net.mograsim.logic.model/src/net/mograsim/logic/model/snippets/highlevelstatehandlers/standard/subcomponent/DelegatingSubcomponentHighLevelStateHandler.java

   1 package net.mograsim.logic.model.snippets.highlevelstatehandlers.standard.subcomponent;
   2
   3 import net.mograsim.logic.model.model.components.ModelComponent;
   4 import net.mograsim.logic.model.model.components.submodels.SubmodelComponent;
   5 import net.mograsim.logic.model.serializing.IdentifyParams;
   6 import net.mograsim.logic.model.snippets.SnippetDefinintion;
   7 import net.mograsim.logic.model.snippets.highlevelstatehandlers.standard.HighLevelStateHandlerContext;
   8 import net.mograsim.logic.model.snippets.highlevelstatehandlers.standard.StandardHighLevelStateHandlerSnippetSuppliers;
   9
  10 public class DelegatingSubcomponentHighLevelStateHandler implements SubcomponentHighLevelStateHandler
  11 {
  12         private final SubmodelComponent parentComponent;
  13         private ModelComponent delegateTarget;
  14         private String prefix;
  15
  16         public DelegatingSubcomponentHighLevelStateHandler(HighLevelStateHandlerContext context)
  17         {
  18                 this(context, null);
  19         }
  20
  21         public DelegatingSubcomponentHighLevelStateHandler(HighLevelStateHandlerContext context,
  22                         DelegatingSubcomponentHighLevelStateHandlerParams params)
  23         {
  24                 this.parentComponent = context.component;
  25                 if (params != null)
  26                 {
  27                         // TODO document this
  28                         if (params.delegateTarget == null)
  29                                 setDelegateTarget(parentComponent);
  30                         else
  31                                 this.delegateTarget = parentComponent.submodel.getComponentsByName().get(params.delegateTarget);
  32                         setPrefix(params.prefix);
  33                 }
  34         }
  35
  36         public void set(ModelComponent delegateTarget, String prefix)
  37         {
  38                 setDelegateTarget(delegateTarget);
  39                 setPrefix(prefix);
  40         }
  41
  42         public void setDelegateTarget(ModelComponent delegateTarget)
  43         {
  44                 if (delegateTarget == null)
  45                         this.delegateTarget = parentComponent;
  46                 else if (parentComponent.submodel.getComponentsByName().get(delegateTarget.getName()) != delegateTarget)
  47                         throw new IllegalArgumentException(
  48                                         "Can only set components belonging to the submodel of the parent component of this handler as the delegate target");
  49                 this.delegateTarget = delegateTarget;
  50         }
  51
  52         public void setPrefix(String prefix)
  53         {
  54                 this.prefix = prefix;
  55         }
  56
  57         @Override
  58         public Object getHighLevelState(String subStateID)
  59         {
  60                 return delegateTarget.getHighLevelState(getDelegateTargetHighLevelStateID(subStateID));
  61         }
  62
  63         @Override
  64         public void setHighLevelState(String subStateID, Object newState)
  65         {
  66                 delegateTarget.setHighLevelState(getDelegateTargetHighLevelStateID(subStateID), newState);
  67         }
  68
  69         private String getDelegateTargetHighLevelStateID(String subStateID)
  70         {
  71                 return prefix == null ? subStateID : prefix + '.' + subStateID;
  72         }
  73
  74         @Override
  75         public String getIDForSerializing(IdentifyParams idParams)
  76         {
  77                 return "delegating";
  78         }
  79
  80         @Override
  81         public DelegatingSubcomponentHighLevelStateHandlerParams getParamsForSerializing(IdentifyParams idParams)
  82         {
  83                 DelegatingSubcomponentHighLevelStateHandlerParams params = new DelegatingSubcomponentHighLevelStateHandlerParams();
  84                 params.delegateTarget = delegateTarget.getName();
  85                 params.prefix = prefix;
  86                 return params;
  87         }
  88
  89         public static class DelegatingSubcomponentHighLevelStateHandlerParams
  90         {
  91                 public String delegateTarget;
  92                 public String prefix;
  93         }
  94
  95         static
  96         {
  97                 StandardHighLevelStateHandlerSnippetSuppliers.subcomponentHandlerSupplier
  98                                 .setSnippetSupplier(DelegatingSubcomponentHighLevelStateHandler.class.getCanonicalName(), SnippetDefinintion
  99                                                 .create(DelegatingSubcomponentHighLevelStateHandlerParams.class, DelegatingSubcomponentHighLevelStateHandler::new));
 100         }
 101 }