private Table(AmazonDynamoDB ddbClient, string tableName, Table.DynamoDBConsumer consumer)
{
DDBClient = ddbClient;
TableConsumer = consumer;
TableName = tableName;
HashKeyIsNumeric = RangeKeyIsDefined = RangeKeyIsNumeric = false;
}
private Table(AmazonDynamoDB ddbClient, string tableName, Table.DynamoDBConsumer consumer)
{
DDBClient = ddbClient;
TableConsumer = consumer;
TableName = tableName;
RangeKeyIsDefined = false;
HashKeyType = DynamoDBEntryType.String;
RangeKeyType = DynamoDBEntryType.String;
}
internal Table Copy(Table.DynamoDBConsumer newConsumer)
{
return new Table(this.DDBClient, this.TableName, newConsumer)
{
HashKeyType = this.HashKeyType,
HashKeyName = this.HashKeyName,
keyNames = this.keyNames,
RangeKeyIsDefined = this.RangeKeyIsDefined,
RangeKeyType = this.RangeKeyType,
RangeKeyName = this.RangeKeyName,
};
}
internal static Table LoadTable(AmazonDynamoDB ddbClient, string tableName, Table.DynamoDBConsumer consumer)
{
Table table = new Table(ddbClient, tableName, consumer);
table.GetKeyInfo();
return table;
}
/// <summary>
/// Creates a Table object with the specified name, using the
/// passed-in client to load the table definition.
///
/// This method will return false if the table does not exist.
/// </summary>
/// <param name="ddbClient">Client to use to access DynamoDB.</param>
/// <param name="tableName">Name of the table.</param>
/// <param name="table">Loaded table.</param>
/// <returns>
/// True if table was successfully loaded; otherwise false.
/// </returns>
public static bool TryLoadTable(AmazonDynamoDB ddbClient, string tableName, out Table table)
{
try
{
table = LoadTable(ddbClient, tableName);
return true;
}
catch
{
table = null;
return false;
}
}
/// <summary>
/// Creates a Table object with the specified name, using the
/// passed-in client to load the table definition.
///
/// This method will throw an exception if the table does not exist.
/// </summary>
/// <param name="ddbClient">Client to use to access DynamoDB.</param>
/// <param name="tableName">Name of the table.</param>
/// <returns>Table object representing the specified table.</returns>
public static Table LoadTable(AmazonDynamoDB ddbClient, string tableName)
{
Table table = new Table(ddbClient, tableName, Table.DynamoDBConsumer.DocumentModel);
table.GetKeyInfo();
return table;
}
/// <summary>
/// Constructs a DocumentBatchGet instance for a specific table.
/// </summary>
/// <param name="targetTable">Table to get items from.</param>
public DocumentBatchGet(Table targetTable)
{
TargetTable = targetTable;
Keys = new List<Key>();
}
private void SetupTable()
{
try
{
this._table = Table.LoadTable(this._ddbClient, this._tableName, Table.DynamoDBConsumer.SessionStateProvider);
}
catch (ResourceNotFoundException) { }
if (this._table == null)
{
if (this._createIfNotExist)
this._table = CreateTable();
else
throw new AmazonDynamoDBException(string.Format("Table {0} was not found to be used to store session state and autocreate is turned off.", this._tableName));
}
else
{
ValidateTable();
}
}
