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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
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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