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I'd like to use the folowing function to convert from Joda Time to Unix timestamp:
def toUnixTimeStamp(dt : DateTime) : Int = { val millis = dt.getMillis val seconds = if(millis % 1000 == 0) millis / 1000 else { throw new IllegalArgumentException ("Too precise timestamp") } if (seconds > 2147483647) { throw new IllegalArgumentException ("Timestamp out of range") } seconds } Time values I intend to get are never expected to be millisecond-precise, they are second-precise UTC by contract and are to be further stored (in a MySQL DB) as Int, standard Unix timestamps are our company standard for time records. But Joda Time only provides getMillis and not getSeconds, so I have to get a Long millisecond-precise timestamp and divide it by 1000 to produce a standard Unix timestamp.
And I am stuck making Scala to make an Int out of a Long value. How to do such a cast?
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To convert, or cast, a string to an integer in Python, you use the int() built-in function. The function takes in as a parameter the initial string you want to convert, and returns the integer equivalent of the value you passed. The general syntax looks something like this: int("str") .
In Scala, Long is a 64-bit signed integer, which is equivalent to Java's long primitive type. The &(x: Long) method is utilized to return the Bitwise AND of the specified Long value and Long value. Method Definition – def &(x: Long) Returns – Returns the Bitwise AND of this value and x.
Use the .toInt method on Long, i.e. seconds.toInt
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