arch.dot

digraph Floristry {
    rankdir=TB;
    
    graph [fontsize=11 fontname="courier" compound=true];
    node [shape=box fontsize=9 fontname="Courier"];
    node [colorscheme=pastel19,style=filled];
    edge [fontsize=9,color=gray];
    fontname = "Courier";
    //splines=curved;
  
    # Web Tasker
    { 
        node [fillcolor=1, color=1];
        
        webtasker [label="WebTasker"];
        webtask [label="WebTask.create()", shape=cds];
        
        webtasker -> webtask [xlabel="calls",labeljust="l",constraint=false];
    }
  
    # Workflow Management
    { 
        node [fillcolor=2, color=2];

        launch_flows [label="WorkflowEngine.launch()"];
        flack_api [label="/message \n(point: 'launch')", shape=cds];
        flow_model [label="Flow model (CRUD)"];
    
        //flow_model:s -> launch_flows:n;
        launch_flows:w -> flack_api:s [xlabel="calls", constraint=false]; //[color=red,penwidth=3.0];
    }
  
    # Trail
    { 
        node [fillcolor=3, color=3];
        
        pollen [label="Pollen", shape=parallelogram];

        trail [label="Trail"];
        
        pollen -> trail [xlabel="updates",constraint=false];
    }
    
    # Workflow Engine
    {
        node [fillcolor=5, color=5];
        
        flor [label="Flor"];
    }
  
    # Taskers
    { 
        node [fillcolor=4, color=4];

        sshtasker [label="SshTasker"];
        xyztasker [label="other taskers"]
    }
  
    subgraph cluster_flack {
        label = "Flack";
		// newrank=true;

		subgraph cluster_flor {
			label = "Workflow Engine";
			color = lightgrey;
			
			flor;
		}

        subgraph cluster_flackmgmt {
            label = "RESTful API";
            color = lightgrey;
      
            flack_api;
        }
    
        subgraph cluster_observer {
            label = "Hooker";
            color = lightgrey;
      
            pollen;
        }

        subgraph cluster_tasker {
            label = "Tasker";
            color = lightgrey;
            
            sshtasker;
            webtasker;
            xyztasker;
        }
    
        flor;
        
        flack_api -> flor [constraint=false];
        flor -> sshtasker [xlabel="execute",lhead=cluster_tasker];
        pollen:w -> flor:w [style=dotted,arrowType=invodot,xlabel="observe"];
        
//        edge[style=invis];
//        pollen -> flack_api;
    }
  
  
    # Your App
    subgraph cluster_yourapp {
        label = "Your app"
       
        # Floristry
        subgraph cluster_floristry {
            label = "Floristry";
            color = lightgrey;
            
            subgraph cluster_WorkflowMgmt {
                label = "Workflow Management";
                color = lightgrey;
            
                launch_flows;
            }
        
            subgraph cluster_representation {
                label = "Rails representation";
                color = lightgrey;
          
                trail; 
            }

            subgraph cluster_webtask {
                label = "WebTask";
                color = lightgrey;
            
                webtask;
            }
                        
            edge[style=invis];
            trail -> launch_flows -> webtask;
        }
        
        flow_model;
		flow_model:e -> launch_flows:e;
        
//        edge[style=invis];
//        webtask -> flow_model;
    }
}