public SelectStatement ApplyCondition(SelectStatement statement)
{
var extractor = new CriteriaOperatorExtractor();
extractor.Extract(statement.Condition);
traceStatement(statement, "ApplyCondition");
foreach (FilterProviderBase provider in FilterProviderManager.Providers)
{
FilterProviderBase providerBase = FilterProviderManager.GetFilterProvider(provider.FilterMemberName);
if (providerBase!= null)
{
Tracing.Tracer.LogVerboseValue("providerName", providerBase.Name);
IEnumerable<BinaryOperator> binaryOperators =
extractor.BinaryOperators.Where(
@operator =>
@operator.RightOperand is OperandValue &&
ReferenceEquals(((OperandValue) @operator.RightOperand).Value, providerBase.FilterMemberName));
if (!FilterIsShared(statement.TableName,providerBase.Name) && binaryOperators.Count() == 0&&!IsSystemTable(statement.TableName))
{
string s = providerBase.FilterValue== null? null:providerBase.FilterValue.ToString();
string nodeAlias = statement.Operands.OfType<QueryOperand>().Where(
operand => operand.ColumnName == providerBase.FilterMemberName).Select(
operand => operand.NodeAlias).FirstOrDefault() ?? statement.Alias;
statement.Condition &= new QueryOperand(providerBase.FilterMemberName, nodeAlias) ==s;
Tracing.Tracer.LogVerboseValue("new_statement", statement);
}
}
}
return statement;
}
public void ExtractGroupOperator()
{
BinaryOperator binaryOperator2;
CriteriaOperator groupOperator;
BinaryOperator binaryOperator = getGroupOperator(out binaryOperator2, out groupOperator);
var extractor = new CriteriaOperatorExtractor();
extractor.Extract(groupOperator);
Assert.AreEqual(binaryOperator, extractor.BinaryOperators[0]);
Assert.AreEqual(binaryOperator2, extractor.BinaryOperators[1]);
}
public void ExtractNestedGroupOperator()
{
BinaryOperator binaryOperator2;
CriteriaOperator nestedGroupOperator;
BinaryOperator binaryOperator1 = getGroupOperator(out binaryOperator2, out nestedGroupOperator);
var groupOperator = new GroupOperator(nestedGroupOperator, binaryOperator1, binaryOperator2);
CriteriaOperator containsOperator = new ContainsOperator("", groupOperator);
var extractor = new CriteriaOperatorExtractor();
extractor.Extract(containsOperator);
Assert.AreEqual(4, extractor.BinaryOperators.Count);
Assert.AreEqual(binaryOperator1, extractor.BinaryOperators[0]);
Assert.AreEqual(binaryOperator2, extractor.BinaryOperators[1]);
Assert.AreEqual(binaryOperator1, extractor.BinaryOperators[2]);
Assert.AreEqual(binaryOperator2, extractor.BinaryOperators[3]);
}
private CriteriaOperatorExtractor GetBinaryOperatorExtractor(CriteriaOperator criteriaOperator)
{
var binaryOperatorExtractor = new CriteriaOperatorExtractor();
binaryOperatorExtractor.Extract(criteriaOperator);
return binaryOperatorExtractor;
}
public void ReplaceRootOperator()
{
CriteriaOperator unaryOperator = new UnaryOperator(UnaryOperatorType.IsNull, "prop2");
var binaryOperatorExtractor = new CriteriaOperatorExtractor();
var replaceOperator = new BinaryOperator("pr", 1);
binaryOperatorExtractor.Replace(ref unaryOperator, unaryOperator.ToString(), replaceOperator);
Assert.AreEqual(unaryOperator, replaceOperator);
}
public void ReplaceNestedOperator()
{
var unaryOperator = new UnaryOperator(UnaryOperatorType.BitwiseNot, "pro");
CriteriaOperator criteriaOperator = new GroupOperator(new BinaryOperator(), unaryOperator);
var binaryOperatorExtractor = new CriteriaOperatorExtractor();
var notOperator = new NotOperator();
binaryOperatorExtractor.Replace(ref criteriaOperator, unaryOperator.ToString(), notOperator);
Assert.AreEqual(((GroupOperator) criteriaOperator).Operands[1], notOperator);
}
public void RemoveRootOperator()
{
CriteriaOperator unaryOperator = new UnaryOperator(UnaryOperatorType.IsNull, "prop2");
var binaryOperatorExtractor = new CriteriaOperatorExtractor();
binaryOperatorExtractor.Remove(ref unaryOperator, unaryOperator.ToString());
Assert.IsNull(unaryOperator);
}
public void RemoveNestedOperator()
{
var unaryOperator = new UnaryOperator(UnaryOperatorType.IsNull, "prop2");
CriteriaOperator groupOperator = new GroupOperator(new BinaryOperator("pro1", 1), unaryOperator);
var binaryOperatorExtractor = new CriteriaOperatorExtractor();
binaryOperatorExtractor.Remove(ref groupOperator, unaryOperator.ToString());
Assert.AreEqual(new BinaryOperator("pro1", 1).ToString(), groupOperator.ToString());
}