public static Func <string, T1, TResult> Compile <T1, TResult>(Action <StdfFile> stdfFileInit, Expression <Func <StdfFile, T1, TResult> > query)
{
var rnf = ExpressionInspector.Inspect(query);
var compiled = query.Compile();
RecordConverterFactory factory = null;
return((path, t1) => {
StdfFile stdf;
if (factory == null)
{
stdf = new StdfFile(new StdfFileStreamManager(path), false, rnf)
{
EnableCaching = false
};
factory = stdf.ConverterFactory;
}
else
{
stdf = new StdfFile(new StdfFileStreamManager(path), factory)
{
EnableCaching = false
};
}
if (stdfFileInit != null)
{
stdfFileInit(stdf);
}
return compiled(stdf, t1);
});
}
/// <summary>
/// Compiles an argument-less query, allowing you to do some initialization on the <see cref="StdfFile"/>
/// object before the query runs. This allows you to set options or add filters or seek algorithms.
/// </summary>
/// <typeparam name="TResult">The type of the result (in most cases, this can be inferred)</typeparam>
/// <param name="stdfFileInit">An action that will initialize the <see cref="StdfFile"/>.</param>
/// <param name="query">The expression tree representing the query.</param>
/// <returns>The results of the query</returns>
public static Func <string, TResult> Compile <TResult>(Action <StdfFile> stdfFileInit, Expression <Func <StdfFile, TResult> > query)
{
var rnf = ExpressionInspector.Inspect(query);
var compiled = query.Compile();
RecordConverterFactory factory = null;
return((path) => {
StdfFile stdf;
if (factory == null)
{
stdf = new StdfFile(new StdfFileStreamManager(path), false, rnf)
{
IndexingStrategy = new NonCachingStrategy()
};
factory = stdf.ConverterFactory;
}
else
{
stdf = new StdfFile(new StdfFileStreamManager(path), factory)
{
IndexingStrategy = new NonCachingStrategy()
};
}
stdfFileInit?.Invoke(stdf);
return compiled(stdf);
});
}