source: branches/autoquest-core-tasktrees-alignment/src/main/java/de/ugoe/cs/autoquest/tasktrees/treeifc/ITaskInfo.java @ 1733

//   Copyright 2012 Georg-August-Universität Göttingen, Germany
//
//   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.ugoe.cs.autoquest.tasktrees.treeifc;

/**
 * <p>
 * Provides extended information about a specific task, such as statistics about
 * task occurrences, etc. It contains measures for different metrics determined
 * for a task.
 * </p>
 * 
 * @author Patrick Harms
 */
public interface ITaskInfo {

        /**
         * <p>
         * represents a measure for a specific metric
         * </p>
         * 
         * @author Patrick Harms
         */
        public interface IMeasure {

                /**
                 * <p>
                 * returns the metric of the measure
                 * </p>
                 * 
                 * @return as described
                 */
                public TaskMetric getMetric();

                /**
                 * <p>
                 * returns the value of the measure
                 * </p>
                 * 
                 * @return as described
                 */
                public int getValue();

                /**
                 * <p>
                 * returns the value of the measure if the task was observed in a
                 * specific context, i.e. parent task
                 * </p>
                 * 
                 * @return as described
                 */
                public int getValue(ITask context);

        }

        /**
         * <p>
         * returns all available measures
         * </p>
         * 
         * @return as described
         */
        public IMeasure[] getMeasures();

        /**
         * <p>
         * returns the value of the measure identified through the given metric
         * </p>
         *
         * @param metric
         *            the metric for which the value is to be returned
         * 
         * @return as described
         */
        public int getMeasureValue(TaskMetric metric);

        /**
         * <p>
         * returns the value of the measure identified through the given metric if
         * the task is observed in the given context, i.e. parent task. The result
         * is Integer.MIN_VALUE if there is no value for this measure in a context.
         * </p>
         *
         * @param metric
         *            the metric for which the value is to be returned
         * @param context
         *            the context for which the measure value is to be returned
         * 
         * @return as described
         */
        public int getMeasureValue(TaskMetric metric, ITask context);

        /**
         * <p>
         * returns the task to which these infos belong
         * </p>
         * 
         * @return as described
         */
        public ITask getTask();

}