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ErrorHandler.java | - | - | - | - |
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1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.hivemind; | |
16 | ||
17 | import org.apache.commons.logging.Log; | |
18 | ||
19 | /** | |
20 | * Interface for handling recoverable errors. Recoverable errors are often | |
21 | * caused by improper configuration data in a module descriptor. Implementations | |
22 | * of this interface can either be brittle (throw an ApplicationRuntimeException | |
23 | * immediately) or "mellow" and just log the exception (with the expectation that | |
24 | * a more drastic failure may follow later). | |
25 | * | |
26 | * @author Howard Lewis Ship | |
27 | */ | |
28 | public interface ErrorHandler | |
29 | { | |
30 | /** | |
31 | * Handle a recoverable error. May use the log to log the error (and location), | |
32 | * or may throw a runtime exception (probably ApplicationRuntimeException). | |
33 | * | |
34 | * @param log the log used for logging the error | |
35 | * @param message the message to display | |
36 | * @param location location associated with the error if known (possibly null) | |
37 | * @param cause the underlying exception that caused the error if known (possibly null) | |
38 | */ | |
39 | public void error(Log log, String message, Location location, Throwable cause); | |
40 | } |
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