/// <summary>
/// Adds a new local secondary index or updates an index if it has been defined already
/// </summary>
/// <param name="indexName"></param>
/// <param name="rangeKeyName"></param>
/// <param name="rangeKeyDataType"></param>
/// <param name="projectionType"></param>
/// <param name="nonKeyAttributes"></param>
internal void SetLocalSecondaryIndex(string indexName, string rangeKeyName, string rangeKeyDataType, string projectionType = null, string[] nonKeyAttributes = null)
{
// to add additional range keys, the user invokes this cmdlet multiple times in the
// pipeline
bool creatingNewIndex = false;
var lsi = LocalSecondaryIndexSchema.FirstOrDefault(l => l.IndexName.Equals(indexName, StringComparison.OrdinalIgnoreCase));
if (lsi == null)
{
creatingNewIndex = true;
lsi = new LocalSecondaryIndex
{
IndexName = indexName,
KeySchema = new List <KeySchemaElement>()
};
}
if (AttributeSchema.FirstOrDefault(a => a.AttributeName.Equals(rangeKeyName, StringComparison.Ordinal)) == null)
{
// could validate that data type matches here
AttributeSchema.Add(new AttributeDefinition {
AttributeName = rangeKeyName, AttributeType = rangeKeyDataType
});
}
lsi.KeySchema.Add(new KeySchemaElement {
AttributeName = rangeKeyName, KeyType = Amazon.DynamoDBv2.KeyType.RANGE
});
if (!string.IsNullOrEmpty(projectionType))
{
lsi.Projection = new Projection();
if (_projectionTypes.Contains(projectionType, StringComparer.OrdinalIgnoreCase))
{
lsi.Projection.ProjectionType = projectionType.ToUpper();
if (nonKeyAttributes != null && nonKeyAttributes.Length > 0)
{
lsi.Projection.NonKeyAttributes.AddRange(nonKeyAttributes);
}
}
else
{
throw new ArgumentException(string.Format("Invalid ProjectionType '{0}'; allowed values: {1}.",
projectionType,
string.Join(", ", _projectionTypes)),
"ProjectionType");
}
}
if (creatingNewIndex)
{
LocalSecondaryIndexSchema.Add(lsi);
}
}
private void CloneLocalSecondaryIndexSchema(IEnumerable <LocalSecondaryIndex> sourceSchema)
{
foreach (var sourceIndex in sourceSchema)
{
var clonedIndex = new LocalSecondaryIndex
{
IndexName = new string(sourceIndex.IndexName.ToCharArray()),
Projection = null,
KeySchema = new List <KeySchemaElement>()
};
foreach (var sourceKey in sourceIndex.KeySchema)
{
var clonedKey = new KeySchemaElement
{
AttributeName = new string(sourceKey.AttributeName.ToCharArray()),
KeyType = new DynamoDBv2.KeyType(sourceKey.KeyType)
};
clonedIndex.KeySchema.Add(clonedKey);
}
if (sourceIndex.Projection != null)
{
clonedIndex.Projection = new Projection
{
ProjectionType = new DynamoDBv2.ProjectionType(sourceIndex.Projection.ProjectionType),
NonKeyAttributes = new List <string>()
};
foreach (var nonKeyAttr in sourceIndex.Projection.NonKeyAttributes)
{
clonedIndex.Projection.NonKeyAttributes.Add(nonKeyAttr);
}
}
LocalSecondaryIndexSchema.Add(clonedIndex);
}
}