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Diff for /pegasus/src/Pegasus/Common/CIMDateTime.h between version 1.38 and 1.50

version 1.38, 2004/05/05 19:43:41

version 1.50, 2006/01/30 16:16:46

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//%2003////////////////////////////////////////////////////////////////////////

//%2006////////////////////////////////////////////////////////////////////////

// Company, L. P., IBM Corp., The Open Group, Tivoli Systems.

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

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//==============================================================================

// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By: Karl Schopmeyer(k.schopmeyer@opengroup.org)

// Sushma Fernandes, Hewlett Packard Company

// (sushma_fernandes@hp.com)

// Roger Kumpf, Hewlett Packard Company (roger_kumpf@hp.com)

// Carol Ann Krug Graves, Hewlett-Packard Company

// (carolann_graves@hp.com)

// Amit K Arora (amita@in.ibm.com) for PEP-101

//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_DateTime_h

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#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/Array.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/AutoPtr.h>

PEGASUS_NAMESPACE_BEGIN

class CIMDateTimeRep

class CIMDateTimeRep;

{

public:

enum { FORMAT_LENGTH = 25 };

// Length of the string required to store only the date and time without

// the UTC sign and UTC offset.

// Format is yyyymmddhhmmss.

// Note : The size does not include the null byte.

enum { DATE_TIME_LENGTH = 14 };

// Length of the string required to store the formatted date and time

// Format is yyyy:mm:dd:hh:mm:ss.

enum { FORMATTED_DATE_TIME = 20 };

char data[FORMAT_LENGTH + 1];

};

/**

The CIMDateTime class represents the CIM datetime data type as a C++ class

CIMDateTime. A CIM datetime may contain a date or an interval. CIMDateTime

CIMDateTime. A CIM datetime may contain a time stamp or an interval.

is an intrinsic CIM data type that represents the time as a string with a

CIMDateTime is an intrinsic CIM data type that represents the time as a

fixed length.

string with a fixed length.

<PRE>

A date has the following form:

A time stamp has the following form:

yyyymmddhhmmss.mmmmmmsutc

Where

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mmmmmm = microseconds

</PRE>

Note: Intervals always end in ":000". This distinguishes intervals from dates.

Note: Intervals always end in ":000". This distinguishes intervals from

time stamps.

CIMDateTime objects are constructed from String objects or from

other CIMDateTime objects. Character strings must be exactly

twenty-five characters in length and conform to either the date or interval

twenty-five characters in length and conform to either the time stamp

format.

or interval format.

CIMDateTime objects that are not explicitly initialized will be

implicitly initialized with a zero time interval:

00000000000000.000000:000

The following table shows what arithmetic operations are allowed

between CIMDateTime types. The entries in the last four columns define

the type of the result when the operation, specified in the column header,

is performed on operands, of the types specified in the first two columns.

<PRE>

LHS - left hand side TS - time stamp int - integer

RHS - right hand side IV - interval

X - operation not allowed between types

LHS RHS + - * /

_____________________________________________

TS TS X IV X X

TS IV TS TS X X

TS int X X X X

IV IV IV IV X int

IV TS X X X X

IV int X X IV IV

int TS X X X X

int IV X X X X

</PRE>

The relational operators may only operate on two operands of the same type,

i.e. two time stamps or two intervals.

class PEGASUS_COMMON_LINKAGE CIMDateTime

{

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CIMDateTime();

/** Creates a new CIMDateTime object from a string constant representing

the CIM DateTime-formatted datetime.

the CIM DateTime formatted datetime.

See the class documentation for CIMDateTime for the definition of the

input string for absolute and interval datetime.

@param str String object containing the CIM DateTime-formatted string.

@param str String object containing the CIMDateTime formatted string.

This must contain twenty-five characters.

@exception InvalidDateTimeFormatException If the input string is not

formatted correctly.

CIMDateTime(const String & str);

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CIMDateTime(const CIMDateTime& x);

/** Creates a CIMDateTime object from an integer.

@param microSec For a time stamp, the number of microseconds since

the epoch 0/0/0000 (12 am Jan 1, 1BCE); For an interval, the number

of microseconds in the interval.

@param interval Specifies whether the CIMDateTime object is to be

created as an interval value (true) or a time stamp (false).

@exception DateTimeOutOfRangeException If the microSec value is too

large (greater than 317,455,200,000,000,000 for a time stamps or

8,640,000,000,000,000,000 for an interval).

@exception InvalidDateTimeFormatException If the CIMDateTime object is

not formed correctly.

CIMDateTime(Uint64 microSec, Boolean interval);

/** CIMDateTime destructor. */

~CIMDateTime();

/** Assigns one instance of the CIMDateTime object to another.

@param x The CIMDateTime Object to assign to the CIMDateTime object.

