Package com.googlecode.cqengine.query.parser.cqn.support

Class DateMathParser

java.lang.Object

com.googlecode.cqengine.query.parser.common.ValueParser<Date>

com.googlecode.cqengine.query.parser.cqn.support.DateMathParser

Direct Known Subclasses:

DateMathParser

public class DateMathParser
extends ValueParser<Date>

Parses date math expressions into Date objects, using ApacheSolrDataMathParser.

Examples:

   /HOUR
      ... Round to the start of the current hour
   /DAY
      ... Round to the start of the current day
   +2YEARS
      ... Exactly two years in the future from now
   -1DAY
      ... Exactly 1 day prior to now
   /DAY+6MONTHS+3DAYS
      ... 6 months and 3 days in the future from the start of
          the current day
   +6MONTHS+3DAYS/DAY
      ... 6 months and 3 days in the future from now, rounded
          down to nearest day
 

See ApacheSolrDataMathParser for more details.

Author:

niall.gallagher

Constructor Summary

Constructors

Constructor	Description
DateMathParser()
DateMathParser(Date now)
DateMathParser(TimeZone timeZone, Locale locale)
DateMathParser(TimeZone timeZone, Locale locale, Date now)

Method Summary

Modifier and Type	Method	Description
protected Date	parse(Class<? extends Date> valueType, String stringValue)
protected String	stripQuotes(String stringValue)

Methods inherited from class com.googlecode.cqengine.query.parser.common.ValueParser

validatedParse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DateMathParser

public DateMathParser()

DateMathParser

public DateMathParser(Date now)

DateMathParser

public DateMathParser(TimeZone timeZone,
                      Locale locale)

DateMathParser

public DateMathParser(TimeZone timeZone,
                      Locale locale,
                      Date now)

Method Detail

parse

protected Date parse(Class<? extends Date> valueType,
                     String stringValue)

Specified by:

parse in class ValueParser<Date>

stripQuotes

protected String stripQuotes(String stringValue)