graph/CCreate.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.graph;

import edu.uci.ics.jung.graph.DirectedSparseGraph;
import edu.uci.ics.jung.graph.DirectedSparseMultigraph;
import edu.uci.ics.jung.graph.Graph;
import edu.uci.ics.jung.graph.SparseGraph;
import edu.uci.ics.jung.graph.SparseMultigraph;
import edu.uci.ics.jung.graph.UndirectedSparseGraph;
import edu.uci.ics.jung.graph.UndirectedSparseMultigraph;
import org.lightjason.agentspeak.action.builtin.IBuiltinAction;
import org.lightjason.agentspeak.error.CIllegalStateException;
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 javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.stream.Collectors;


public class CCreate extends IBuiltinAction
{
    private static final long serialVersionUID = -8220165218772387059L;

    @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
    )
    {
        CCommon.flatten( p_argument )
               .map( ITerm::<String>raw )
               .map( i -> EGraphTypes.exist( i ) ? EGraphTypes.from( i ) : EGraphTypes.SPARSE )
               .map( EGraphTypes::get )
               .map( CRawTerm::from )
               .forEach( p_return::add );

        return CFuzzyValue.from( true );
    }


    private enum EGraphTypes
    {
        SPARSE,
        SPARSEMULTI,
        DIRECTEDSPARSE,
        DIRECTEDSPARSEMULTI,
        UNDIRECTEDSPARSE,
        UNDIRECTEDSPARSEMULTI;

        private static final Set<String> TYPES = Collections.unmodifiableSet(
            Arrays.stream( EGraphTypes.values() )
                  .map( i -> i.name().toUpperCase( Locale.ROOT ) )
                  .collect( Collectors.toSet() )
        );

        @Nonnull
        public final Graph<?, ?> get()
        {
            switch ( this )
            {
                case SPARSE:
                    return new SparseGraph<>();

                case SPARSEMULTI:
                    return new SparseMultigraph<>();

                case DIRECTEDSPARSE:
                    return new DirectedSparseGraph<>();

                case DIRECTEDSPARSEMULTI:
                    return new DirectedSparseMultigraph<>();

                case UNDIRECTEDSPARSE:
                    return new UndirectedSparseGraph<>();

                case UNDIRECTEDSPARSEMULTI:
                    return new UndirectedSparseMultigraph<>();

                default:
                    throw new CIllegalStateException( org.lightjason.agentspeak.common.CCommon.languagestring( this, "unknown", this ) );
            }
        }

        public static boolean exist( @Nonnull final String p_value )
        {
            return TYPES.contains( p_value.toUpperCase( Locale.ROOT ) );
        }

        @Nonnull
        public static EGraphTypes from( @Nonnull final String p_value )
        {
            return EGraphTypes.valueOf( p_value.toUpperCase( Locale.ROOT ) );
        }

    }
}