Added typed query builders and reimagined untyped query builder.

Author: craiggwilson

Driver/Builders/QueryBuilder.cs

@@ -21,6 +21,7 @@
 using MongoDB.Bson;
 using MongoDB.Bson.IO;
 using MongoDB.Bson.Serialization;
+using System.Linq.Expressions;
 
 namespace MongoDB.Driver.Builders
 {
@@ -38,6 +39,30 @@ public static IMongoQuery Null
  get { return null; }
  }
 
+ /// <summary>
+ /// Builds a query using a strongly-typed query builder.
+ /// </summary>
+ /// <typeparam name="TDocument"></typeparam>
+ /// <param name="queryBuilder">The query.</param>
+ /// <returns>an IMongoQuery.</returns>
+ public static IMongoQuery Build<TDocument>(Func<QueryBuilder<TDocument>, IMongoQuery> queryBuilder)
+ {
+ var builder = new QueryBuilder<TDocument>();
+ return queryBuilder(builder);
+ }
+
+ /// <summary>
+ /// Builds a query from an expression.
+ /// </summary>
+ /// <typeparam name="TDocument">The entity type.</typeparam>
+ /// <param name="expression">The query.</param>
+ /// <returns>An IMongoQuery.</returns>
+ public static IMongoQuery Where<TDocument>(Expression<Func<TDocument, bool>> expression)
+ {
+ var builder = new QueryBuilder<TDocument>();
+ return builder.Where(expression);
+ }
+
  // public static methods
  /// <summary>
  /// Tests that the named array element contains all of the values (see $all).