| /******************************************************************************* |
| * Copyright (c) 2006, 2011 IBM Corporation and others |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| ******************************************************************************/ |
| package org.eclipse.equinox.log; |
| |
| import org.osgi.service.log.*; |
| |
| /** |
| * Extends the OSGi Log Service's LogReaderService to allow better control of log listeners. |
| * @ThreadSafe |
| * @see LogListener |
| * @since 3.7 |
| */ |
| public interface ExtendedLogReaderService extends LogReaderService { |
| /** |
| * Subscribes to <code>LogEntry</code> objects. |
| * |
| * <p> |
| * This method registers a <code>LogListener</code> object with the Log Reader |
| * Service with a <code>LogFilter</code> to allow pre-filtering of interesting log entries. |
| * The <code>LogListener.logged(LogEntry)</code> method will be |
| * called for each <code>LogEntry</code> object placed into the log that matches the filter. |
| * |
| * @param listener A <code>LogListener</code> object to register; the |
| * <code>LogListener</code> object is used to receive <code>LogEntry</code> |
| * objects. |
| * @param filter A <code>LogFilter</code> object to register; the |
| * <code>LogFilter</code> object is used to filter <code>LogEntry</code> |
| * objects before sending them to the associated <code>LogListener</code>. |
| * @see LogListener |
| * @see LogFilter |
| * @see LogEntry |
| * @see LogReaderService#addLogListener(LogListener) |
| */ |
| public void addLogListener(LogListener listener, LogFilter filter); |
| } |