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/*
 * Copyright (C) 2010 Evgeny Mandrikov
 *
 * 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 org.sonar.plugins.buildstability;

import org.sonar.api.measures.Metric;
import org.sonar.api.measures.Metrics;

import java.util.Arrays;
import java.util.List;

/**
 * TODO:
 * Average time to fix a failure
 *
 * @author Evgeny Mandrikov
 */
public class BuildStabilityMetrics implements Metrics {
  public static final String DOMAIN_BUILD = "Continuous integration";

  /**
   * Number of builds.
   */
  public static final Metric BUILDS = new Metric(
      "builds",
      "Builds",
      "Number of builds",
      Metric.ValueType.INT,
      Metric.DIRECTION_NONE,
      false,
      DOMAIN_BUILD
  );

  /**
   * Number of failed builds.
   */
  public static final Metric FAILED = new Metric(
      "build_failures",
      "Failed Builds",
      "Number of failed builds",
      Metric.ValueType.INT,
      Metric.DIRECTION_WORST,
      false,
      DOMAIN_BUILD
  );

  /**
   * Ratio of successful builds. Measured as percentage of successful builds out of all last builds.
   */
  public static final Metric SUCCESS_RATE = new Metric(
      "build_success_density", // key
      "Success Rate (%)", // name
      "Ratio of successful builds", // description
      Metric.ValueType.PERCENT,
      Metric.DIRECTION_BETTER,
      false,
      DOMAIN_BUILD
  );

  /**
   * Build average duration. Includes only duration of successful builds.
   */
  public static final Metric AVG_DURATION = new Metric(
      "build_average_duration",
      "Average Duration",
      "Average Duration",
      Metric.ValueType.MILLISEC,
      Metric.DIRECTION_WORST,
      false,
      DOMAIN_BUILD
  );

  /**
   * Duration of longest successful build.
   */
  public static final Metric LONGEST_DURATION = new Metric(
      "build_longest_duration",
      "Longest duration",
      "Duration of longest successful build",
      Metric.ValueType.MILLISEC,
      Metric.DIRECTION_NONE, // TODO
      false,
      DOMAIN_BUILD
  );

  /**
   * Duration of shortest successful build.
   */
  public static final Metric SHORTEST_DURATION = new Metric(
      "build_shortest_duration",
      "Shortest duration",
      "Duration of shortest successful build",
      Metric.ValueType.MILLISEC,
      Metric.DIRECTION_NONE, // TODO
      false,
      DOMAIN_BUILD
  );

  /**
   * TODO comment me (seconds)
   */
  public static final Metric DURATIONS = new Metric(
      "build_durations",
      "Durations",
      "Durations",
      Metric.ValueType.DATA,
      Metric.DIRECTION_NONE,
      false,
      DOMAIN_BUILD
  );

  public static final Metric RESULTS = new Metric(
      "build_results",
      "Results",
      "Results",
      Metric.ValueType.DATA,
      Metric.DIRECTION_NONE,
      false,
      DOMAIN_BUILD
  );

  public List getMetrics() {
    return Arrays.asList(
        BUILDS,
        FAILED,
        SUCCESS_RATE,
        AVG_DURATION,
        LONGEST_DURATION,
        SHORTEST_DURATION,
        DURATIONS,
        RESULTS
    );
  }
}