| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.nifi.logging; |
| |
| public interface LogRepository { |
| |
| void addLogMessage(LogMessage logMessage); |
| |
| void addLogMessage(LogLevel level, String messageFormat, Object[] params); |
| |
| void addLogMessage(LogLevel level, String messageFormat, Object[] params, Throwable t); |
| |
| /** |
| * Registers an observer so that it will be notified of all Log Messages |
| * whose levels are at least equal to the given level. |
| * |
| * @param observerIdentifier identifier of observer |
| * @param level of logs the observer wants |
| * @param observer the observer |
| */ |
| void addObserver(String observerIdentifier, LogLevel level, LogObserver observer); |
| |
| /** |
| * Sets the observation level of the specified observer. |
| * |
| * @param observerIdentifier identifier of observer |
| * @param level of logs the observer wants |
| */ |
| void setObservationLevel(String observerIdentifier, LogLevel level); |
| |
| /** |
| * Gets the observation level for the specified observer. |
| * |
| * @param observerIdentifier identifier of observer |
| * @return level |
| */ |
| LogLevel getObservationLevel(String observerIdentifier); |
| |
| /** |
| * Removes the given LogObserver from this Repository. |
| * |
| * @param observerIdentifier identifier of observer |
| * @return old log observer |
| */ |
| LogObserver removeObserver(String observerIdentifier); |
| |
| /** |
| * Removes all LogObservers from this Repository |
| */ |
| void removeAllObservers(); |
| |
| /** |
| * Sets the current logger for the component |
| * |
| * @param logger the logger to use |
| */ |
| void setLogger(ComponentLog logger); |
| |
| /** |
| * @return the current logger for the component |
| */ |
| ComponentLog getLogger(); |
| |
| boolean isDebugEnabled(); |
| |
| boolean isInfoEnabled(); |
| |
| boolean isWarnEnabled(); |
| |
| boolean isErrorEnabled(); |
| } |