| // Copyright 2006 The Apache Software Foundation |
| // |
| // 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. |
| |
| package org.apache.tapestry5.ioc.services; |
| |
| /** |
| * Used by {@link org.apache.tapestry5.ioc.services.LoggingDecorator} to track which exceptions have been logged during |
| * the current request (the ExceptionTracker is perthread). This keeps redundant information from appearing in the |
| * console output. |
| */ |
| public interface ExceptionTracker |
| { |
| /** |
| * Returns true if the indicated exception has already been logged (it is assumed that the exception will be logged |
| * if this method returns false). The exception is recorded for later checks. |
| * |
| * @param exception to check |
| * @return false if the exception has not been previously checked, true otherwise |
| */ |
| boolean exceptionLogged(Throwable exception); |
| } |