service
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Key: FELIX-2563
URL: https://issues.apache.org/jira/browse/FELIX-2563
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Affects Versions: scr-1.6.0
Reporter: Christopher Brind
Priority: Minor
Given this component XML:
<?xml version="1.0" encoding="UTF-8"?>
<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0";
name="dsbug.LongFactory">
<implementation class="dsbug.LongFactory"/>
<service servicefactory="true">
<provide interface="java.lang.Long" />
</service>
</scr:component>
And given this component class:
package dsbug;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceFactory;
import org.osgi.framework.ServiceRegistration;
public class LongFactory implements ServiceFactory {
public Object getService(Bundle bundle, ServiceRegistration
registration) {
return new Long(bundle.getBundleId());
}
public void ungetService(Bundle bundle, ServiceRegistration
registration,
Object service) {
}
}
Causes this error when referencing the service factory (resulting in
unsatisfied dependencies):
org.apache.felix.log.LogException: org.osgi.framework.ServiceException: Service
cannot be cast: java.lang.Long
However, when using this Activator *instead* of DS, all is well:
package dsbug;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
public class Activator implements BundleActivator {
public void start(BundleContext context) throws Exception {
context.registerService(Long.class.getName(), new
LongFactory(), null);
}
public void stop(BundleContext context) throws Exception {
}
}
Workaround (with DS) is to create a simple component with an
activate(BundleContext ctx) method and manually register the service.
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