/// <summary>
/// 验证
/// </summary>
/// <param name="options">数据库上下文选项</param>
public virtual void Validate(IDbContextOptions options)
{
OracleOptionsExtension oracleOptionsExtension = options.FindExtension <OracleOptionsExtension>() ?? new OracleOptionsExtension();
if (OracleSQLCompatibility != null)
{
OracleSQLCompatibility.Equals(oracleOptionsExtension.OracleSQLCompatibility);
}
}
/// <summary>
/// 配置上下文(Context)以连接到Oracle数据库。
/// </summary>
/// <param name="optionsBuilder"> 用于配置上下文的创建器 </param>
/// <param name="connection">
/// 用于连接到数据库的现有<see cref="DbConnection" /> 。
/// 如果连接处于打开状态，则EF不会打开或关闭连接。
/// 如果连接处于关闭状态，那么EF将根据需要打开和关闭连接。
/// </param>
/// <param name="oracleOptionsAction"> 允许附加Oracle特定配置的可选操作 </param>
/// <returns></returns>
public static DbContextOptionsBuilder UseOracle(
[NotNull] this DbContextOptionsBuilder optionsBuilder,
[NotNull] DbConnection connection,
[CanBeNull] Action <OracleDbContextOptionsBuilder> oracleOptionsAction = null)
{
Check.NotNull(optionsBuilder, nameof(optionsBuilder));
Check.NotNull(connection, nameof(connection));
// 获得扩展，参见OracleOptionsExtension类
OracleOptionsExtension extension = (OracleOptionsExtension)GetOrCreateExtension(optionsBuilder).WithConnection(connection);
// 配置Oracle扩展，将扩展添加到DbContextOptions中
((IDbContextOptionsBuilderInfrastructure)optionsBuilder).AddOrUpdateExtension(extension);
// 配置报警扩展
ConfigureWarnings(optionsBuilder);
// 进行选项配置
oracleOptionsAction?.Invoke(new OracleDbContextOptionsBuilder(optionsBuilder));
// 返回
return(optionsBuilder);
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="options">数据库上下文选项</param>
public virtual void Initialize(IDbContextOptions options)
{
OracleOptionsExtension oracleOptionsExtension = options.FindExtension <OracleOptionsExtension>() ?? new OracleOptionsExtension();
OracleSQLCompatibility = oracleOptionsExtension.OracleSQLCompatibility;
}
public virtual void Initialize(IDbContextOptions options)
{
_relationalOptions = options.FindExtension <OracleOptionsExtension>() ?? new OracleOptionsExtension();
}
