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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.di;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.config.FileReference;
import com.yahoo.container.bundle.BundleInstantiationSpecification;
import com.yahoo.container.bundle.MockBundle;
import org.osgi.framework.Bundle;
import java.util.Collection;
import java.util.Set;
import static java.util.Collections.emptySet;
/**
* This interface has default implementations of all methods, to allow using it
* for testing, instead of mocking or a test implementation.
*
* TODO: remove test code from this interface.
*
* @author gjoranv
* @author Tony Vaagenes
* @author ollivir
*/
public interface Osgi {
enum GenerationStatus { SUCCESS, FAILURE }
default void installPlatformBundles(Collection<String> bundlePaths) {
}
/**
* Installs the new set of application bundles.
*
* @param bundles The bundles for the new application.
* @param generation The generation number of the new application.
*/
default void useApplicationBundles(Collection<FileReference> bundles, long generation) {
}
/**
* If the current generation is a success, the set of bundles that is not needed by the new application
* generation, and therefore should be scheduled for uninstalling, is returned.
* If the current generation is a failure, all state related to application bundles is reverted to
* the previous generation. The set of bundles that was exclusively needed by the new generation,
* and therefore should be scheduled for uninstalling, is returned.
*
* @param status The success or failure of the new generation
* @return The set of bundles that are no longer needed by the new or latest good generation.
*/
default Set<Bundle> completeBundleGeneration(GenerationStatus status) {
return emptySet();
}
default Class<?> resolveClass(BundleInstantiationSpecification spec) {
try {
return Class.forName(spec.classId.getName());
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
default Bundle getBundle(ComponentSpecification spec) {
return new MockBundle();
}
}
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