WildFly Full 21 Model Reference

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  2. subsystem=ejb3
  3. service=timer-service
  4. database-data-store

An database based store for persistent EJB timers.

Provided capabilities(1)

Attributes (5)

  • allow-execution If this node is allowed to execute timers. If this is false then the timers will be added to the database, and another node may execute them. Note that depending on your refresh interval if you add timers with a very short delay they will not be executed until another node refreshes.
    • Attribute Value
    Default Value true
    Type BOOLEAN
    Nillable true
    Expressions Allowed true
    Storage configuration
    Access Type read-write
    Restart Required resource-services
  • database The type of database that is in use. SQL can be customised per database type.
    • Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed true
    Storage configuration
    Access Type read-write
    Restart Required resource-services
  • datasource-jndi-name The datasource that is used to persist the timers
    • Attribute Value
    Type STRING
    Nillable false
    Expressions Allowed true
    Storage configuration
    Access Type read-write
    Restart Required resource-services
  • partition The partition name. This should be set to a different value for every node that is sharing a database to prevent the same timer being loaded by multiple noded.
    • Attribute Value
    Default Value default
    Type STRING
    Nillable true
    Expressions Allowed true
    Storage configuration
    Access Type read-write
    Restart Required resource-services
  • refresh-interval Interval between refreshing the current timer set against the underlying database. A low value means timers get picked up more quickly, but increase load on the database.
    • Attribute Value
    Default Value -1
    Type INT
    Nillable true
    Expressions Allowed true
    Storage configuration
    Access Type read-write
    Restart Required resource-services

Operations (2)

  • add Adds a database store
    Request Parameter Type Required Expressions Allowed Default value Description
    allow-execution BOOLEAN false true true If this node is allowed to execute timers. If this is false then the timers will be added to the database, and another node may execute them. Note that depending on your refresh interval if you add timers with a very short delay they will not be executed until another node refreshes.
    database STRING false true The type of database that is in use. SQL can be customised per database type.
    datasource-jndi-name STRING true true The datasource that is used to persist the timers
    partition STRING false true default The partition name. This should be set to a different value for every node that is sharing a database to prevent the same timer being loaded by multiple noded.
    refresh-interval INT false true -1 Interval between refreshing the current timer set against the underlying database. A low value means timers get picked up more quickly, but increase load on the database.
  • remove Removes a database store