package javax.slee.management;
import javax.management.ObjectName;
import javax.slee.SbbID;
import javax.slee.ServiceID;
/**
* This class identifies a notification such as an {@link AlarmNotification alarm} or
* {@link TraceNotification trace} notification as being generated in response to
* some action performed by an SBB. For example, if an SBB raises an alarm using the
* {@link javax.slee.facilities.AlarmFacility alarm facility}, an alarm notification
* will be generated containing an <code>SbbNotification</code> object that identifies
* the SBB that raised the alarm.
* @since SLEE 1.1
*/
public final class SbbNotification extends AbstractNotificationSource implements NotificationSource {
/**
* The JMX notification type of alarm notifications that are generated in response
* to an SBB interacting with the {@link javax.slee.facilities.AlarmFacility}.
* <p>
* The notification type is equal to the string "javax.slee.management.alarm.sbb".
*/
public static final String ALARM_NOTIFICATION_TYPE = "javax.slee.management.alarm.sbb";
/**
* The JMX notification type of trace notifications that are generated in response
* to an SBB interacting with the Trace Facility via a {@link javax.slee.facilities.Tracer}
* object.
* <p>
* The notification type is equal to the string "javax.slee.management.trace.sbb".
*/
public static final String TRACE_NOTIFICATION_TYPE = "javax.slee.management.trace.sbb";
/**
* The JMX notification type of usage notifications that are generated by a
* {@link javax.slee.usage.UsageMBean} containing an <code>SbbNotification</code> as
* a notification source.
* <p>
* The notification type is equal to the string "javax.slee.management.usage.sbb".
*/
public static final String USAGE_NOTIFICATION_TYPE = "javax.slee.management.usage.sbb";
/**
* The JMX Object Name property key that identifies the name of the service in a
* Usage MBean whose {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY}
* property has a value equal to {@link #USAGE_NOTIFICATION_TYPE}. This key is
* equal to the string "serviceName".
* @see javax.slee.usage.UsageMBean#BASE_OBJECT_NAME
* @see javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY
* @see #SERVICE_VENDOR_KEY
* @see #SERVICE_VERSION_KEY
* @see #SBB_NAME_KEY
* @see #SBB_VENDOR_KEY
* @see #SBB_VERSION_KEY
* @since SLEE 1.1
*/
public static final String SERVICE_NAME_KEY = "serviceName";
/**
* The JMX Object Name property key that identifies the vendor of the service in a
* Usage MBean whose {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY}
* property has a value equal to {@link #USAGE_NOTIFICATION_TYPE}. This key is
* equal to the string "serviceVendor".
* @see javax.slee.usage.UsageMBean#BASE_OBJECT_NAME
* @see javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY
* @see #SERVICE_NAME_KEY
* @see #SERVICE_VERSION_KEY
* @see #SBB_NAME_KEY
* @see #SBB_VENDOR_KEY
* @see #SBB_VERSION_KEY
* @since SLEE 1.1
*/
public static final String SERVICE_VENDOR_KEY = "serviceVendor";
/**
* The JMX Object Name property key that identifies the version of the service in a
* Usage MBean whose {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY}
* property has a value equal to {@link #USAGE_NOTIFICATION_TYPE}. This key is
* equal to the string "serviceVersion".
* @see javax.slee.usage.UsageMBean#BASE_OBJECT_NAME
* @see javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY
* @see #SERVICE_NAME_KEY
* @see #SERVICE_VENDOR_KEY
* @see #SBB_NAME_KEY
* @see #SBB_VENDOR_KEY
* @see #SBB_VERSION_KEY
* @since SLEE 1.1
*/
public static final String SERVICE_VERSION_KEY = "serviceVersion";
/**
* The JMX Object Name property key that identifies the name of the SBB in a
* Usage MBean whose {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY}
* property has a value equal to {@link #USAGE_NOTIFICATION_TYPE}. This key is
* equal to the string "sbbName".
