package org.simantics.district.network.ontology;

import org.simantics.db.RequestProcessor;
import org.simantics.db.Resource;
import org.simantics.db.ReadGraph;
import org.simantics.db.request.Read;
import org.simantics.db.Session;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.service.QueryControl;

public class DistrictNetworkResource {
    
    public final Resource ActionContext;
    public final Resource ActionContext_newDiagramContribution;
    public final Resource Actions;
    public final Resource Actions_NewDNDiagram;
    public final Resource Composite;
    public final Resource Connection;
    public final Resource Diagram;
    public final Resource Edge;
    public final Resource HasEndVertex;
    public final Resource HasEndVertex_Inverse;
    public final Resource HasStartVertex;
    public final Resource HasStartVertex_Inverse;
    public final Resource Images;
    public final Resource Images_ConfigurationFolder;
    public final Resource Vertex;
        
    public static class URIs {
        public static final String ActionContext = "http://www.simantics.org/DistrictNetwork-1.0/ActionContext";
        public static final String ActionContext_newDiagramContribution = "http://www.simantics.org/DistrictNetwork-1.0/ActionContext/newDiagramContribution";
        public static final String Actions = "http://www.simantics.org/DistrictNetwork-1.0/Actions";
        public static final String Actions_NewDNDiagram = "http://www.simantics.org/DistrictNetwork-1.0/Actions/NewDNDiagram";
        public static final String Composite = "http://www.simantics.org/DistrictNetwork-1.0/Composite";
        public static final String Connection = "http://www.simantics.org/DistrictNetwork-1.0/Connection";
        public static final String Diagram = "http://www.simantics.org/DistrictNetwork-1.0/Diagram";
        public static final String Edge = "http://www.simantics.org/DistrictNetwork-1.0/Edge";
        public static final String HasEndVertex = "http://www.simantics.org/DistrictNetwork-1.0/HasEndVertex";
        public static final String HasEndVertex_Inverse = "http://www.simantics.org/DistrictNetwork-1.0/HasEndVertex/Inverse";
        public static final String HasStartVertex = "http://www.simantics.org/DistrictNetwork-1.0/HasStartVertex";
        public static final String HasStartVertex_Inverse = "http://www.simantics.org/DistrictNetwork-1.0/HasStartVertex/Inverse";
        public static final String Images = "http://www.simantics.org/DistrictNetwork-1.0/Images";
        public static final String Images_ConfigurationFolder = "http://www.simantics.org/DistrictNetwork-1.0/Images/ConfigurationFolder";
        public static final String Vertex = "http://www.simantics.org/DistrictNetwork-1.0/Vertex";
    }
    
    public static Resource getResourceOrNull(ReadGraph graph, String uri) {
        try {
            return graph.getResource(uri);
        } catch(DatabaseException e) {
            System.err.println(e.getMessage());
            return null;
        }
    }
    
    public DistrictNetworkResource(ReadGraph graph) {
        ActionContext = getResourceOrNull(graph, URIs.ActionContext);
        ActionContext_newDiagramContribution = getResourceOrNull(graph, URIs.ActionContext_newDiagramContribution);
        Actions = getResourceOrNull(graph, URIs.Actions);
        Actions_NewDNDiagram = getResourceOrNull(graph, URIs.Actions_NewDNDiagram);
        Composite = getResourceOrNull(graph, URIs.Composite);
        Connection = getResourceOrNull(graph, URIs.Connection);
        Diagram = getResourceOrNull(graph, URIs.Diagram);
        Edge = getResourceOrNull(graph, URIs.Edge);
        HasEndVertex = getResourceOrNull(graph, URIs.HasEndVertex);
        HasEndVertex_Inverse = getResourceOrNull(graph, URIs.HasEndVertex_Inverse);
        HasStartVertex = getResourceOrNull(graph, URIs.HasStartVertex);
        HasStartVertex_Inverse = getResourceOrNull(graph, URIs.HasStartVertex_Inverse);
        Images = getResourceOrNull(graph, URIs.Images);
        Images_ConfigurationFolder = getResourceOrNull(graph, URIs.Images_ConfigurationFolder);
        Vertex = getResourceOrNull(graph, URIs.Vertex);
    }
    
    public static DistrictNetworkResource getInstance(ReadGraph graph) {
        Session session = graph.getSession();
        DistrictNetworkResource ret = session.peekService(DistrictNetworkResource.class);
        if(ret == null) {
            QueryControl qc = graph.getService(QueryControl.class);
            ret = new DistrictNetworkResource(qc.getIndependentGraph(graph));
            session.registerService(DistrictNetworkResource.class, ret);
        }
        return ret;
    }
    
    public static DistrictNetworkResource getInstance(RequestProcessor session) throws DatabaseException {
        DistrictNetworkResource ret = session.peekService(DistrictNetworkResource.class);
        if(ret == null) {
            ret = session.syncRequest(new Read<DistrictNetworkResource>() {
                public DistrictNetworkResource perform(ReadGraph graph) throws DatabaseException {
                    QueryControl qc = graph.getService(QueryControl.class);
                    return new DistrictNetworkResource(qc.getIndependentGraph(graph));
                }
            });
            session.registerService(DistrictNetworkResource.class, ret);
        }
        return ret;
    }
    
}