public void testBundleCollisionConnectedRegions() throws BundleException, InvalidSyntaxException {
// get the system region
Region systemRegion = digraph.getRegion(0);
// create 3 connected test regions and install each bundle into each region
int numRegions = 4;
String regionName = "ConnectedRegion_";
for (int i = 0; i < numRegions; i++) {
Region region = digraph.createRegion(regionName + i);
// Import the system bundle from the systemRegion
digraph.connect(region, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(id=0)").build(), systemRegion);
// must import Boolean services into systemRegion to test
digraph.connect(systemRegion, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_SERVICE_NAMESPACE, "(objectClass=java.lang.Boolean)").build(), region);
}
Region region0 = digraph.getRegion(regionName + 0);
Region region1 = digraph.getRegion(regionName + 1);
Region region2 = digraph.getRegion(regionName + 2);
// create connections that share the bundles we want
RegionFilterBuilder filterBuilder = digraph.createRegionFilterBuilder();
filterBuilder.allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(bundle-symbolic-name=" + PP1 + ")");
filterBuilder.allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(bundle-symbolic-name=" + SP1 + ")");
filterBuilder.allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(bundle-symbolic-name=" + CP1 + ")");
region1.connectRegion(region0, filterBuilder.build());
region2.connectRegion(region1, filterBuilder.build());
// install a bundle in each region
bundleInstaller.installBundle(PP1, region0);
bundleInstaller.installBundle(SP1, region1);
bundleInstaller.installBundle(CP1, region2);
// Should not be able to install SP1 into region0 because that would collide with SP1->region1->region0
assertInstallFail(SP1, region0);
// Should not be able to install PP1 into region1 because that would collide with region1->region0->PP1
assertInstallFail(PP1, region1);
// Should not be able to install PP1 into region2 because that would collide with region2->region1->region0->PP1
assertInstallFail(PP1, region2);
// Should not be able to install CP1 into region0 because that would collide with CP1->region2->region1->region0
assertInstallFail(CP1, region0);
}
public void testSingletons() throws BundleException {
Region region1 = digraph.createRegion(getName() + "_1");
Region region2 = digraph.createRegion(getName() + "_2");
// first install into the same region; higher version 2 should resolve
Bundle singleton1 = bundleInstaller.installBundle(SINGLETON1, region1);
Bundle singleton2 = bundleInstaller.installBundle(SINGLETON2, region1);
assertFalse(bundleInstaller.resolveBundles(new Bundle[] {singleton1, singleton2}));
assertEquals("singleton1", Bundle.INSTALLED, singleton1.getState());
assertEquals("singleton2", Bundle.RESOLVED, singleton2.getState());
// now install into different regions; both 1 and 2 should resolve
singleton2.uninstall();
singleton2 = bundleInstaller.installBundle(SINGLETON2, region2);
assertTrue(bundleInstaller.resolveBundles(new Bundle[] {singleton1, singleton2}));
assertEquals("singleton1", Bundle.RESOLVED, singleton1.getState());
assertEquals("singleton2", Bundle.RESOLVED, singleton2.getState());
ServiceRegistration<ResolverHookFactory> disableHook = disableAllResolves();
try {
// now refresh to get us to an unresolved state again
bundleInstaller.refreshPackages(new Bundle[] {singleton1, singleton2});
// connect region2 -> region1
region2.connectRegion(region1, digraph.createRegionFilterBuilder().allowAll(RegionFilter.VISIBLE_BUNDLE_NAMESPACE).build());
// enable resolving again
disableHook.unregister();
disableHook = null;
assertFalse(bundleInstaller.resolveBundles(new Bundle[] {singleton1, singleton2}));
assertTrue("One and only singleton bundle should be resolved", (singleton1.getState() == Bundle.RESOLVED) ^ (singleton2.getState() == Bundle.RESOLVED));
singleton2.uninstall();
disableHook = disableAllResolves();
// now refresh to get us to an unresolved state again
bundleInstaller.refreshPackages(new Bundle[] {singleton1, singleton2});
// enable resolving again
disableHook.unregister();
disableHook = null;
// make sure singleton1 is resolved first
assertTrue(bundleInstaller.resolveBundles(new Bundle[] {singleton1}));
assertEquals("singleton1", Bundle.RESOLVED, singleton1.getState());
singleton2 = bundleInstaller.installBundle(SINGLETON2, region2);
assertFalse(bundleInstaller.resolveBundles(new Bundle[] {singleton2}));
assertEquals("singleton2", Bundle.INSTALLED, singleton2.getState());
singleton1.uninstall();
disableHook = disableAllResolves();
// now refresh to get us to an unresolved state again
bundleInstaller.refreshPackages(new Bundle[] {singleton1, singleton2});
