, sourceSet);
for (AgentSet.Iterator iter = sourceSet.shufflerator(context.job.random);
iter.hasNext();) {
org.nlogo.agent.Agent tester = iter.next();
Object result = freshContext.evaluateReporter(tester, args[2]);
if (!(result instanceof Double)) {
continue;
}
LinkedList<Agent> resultList = resultAgents.get(result);
if (resultList == null) {
resultList = new LinkedList<Agent>();
resultAgents.put(result, resultList);
}
resultList.add(tester);
}
AgentSet resultSet = new org.nlogo.agent.ArrayAgentSet
(sourceSet.type(), n, false, world);
for (Iterator<LinkedList<Agent>> iter = resultAgents.values().iterator();
n > 0 && iter.hasNext();) {
LinkedList<Agent> list = iter.next();
for (Iterator<Agent> iter2 = list.iterator(); n > 0 && iter2.hasNext();) {
resultSet.add(iter2.next());
n--;
}
}
return resultSet;
}
}