source: trunk/grails-app/domain/dbnp/studycapturing/Event.groovy @ 139

package dbnp.studycapturing

import groovy.time.*

/**
 * The Event class describes an actual event, as it has happened to a certain subject. Often, the same event occurs
 * to multiple subjects at the same time. That is why the actual description of the event is factored out into a more
 * general EventDescription class. Events that also lead to sample(s) should be instantiated as SamplingEvents.
 */
class Event {

        Subject subject
        EventDescription eventDescription
        Date startTime
        Date endTime
        Map parameterStringValues
        Map parameterIntegerValues
        Map parameterFloatValues

        static hasMany = [
                parameterStringValues : String, // stores both STRING and STRINGLIST items (latter should be checked against the list)
                parameterIntegerValues : int,
                parameterFloatValues : float
        ]

        // static constraints = { }

        def getDuration() {
                //endTime - startTime  // this is not documented and does not work either
                // so, it's useless.
                // thus, do this manually as follows

                def timeMillis = (endTime.getTime() - startTime.getTime()).abs()
                def days = (timeMillis / (1000 * 60 * 60 * 24)).toInteger()
                def hours = (timeMillis / (1000 * 60 * 60)).toInteger()
                def minutes = (timeMillis / (1000 * 60)).toInteger()
                def seconds = (timeMillis / 1000).toInteger()
                def millis = (timeMillis % 1000).toInteger()

                return new Duration(days, hours, minutes, seconds, millis)
        }


        def getDurationString() {
                def d = getDuration()
                return "${d.days} days, ${d.hours} hrs, ${d.minutes} min, ${d.seconds} sec."
        }


}