Examples of heart.alsvfd.Value

heart.alsvfd.Value
An abstract class representing a Value in ALSV(FD) logic. Values can be of five types in ALSV(FD): simple symbolic, simple numeric range symbolic, range numeric and set. This is a base class for all of the more specific classes. @author sbk

  }


  @Override
  public UncertainTrue evaluateUncertainLt(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    boolean logicalValue = attributeValue.lt(v, at.getType());
    
    return (logicalValue ? new UncertainTrue(getMaxCertainty()): new UncertainTrue(getMinCertainty()));
  }

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  }


  @Override
  public UncertainTrue evaluateUncertainLte(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    boolean logicalValue = attributeValue.lte(v, at.getType());
    
    return (logicalValue ? new UncertainTrue(getMaxCertainty()): new UncertainTrue(getMinCertainty()));
  }

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  }


  @Override
  public UncertainTrue evaluateUncertainGt(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    boolean logicalValue = attributeValue.gt(v, at.getType());
    
    return (logicalValue ? new UncertainTrue(getMaxCertainty()): new UncertainTrue(getMinCertainty()));
  }

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  }


  @Override
  public UncertainTrue evaluateUncertainGte(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    boolean logicalValue = attributeValue.gte(v, at.getType());
    
    return (logicalValue ? new UncertainTrue(getMaxCertainty()): new UncertainTrue(getMinCertainty()));
  }

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    }
  }
  
  public boolean execute(WorkingMemory wm)  throws UnsupportedOperationException, NotInTheDomainException  {
    try{
      Value newValue = decision.evaluate(wm);
      wm.setAttributeValue(attr, newValue, true);
  
      return true;
    }catch(UnsupportedOperationException e){
      //TODO rethrow with modified message

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  @Override
  public UncertainTrue evaluateUncertainEq(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    
    Value attributeValue = wm.getAttributeValue(at);
    
    // It means that once we consider evaluation in terms of uncertainty, 
    // If the value is completely unknown everything is possible.
    if(attributeValue instanceof Null && !(v instanceof Null)){
      return new UncertainTrue(0.0f);
    }
    
    boolean logicalValue = attributeValue.eq(v, at.getType());
    
    return evaluateUncertainTrueValue(at, v, wm, Formulae.OP_EQ, logicalValue);


  }

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  @Override
  public UncertainTrue evaluateUncertainNeq(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    // It means that once we consider evaluation in terms of uncertainty, 
    // If the value is completely unknown everything is possible.
    if(attributeValue instanceof Null && !(v instanceof Null)){
      return new UncertainTrue(0.0f);
    }
    
    boolean logicalValue = attributeValue.neq(v, at.getType());
    return evaluateUncertainTrueValue(at, v,wm, Formulae.OP_NEQ, logicalValue);
  }

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  @Override
  public UncertainTrue evaluateUncertainIn(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    // It means that once we consider evaluation in terms of uncertainty, 
    // If the value is completely unknown everything is possible.
    if(attributeValue instanceof Null && !(v instanceof Null)){
      return new UncertainTrue(0.0f);
    }
    
    boolean logicalValue = attributeValue.in(v, at.getType());
    return evaluateUncertainTrueValue(at, v,wm, Formulae.OP_IN, logicalValue);
  }

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  @Override
  public UncertainTrue evaluateUncertainNotin(Attribute at, Value v, WorkingMemory wm)
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    // It means that once we consider evaluation in terms of uncertainty, 
    // If the value is completely unknown everything is possible.
    if(attributeValue instanceof Null && !(v instanceof Null)){
      return new UncertainTrue(0.0f);
    }
    
    boolean logicalValue = attributeValue.notin(v, at.getType());
    return evaluateUncertainTrueValue(at, v,wm, Formulae.OP_NOTIN, logicalValue);
  }

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  @Override
  public UncertainTrue evaluateUncertainSubset(Attribute at, Value v, WorkingMemory wm) 
      throws UnsupportedOperationException, NotInTheDomainException {
    Value attributeValue = wm.getAttributeValue(at);
    // It means that once we consider evaluation in terms of uncertainty, 
    // If the value is completely unknown everything is possible.
    if(attributeValue instanceof Null && !(v instanceof Null)){
      return new UncertainTrue(0.0f);
    }
    
    boolean logicalValue = attributeValue.subset(v, at.getType());
    return evaluateUncertainTrueValue(at, v,wm, Formulae.OP_SUBSET, logicalValue);
  }

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