| /* |
| * 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.logging.log4j.core.jmx; |
| |
| import javax.management.ObjectName; |
| |
| import com.lmax.disruptor.RingBuffer; |
| |
| /** |
| * Instruments an LMAX Disruptor ring buffer. |
| */ |
| public class RingBufferAdmin implements RingBufferAdminMBean { |
| |
| private final RingBuffer<?> ringBuffer; |
| private final ObjectName objectName; |
| |
| public static RingBufferAdmin forAsyncLogger(final RingBuffer<?> ringBuffer, final String contextName) { |
| final String ctxName = Server.escape(contextName); |
| final String name = String.format(PATTERN_ASYNC_LOGGER, ctxName); |
| return new RingBufferAdmin(ringBuffer, name); |
| } |
| |
| public static RingBufferAdmin forAsyncLoggerConfig(final RingBuffer<?> ringBuffer, |
| final String contextName, final String configName) { |
| final String ctxName = Server.escape(contextName); |
| final String cfgName = Server.escape(configName); |
| final String name = String.format(PATTERN_ASYNC_LOGGER_CONFIG, ctxName, cfgName); |
| return new RingBufferAdmin(ringBuffer, name); |
| } |
| |
| protected RingBufferAdmin(final RingBuffer<?> ringBuffer, final String mbeanName) { |
| this.ringBuffer = ringBuffer; |
| try { |
| objectName = new ObjectName(mbeanName); |
| } catch (final Exception e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| @Override |
| public long getBufferSize() { |
| return ringBuffer == null ? 0 : ringBuffer.getBufferSize(); |
| } |
| |
| @Override |
| public long getRemainingCapacity() { |
| return ringBuffer == null ? 0 : ringBuffer.remainingCapacity(); |
| } |
| |
| /** |
| * Returns the {@code ObjectName} of this mbean. |
| * |
| * @return the {@code ObjectName} |
| * @see RingBufferAdminMBean#PATTERN_ASYNC_LOGGER |
| * @see RingBufferAdminMBean#PATTERN_ASYNC_LOGGER_CONFIG |
| */ |
| public ObjectName getObjectName() { |
| return objectName; |
| } |
| |
| } |