cascading.operation.text
Class DateParser

java.lang.Object
  cascading.operation.BaseOperation
      cascading.operation.text.DateOperation
          cascading.operation.text.DateParser

All Implemented Interfaces:

Function, Operation, Serializable

public class DateParser
extends DateOperation
implements Function

Class DateParser is used to convert a text date string to a timestamp, the number of milliseconds since January 1, 1970, 00:00:00 GMT, using the SimpleDateFormat syntax.

If given, individual Calendar fields can be stored in unique fields for a given TimeZone and Locale.

See Also:

Serialized Form

Field Summary

static String

FIELD_NAME Field FIELD_NAME

Fields inherited from class cascading.operation.text.DateOperation

locale, zone

Fields inherited from class cascading.operation.BaseOperation

fieldDeclaration, numArgs, trace

Fields inherited from interface cascading.operation.Operation

ANY

Constructor Summary

DateParser(Fields fieldDeclaration, int[] calendarFields, String dateFormatString)
Constructor DateParser creates a new DateParser instance, where calendarFields is an int[] of Calendar field values.

DateParser(Fields fieldDeclaration, int[] calendarFields, TimeZone zone, Locale locale, String dateFormatString)
Constructor DateParser creates a new DateParser instance, where calendarFields is an int[] of Calendar field values.

DateParser(Fields fieldDeclaration, String dateFormatString)
Constructor DateParser creates a new DateParser instance.

DateParser(Fields fieldDeclaration, TimeZone zone, Locale locale, String dateFormatString)
Constructor DateParser creates a new DateParser instance, where zone and locale are passed to the internal SimpleDateFormat instance.

DateParser(String dateFormatString)
Constructor DateParser creates a new DateParser instance that creates a simple long time stamp of the parsed date.

Method Summary

void	operate(FlowProcess flowProcess, FunctionCall functionCall) Method operate provides the implementation of this Function.

Methods inherited from class cascading.operation.text.DateOperation

getCalendar, getDateFormat

Methods inherited from class cascading.operation.BaseOperation

cleanup, getFieldDeclaration, getNumArgs, getTrace, prepare, printOperationInternal, toString, toStringInternal

Methods inherited from class java.lang.Object

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

Methods inherited from interface cascading.operation.Operation

cleanup, getFieldDeclaration, getNumArgs, prepare

Field Detail

FIELD_NAME

public static final String FIELD_NAME

Field FIELD_NAME

See Also:

Constant Field Values

Constructor Detail

DateParser

public DateParser(String dateFormatString)

Constructor DateParser creates a new DateParser instance that creates a simple long time stamp of the parsed date.

Parameters:

dateFormatString - of type String

DateParser

public DateParser(Fields fieldDeclaration,
                  String dateFormatString)

Constructor DateParser creates a new DateParser instance.

Parameters:

fieldDeclaration - of type Fields

dateFormatString - of type String

DateParser

public DateParser(Fields fieldDeclaration,
                  int[] calendarFields,
                  String dateFormatString)

Constructor DateParser creates a new DateParser instance, where calendarFields is an int[] of Calendar field values. See Calendar.get(int).

Parameters:

fieldDeclaration - of type Fields

calendarFields - of type int[]

dateFormatString - of type String

DateParser

public DateParser(Fields fieldDeclaration,
                  TimeZone zone,
                  Locale locale,
                  String dateFormatString)

Constructor DateParser creates a new DateParser instance, where zone and locale are passed to the internal SimpleDateFormat instance.

Parameters:

fieldDeclaration - of type Fields

zone - of type TimeZone

locale - of type Locale

dateFormatString - of type String

DateParser

public DateParser(Fields fieldDeclaration,
                  int[] calendarFields,
                  TimeZone zone,
                  Locale locale,
                  String dateFormatString)

Constructor DateParser creates a new DateParser instance, where calendarFields is an int[] of Calendar field values. See Calendar.get(int). The TimeZone and/or Locale may also be set.

Parameters:

fieldDeclaration - of type Fields

calendarFields - of type int[]

zone - of type TimeZone

locale - of type Locale

dateFormatString - of type String

Method Detail

operate

public void operate(FlowProcess flowProcess,
                    FunctionCall functionCall)

Description copied from interface: Function

Method operate provides the implementation of this Function.

Specified by:

operate in interface Function

Parameters:

flowProcess - of type FlowProcess

functionCall - of type FunctionCall

See Also:

Function.operate(cascading.flow.FlowProcess,cascading.operation.FunctionCall)