org.spf4j.perf.aspects.ThreadLocalCounter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of spf4j-aspects Show documentation

spf4j aspects for monitoring performance and retry

There is a newer version: 8.10.0

/*
 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Additionally licensed with:
 *
 * Licensed 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.spf4j.perf.aspects;

import org.spf4j.base.MutableInteger;

/**
 * This class should not be weaved.
 *
 * @author zoly
 */
public final class ThreadLocalCounter {

  private static final ThreadLocal SAMPLING_COUNTER = new ThreadLocal() {

    @Override
    protected MutableInteger initialValue() {
      return new MutableInteger(0);
    }

  };

  public static MutableInteger get() {
    return SAMPLING_COUNTER.get();
  }

  private ThreadLocalCounter() {
  }

}