Session: How to Defer Operations

Operations can be deferred till SaveChanges is called by using Defer method in Advanced session operations. There are six types of commands that can be deferred:

• PutCommandData
• DeleteCommandData
• DeletePrefixedCommandData
• PatchCommandData
• PutAttachmentCommandData
• DeleteAttachmentCommandData

Syntax

void Defer(ICommandData command, params ICommandData[] commands);
void Defer(ICommandData[] commands);

Example

session
    .Advanced
    .Defer(
        new PutCommandData("products/999-A", null, new DynamicJsonValue
        {
            ["Name"] = "My Product",
            ["Supplier"] = "suppliers/999-A",
            ["@metadata"] = new DynamicJsonValue
            {
                ["@collection"] = "Users"
            }
        }),
        new PutCommandData("suppliers/999-A", null, new DynamicJsonValue
        {
            ["Name"] = "My Product",
            ["Supplier"] = "suppliers/999-A",
            ["@metadata"] = new DynamicJsonValue
            {
                ["@collection"] = "Suppliers"
            }
        }),
        new DeleteCommandData("products/1-A", null)
    );