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package org.apache.felix.ipojo.test.scenarios.service.dependency.dynamic.priority;
import java.util.Properties;
import org.apache.felix.ipojo.ComponentInstance;
import org.apache.felix.ipojo.architecture.Architecture;
import org.apache.felix.ipojo.architecture.InstanceDescription;
import org.apache.felix.ipojo.junit4osgi.OSGiTestCase;
import org.apache.felix.ipojo.test.scenarios.util.Utils;
import org.osgi.framework.ServiceReference;
import org.apache.felix.ipojo.test.scenarios.service.dependency.service.CheckService;
import org.apache.felix.ipojo.test.scenarios.service.dependency.service.FooService;
public class SimpleDPDependencies extends OSGiTestCase {
ComponentInstance instance1, instance3;
ComponentInstance fooProvider;
ComponentInstance fooProvider2;
public void setUp() {
try {
Properties prov = new Properties();
prov.put("instance.name","FooProvider-1");
prov.put("service.ranking", "1");
fooProvider = Utils.getFactoryByName(getContext(), "RankedFooProviderType").createComponentInstance(prov);
fooProvider.stop();
Properties prov2 = new Properties();
prov2.put("instance.name","FooProvider-2");
prov2.put("service.ranking", "0");
fooProvider2 = Utils.getFactoryByName(getContext(), "RankedFooProviderType").createComponentInstance(prov2);
fooProvider2.stop();
Properties i1 = new Properties();
i1.put("instance.name","Simple");
instance1 = Utils.getFactoryByName(getContext(), "DPSimpleCheckServiceProvider").createComponentInstance(i1);
Properties i3 = new Properties();
i3.put("instance.name","Object");
instance3 = Utils.getFactoryByName(getContext(), "DPObjectCheckServiceProvider").createComponentInstance(i3);
} catch(Exception e) {
e.printStackTrace();
fail(e.getMessage()); }
}
public void tearDown() {
instance1.dispose();
instance3.dispose();
fooProvider.dispose();
fooProvider2.dispose();
instance1 = null;
instance3 = null;
fooProvider = null;
fooProvider2 = null;
}
public void testSimple() {
ServiceReference arch_ref = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), instance1.getInstanceName());
assertNotNull("Check architecture availability", arch_ref);
InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);
fooProvider.start();
fooProvider2.start();
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);
ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref);
CheckService cs = (CheckService) getContext().getService(cs_ref);
// Check grade
Integer grade = (Integer) cs.getProps().get("int");
assertEquals("Check first grade", 1, grade.intValue());
fooProvider.stop(); // Turn off the best provider.
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);
cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref);
cs = (CheckService) getContext().getService(cs_ref);
// Check grade
grade = (Integer) cs.getProps().get("int");
assertEquals("Check second grade", 0, grade.intValue());
fooProvider.start(); // Turn on the best provider.
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);
cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref);
cs = (CheckService) getContext().getService(cs_ref);
// Check grade
grade = (Integer) cs.getProps().get("int");
assertEquals("Check third grade", 1, grade.intValue());
// Increase the second provider grade.
ServiceReference fs_ref = Utils.getServiceReferenceByName(getContext(), FooService.class.getName(), fooProvider2.getInstanceName());
assertNotNull("Check foo service (2) reference", fs_ref);
FooService fs = (FooService) getContext().getService(fs_ref);
fs.foo(); // Increase the grade (now = 2)
cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref);
cs = (CheckService) getContext().getService(cs_ref);
// Check grade
grade = (Integer) cs.getProps().get("int");
assertEquals("Check fourth grade", 2, grade.intValue());
// Increase the other provider grade.
fs_ref = Utils.getServiceReferenceByName(getContext(), FooService.class.getName(), fooProvider.getInstanceName());
assertNotNull("Check foo service (1) reference", fs_ref);
fs = (FooService) getContext().getService(fs_ref);
fs.foo(); //(grade = 3)
cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref);
cs = (CheckService) getContext().getService(cs_ref);
// Check grade
grade = (Integer) cs.getProps().get("int");
assertEquals("Check fifth grade", 3, grade.intValue());
id = null;
cs = null;
getContext().ungetService(arch_ref);
getContext().ungetService(cs_ref);
getContext().ungetService(fs_ref);
fooProvider.stop();
fooProvider2.stop();
}
}