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    1   /*
    2    * Copyright 2009 Red Hat, Inc.
    3    *
    4    * Red Hat licenses this file to you under the Apache License, version 2.0
    5    * (the "License"); you may not use this file except in compliance with the
    6    * License.  You may obtain a copy of the License at:
    7    *
    8    *    http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
    13   * License for the specific language governing permissions and limitations
    14   * under the License.
    15   */
    16  package org.jboss.netty.util.internal;
    17
    18  /**
    19   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    20   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    21   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    22   */
    23  public class ThreadLocalBoolean extends ThreadLocal<Boolean> {
    24
    25      private final boolean defaultValue;
    26
    27      public ThreadLocalBoolean() {
    28          this(false);
    29      }
    30
    31      public ThreadLocalBoolean(boolean defaultValue) {
    32          this.defaultValue = defaultValue;
    33      }
    34
    35      @Override
    36      protected Boolean initialValue() {
    37          return defaultValue? Boolean.TRUE : Boolean.FALSE;
    38      }
    39  }