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/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DLinq / Dlinq / provider / IProvider.cs / 1305376 / IProvider.cs
using System; using System.Collections; using System.Collections.Generic; using System.Data; using System.Data.Linq; using System.Data.Common; using System.Linq.Expressions; using System.IO; using System.Linq; using System.Text; using System.Transactions; using System.Reflection; using System.Diagnostics.CodeAnalysis; namespace System.Data.Linq.Provider { ////// A data provider implements this interface to hook into the LINQ to SQL framework. /// internal interface IProvider : IDisposable { ////// Initializes the database provider with the data services object and connection. /// /// /// A connection string, connection object or transaction object /// used to seed the provider with database connection information. void Initialize(IDataServices dataServices, object connection); ////// The text writer used by the provider to output information such as query and commands /// being executed. /// TextWriter Log { get; set; } ////// The connection object used by the provider when executing queries and commands. /// DbConnection Connection { get; } ////// The transaction object used by the provider when executing queries and commands. /// DbTransaction Transaction { get; set; } ////// The command timeout setting to use for command execution. /// int CommandTimeout { get; set; } ////// Clears the connection of any current activity. /// void ClearConnection(); ////// Creates a new database instance (catalog or file) at the location specified by the connection /// using the metadata encoded within the entities or mapping file. /// void CreateDatabase(); ////// Deletes the database instance at the location specified by the connection. /// void DeleteDatabase(); ////// Returns true if the database specified by the connection object exists. /// ///bool DatabaseExists(); /// /// Executes the query specified as a LINQ expression tree. /// /// ///A result object from which you can obtain the return value and output parameters. IExecuteResult Execute(Expression query); ////// Compiles the query specified as a LINQ expression tree. /// /// ///A compiled query instance. ICompiledQuery Compile(Expression query); ////// Translates a DbDataReader into a sequence of objects (entity or projection) by mapping /// columns of the data reader to object members by name. /// /// The type of the resulting objects. /// ///IEnumerable Translate(Type elementType, DbDataReader reader); /// /// Translates an IDataReader containing multiple result sets into sequences of objects /// (entity or projection) by mapping columns of the data reader to object members by name. /// /// ///IMultipleResults Translate(DbDataReader reader); /// /// Returns the query text in the database server's native query language /// that would need to be executed to perform the specified query. /// /// The query ///string GetQueryText(Expression query); /// /// Return an IDbCommand object representing the translation of specified query. /// /// ///DbCommand GetCommand(Expression query); } /// /// A compiled query. /// internal interface ICompiledQuery { ////// Executes the compiled query using the specified provider and a set of arguments. /// /// The provider that will execute the compiled query. /// Argument values to supply to the parameters of the compiled query, /// when the query is specified as a LambdaExpression. ///IExecuteResult Execute(IProvider provider, object[] arguments); } internal static class DataManipulation { /// /// The method signature used to encode an Insert command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "resultSelector", Justification = "[....]: The method is being used to represent a method signature")] public static TResult Insert (TEntity item, Func resultSelector) { throw new NotImplementedException(); } /// /// The method signature used to encode an Insert command. /// The method will throw a NotImplementedException if called directly. /// ////// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] public static int Insert (TEntity item) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "check", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "resultSelector", Justification = "[....]: The method is being used to represent a method signature")] public static TResult Update (TEntity item, Func check, Func resultSelector) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "resultSelector", Justification = "[....]: The method is being used to represent a method signature")] public static TResult Update (TEntity item, Func resultSelector) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "check", Justification = "[....]: The method is being used to represent a method signature")] public static int Update (TEntity item, Func check) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] public static int Update (TEntity item) { throw new NotImplementedException(); } /// /// The method signature used to encode a Delete command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "check", Justification = "[....]: The method is being used to represent a method signature")] public static int Delete (TEntity item, Func check) { throw new NotImplementedException(); } /// /// The method signature used to encode a Delete command. /// The method will throw a NotImplementedException if called directly. /// ////// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] public static int Delete (TEntity item) { throw new NotImplementedException(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Collections; using System.Collections.Generic; using System.Data; using System.Data.Linq; using System.Data.Common; using