public QueryCondition(ConditionRelations relation, string field, ConditionEquality equality, object value)
: this()
{
this.relation = relation;
this.field = field;
this.equality = equality;
this.value = value;
}
public QueryCondition AddCondition(ConditionRelations relation, string field, ConditionEquality equality, object value)
{
if (conditions.Count == 0)
{
return conditions.AddCondition(ConditionRelations.First, field, equality, value);
}
else
{
return conditions.AddCondition(relation, field, equality, value);
}
}
public QueryCondition AddCondition(ConditionRelations relation, string field, ConditionEquality equality, object value)
{
QueryCondition condition = new QueryCondition(field, equality, value);
conditions.Add(new KeyValuePair<QueryCondition, ConditionRelations>(condition, relation));
return condition;
}
public QueryCondition AddCondition(ConditionRelations relation, string field, object value)
{
if (conditions.Count == 0 && string.IsNullOrEmpty(field))
{
return AddCondition(ConditionRelations.First, field, ConditionEquality.Equal, value);
}
else
{
return AddCondition(relation, field, ConditionEquality.Equal, value);
}
}
public QueryCondition AddCondition(ConditionRelations relation, QueryOperation field, ConditionEquality equality, object value)
{
return AddCondition(relation, field.ToString(), equality, value);
}
public QueryCondition AddCondition(ConditionRelations relation, DataField field, object value)
{
if (conditions.Count == 0 && field != null)
{
return AddCondition(ConditionRelations.First, field, ConditionEquality.Equal, value);
}
else
{
return AddCondition(relation, field, ConditionEquality.Equal, value);
}
}
public static string RelationToString(ConditionRelations relation)
{
switch (relation)
{
case ConditionRelations.First:
return String.Empty;
case ConditionRelations.And:
return "AND";
case ConditionRelations.Or:
return "OR";
}
return String.Empty;
}
public Filter(int condition, ConditionRelations conditionRelation)
{
this.condition = condition;
this.conditionRelation = conditionRelation;
}
public QueryCondition AddCondition(ConditionRelations relation, QueryFunction field, object value)
{
if (conditions.Count == 0)
{
return conditions.AddCondition(ConditionRelations.First, field.ToString(), ConditionEquality.Equal, value);
}
else
{
return conditions.AddCondition(relation, field.ToString(), ConditionEquality.Equal, value);
}
}
public QueryCondition AddCondition(ConditionRelations relation, QueryOperation field, object value)
{
return conditions.AddCondition(relation, field, value);
}
