| /* |
| * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.internal.runtime.events; |
| |
| import java.util.logging.Level; |
| import jdk.nashorn.internal.objects.NativeDebug; |
| import jdk.nashorn.internal.runtime.options.Options; |
| |
| /** |
| * Class for representing a runtime event, giving less global dependencies than logger. |
| * Every {@link NativeDebug} object keeps a queue of RuntimeEvents that can be explored |
| * through the debug API. |
| * |
| * @param <T> class of the value this event wraps |
| */ |
| public class RuntimeEvent<T> { |
| /** Queue size for the runtime event buffer */ |
| public static final int RUNTIME_EVENT_QUEUE_SIZE = Options.getIntProperty("nashorn.runtime.event.queue.size", 1024); |
| |
| private final Level level; |
| private final T value; |
| |
| /** |
| * Constructor |
| * |
| * @param level log level for runtime event to create |
| * @param object object to wrap |
| */ |
| public RuntimeEvent(final Level level, final T object) { |
| this.level = level; |
| this.value = object; |
| } |
| |
| /** |
| * Return the value wrapped in this runtime event |
| * @return value |
| */ |
| public final T getValue() { |
| return value; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(); |
| |
| sb.append('['). |
| append(level). |
| append("] "). |
| append(value == null ? "null" : getValueClass().getSimpleName()). |
| append(" value="). |
| append(value); |
| |
| return sb.toString(); |
| } |
| |
| /** |
| * Descriptor for this runtime event, must be overridden and |
| * implemented, e.g. "RewriteException" |
| * @return event name |
| */ |
| public final Class<?> getValueClass() { |
| return value.getClass(); |
| } |
| } |