| // 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.tapestry.ioc.services;
|
|
|
| /**
|
| * Used by {@link org.apache.tapestry.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);
|
| }
|