/// <summary>
/// Configures an async Scan operation against DynamoDB, finding items that match the specified conditions.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="take">The number of items to take.</param>
/// <param name="skip">The number of items to skip.</param>
/// <returns>The async task.</returns>
public async Task <List <T> > ScanAsync <ST>(CancellationToken cancellationToken, int take = 100, SkipCount <ST> skip = null)
{
if (skip != null)
{
List <ScanCondition> queryFilterInternal = new List <ScanCondition>();
queryFilterInternal.Add(skip.GetSkipQuery());
return(await ScanAsyncEx(queryFilterInternal, cancellationToken, take));
}
else
{
return(await ScanAsyncEx(new List <ScanCondition>(), cancellationToken, take));
}
}
/// <summary>
/// Configures an async Query operation against DynamoDB, finding items that match the specified hash primary key.
/// </summary>
/// <param name="hashKeyValue">Hash key of the items to query.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="take">The number of items to take.</param>
/// <param name="skip">The number of items to skip.</param>
/// <returns>The async task.</returns>
public async Task <List <T> > QueryAsync <ST>(object hashKeyValue, CancellationToken cancellationToken, int take = 100, SkipCount <ST> skip = null)
{
if (skip != null)
{
List <ScanCondition> queryFilter = new List <ScanCondition>();
queryFilter.Add(skip.GetSkipQuery());
return(await QueryAsyncEx(hashKeyValue, cancellationToken, take, queryFilter));
}
else
{
return(await QueryAsyncEx(hashKeyValue, cancellationToken, take));
}
}
/// <summary>
/// Configures an async Scan operation against DynamoDB, finding items that match the specified conditions.
/// </summary>
/// <param name="conditions">The scan conditions.</param>
/// <param name="take">The number of items to take.</param>
/// <param name="skip">The number of items to skip.</param>
/// <returns>The async task.</returns>
public async Task <List <T> > ScanAsync <ST>(List <ScanCondition> conditions, int take = 100, SkipCount <ST> skip = null)
{
if (skip != null)
{
List <ScanCondition> queryFilterInternal = new List <ScanCondition>();
queryFilterInternal.Add(skip.GetSkipQuery());
if (conditions != null)
{
queryFilterInternal.AddRange(conditions);
}
return(await ScanAsyncEx(queryFilterInternal, CancellationToken.None, take));
}
else
{
return(await ScanAsyncEx(conditions, CancellationToken.None, take));
}
}
/// <summary>
/// Configures an async Query operation against DynamoDB, finding items that match the specified hash primary key.
/// </summary>
/// <param name="hashKeyValue">Hash key of the items to query.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="queryFilter">Query filter for the Query operation operation.</param>
/// <param name="take">The number of items to take.</param>
/// <param name="skip">The number of items to skip.</param>
/// <returns>The async task.</returns>
public async Task <List <T> > QueryAsync <ST>(object hashKeyValue, CancellationToken cancellationToken, List <ScanCondition> queryFilter, int take = 100, SkipCount <ST> skip = null)
{
if (skip != null)
{
List <ScanCondition> queryFilterInternal = new List <ScanCondition>();
queryFilterInternal.Add(skip.GetSkipQuery());
if (queryFilter != null)
{
// Add the rest of the queries.
queryFilterInternal.AddRange(queryFilter);
}
return(await QueryAsyncEx(hashKeyValue, cancellationToken, take, queryFilterInternal));
}
else
{
return(await QueryAsyncEx(hashKeyValue, cancellationToken, take, queryFilter));
}
}