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/*
 * MCS Media Computer Software Copyright (c) 2007 by MCS
 * -------------------------------------- Created on 11.01.2007 by W.Klaas
 * 
 * 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 de.mcs.jmeasurement.jmx;

import java.util.Date;

import de.mcs.jmeasurement.DefaultMeasurePoint;
import de.mcs.jmeasurement.MeasureFactory;
import de.mcs.jmeasurement.MeasurePoint;

/**
 * Proxy class for accessing the real measure point data. Because of the
 * autosaving feature we needed to determine the real measure point instance for
 * every data access. So we only save the point name in this class and get the
 * point by using MeasureFactory.getMeasurePoint(pointName) method.
 * 
 * @author W.Klaas
 * 
 */
public class JmxPoint {

  /** name of the point to use. */
  private String pointName;

  /**
   * Constructor of this proxy class. Only the name will be delivered.
   * 
   * @param name
   *            name of the point to use.
   */
  public JmxPoint(final String name) {
    this.pointName = name;
  }

  /**
   * getting the name of the point.
   * 
   * @return name
   */
  public final String getName() {
    return pointName;
  }

  /**
   * dynamic access to the measure point.
   * 
   * @return MeasurePoint.
   */
  private MeasurePoint getPoint() {
    return MeasureFactory.getMeasurePoint(pointName);
  }

  /**
   * @return the avverafe msec of all monitors of this measure point.
   */
  public final long getAverageMSec() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_AVERAGE_MSEC).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the minimum msec of a monitor of this measure point.
   */
  public final long getMinMSec() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_MIN_MSEC).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the maximum msec of a monitor of this measure point.
   */
  public final long getMaxMSec() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_MAX_MSEC).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the count of exception of this measure point.
   */
  public final String getExceptionList() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_EXCEPTION_LIST).getAsString();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return "";
  }

  /**
   * @return the count of exception of this measure point.
   */
  public final long getExceptionCount() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_EXCEPTION_COUNT).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the last activation of this measure point.
   */
  public final Date getLastActivation() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_LAST_ACTIVATION).getAsDate();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return new Date(0);
  }

  /**
   * @return the count of death monitors of this measure point.
   */
  public final long getDeathCount() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_DEATH_COUNT).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the maximum active monitors of this measure point.
   */
  public final long getMaxActive() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_MAX_ACTIVE).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the active monitors of this measure point.
   */
  public final long getActive() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_ACTIVE).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return 0;
  }

  /**
   * @return the total milli seconds of this measure point.
   */
  public final long getTotalMSec() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_TOTAL_MSEC).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return -1;
  }

  /**
   * @return the deviation of this measure point.
   */
  public final Float getDeviation() {
    try {
      return (Float) getPoint().getData(DefaultMeasurePoint.DATA_KEY_DEVIATION).getValue();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return new Float(0.0);
  }

  /**
   * @return the access count of this measure point.
   */
  public final long getAccessCount() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_ACCESS_COUNT).getAsLong();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return -1;
  }

  /**
   * @return the priority of this measure point.
   */
  public final String getPriority() {
    try {
      return getPoint().getData(DefaultMeasurePoint.DATA_KEY_PRIORITY).getAsString();
    } catch (Exception e) {
      e.printStackTrace();
    }
    return "";
  }
}