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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  
18  package org.apache.logging.log4j.core.async;
19  
20  import java.util.concurrent.BlockingQueue;
21  import java.util.concurrent.LinkedTransferQueue;
22  
23  import org.apache.logging.log4j.core.config.Node;
24  import org.apache.logging.log4j.core.config.plugins.Plugin;
25  import org.apache.logging.log4j.core.config.plugins.PluginFactory;
26  
27  /**
28   * Factory for creating instances of {@link LinkedTransferQueue}.
29   *
30   * @since 2.7
31   */
32  @Plugin(name = "LinkedTransferQueue", category = Node.CATEGORY, elementType = BlockingQueueFactory.ELEMENT_TYPE)
33  public class LinkedTransferQueueFactory<E> implements BlockingQueueFactory<E> {
34      @Override
35      public BlockingQueue<E> create(final int capacity) {
36          return new LinkedTransferQueue<>();
37      }
38  
39      @PluginFactory
40      public static <E> LinkedTransferQueueFactory<E> createFactory() {
41          return new LinkedTransferQueueFactory<>();
42      }
43  }