WildFly Full 27 Model Reference

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  4. discovery-group
Deprecated Since 9.0.0
Use instead a socket-discovery-group or a jgroups-discovery-group to create a discovery-group.

Multicast group to listen to receive broadcast from other servers announcing their connectors.

Attributes (6)

  • initial-wait-timeout Period, in ms, to wait for an initial broadcast to give us at least one node in the cluster.
    • Attribute Value
    Default Value 10000
    Type LONG
    Nillable true
    Expressions Allowed true
    Unit MILLISECONDS
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • jgroups-channel References the name of a JGroups channel. If undefined, the default channel will be used.
    • Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • jgroups-cluster The logical cluster name.
    • Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • jgroups-stack References the name of a JGroups channel factory.
    • Deprecated Since 3.0.0
    Deprecated. Use jgroups-channel instead.
    Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • refresh-timeout Period the discovery group waits after receiving the last broadcast from a particular server before removing that server's connector pair entry from its list.
    • Attribute Value
    Default Value 10000
    Type LONG
    Nillable true
    Expressions Allowed true
    Unit MILLISECONDS
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • socket-binding The discovery group socket binding.
    • Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services

Operations (10)

  • add Add a discovery group.
    Request Parameter Type Required Expressions Allowed Default value Description
    initial-wait-timeout LONG false true 10000 Period, in ms, to wait for an initial broadcast to give us at least one node in the cluster.
    jgroups-channel STRING false false References the name of a JGroups channel. If undefined, the default channel will be used.
    jgroups-cluster STRING false false The logical cluster name.
    jgroups-stack STRING false false References the name of a JGroups channel factory.
    refresh-timeout LONG false true 10000 Period the discovery group waits after receiving the last broadcast from a particular server before removing that server's connector pair entry from its list.
    socket-binding STRING false false The discovery group socket binding.
  • list-add Add entry to list attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of list attribute to add entry to
    value STRING false false Value to add to list
    index INT false false Optional 0 based index where to insert value to
  • list-clear Clear all entries from list attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of list attribute
  • list-get Get entry from list attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of list attribute
    index INT false false Index entry to get
  • list-remove Remove entry from list attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of list attribute to remove entry from
    value STRING false false Value remove from list
    index INT false false Optional 0 based index to tell what element to remove
  • map-clear Clear all entries from map attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of list attribute
  • map-get Get entry from map attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of map attribute
    key STRING true false Key of entry to return
  • map-put Add entry to map attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of map attribute to add entry to
    key STRING true false Key under which value will be added
    value STRING false false Value to be added
  • map-remove Remove entry from map attribute
    Request Parameter Type Required Expressions Allowed Default value Description
    name STRING true false Name of map attribute
    key STRING true false Key of entry to remove
  • remove Remove a discovery group.