* @see javax.slee.usage.UsageMBean#BASE_OBJECT_NAME
* @see javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY
* @see #SERVICE_NAME_KEY
* @see #SERVICE_VENDOR_KEY
* @see #SERVICE_VERSION_KEY
* @see #SBB_VENDOR_KEY
* @see #SBB_VERSION_KEY
* @since SLEE 1.1
*/
public static final String SBB_NAME_KEY = "sbbName";
/**
* The JMX Object Name property key that identifies the vendor of the SBB in a
* Usage MBean whose {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY}
* property has a value equal to {@link #USAGE_NOTIFICATION_TYPE}. This key is
* equal to the string "sbbVendor".
* @see javax.slee.usage.UsageMBean#BASE_OBJECT_NAME
* @see javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY
* @see #SERVICE_NAME_KEY
* @see #SERVICE_VENDOR_KEY
* @see #SERVICE_VERSION_KEY
* @see #SBB_NAME_KEY
* @see #SBB_VERSION_KEY
* @since SLEE 1.1
*/
public static final String SBB_VENDOR_KEY = "sbbVendor";
/**
* The JMX Object Name property key that identifies the version of the SBB in a
* Usage MBean whose {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY}
* property has a value equal to {@link #USAGE_NOTIFICATION_TYPE}. This key is
* equal to the string "sbbVersion".
* @see javax.slee.usage.UsageMBean#BASE_OBJECT_NAME
* @see javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY
* @see #SERVICE_NAME_KEY
* @see #SERVICE_VENDOR_KEY
* @see #SERVICE_VERSION_KEY
* @see #SBB_NAME_KEY
* @see #SBB_VENDOR_KEY
* @since SLEE 1.1
*/
public static final String SBB_VERSION_KEY = "sbbVersion";
/**
* Create a new <code>SbbNotification</code> object that uniquely identifies an SBB
* component within a service.
* @param service the component identifier of the service.
* @param sbb the component identifier of the SBB.
* @throws NullPointerException if either argument is <code>null</code>.
*/
public SbbNotification(ServiceID service, SbbID sbb) {
if (service == null) throw new NullPointerException("service is null");
if (sbb == null) throw new NullPointerException("sbb is null");
this.service = service;
this.sbb = sbb;
}
/**
* Get the service component identifier of this notification source.
* @return the service component identifier.
*/
public ServiceID getService() {
return service;
}
/**
* Get the SBB component identifier of this notification source.
* @return the SBB component identifier.
*/
public SbbID getSbb() {
return sbb;
}
/**
* Get the JMX notification type of alarm notifications generated in response
* to an SBB interacting with the Alarm Facility.
* @return the string defined by {@link #ALARM_NOTIFICATION_TYPE}.
*/
public String getAlarmNotificationType() {
return ALARM_NOTIFICATION_TYPE;
}
/**
* Get the JMX notification type of trace notifications generated in response
* to an SBB interacting with the Trace Facility.
* @return the string defined by {@link #TRACE_NOTIFICATION_TYPE}.
*/
public String getTraceNotificationType() {
return TRACE_NOTIFICATION_TYPE;
}
/**
* Get the JMX notification type of usage notifications generated in response
* to an SBB interacting with its usage parameters.
* @return the string defined by {@link #USAGE_NOTIFICATION_TYPE}.
*/
public String getUsageNotificationType() {
return USAGE_NOTIFICATION_TYPE;
}
/**
* Get a JMX Object Name property string that uniquely identifies the specified
* service and SBB, suitable for inclusion in the Object Name of a Usage MBean.
* This method makes use of the {@link ObjectName#quote}</code> method to ensure
* that the component identifier attributes are valid for inclusion as property
* values in an Object Name.
* <p>
* This method can be used as follows to manually construct a complete Object Name
* for a Usage MBean:
* <br><ul><code>
* ObjectName name = new ObjectName(<br>
* {@link javax.slee.usage.UsageMBean#BASE_OBJECT_NAME} + "," +<br>
* {@link javax.slee.usage.UsageMBean#USAGE_PARAMETER_SET_NAME_KEY} + "=" + ObjectName.quote(paramSetName) + "," // optional<br>
* {@link javax.slee.usage.UsageMBean#NOTIFICATION_SOURCE_KEY} + "=" + {@link #USAGE_NOTIFICATION_TYPE SbbNotification.USAGE_NOTIFICATION_TYPE} + "," +<br>
* {@link #getUsageMBeanProperties(ServiceID, SbbID) SbbNotification.getUsageMBeanProperties(service, sbb)}<br>
* );
* </code></ul>
* @param service the component identifier of the service.
