/// <summary>
/// create a boolean expression.
/// </summary>
/// <param name="searchEntityUnit"></param>
/// <param name="searchPropParent"></param>
/// <returns></returns>
public SearchPropBoolExpr AddSearchPropBoolExpr(SearchEntity searchEntity, SearchPropBoolExpr boolExprParent, BoolExprOperand leftOrRight, SearchBoolOperator oper)
{
if (searchEntity == null)
{
return(null);
}
if (boolExprParent == null)
{
return(null);
}
// check that the criterion does not already exists
if (searchEntity.SearchPropRoot != null)
{
// a criterion already exists!
return(null);
}
// check that the criterion does not already exists
if (boolExprParent.GetLeftOrRight(leftOrRight) != null)
{
return(null);
}
SearchPropBoolExpr expr = new SearchPropBoolExpr();
expr.Operator = oper;
// set the prop operand to the left or to the right
boolExprParent.SetLeftOrRight(leftOrRight, expr);
return(expr);
}
/// <summary>
/// Create all work objet matching object, recursivly.
/// </summary>
/// <param name="searchPropBase"></param>
/// <returns></returns>
private SearchPropBaseWork CreateAllSearchPropBaseWork(SearchPropBase searchPropBase)
{
// a bool expr, go inside left and right part
SearchPropBoolExpr searchPropBoolExpr = searchPropBase as SearchPropBoolExpr;
if (searchPropBoolExpr != null)
{
SearchPropBoolExprWork searchPropBoolExprWork = new SearchPropBoolExprWork();
searchPropBoolExprWork.SearchPropBaseId = searchPropBoolExpr.Id;
searchPropBoolExprWork.Operator = searchPropBoolExpr.Operator;
// create work object on the left side
searchPropBoolExprWork.LeftOperand = CreateAllSearchPropBaseWork(searchPropBoolExpr.LeftOperand);
// create work object on the right side
searchPropBoolExprWork.RightOperand = CreateAllSearchPropBaseWork(searchPropBoolExpr.RightOperand);
return(searchPropBoolExprWork);
}
// a final criterion
SearchPropCriterionKeyText propCritKeyText = searchPropBase as SearchPropCriterionKeyText;
if (propCritKeyText != null)
{
SearchPropCriterionKeyTextWork propCritKeyTextWork = new SearchPropCriterionKeyTextWork();
propCritKeyTextWork.SearchPropBaseId = propCritKeyText.Id;
propCritKeyTextWork.KeyText = propCritKeyText.KeyText;
propCritKeyTextWork.PropChildsScan = propCritKeyText.PropChildsScan;
propCritKeyTextWork.PropKeyTextType = propCritKeyText.PropKeyTextType;
propCritKeyTextWork.TextMatch = propCritKeyText.TextMatch;
propCritKeyTextWork.TextSensitive = propCritKeyText.TextSensitive;
return(propCritKeyTextWork);
}
// TODO: others final criterion type
// not implemented
throw new Exception("Search property not yet implemented!");
}
/// <summary>
/// create a bool expr as the root expr of the search unit.
/// </summary>
/// <param name="searchEntityUnit"></param>
/// <param name="searchPropParent"></param>
/// <returns></returns>
public SearchPropBoolExpr AddSearchPropBoolExpr(SearchEntity searchEntity, SearchBoolOperator oper)
{
if (searchEntity == null)
{
return(null);
}
// check that the criterion does not already exists
if (searchEntity.SearchPropRoot != null)
{
// a criterion already exists!
return(null);
}
SearchPropBoolExpr expr = new SearchPropBoolExpr();
expr.Operator = oper;
searchEntity.SearchPropRoot = expr;
return(expr);
}
/// <summary>
/// Add a property criterion to a search unit.
/// set to the left or to the right operand of the expression.
/// </summary>
/// <param name="criteria"></param>
/// <param name="keyText"></param>
/// <returns></returns>
public SearchPropCriterionKeyText AddCritPropKeyText(SearchEntity searchEntity, SearchPropBoolExpr boolExprParent, BoolExprOperand leftOrRight, string keyText)
{
if (searchEntity == null)
{
return(null);
}
if (boolExprParent == null)
{
return(null);
}
// check the text
if (string.IsNullOrWhiteSpace(keyText))
{
return(null);
}
// check that the criterion does not already exists
if (boolExprParent.GetLeftOrRight(leftOrRight) != null)
{
return(null);
}
SearchPropCriterionKeyText criterionPropKeyText = CreateSearchPropCriterionPropKeyText(keyText);
// set the prop operand to the left or to the right
boolExprParent.SetLeftOrRight(leftOrRight, criterionPropKeyText);
return(criterionPropKeyText);
}