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String toString () const;

/** Sets the date and time in the CIMDateTime object from

/** Sets the datetime value from the input parameter.

the input parameter.

@param str String containing the new value in the datetime format

@param str String constant containing the datetime

(specified in the CIMDateTime class description). For example, the

in the datetime format. This must conform the to formatting rules specified

following sets the date to December 24, 1999 and time to 12:00 P.M.

in the CIMDateTime class description. For example, the following sets

EST.

the date to December 24, 1999 and time to 12:00 P.M.

<PRE>

CIMDateTime dt;

dt.set("19991224120000.000000+360");

dt.set("19991224120000.000000-300");

</PRE>

@exception InvalidDateTimeFormatException because the date and time is not

@exception InvalidDateTimeFormatException If the datetime String is not

formatted correctly. See the CIMDateTime class decscription for the

formatted correctly.

formatting rules.

void set(const String & str);

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void clear();

/** Receives the current time as CIMDateTime. The time is returned as the local time.

/** Returns the current local time in a CIMDateTime object.

@return CIMDateTime object containing the current date and time.

@return CIMDateTime object containing the current local date and time.

static CIMDateTime getCurrentDateTime();

/** Computes the difference in microseconds between two CIMDateTime dates or

/** Computes the difference in microseconds between two CIMDateTime time

two CIMDateTime intervals.

stamps or two CIMDateTime intervals.

@param startTime Contains the start datetime.

@param finishTime Contains the finish datetime.

@return Integer that contains the difference between the two datetime values

@return An integer that contains the difference between the two

in microseconds.

datetime values (in microseconds).

@exception InvalidDateTimeFormatException If one argument uses the interval

@exception InvalidDateTimeFormatException If arguments are not the same

format and the other uses the string format.

type of CIMDateTime.

@exception DateTimeOutOfRangeException If datetime is outside the allowed

range.

Note: The behavior on HP-UX and Windows platform is to throw an exception

when the dates are out of range. Red Hat Linux platform normalizes the

dates when they are outside their legal interval and will not throw an

exception.

Allowed Date Range:

The mktime (3C) man page on HP-UX does not document the allowed range.

The approximate range of dates allowed on HP-UX is between

1901 and 2038.

On Windows platform, the approximate range is between 1970 to 2038.

On Red Hat Linux platform the approximate range is between 1901 and 2038.

static Sint64 getDifference(CIMDateTime startTime, CIMDateTime finishTime);

/** Checks whether the datetime is an interval.

@return True if the datetime is an interval; otherwise, false.

@return True if the datetime is an interval value, false otherwise.

Boolean isInterval() const;

Boolean isInterval();

/** Compares the CIMDateTime object to another CIMDateTime object for

equality.

@param x CIMDateTime object to be compared.

@return true if the two CIMDateTime objects are equal; otherwise, false.

@return true if the two CIMDateTime objects are equal, false otherwise

@exception TypeMismatchException If arguments are of different types.

Boolean equal (const CIMDateTime & x) const;

/** Converts a CIMDateTime object to its microsecond representation.

@return Number of microseconds since the epoch (for time stamps) or

in a span of time (for intervals).

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

Uint64 toMicroSeconds() const;

/** Adds two CIMDateTime objects and returns a CIMDateTime object that

represents the sum.

@param cDT operand on the RHS of the operator

@return A CIMDateTime object that is the result of adding the calling

object to the RHS operand

@exception DateTimeOutOfRangeException If the operation causes an

overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

CIMDateTime operator+(const CIMDateTime& cDT) const;

/** Adds two CIMDateTime objects, returns the sum and changes

the value of the calling CIMDateTime object to match the return value.

@param cDT operand on the RHS of the operator

@return A CIMDateTime object that is the result of adding the calling

object to the RHS operand

@exception DateTimeOutOfRangeException If the operation causes an

overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

CIMDateTime & operator+=(const CIMDateTime& cDT);

/** Subtracts one CIMDateTime object from another and returns a

CIMDateTime object that represents the difference.

@param cDT operand on the RHS of the operator

@return A CIMDateTime object that is the result of subtracting the

the RHS object from the calling.

@exception DateTimeOutOfRangeException If the operation causes an

underflow condition or conversion to UTC (an internal operation)

causes an overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

CIMDateTime operator-(const CIMDateTime& cDT) const;

/** Subtracts one CIMDateTime object from another, returns the difference

and changes the value of the calling CIMDateTime object to match the

return value.

@param cDT operand on the RHS of the operator

@return A CIMDateTime object that is the result of subtracting the

object on the RHS from the calling object.

@exception DateTimeOutOfRangeException If the operation causes an

underflow condition or conversion to UTC (an internal operation)

causes an overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

CIMDateTime & operator-=(const CIMDateTime& cDT);

/** Multiplies a CIMDateTime object by an integer and returns a CIMDateTime

object that represents the product.

