The aim of this library is to make working with JMX in Scala simpler.
You can export any Scala object as ModelMBean by using the MBeanExporter
class. The MBeanExporter uses a configured MBeanInfoAssembler (by default
AnnotationMBeanInfoAssembler to create an MBean model using reflection from
the object's class. The library ships with two implementations of the
MBeanInfoAssembler trait, AnnotationMBeanInfoAssembler and
SimpleMBeanInfoAssembler.
SimpleMBeanInfoAssembler will generate a model with an operation for every
method that takes no arguments and returns Unit, an attribute for every var
and a read-only attribute for every method that takes no arguments and returns
non-Unit value (usually a val).
AnnotationMBeanInfoAssembler maps Scala elements annotated with the @Managed
annotation to MBean operations and attributes. Annotated defs become operations,
annotated vars become attributes and annotated vals become read-only
attributes.
The ObjectName of an exported object is determined by a configured
ObjectNamingStratety or it is specified explicitly. The name can be explicitly
specified when the object is registered or using the @ManagedResource
annotation.
In the below example code we have a Cache class that is annotated with the
@Managed annotation and exported using an MBeanExporter with the default
configuration.
class Cache {
@Managed(readOnly=true)
var size: Int
@Mavaged
def evict(key: String) { /* ... */ }
// the cache implementation...
}
class MyApplication {
val myCache = new Cache
val exporter = new MBeanExporter
exporter.export(myCache)
}<dependency>
<groupId>com.tzavellas</groupId>
<artifactId>sse-jmx</artifactId>
<version>0.4.2</version>
</dependency>Licensed under the Apache License, Version 2.0. See the LICENSE and NOTICE files for more information.