Examples with Resolver org.eclipse.osgi.service.resolver.Resolver used on opensource projects

Example 1 with Resolver

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());
}