public static bool Validate(QuerySpecification querySpecification, bool throwIfHasError = false)
{
var validators = new QuerySpecificationValidator[]
{
new ExpressionNameTypeValidator(querySpecification)
};
return(Validate(throwIfHasError, validators));
}
public DelegatedQuerySpecificationVisitor(
QuerySpecification querySpecification,
Action <Expression> visitExpression,
Action <LogicalOperation> visitLogicalOperation,
Action <UnaryLogicalOperation> visitUnaryLogicalOperation)
: base(querySpecification)
{
this._visitExpression = visitExpression;
this._visitLogicalOperation = visitLogicalOperation;
this._visitUnaryLogicalOperation = visitUnaryLogicalOperation;
}
/// <summary>
/// Deserializes workflow markup into an QuerySpecification object
/// </summary>
/// <param name="xml">string workflow markup to deserialize</param>
/// <param name="obj">Output QuerySpecification object</param>
/// <param name="exception">output Exception value if deserialize failed</param>
/// <returns>true if this XmlSerializer can deserialize the object; otherwise, false</returns>
public static bool Deserialize(string xml, out QuerySpecification obj, out System.Exception exception)
{
exception = null;
obj = default(QuerySpecification);
try
{
obj = Deserialize(xml);
return(true);
}
catch (System.Exception ex)
{
exception = ex;
return(false);
}
}
/// <summary>
/// Deserializes xml markup from file into an QuerySpecification object
/// </summary>
/// <param name="fileName">string xml file to load and deserialize</param>
/// <param name="obj">Output QuerySpecification object</param>
/// <param name="exception">output Exception value if deserialize failed</param>
/// <returns>true if this XmlSerializer can deserialize the object; otherwise, false</returns>
public static bool LoadFromFile(string fileName, out QuerySpecification obj, out System.Exception exception)
{
exception = null;
obj = default(QuerySpecification);
try
{
obj = LoadFromFile(fileName);
return(true);
}
catch (System.Exception ex)
{
exception = ex;
return(false);
}
}
/// <summary>
/// 将给定的查询规约编译成另外一种形式。
/// </summary>
/// <param name="querySpecification">将被编译的查询规约。</param>
/// <returns>查询规约的另外一种形式。</returns>
public T Compile(QuerySpecification querySpecification)
{
try
{
QuerySpecificationValidator.Validate(querySpecification, true);
}
catch (Exception ex)
{
throw new InvalidOperationException(
"Can't compile the given query specificaiton as the validation was failed. See InnerException for details.",
ex);
}
return(this.PerformCompile(querySpecification));
}
protected QuerySpecificationVisitor(QuerySpecification querySpecification)
{
this._querySpecification = querySpecification;
}
public static bool LoadFromFile(string fileName, out QuerySpecification obj)
{
System.Exception exception = null;
return(LoadFromFile(fileName, out obj, out exception));
}
public static bool Deserialize(string xml, out QuerySpecification obj)
{
System.Exception exception = null;
return(Deserialize(xml, out obj, out exception));
}
protected QuerySpecificationValidator(QuerySpecification querySpecification)
: base(querySpecification)
{
}
/// <summary> /// 将给定的查询规约编译成另外一种形式。 /// </summary> /// <param name="querySpecification">将被编译的查询规约。</param> /// <returns>查询规约的另外一种形式。</returns> protected abstract T PerformCompile(QuerySpecification querySpecification);
/// <summary>
/// 将给定的查询规约编译成另外一种形式。
/// </summary>
/// <param name="querySpecification">将被编译的查询规约。</param>
/// <returns>查询规约的另外一种形式。</returns>
object IQuerySpecificationCompiler.Compile(QuerySpecification querySpecification)
{
return(this.Compile(querySpecification));
}