* @param sbb the component identifier of the SBB.
* @return an Object Name property string that uniquely identifies the specified
* service and SBB components.
* @throws NullPointerException if either argument is <code>null</code>.
*/
public static String getUsageMBeanProperties(ServiceID service, SbbID sbb) {
if (service == null) throw new NullPointerException("service is null");
if (sbb == null) throw new NullPointerException("sbb is null");
StringBuffer buf = new StringBuffer();
buf.append(SERVICE_NAME_KEY).append('=').append(ObjectName.quote(service.getName())).append(',');
buf.append(SERVICE_VENDOR_KEY).append('=').append(ObjectName.quote(service.getVendor())).append(',');
buf.append(SERVICE_VERSION_KEY).append('=').append(ObjectName.quote(service.getVersion())).append(',');
buf.append(SBB_NAME_KEY).append('=').append(ObjectName.quote(sbb.getName())).append(',');
buf.append(SBB_VENDOR_KEY).append('=').append(ObjectName.quote(sbb.getVendor())).append(',');
buf.append(SBB_VERSION_KEY).append('=').append(ObjectName.quote(sbb.getVersion()));
return buf.toString();
}
/**
* Get a JMX Object Name property string that uniquely identifies the service
* and SBB of this notification source, suitable for inclusion in the Object Name
* of a Usage MBean.
* <p>
* This method is equivalent to {@link #getUsageMBeanProperties(ServiceID, SbbID)
* getUsageMBeanProperties(getService(), getSbb())}.
* @return an Object Name property string that uniquely identifies the service
* and SBB components of this notification source.
*/
public String getUsageMBeanProperties() {
return getUsageMBeanProperties(service, sbb);
}
/**
* Compare this notification source for equality with another object.
* @param obj the object to compare this with.
* @return <code>true</code> if <code>obj</code> is an instance of this class and
* references the same SBB and service component identifiers as this,
* <code>false</code> otherwise.
*/
public boolean equals(Object obj) {
if (obj == this) return true;
if (!(obj instanceof SbbNotification)) return false;
SbbNotification that = (SbbNotification)obj;
return this.service.equals(that.service)
&& this.sbb.equals(that.sbb);
}
/**
* Get a hash code value for this notification source.
* @return a hash code value for this notification source.
*/
public int hashCode() {
return service.hashCode() ^ sbb.hashCode();
}
/**
* Get a string representation for this notification source.
* @return a string representation for this notification source.
* @see Object#toString()
*/
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append("SbbNotification[service=").append(service).
append(",sbb=").append(sbb).
append(']');
return buf.toString();
}
/**
* Compare this notification source with the specified object for order.
* Returns a negative integer, zero, or a positive integer if this object
* is less than, equal to, or greater than the specified object.
* <p>
* If <code>obj</code> is an <code>SbbNotification</code>, order is determined
* by comparing first the encapsulated service component identifier and then,
* if the service component identifiers are equal, the encapsulated SBB
* component identifier. Otherwise, if <code>obj</code> is a
* <code>NotificationSource</code>, ordering is determined by comparing the
* class name of this class with the class name of <code>obj</code>.
* @param obj the object to compare this with.
* @return a negative integer, zero, or a positive integer if this notification
* source is considered less than, equal to, or greater than the
* specified object.
* @throws ClassCastException if <code>obj</code> does not implement the
* {@link NotificationSource} interface.
* @see Comparable#compareTo(Object)
*/
public int compareTo(Object obj) {
// can't compare with null
if (obj == null) throw new NullPointerException("obj is null");
if (obj == this) return 0;
if (obj instanceof SbbNotification) {
// compare the service id then the sbb id
SbbNotification that = (SbbNotification)obj;
int serviceComparison = this.service.compareTo(that.service);
return serviceComparison != 0 ? serviceComparison : this.sbb.compareTo(that.sbb);
}
else {
return super.compareTo(TYPE, obj);
}
}
// protected
protected String getClassName() {
return TYPE;
}
private final ServiceID service;
private final SbbID sbb;
// constant to avoid expensive getClass() invocations at runtime
private static final String TYPE = SbbNotification.class.getName();
}