30.3. Utility components

The following components provide various functions that are useful across a broad range of applications.

org.jboss.seam.core.events

An API for raising events that can be observed via @Observer methods, or method bindings in components.xml.

raiseEvent(String type) — raises an event of a particular type and distributes it to all observers.
raiseAsynchronousEvent(String type) — raises an event to be processed asynchronously by the EJB3 timer service.
raiseTimedEvent(String type, ....) — schedules an event to be processed asynchronously by the EJB3 timer service.
addListener(String type, String methodBinding) — adds an observer for a particular event type.

org.jboss.seam.core.interpolator

An API for interpolating the values of JSF EL expressions in Strings.

interpolate(String template) — scans the template for JSF EL expressions of the form #{...} and replaces them with their evaluated values.

org.jboss.seam.core.expressions

An API for creating value and method bindings.

org.jboss.seam.core.pojoCache

Manager component for a JBoss Cache PojoCache instance.

pojoCache.cfgResourceName — the name of the configuration file. Defaults to treecache.xml.

All of these components are always installed.

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