// 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); | |
} |