Hazelcast IMDG Standard Support has expired. Extended support for version 4.1 ends in April 2024. Extended support for version 4.2 ends in September 2024.

We recommend that you try Hazelcast Platform.

In Hazelcast Platform, we’ve combined the in-memory storage of IMDG with the stream processing power of Jet. Find out more in our Platform documentation.

The following topics are a good place to start:

Design

4.2 4.1 4.0 3.12 3.11 3.10 3.9 3.8 3.7 3.6 3.5

HazelcastOSGiService is specific to each Hazelcast bundle. This means that every Hazelcast bundle has its own HazelcastOSGiService instance.

Every Hazelcast bundle registers its HazelcastOSGiService instances via Hazelcast Bundle Activator (com.hazelcast.osgi.impl.Activator) while they are being started, and it deregisters its HazelcastOSGiService instances while they are being stopped.

Each HazelcastOSGiService instance has a different service ID as the combination of Hazelcast version and artifact type (OSS or EE). Examples are 3.6#OSS, 3.6#EE, 3.7#OSS, 3.7#EE, etc.

HazelcastOSGiService instance lifecycle is the same with the owner Hazelcast bundle. This means that when the owner bundle is deactivated, the owned HazelcastOSGiService instance is deactivated, and all active Hazelcast instances that are created and served by that HazelcastOSGiService instance are also shutdown and deregistered. When the Hazelcast bundle is re-activated, its HazelcastOSGiService instance is registered again as the OSGI service.

OSGI Design

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