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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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/*
 * 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.geode.internal.logging;

import java.util.logging.Level;

import org.apache.geode.i18n.LogWriterI18n;
import org.apache.geode.internal.i18n.LocalizedStrings;

/**
 * Extension that adds ERROR to the standard JDK logging level class.
 */
public class GemFireLevel extends Level {
  private static final long serialVersionUID = -8123818329485173242L;
  /**
   * ERROR is a message level indicating a problem. Unlike WARNING its not a potential problem.
   * Unlike SEVERE its not terminal.
   * 
   * In general ERROR messages should describe events that are of considerable importance but will
   * not prevent program execution. They should be reasonably intelligible to end users and to
   * system administrators. This level is initialized to 950.
   */
  public static final Level ERROR = new GemFireLevel("error", InternalLogWriter.ERROR_LEVEL);

  public static Level create(int code) {
    switch (code) {
      case InternalLogWriter.ALL_LEVEL:
        return ALL;
      case InternalLogWriter.FINEST_LEVEL:
        return FINEST;
      case InternalLogWriter.FINER_LEVEL:
        return FINER;
      case InternalLogWriter.FINE_LEVEL:
        return FINE;
      case InternalLogWriter.CONFIG_LEVEL:
        return CONFIG;
      case InternalLogWriter.INFO_LEVEL:
        return INFO;
      case InternalLogWriter.WARNING_LEVEL:
        return WARNING;
      case InternalLogWriter.ERROR_LEVEL:
        return ERROR;
      case InternalLogWriter.SEVERE_LEVEL:
        return SEVERE;
      case InternalLogWriter.NONE_LEVEL:
        return OFF;
      default:
        throw new IllegalArgumentException(LocalizedStrings.GemFireLevel_UNEXPECTED_LEVEL_CODE_0
            .toLocalizedString(Integer.valueOf(code)));
    }
  }

  public static Level create(LogWriterI18n log) {
    if (log.finestEnabled())
      return FINEST;
    if (log.finerEnabled())
      return FINER;
    if (log.fineEnabled())
      return FINE;
    if (log.configEnabled())
      return CONFIG;
    if (log.infoEnabled())
      return INFO;
    if (log.warningEnabled())
      return WARNING;
    if (log.errorEnabled())
      return ERROR;
    if (log.severeEnabled())
      return SEVERE;

    return OFF;
  }

  private GemFireLevel(String name, int code) {
    super(name, code);
  }

  protected Object readResolve() {
    return create(this.intValue());
  }
}