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package org.onap.vid.model.aaiTree;
import org.apache.commons.proxy.Invoker;
import org.apache.commons.proxy.factory.javassist.JavassistProxyFactory;
import org.jetbrains.annotations.NotNull;
import org.onap.vid.exceptions.GenericUncheckedException;
public class FailureAAITreeNode extends AAITreeNode {
private static final Class[] classes = {AAITreeNode.class};
private static final JavassistProxyFactory proxyFactory = new JavassistProxyFactory(); // can proxy a class without an interface
private FailureAAITreeNode() {
// don't instantiate this class
}
/*
Returns a new AAITreeNode instance that throws an exception when
invoking any of its methods
*/
public static AAITreeNode of(Exception failureException) {
return (AAITreeNode) proxyFactory.createInvokerProxy(exceptionThrower(failureException), classes);
}
@NotNull
private static Invoker exceptionThrower(Exception exception) {
return (self, thisMethod, args) -> {
throw new GenericUncheckedException("AAI node fetching failed.", exception);
};
}
}
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