com.orbitz.monitoring.api.MonitoringLevel Maven / Gradle / Ivy

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package com.orbitz.monitoring.api;

import java.io.Serializable;

/**
 * MonitoringLevel
 */
public class MonitoringLevel implements Serializable {
    private String _levelStr;
    private int _level;

    private static final long serialVersionUID = 1L;

    /** DEBUG - Level with lowest processing priority */
    final static public MonitoringLevel DEBUG = new MonitoringLevel("DEBUG", 300);
    /** INFO - Default level for Monitors */
    final static public MonitoringLevel INFO = new MonitoringLevel("INFO", 200);
    /** ESSENTIAL - Level with highest processing priority */
    final static public MonitoringLevel ESSENTIAL = new MonitoringLevel("ESSENTIAL", 100);

    private MonitoringLevel(String levelStr, int level) {
        _levelStr = levelStr;
        _level = level;
    }

    /**
     * Given a string representing a level, return the appropriate MonitoringLevel.
     * If the string provided does not match a level, INFO will be returned as the default
     *
     * @param levelStr representing the level desired
     * @return a MonitoringLevel matching the string provided, or INFO if no match was found
     */
    public static MonitoringLevel toLevel(String levelStr) {
        if (ESSENTIAL._levelStr.equalsIgnoreCase(levelStr)) {
            return MonitoringLevel.ESSENTIAL;
        } else if (DEBUG._levelStr.equalsIgnoreCase(levelStr)) {
            return MonitoringLevel.DEBUG;
        } else {
            return MonitoringLevel.INFO;
        }
    }

    /**
     * Given a string representing a level, return whether or not that string matches a MonitoringLevel
     * @param levelStr represents a level
     * @return true if the string corresponds to a MonitoringLevel, otherwise false
     */
    public static boolean isValidLevelStr(String levelStr) {
        return ESSENTIAL._levelStr.equalsIgnoreCase(levelStr) || INFO._levelStr.equalsIgnoreCase(levelStr)
                || DEBUG._levelStr.equalsIgnoreCase(levelStr);
    }

    public boolean hasHigherPriorityThan(MonitoringLevel monitoringLevel) {
        return _level < monitoringLevel._level;
    }

    public boolean hasHigherOrEqualPriorityThan(MonitoringLevel monitoringLevel) {
        return _level <= monitoringLevel._level;
    }

    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        MonitoringLevel that = (MonitoringLevel) o;

        if (_level != that._level) return false;

        return true;
    }

    public int hashCode() {
        return _level;
    }

    public String toString() {
        return _levelStr;
    }
}