OFFLINE FIRST

AND SEARCH ON STEROIDS

VEGARD HAUGSTVEDTITERA

@IT_VEGARD

OFFLINE-FIRST?

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@IT_VEGARD 25.06.2016 / 3

@IT_VEGARD

Couchbase Server

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• Scalable

• High performance

• Available

• NoSQL

• Document database

• Schemaless

• Key-value store

• Distributed cache

• N1QL

@IT_VEGARD

Couchbase Mobile

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@IT_VEGARD

Features

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• Embedded database

• Synchronization

• Security

• Events

• REST API

• Stream & batch API

• JSON

• Database Server

@IT_VEGARD

Use cases

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• Offline data access

• Local caching

• Content delivery and storage

• Real-time asset tracking

• Peer-to-peer device usage

• User data and preferences storage

@IT_VEGARD

Couchbase Lite

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• Lightweight

• Native and embedded

• Local first

• Implicit offline-support

@IT_VEGARD

Couchbase Sync Gateway

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• Replication

• Authentication

• Access control

• Data routing

• Validation

@IT_VEGARD

Authentication

• Basic Authentication w/username and password

• OpenID Connect Authentication (Google, PayPal, etc)

• Static providers (Facebook, Google+ and OpenID

providers)

• Custom authentication through App Server

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@IT_VEGARD

Channels and the sync function

• Authorizes which channels a user can access

• Sync function– Evaluates changes– Assigns documents to one or more channels

• Replicate only the channels you want

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@IT_VEGARD

Conflict handling

1. The undeleted leaf on the longest revision branch

2. The deleted leaf on the longest branch

3. The leaf with the revision ID which sorts higher in ASCII comparison (!)

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@IT_VEGARD

Couchbase Mobile

25.06.2016 / 13

@IT_VEGARD

SO, HOW ABOUT SOME CODE?

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@IT_VEGARD

1. Get database

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@IT_VEGARD

2. Create documents

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@IT_VEGARD

3. Update documents

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@IT_VEGARD

4. Delete documents

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@IT_VEGARD

5. Replication

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@IT_VEGARD

6. Authentication

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@IT_VEGARD

7. Change listeners

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@IT_VEGARD

8. Get started!

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@IT_VEGARD

MOBILE DATABASE+

SYNCHRONIZATIONIN

28 LINES OF CODE!

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@IT_VEGARD

TWITTER: @IT_VEGARD

GITHUB: IT-VEGARD

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