/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v2.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.rolling;
  
  import ch.qos.logback.core.rolling.SizeAndTimeBasedFileNamingAndTriggeringPolicy.Usage;
  import ch.qos.logback.core.util.FileSize;
  
  public class SizeAndTimeBasedRollingPolicy<E> extends TimeBasedRollingPolicy<E> {
  
      static long MAX_COMPRESSION_FACTOR = 20;
  
      FileSize maxFileSize;
  
      @Override
      public void start() {
          SizeAndTimeBasedFileNamingAndTriggeringPolicy<E> sizeAndTimeBasedFNATP = new SizeAndTimeBasedFileNamingAndTriggeringPolicy<E>(Usage.EMBEDDED);
          if (maxFileSize == null) {
              addError("maxFileSize property is mandatory.");
              return;
          } else {
              addInfo("Archive files will be limited to [" + maxFileSize + "] each.");
          }
  
          sizeAndTimeBasedFNATP.setMaxFileSize(maxFileSize);
          timeBasedFileNamingAndTriggeringPolicy = sizeAndTimeBasedFNATP;
  
          if (!isUnboundedTotalSizeCap() && totalSizeCap.getSize() < maxFileSize.getSize()/MAX_COMPRESSION_FACTOR) {
              addWarn("totalSizeCap of [" + totalSizeCap + "] is much smaller than maxFileSize [" + maxFileSize
                      + "] which is non-sensical, even taking compression into account.");
          }
  
          // most work is done by the parent
          super.start();
      }
  
      public void setMaxFileSize(FileSize aMaxFileSize) {
          this.maxFileSize = aMaxFileSize;
      }
  
      @Override
      public String toString() {
          return "c.q.l.core.rolling.SizeAndTimeBasedRollingPolicy@" + this.hashCode();
      }
  }