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protected static Exists ( |
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| targetType | The target type. | |
| Résultat | bool | |
/// <summary>
/// Check if any instance matches the query.
/// </summary>
/// <param name="targetType">target Type</param>
/// <param name="detachedQuery">The query expression</param>
/// <returns><c>true</c> if an instance is found; otherwise <c>false</c>.</returns>
public static bool Exists(Type targetType, IDetachedQuery detachedQuery)
{
return(ActiveRecordBase.Exists(targetType, detachedQuery));
}
/// <summary>
/// Check if any instance matches the criteria.
/// </summary>
/// <returns><c>true</c> if an instance is found; otherwise <c>false</c>.</returns>
public static bool Exists(Type targetType, params ICriterion[] criterias)
{
return(ActiveRecordBase.Exists(targetType, criterias));
}
/// <summary>
/// Check if any instance matching the criteria exists in the database.
/// </summary>
/// <param name="targetType">The target type.</param>
/// <param name="detachedCriteria">The criteria expression</param>
/// <returns><c>true</c> if an instance is found; otherwise <c>false</c>.</returns>
public static bool Exists(Type targetType, DetachedCriteria detachedCriteria)
{
return(ActiveRecordBase.Exists(targetType, detachedCriteria));
}
/// <summary>
/// Check if there is any records in the db for the target type
/// </summary>
/// <param name="targetType">Type of the target.</param>
/// <param name="filter">A sql where string i.e. Person=? and DOB > ?</param>
/// <param name="args">Positional parameters for the filter string</param>
/// <returns><c>true</c> if there's at least one row</returns>
public static bool Exists(Type targetType, string filter, params object[] args)
{
return(ActiveRecordBase.Exists(targetType, filter, args));
}
/// <summary>
/// Check if the <paramref name="id"/> exists in the database.
/// </summary>
/// <param name="targetType">Type of the target.</param>
/// <param name="id">The id to check on</param>
/// <returns><c>true</c> if the ID exists; otherwise <c>false</c>.</returns>
public static bool Exists(Type targetType, object id)
{
return(ActiveRecordBase.Exists(targetType, id));
}
/// <summary>
/// Check if there is any records in the db for <typeparamref name="T"/>
/// </summary>
/// <returns><c>true</c> if there's at least one row</returns>
public static bool Exists()
{
return(ActiveRecordBase.Exists(typeof(T)));
}
/// <summary>
/// Check if there is any records in the db for the target type
/// </summary>
/// <param name="targetType">Type of the target.</param>
/// <returns><c>true</c> if there's at least one row</returns>
public static bool Exists(Type targetType)
{
return(ActiveRecordBase.Exists(targetType));
}
/// <summary>
/// Check if any instance matching the criteria exists in the database.
/// </summary>
/// <param name="detachedCriteria">The criteria expression</param>
/// <returns><c>true</c> if an instance is found; otherwise <c>false</c>.</returns>
public static bool Exists(DetachedCriteria detachedCriteria)
{
return(ActiveRecordBase.Exists(typeof(T), detachedCriteria));
}
/// <summary>
/// Check if any instance matches the criteria.
/// </summary>
/// <returns><c>true</c> if an instance is found; otherwise <c>false</c>.</returns>
public static bool Exists(params ICriterion[] criterias)
{
return(ActiveRecordBase.Exists(typeof(T), criterias));
}
/// <summary>
/// Check if the <paramref name="id"/> exists in the database.
/// </summary>
/// <param name="id">The id to check on</param>
/// <returns><c>true</c> if the ID exists; otherwise <c>false</c>.</returns>
public static bool Exists(object id)
{
return(ActiveRecordBase.Exists(typeof(T), id));
}
/// <summary>
/// Check if there is any records in the db for the target type
/// </summary>
/// <param name="filter">A sql where string i.e. Person=? and DOB > ?</param>
/// <param name="args">Positional parameters for the filter string</param>
/// <returns><c>true</c> if there's at least one row</returns>
public static bool Exists(string filter, params object[] args)
{
return(ActiveRecordBase.Exists(typeof(T), filter, args));
}
/// <summary>
/// Check if the <paramref name="id"/> exists in the database.
/// </summary>
/// <typeparam name="PkType">The <c>System.Type</c> of the PrimaryKey</typeparam>
/// <param name="id">The id to check on</param>
/// <returns><c>true</c> if the ID exists; otherwise <c>false</c>.</returns>
public static bool Exists <PkType>(PkType id)
{
return(ActiveRecordBase <T> .Exists(id));
}
