Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ErrorReporter |
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1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | package org.apache.commons.nabla.algorithmic.forward.analysis; | |
18 | ||
19 | import org.apache.commons.nabla.core.DifferentiationException; | |
20 | ||
21 | /** Class used for delayed error reporting. | |
22 | */ | |
23 | 67 | public class ErrorReporter { |
24 | ||
25 | /** Error report. */ | |
26 | private DifferentiationException reportedError; | |
27 | ||
28 | /** Register an exception to be reported later. | |
29 | * @param exception exception to be reported | |
30 | */ | |
31 | public void register(final DifferentiationException exception) { | |
32 | 1 | reportedError = exception; |
33 | 1 | } |
34 | ||
35 | /** Check if an error has already been registered. | |
36 | * @return true if an error has already been registered | |
37 | */ | |
38 | public boolean hasError() { | |
39 | 257 | return reportedError != null; |
40 | } | |
41 | ||
42 | /** Report the error if any. | |
43 | * <p>If not error has been reported (i.e. if {@link #hasError()} returns | |
44 | * <code>false</code>), this method does nothing. Otherwise, it rethrows | |
45 | * the original exception.</p> | |
46 | * @exception DifferentiationException if some error occurred | |
47 | * during differentiation | |
48 | */ | |
49 | public void reportErrors() throws DifferentiationException { | |
50 | 68 | if (reportedError != null) { |
51 | 1 | throw reportedError; |
52 | } | |
53 | 67 | } |
54 | ||
55 | } |