// enable resolving again
disableHook.unregister();
disableHook = null;
// make sure singleton2 is resolved first
assertTrue(bundleInstaller.resolveBundles(new Bundle[] {singleton2}));
assertEquals("singleton2", Bundle.RESOLVED, singleton2.getState());
singleton1 = bundleInstaller.installBundle(SINGLETON1, region1);
assertFalse(bundleInstaller.resolveBundles(new Bundle[] {singleton1}));
assertEquals("singleton1", Bundle.INSTALLED, singleton1.getState());
} finally {
if (disableHook != null)
disableHook.unregister();
}
}
private void doCyclicRegions(int numLevels) throws BundleException, InvalidSyntaxException, InterruptedException {
String regionName1 = getName() + "_1";
String regionName2 = getName() + "_2";
// get the system region
Region systemRegion = digraph.getRegion(0);
// create two regions to hold the bundles
Region testRegion1 = digraph.createRegion(regionName1);
Region testRegion2 = digraph.createRegion(regionName2);
// connect to the system bundle
testRegion1.connectRegion(systemRegion, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(id=0)").build());
testRegion2.connectRegion(systemRegion, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(id=0)").build());
// must import Boolean services into systemRegion to test
systemRegion.connectRegion(testRegion1, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_SERVICE_NAMESPACE, "(objectClass=java.lang.Boolean)").build());
systemRegion.connectRegion(testRegion2, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_SERVICE_NAMESPACE, "(objectClass=java.lang.Boolean)").build());
Map<String, Bundle> bundles = new HashMap<String, Bundle>();
// add bundles to region1
bundles.put(PP1, bundleInstaller.installBundle(PP1, testRegion1));
bundles.put(SP2, bundleInstaller.installBundle(SP2, testRegion1));
bundles.put(CP2, bundleInstaller.installBundle(CP2, testRegion1));
bundles.put(PC1, bundleInstaller.installBundle(PC1, testRegion1));
bundles.put(BC1, bundleInstaller.installBundle(BC1, testRegion1));
// add bundles to region2
bundles.put(SP1, bundleInstaller.installBundle(SP1, testRegion2));
bundles.put(CP1, bundleInstaller.installBundle(CP1, testRegion2));
bundles.put(PP2, bundleInstaller.installBundle(PP2, testRegion2));
bundles.put(SC1, bundleInstaller.installBundle(SC1, testRegion2));
bundles.put(CC1, bundleInstaller.installBundle(CC1, testRegion2));
RegionFilterBuilder testRegionFilter1 = digraph.createRegionFilterBuilder();
// SP2 -> PP2
testRegionFilter1.allow(RegionFilter.VISIBLE_PACKAGE_NAMESPACE, "(" + RegionFilter.VISIBLE_PACKAGE_NAMESPACE + "=pkg2.*)");
// CP2 -> SP1
testRegionFilter1.allow(RegionFilter.VISIBLE_SERVICE_NAMESPACE, "(" + Constants.OBJECTCLASS + "=pkg1.*)");
// PC1 -> PP2
// this is not needed because we already import pkg2.* above
//testRegionFilter1.allow(RegionFilter.VISIBLE_PACKAGE_NAMESPACE, "(" + RegionFilter.VISIBLE_PACKAGE_NAMESPACE + "=pkg2.*)");
// BC1 -> PP2
testRegionFilter1.allow(RegionFilter.VISIBLE_REQUIRE_NAMESPACE, "(" + RegionFilter.VISIBLE_REQUIRE_NAMESPACE + "=" + PP2 + ")");
RegionFilterBuilder testRegionFilter2 = digraph.createRegionFilterBuilder();
//SP1 -> PP1
testRegionFilter2.allow(RegionFilter.VISIBLE_PACKAGE_NAMESPACE, "(" + RegionFilter.VISIBLE_PACKAGE_NAMESPACE + "=pkg1.*)");
//SC1 -> SP2
testRegionFilter2.allow(RegionFilter.VISIBLE_SERVICE_NAMESPACE, "(" + Constants.OBJECTCLASS + "=pkg2.*)");
//CC1 -> CP2
testRegionFilter2.allow(CP2, "(name=" + CP2 + ")");
Region r1, r2 = null;
for (int i = 0; i <= numLevels; i++) {
r1 = (i > 0) ? r2 : testRegion1;
r2 = (i < numLevels) ? digraph.createRegion(getName() + "_level_" + i) : testRegion2;
r1.connectRegion(r2, testRegionFilter1.build());
r2.connectRegion(r1, testRegionFilter2.build());
}
bundleInstaller.resolveBundles(bundles.values().toArray(new Bundle[bundles.size()]));
for (Bundle bundle : bundles.values()) {
assertEquals("Bundle did not resolve: " + bundle.getSymbolicName(), Bundle.RESOLVED, bundle.getState());
bundle.start();
}
BundleContext context = getContext();
ServiceTracker<Boolean, Boolean> cp2Tracker = new ServiceTracker<Boolean, Boolean>(context, context.createFilter("(&(objectClass=java.lang.Boolean)(bundle.id=" + bundles.get(CP2).getBundleId() + "))"), null);
ServiceTracker<Boolean, Boolean> sc1Tracker = new ServiceTracker<Boolean, Boolean>(context, context.createFilter("(&(objectClass=java.lang.Boolean)(bundle.id=" + bundles.get(SC1).getBundleId() + "))"), null);
cp2Tracker.open();
sc1Tracker.open();
assertNotNull("The cp2 bundle never found the service.", cp2Tracker.waitForService(2000));
assertNotNull("The sc1 bundle never found the service.", sc1Tracker.waitForService(2000));
cp2Tracker.close();
sc1Tracker.close();
}