| /* |
| * 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.appender; |
| |
| import java.util.Objects; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.logging.log4j.core.Appender; |
| import org.apache.logging.log4j.core.Core; |
| import org.apache.logging.log4j.core.Layout; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.config.Property; |
| import org.apache.logging.log4j.core.config.plugins.Plugin; |
| import org.apache.logging.log4j.core.config.plugins.PluginAttribute; |
| import org.apache.logging.log4j.core.config.plugins.PluginFactory; |
| |
| /** |
| * No-Operation Appender that counts events. |
| */ |
| @Plugin(name = "CountingNoOp", category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = true) |
| public class CountingNoOpAppender extends AbstractAppender { |
| |
| private final AtomicLong total = new AtomicLong(); |
| |
| public CountingNoOpAppender(final String name, final Layout<?> layout) { |
| super(name, null, layout, true, Property.EMPTY_ARRAY); |
| } |
| |
| private CountingNoOpAppender(final String name, final Layout<?> layout, final Property[] properties) { |
| super(name, null, layout, true, properties); |
| } |
| |
| public long getCount() { |
| return total.get(); |
| } |
| |
| @Override |
| public void append(final LogEvent event) { |
| total.incrementAndGet(); |
| } |
| |
| /** |
| * Creates a CountingNoOp Appender. |
| */ |
| @PluginFactory |
| public static CountingNoOpAppender createAppender(@PluginAttribute("name") final String name) { |
| return new CountingNoOpAppender(Objects.requireNonNull(name), null, Property.EMPTY_ARRAY); |
| } |
| } |