Ejemplo n.º 1
0
 public int DeleteWidgets(Filter filter)
 {
     return 0;
 }
Ejemplo n.º 2
0
        private List<Filter> FormFilterList(DataFilter dataFilter)
        {
            List<Filter> filterList = new List<Filter>();

              try
              {
            foreach (org.iringtools.library.Expression expression in dataFilter.Expressions)
            {
              Filter filter = new Filter();

              string propertyName = expression.PropertyName;
              DataProperty dataProperty = (from dp in _dataObjectDefinition.dataProperties
                                       where dp.propertyName.ToUpper() == propertyName.ToUpper()
                                       select dp).FirstOrDefault();

              bool isString = (dataProperty.dataType == DataType.String || dataProperty.dataType == DataType.Char);

              filter.AttributeName = propertyName;

              if (expression.RelationalOperator == RelationalOperator.StartsWith)
              {
            if (!isString) throw new Exception("StartsWith operator used with non-string property");

            filter.RelationalOperator = "like";
            filter.Value = "\"" + expression.Values.FirstOrDefault() + "\"";
              }
              else if (expression.RelationalOperator == RelationalOperator.EndsWith)
              {
            if (!isString) throw new Exception("EndsWith operator used with non-string property");

            filter.RelationalOperator = "like";
            filter.Value = "\"" + expression.Values.FirstOrDefault() + "\"";
              }
              else if (expression.RelationalOperator == RelationalOperator.Contains)
              {
            if (!isString) throw new Exception("Contains operator used with non-string property");

            filter.RelationalOperator = "like";
            filter.Value = "\"" + expression.Values.FirstOrDefault() + "\"";
              }
              else if (expression.RelationalOperator == RelationalOperator.In)
              {
            filter.RelationalOperator = expression.RelationalOperator.ToString();
            string values = String.Empty;
            int valueIndex = 1;
            int valueCount = expression.Values.Count();
            foreach (string value in expression.Values)
            {
              if (isString)
              {
                if (valueIndex == valueCount)
                  values += "\"" + value + "\"";
                else
                  values += "\"" + value + "\", ";
              }
              else
              {
                if (valueIndex == valueCount)
                  values += value;
                else
                  values += value + ", ";
              }

              valueIndex++;
            }

            filter.Value = values;
              }
              else
              {
            filter.RelationalOperator = expression.RelationalOperator.ToString();

            if (isString)
              filter.Value = "\"" + expression.Values.FirstOrDefault() + "\"";
            else
              filter.Value = expression.Values.FirstOrDefault();
              }

              if (expression.LogicalOperator != LogicalOperator.None)
            filter.Logical = expression.LogicalOperator.ToString();

              filterList.Add(filter);
            }
              }
              catch (Exception ex)
              {
            _logger.ErrorFormat("Error while marshalling a data filter into a filter list: {1}", ex);
            throw new Exception("Error while marshalling a data filter into a filter list.", ex);
              }

              return filterList;
        }
Ejemplo n.º 3
0
        public Widgets SearchWidgets(string query)
        {
            List<Filter> filters = new List<Filter>();

              Filter name = new Filter
              {
            AttributeName = "Name",
            RelationalOperator = "like",
            Value = query,
              };
              filters.Add(name);

              Filter description = new Filter
              {
            Logical = "or",
            AttributeName = "Description",
            RelationalOperator = "like",
            Value = query,
              };
              filters.Add(description);

              Filter material = new Filter
              {
            Logical = "or",
            AttributeName = "Material",
            RelationalOperator = "like",
            Value = query,
              };
              filters.Add(material);
              // for database applications ,the following function has to be called to build filters.
              // Currently it is difficult to implement search functionality on Enum types

              //filters = BuildSearchFiltersForResources("Widgets", query);
              return ReadWidgets(filters);
        }