System.Linq.Expressions; using System.IO; using System.Linq; using System.Text; using System.Transactions; using System.Reflection; using System.Diagnostics.CodeAnalysis; namespace System.Data.Linq.Provider { /// /// A data provider implements this interface to hook into the LINQ to SQL framework. /// internal interface IProvider : IDisposable { ////// Initializes the database provider with the data services object and connection. /// /// /// A connection string, connection object or transaction object /// used to seed the provider with database connection information. void Initialize(IDataServices dataServices, object connection); ////// The text writer used by the provider to output information such as query and commands /// being executed. /// TextWriter Log { get; set; } ////// The connection object used by the provider when executing queries and commands. /// DbConnection Connection { get; } ////// The transaction object used by the provider when executing queries and commands. /// DbTransaction Transaction { get; set; } ////// The command timeout setting to use for command execution. /// int CommandTimeout { get; set; } ////// Clears the connection of any current activity. /// void ClearConnection(); ////// Creates a new database instance (catalog or file) at the location specified by the connection /// using the metadata encoded within the entities or mapping file. /// void CreateDatabase(); ////// Deletes the database instance at the location specified by the connection. /// void DeleteDatabase(); ////// Returns true if the database specified by the connection object exists. /// ///bool DatabaseExists(); /// /// Executes the query specified as a LINQ expression tree. /// /// ///A result object from which you can obtain the return value and output parameters. IExecuteResult Execute(Expression query); ////// Compiles the query specified as a LINQ expression tree. /// /// ///A compiled query instance. ICompiledQuery Compile(Expression query); ////// Translates a DbDataReader into a sequence of objects (entity or projection) by mapping /// columns of the data reader to object members by name. /// /// The type of the resulting objects. /// ///IEnumerable Translate(Type elementType, DbDataReader reader); /// /// Translates an IDataReader containing multiple result sets into sequences of objects /// (entity or projection) by mapping columns of the data reader to object members by name. /// /// ///IMultipleResults Translate(DbDataReader reader); /// /// Returns the query text in the database server's native query language /// that would need to be executed to perform the specified query. /// /// The query ///string GetQueryText(Expression query); /// /// Return an IDbCommand object representing the translation of specified query. /// /// ///DbCommand GetCommand(Expression query); } /// /// A compiled query. /// internal interface ICompiledQuery { ////// Executes the compiled query using the specified provider and a set of arguments. /// /// The provider that will execute the compiled query. /// Argument values to supply to the parameters of the compiled query, /// when the query is specified as a LambdaExpression. ///IExecuteResult Execute(IProvider provider, object[] arguments); } internal static class DataManipulation { /// /// The method signature used to encode an Insert command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "resultSelector", Justification = "[....]: The method is being used to represent a method signature")] public static TResult Insert (TEntity item, Func resultSelector) { throw new NotImplementedException(); } /// /// The method signature used to encode an Insert command. /// The method will throw a NotImplementedException if called directly. /// ////// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] public static int Insert (TEntity item) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "check", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "resultSelector", Justification = "[....]: The method is being used to represent a method signature")] public static TResult Update (TEntity item, Func check, Func resultSelector) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "resultSelector", Justification = "[....]: The method is being used to represent a method signature")] public static TResult Update (TEntity item, Func resultSelector) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "check", Justification = "[....]: The method is being used to represent a method signature")] public static int Update (TEntity item, Func check) { throw new NotImplementedException(); } /// /// The method signature used to encode an Update command. /// The method will throw a NotImplementedException if called directly. /// ////// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] public static int Update (TEntity item) { throw new NotImplementedException(); } /// /// The method signature used to encode a Delete command. /// The method will throw a NotImplementedException if called directly. /// ////// /// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "check", Justification = "[....]: The method is being used to represent a method signature")] public static int Delete (TEntity item, Func check) { throw new NotImplementedException(); } /// /// The method signature used to encode a Delete command. /// The method will throw a NotImplementedException if called directly. /// ////// /// [SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "item", Justification = "[....]: The method is being used to represent a method signature")] public static int Delete (TEntity item) { throw new NotImplementedException(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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