use of org.eclipse.osgi.service.resolver.Resolver in project rt.equinox.framework by eclipse.
the class StateResolverTest method testSelectionPolicy.
public void testSelectionPolicy() throws BundleException {
State state = buildEmptyState();
Resolver resolver = state.getResolver();
resolver.setSelectionPolicy(new Comparator() {
public int compare(Object o1, Object o2) {
if (!(o1 instanceof BaseDescription) || !(o2 instanceof BaseDescription))
throw new IllegalArgumentException();
Version v1 = null;
Version v2 = null;
v1 = ((BaseDescription) o1).getVersion();
v2 = ((BaseDescription) o2).getVersion();
// only take version in to account and use lower versions over higher ones
return v1.compareTo(v2);
}
});
Hashtable manifest = new Hashtable();
long bundleID = 0;
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_MANIFESTVERSION, "2");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_SYMBOLICNAME, "test.host; singleton:=true");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_VERSION, "1.0.0");
// $NON-NLS-1$
BundleDescription testHost100 = state.getFactory().createBundleDescription(state, manifest, "test.host100", bundleID++);
manifest = new Hashtable();
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_MANIFESTVERSION, "2");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_SYMBOLICNAME, "test.host; singleton:=true");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_VERSION, "1.0.1");
// $NON-NLS-1$
BundleDescription testHost101 = state.getFactory().createBundleDescription(state, manifest, "test.host101", bundleID++);
manifest = new Hashtable();
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_MANIFESTVERSION, "2");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_SYMBOLICNAME, "test.frag; singleton:=true");
// $NON-NLS-1$
manifest.put(Constants.FRAGMENT_HOST, "test.host; bundle-version=\"[1.0.0,2.0.0)\"");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_VERSION, "1.0.0");
// $NON-NLS-1$
BundleDescription testFrag100 = state.getFactory().createBundleDescription(state, manifest, "test.frag100", bundleID++);
manifest = new Hashtable();
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_MANIFESTVERSION, "2");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_SYMBOLICNAME, "test.frag; singleton:=true");
// $NON-NLS-1$
manifest.put(Constants.FRAGMENT_HOST, "test.host; bundle-version=\"[1.0.0,2.0.0)\"");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_VERSION, "1.0.1");
// $NON-NLS-1$
BundleDescription testFrag101 = state.getFactory().createBundleDescription(state, manifest, "test.frag101", bundleID++);
manifest = new Hashtable();
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_MANIFESTVERSION, "2");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_SYMBOLICNAME, "test.dependent; singleton:=true");
// $NON-NLS-1$
manifest.put(Constants.REQUIRE_BUNDLE, "test.host; bundle-version=\"[1.0.0,2.0.0)\"");
// $NON-NLS-1$
manifest.put(Constants.BUNDLE_VERSION, "1.0.0");
// $NON-NLS-1$
BundleDescription testDependent = state.getFactory().createBundleDescription(state, manifest, "test.frag101", bundleID++);
state.addBundle(testHost100);
state.addBundle(testFrag100);
state.addBundle(testHost101);
state.addBundle(testFrag101);
state.addBundle(testDependent);
state.resolve();
// $NON-NLS-1$
assertTrue("1.0", testHost100.isResolved());
// $NON-NLS-1$
assertFalse("1.1", testHost101.isResolved());
// $NON-NLS-1$
assertTrue("1.2", testFrag100.isResolved());
// $NON-NLS-1$
assertFalse("1.3", testFrag101.isResolved());
// $NON-NLS-1$
assertTrue("1.4", testDependent.isResolved());
}
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