/// <summary>
/// Compile IQueryPartsContainer to a QueryString
/// </summary>
/// <param name="container">The container containing all queryparts to compile to sql</param>
/// <param name="interceptors">The collection of interceptors</param>
/// <returns>The Compiled query</returns>
public virtual CompiledQuery Compile(IQueryPartsContainer container, InterceptorCollection interceptors)
{
_compiledParts = new HashSet<IQueryPart>();
if (container.AggregatePart != null)
{
var interception = new InterceptionHandler(interceptors, container.AggregatePart.EntityType);
interception.ExecuteBeforeCompile(container);
}
using (var writer = new StringWriter())
{
foreach (var part in container.Parts)
{
CompilePart(part, writer, container);
}
var query = writer.ToString();
return new CompiledQuery
{
QueryString = query,
QueryParts = container
};
}
}
protected void CompileChildParts(IQueryPart part, TextWriter writer, IQueryPartsContainer container)
{
if (_compiledParts.AsParallel().Contains(part))
{
return;
}
_compiledParts.Add(part);
foreach (var p in part.Parts)
{
CompilePart(p, writer, container, part);
}
}
/// <summary>
/// Creates a command object
/// </summary>
/// <param name="map">The query parts</param>
public QueryCommand(IQueryPartsContainer map)
{
QueryParts = map;
}
protected virtual void CompilePart(IQueryPart part, TextWriter writer, IQueryPartsContainer container, IQueryPart parent = null)
{
var compiler = _compilers[part.OperationType];
compiler(part, writer, container, parent);
CompileChildParts(part, writer, container);
}