Classes

The following classes are available globally.

  • DittoKit is the entry point for accessing Ditto-related functionality.

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    Declaration

    Swift

    @objc
    public class DittoKit : NSObject
  • Configuration for the database backend that DittoStore uses. Currently this is LMDB.

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    Declaration

    Swift

    @objc
    public class DittoDBConfig : NSObject
  • Provides an interface to specify a path to a key in a document that you can then call a function on to get the value at the specified key as a specific type. You obtain a DittoDocumentPath by subscripting a DittoDocument and you can then further subscript a DittoDocumentPath to further specify the key of the document that you want to get the value of.

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    Declaration

    Swift

    public class DittoDocumentPath
  • The type that is returned when calling when calling observe or observeLocal on a DittoPendingCursorOperation object. It handles the logic for calling the event handler that is provided to observe or observeLocal calls. DittoLiveQuery objects must be kept in scope for as long as you with to have your event handler be called when there is an update to a document matching the query you provide.

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    Declaration

    Swift

    public class DittoLiveQuery<T>
  • This is used as part of update operations for documents. It provides access to updating a document through a subscript-based API. A subscript operation returns a DittoMutableDocumentPath that you can then use to chain further subscript operations to in order to access nested values in a document. Once you’ve defined the path to a key in a document that you’d like to update, by using subscripts, then you can use the functionality defined on DittoMutableDocumentPath to perform the desired document update(s). Note that objects of this type should only be used within the scope of the update closure that they are provided in.

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    Declaration

    Swift

    public class DittoMutableDocument<T>
  • Provides an interface to specify a path to a key in a document that you can then call various update functions on. You obtain a DittoMutableDocumentPath by subscripting a DittoMutableDocument and you can then further subscript a DittoMutbaleDocumentPath to further specify the key of the document that you want to update.

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    Declaration

    Swift

    public class DittoMutableDocumentPath
  • These objects are returned when using find-like functionality on DittoCollections. They allow chaining of further query-related functions to do things like add a limit to the number of documents you want returned or specify how you want the documents to be sorted and ordered. You can either call exec on the object to get an array of DittoDocuments as an immediate return value, or you can establish either a live query or a subscription, which both work over time. A live query, established by calling observe, will notify you every time there’s an update to a document that matches the query you provided in the preceding find-like call. A subscription, established by calling subscribe, will act as a signal to other peers that the device connects to that you would like to receive updates from them about documents that match the query you provided in the preceding find-like call. Calling observe will generate both a subscription and a live query at the same time. If you’d like to only observe local changes then you can call observeLocal. Update and remove functionality is also exposed through this object.

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    Declaration

    Swift

    public class DittoPendingCursorOperation<T>
  • These objects are returned when using findByID functionality on DittoCollections. You can either call exec on the object to get an immediate return value, or you can establish either a live query or a subscription, which both work over time. A live query, established by calling observe, will notify you every time there’s an update to the document with the ID you provided in the preceding findByID call. A subscription, established by calling subscribe, will act as a signal to other peers that you would like to receive updates from them about the document with the ID you provided in the preceding findByID call. Calling observe will generate both a subscription and a live query at the same time. If you’d like to only observe local changes then you can call observeLocal. Update and remove functionality is also exposed through this object.

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    Declaration

    Swift

    public class DittoPendingIDSpecificOperation<T>
  • The type that is returned when calling observe or observeLocal on a DittoPendingIDSpecificOperation object. It handles the logic for calling the event handler that is provided to observe or observeLocal calls. DittoSingleDocumentLiveQuery objects must be kept in scope for as long as you with to have your event handler be called when there is an update to the referenced document.

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    Declaration

    Swift

    public class DittoSingleDocumentLiveQuery<T>
  • While DittoSubscription objects remain in scope they ensure that documents in the collection specified and that match the query provided will try to be kept up-to-date with the latest changes from remote peers.

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    Declaration

    Swift

    public class DittoSubscription
  • DittoWriteTransaction exposes functionality that allows you to perform multiple operations on the store within a single write transaction.

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    Declaration

    Swift

    public class DittoWriteTransaction<T>