content: /*
   * 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.ambari.server.controller.logging;
  
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.slf4j.Logger;
  
  /**
   * Utility class to hold static convenience methods for
   * the LogSearch integration layer
   *
   */
  public class Utils {
  
    private static int WAIT_COUNT_MAX = 1000;
  
    // dis-allow creating separate instances of this class, since
    // only static methods will be allowed on this convenience class
    private Utils() {}
  
    static void logErrorMessageWithThrowableWithCounter(Logger logger, AtomicInteger atomicInteger, String errorMessage, Throwable throwable) {
      logErrorMessageWithThrowableWithCounter(logger, atomicInteger, errorMessage, throwable, WAIT_COUNT_MAX);
    }
  
  
    static void logErrorMessageWithThrowableWithCounter(Logger logger, AtomicInteger atomicInteger, String errorMessage, Throwable throwable, int maxCount) {
      if (atomicInteger.getAndIncrement() == 0) {
        // only log the message once every maxCount attempts
        logger.error(errorMessage, throwable);
      } else {
        // if we've hit maxCount attempts, reset the counter
        atomicInteger.compareAndSet(maxCount, 0);
      }
    }
  
    static void logErrorMessageWithCounter(Logger logger, AtomicInteger atomicInteger, String errorMessage) {
      logErrorMessageWithCounter(logger, atomicInteger, errorMessage, WAIT_COUNT_MAX);
    }
  
    static void logErrorMessageWithCounter(Logger logger, AtomicInteger atomicInteger, String errorMessage, int maxCount) {
      if (atomicInteger.getAndIncrement() == 0) {
        // only log the message once every maxCount attempts
        logger.error(errorMessage);
      } else {
        // if we've hit maxCount attempts, reset the counter
        atomicInteger.compareAndSet(maxCount, 0);
      }
    }
  
    static void logDebugMessageWithCounter(Logger logger, AtomicInteger atomicInteger, String errorMessage) {
      logDebugMessageWithCounter(logger, atomicInteger, errorMessage, WAIT_COUNT_MAX);
    }
  
    static void logDebugMessageWithCounter(Logger logger, AtomicInteger atomicInteger, String debugMessage, int maxCount) {
      if (atomicInteger.getAndIncrement() == 0) {
        // only log the message once every maxCount attempts
        logger.debug(debugMessage);
      } else {
        // if we've hit maxCount attempts, reset the counter
        atomicInteger.compareAndSet(maxCount, 0);
      }
    }
  }
  