@param num integer operand on the RHS of the operator

@return A CIMDateTime object that is the result of multiplying the

calling object by the RHS operand.

@exception DateTimeOutOfRangeException If the operation causes an

overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

CIMDateTime operator*(Uint64 num) const;

/** Multiplies a CIMDateTime object by an integer, returns the product

and changes the value of the calling object to match the returned

product.

@param num integer operand on the RHS of the operator

@return A CIMDateTime object that is the result of multiplying the

calling object by the RHS operand.

@exception DateTimeOutOfRangeException If the operation causes an

overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

CIMDateTime & operator*=(Uint64 num);

/** Divides a CIMDateTime object by an integer and returns a CIMDateTime

object that represents the quotient.

@param num integer operand on the RHS of the operator

@return A CIMDateTime object that is the result of dividing the calling

object by the RHS operand.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException If the CIMDateTime object does not

hold an interval value (see table of operations).

@exception Exception if param num is zero.

CIMDateTime operator/(Uint64 num) const;

/** Divides a CIMDateTime object by an integer, returns the quotient

and changes the value of the calling object to match the returned

quotient.

@param num integer operand on the RHS of the operator

@return A CIMDateTime object that is the result of dividing the calling

object by the RHS operand.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException If the CIMDateTime object does not

hold an interval value (see table of operations).

@exception Exception if param num is zero.

CIMDateTime & operator/=(Uint64 num);

/** Divides a CIMDateTime object by another CIMDateTime object and returns

an integer quotient.

@param cdt CIMDateTime object on the RHS of the operator

@return An integer that is the result of dividing the number of

microseconds represented by the calling CIMDateTime object by the

number of microseconds represented by the CIMDateTime object on the

RHS of the operator.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException If the operands are not type

compatible (see table of operations).

Uint64 operator/(const CIMDateTime& cdt) const;

/** Compare two CIMDateTime objects and returns true if the LHS is

less than the RHS.

@param cDT operand on the RHS of the operator

@return true if the LHS is less than the RHS, false otherwise.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException if operands are not of the same

type.

Boolean operator<(const CIMDateTime& cDT) const;

/** Compare two CIMDateTime objects and returns true if the LHS is

less than or equal to the RHS.

@param cDT operand on the RHS of the operator

@return true if the LHS is less than or equal to the RHS, false

otherwise.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException if operands are not of the same

type.

Boolean operator<=(const CIMDateTime& cDT) const;

/** Compare two CIMDateTime objects and returns true if the LHS is

greater than the RHS.

@param cDT operand on the RHS of the operator

@return true if the LHS is greater than the RHS, false otherwise.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException if operands are not of the same

type.

Boolean operator>(const CIMDateTime & cDT) const;

/** Compare two CIMDateTime objects and returns true if the LHS is

greater than or equal to the RHS.

@param cDT operand on the RHS of the operator

@return true if the LHS is greater than or equal to the RHS, false

otherwise.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException if operands are not of the same

type.

Boolean operator>=(const CIMDateTime & cDT) const;

/** Compare two CIMDateTime objects and returns true if the LHS is

not equal to the RHS.

@param cDT operand on the RHS of the operator

@return true if the LHS is not equal to RHS, false otherwise.

@exception DateTimeOutOfRangeException If conversion to UTC (an

internal operation) causes an overflow condition.

@exception TypeMismatchException if operands are not of the same

type.

Boolean operator!=(const CIMDateTime & cDT) const;

private:

AutoPtr<CIMDateTimeRep> _rep;//PEP101

CIMDateTimeRep* _rep;

Boolean _set(const String & dateTimeStr);

enum Field {ONLY_WILD_CARDS, SOME_WILD_CARDS, ONLY_DIGITS, ERR};

Field fieldcheck(const String & in_p, String & rep_field);

Boolean restOfFields(Uint32 start_position,const String & inStr);

Uint64 _toMicroSeconds();

void convertToUTC();

void setUtcOffSet(Sint32 utc);

void insert_WildCard(Uint32 index);

Uint32 getHighestWildCardPosition(const CIMDateTime & cDT_s);

};

/**

Add documentation here.

/** Compares two CIMDateTime objects and returns true if they represent the

same time or length of time.

@param x one of the CIMDateTime objects to be compared

@param y one of the CIMDateTime objects to be compared

@return true if the two objects passed in represent the same time or

length of time, false otherwise.

PEGASUS_COMMON_LINKAGE Boolean operator==(

/**

Add documentation here.

const CIMDateTime& x,

/**

Add documentation here.

const CIMDateTime& y);

#define PEGASUS_ARRAY_T CIMDateTime

# include <Pegasus/Common/ArrayInter.h>

#undef PEGASUS_ARRAY_T

PEGASUS_NAMESPACE_END

#endif /* Pegasus_DateTime_h */

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