public static DateTime?GetDateTimeOrDefault(this IDataReader source, string fieldName)
{
Prevent.ParameterNullOrWhiteSpace(fieldName, nameof(fieldName));
var value = source.GetValue(fieldName);
return((value != null && value != DBNull.Value) ? Convert.ToDateTime(value) : new DateTime?());
}
/// <inheritdoc />
public IDocumentIndex Set(string name, string value, DocumentIndexOptions options)
{
Prevent.ParameterNullOrWhiteSpace(name, nameof(name));
_entries[name] = new DocumentIndexEntry(
value: value,
type: IndexableType.Text,
options: options);
return(this);
}
/// <summary>
/// Initializes a new instance of <see cref="Index"/>.
/// </summary>
/// <param name="analyzer">The Lucene analyzer.</param>
/// <param name="basePath">The base path of the Lucene directory.</param>
/// <param name="name">The index name.</param>
public Index(Analyzer analyzer, string basePath, string name)
{
Prevent.ParameterNull(analyzer, nameof(analyzer));
Prevent.ParameterNullOrWhiteSpace(basePath, nameof(basePath));
Prevent.ParameterNullOrWhiteSpace(name, nameof(name));
_analyzer = analyzer;
_basePath = basePath;
_name = name;
Initialize();
}
public SpireDocWordDocument(string path, Stream stream, ILogger log = null)
{
Prevent.ParameterNullOrWhiteSpace(path, nameof(path));
Prevent.ParameterNull(stream, nameof(stream));
_path = path;
_stream = stream;
_log = log ?? NullLogger.Instance;
Initialize();
}
public static DateTimeOffset GetDateTimeOffsetOrDefault(this IDataReader source, string fieldName, DateTimeOffset fallback)
{
Prevent.ParameterNullOrWhiteSpace(fieldName, nameof(fieldName));
if (source == null)
{
return(fallback);
}
var value = source.GetValue(fieldName);
return((value != null && value != DBNull.Value) ? DateTimeOffset.Parse(value.ToString()) : fallback);
}
public static bool GetBooleanOrDefault(this IDataReader source, string fieldName, bool fallback = false)
{
Prevent.ParameterNullOrWhiteSpace(fieldName, nameof(fieldName));
if (source == null)
{
return(fallback);
}
var value = source.GetValue(fieldName);
return((value != null && value != DBNull.Value) ? Convert.ToBoolean(value) : fallback);
}
public static int GetInt32OrDefault(this IDataReader source, string fieldName, int fallback = 0)
{
Prevent.ParameterNullOrWhiteSpace(fieldName, nameof(fieldName));
if (source == null)
{
return(fallback);
}
var value = source.GetValue(fieldName);
return((value != null && value != DBNull.Value) ? Convert.ToInt32(value) : fallback);
}
public static byte[] GetBlobOrDefault(this IDataReader source, string fieldName, byte[] fallback = null)
{
Prevent.ParameterNullOrWhiteSpace(fieldName, nameof(fieldName));
if (source == null)
{
return(fallback);
}
var value = source.GetValue(fieldName);
return((value != null && value != DBNull.Value) ? (byte[])value : fallback);
}
public static Guid GetGuidOrDefault(this IDataReader source, string fieldName, Guid fallback = default(Guid))
{
Prevent.ParameterNullOrWhiteSpace(fieldName, nameof(fieldName));
if (source == null)
{
return(fallback);
}
var value = source.GetValue(fieldName);
return((value != null && value != DBNull.Value) ? Guid.Parse(value.ToString()) : fallback);
}
/// <inheritdoc />
public DbProviderFactory GetFactory(string providerFactoryName)
{
Prevent.ParameterNullOrWhiteSpace(providerFactoryName, nameof(providerFactoryName));
switch (providerFactoryName)
{
case nameof(SqlClientFactory):
return(SqlClientFactory.Instance);
case nameof(SQLiteFactory):
return(SQLiteFactory.Instance);
default:
throw new InvalidOperationException("DB Provider Factory not implemented.");
}
}
/// <inheritdoc />
public ISearchBuilder Parse(string query, bool escape = true, params string[] defaultFields)
{
Prevent.ParameterNullOrWhiteSpace(query, nameof(query));
Prevent.ParameterNull(defaultFields, nameof(defaultFields));
if (defaultFields.Length == 0)
{
throw new ArgumentException("Default fields can't be empty.");
}
if (escape)
{
query = QueryParserBase.Escape(query);
}
foreach (var defaultField in defaultFields)
{
CreatePendingClause();
_query = new QueryParser(IndexProvider.Version, defaultField, _analyzer).Parse(query);
}
return(this);
}
