action/builtin/agent/CPlanStatistic.java

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/*
 * @cond LICENSE
 * ######################################################################################
 * # LGPL License                                                                       #
 * #                                                                                    #
 * # This file is part of the LightJason AgentSpeak(L++)                                #
 * # Copyright (c) 2015-19, LightJason (info@lightjason.org)                            #
 * # This program is free software: you can redistribute it and/or modify               #
 * # it under the terms of the GNU Lesser General Public License as                     #
 * # published by the Free Software Foundation, either version 3 of the                 #
 * # License, or (at your option) any later version.                                    #
 * #                                                                                    #
 * # This program is distributed in the hope that it will be useful,                    #
 * # but WITHOUT ANY WARRANTY; without even the implied warranty of                     #
 * # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                      #
 * # GNU Lesser General Public License for more details.                                #
 * #                                                                                    #
 * # You should have received a copy of the GNU Lesser General Public License           #
 * # along with this program. If not, see http://www.gnu.org/licenses/                  #
 * ######################################################################################
 * @endcond
 */

package org.lightjason.agentspeak.action.builtin.agent;

import org.lightjason.agentspeak.action.builtin.IBuiltinAction;
import org.lightjason.agentspeak.agent.IAgent;
import org.lightjason.agentspeak.language.CCommon;
import org.lightjason.agentspeak.language.CRawTerm;
import org.lightjason.agentspeak.language.ITerm;
import org.lightjason.agentspeak.language.execution.IContext;
import org.lightjason.agentspeak.language.fuzzy.CFuzzyValue;
import org.lightjason.agentspeak.language.fuzzy.IFuzzyValue;
import org.lightjason.agentspeak.language.instantiable.plan.IPlan;
import org.lightjason.agentspeak.language.instantiable.plan.statistic.IPlanStatistic;
import org.lightjason.agentspeak.language.instantiable.plan.trigger.ITrigger;

import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.List;


public final class CPlanStatistic extends IBuiltinAction
{

    private static final long serialVersionUID = 432941607230785685L;

    @Nonnegative
    @Override
    public final int minimalArgumentNumber()
    {
        return 1;
    }

    @Nonnull
    @Override
    public final IFuzzyValue<Boolean> execute( final boolean p_parallel, @Nonnull final IContext p_context,
                                               @Nonnull final List<ITerm> p_argument, @Nonnull final List<ITerm> p_return
    )
    {
        return CFuzzyValue.from(
            CCommon.flatten( p_argument )
                   .allMatch( i -> CPlanStatistic.statistic( i.<IPlan>raw().trigger(), p_context.agent(), p_return ) )
        );
    }

    private static boolean statistic( @Nonnull final ITrigger p_trigger, @Nonnull final IAgent<?> p_agent, @Nonnull final List<ITerm> p_return )
    {
        final Collection<IPlanStatistic> l_plans = p_agent.plans().get( p_trigger );
        if ( l_plans.isEmpty() )
            return false;

        final double l_success = l_plans.parallelStream().mapToDouble( IPlanStatistic::successful ).sum();
        final double l_fail = l_plans.parallelStream().mapToDouble( IPlanStatistic::fail ).sum();

        p_return.add( CRawTerm.from( l_success ) );
        p_return.add( CRawTerm.from( l_fail ) );
        p_return.add( CRawTerm.from( l_success + l_fail ) );

        return true;
    }
}