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org.joda.time
Class Minutes

java.lang.Object
  extended by org.joda.time.base.BaseSingleFieldPeriod
      extended by org.joda.time.Minutes
All Implemented Interfaces:
Serializable, Comparable<BaseSingleFieldPeriod>, ReadablePeriod
public final class Minutes
extends BaseSingleFieldPeriod

An immutable time period representing a number of minutes.

Minutes is an immutable period that can only store minutes. It does not store years, months or hours for example. As such it is a type-safe way of representing a number of minutes in an application.

The number of minutes is set in the constructor, and may be queried using getMinutes(). Basic mathematical operations are provided - plus(), minus(), multipliedBy() and dividedBy().

Minutes is thread-safe and immutable.

Since:
1.4
See Also:
Serialized Form

Field Summary
static Minutes MAX_VALUE
          Constant representing the maximum number of minutes that can be stored in this object.
static Minutes MIN_VALUE
          Constant representing the minimum number of minutes that can be stored in this object.
static Minutes ONE
          Constant representing one minute.
static Minutes THREE
          Constant representing three minutes.
static Minutes TWO
          Constant representing two minutes.
static Minutes ZERO
          Constant representing zero minutes.
 
Method Summary
 Minutes dividedBy(int divisor)
          Returns a new instance with the minutes divided by the specified divisor.
 DurationFieldType getFieldType()
          Gets the duration field type, which is minutes.
 int getMinutes()
          Gets the number of minutes that this period represents.
 PeriodType getPeriodType()
          Gets the period type, which is minutes.
 boolean isGreaterThan(Minutes other)
          Is this minutes instance greater than the specified number of minutes.
 boolean isLessThan(Minutes other)
          Is this minutes instance less than the specified number of minutes.
 Minutes minus(int minutes)
          Returns a new instance with the specified number of minutes taken away.
 Minutes minus(Minutes minutes)
          Returns a new instance with the specified number of minutes taken away.
static Minutes minutes(int minutes)
          Obtains an instance of Minutes that may be cached.
static Minutes minutesBetween(ReadableInstant start, ReadableInstant end)
          Creates a Minutes representing the number of whole minutes between the two specified datetimes.
static Minutes minutesBetween(ReadablePartial start, ReadablePartial end)
          Creates a Minutes representing the number of whole minutes between the two specified partial datetimes.
static Minutes minutesIn(ReadableInterval interval)
          Creates a Minutes representing the number of whole minutes in the specified interval.
 Minutes multipliedBy(int scalar)
          Returns a new instance with the minutes multiplied by the specified scalar.
 Minutes negated()
          Returns a new instance with the minutes value negated.
static Minutes parseMinutes(String periodStr)
          Creates a new Minutes by parsing a string in the ISO8601 format 'PTnM'.
 Minutes plus(int minutes)
          Returns a new instance with the specified number of minutes added.
 Minutes plus(Minutes minutes)
          Returns a new instance with the specified number of minutes added.
static Minutes standardMinutesIn(ReadablePeriod period)
          Creates a new Minutes representing the number of complete standard length minutes in the specified period.
 Days toStandardDays()
          Converts this period in minutes to a period in days assuming a 24 hour day and 60 minute hour.
 Duration toStandardDuration()
          Converts this period in minutes to a duration in milliseconds assuming a 60 second minute.
 Hours toStandardHours()
          Converts this period in minutes to a period in hours assuming a 60 minute hour.
 Seconds toStandardSeconds()
          Converts this period in minutes to a period in seconds assuming a 60 second minute.
 Weeks toStandardWeeks()
          Converts this period in minutes to a period in weeks assuming a 7 days week, 24 hour day and 60 minute hour.
 String toString()
          Gets this instance as a String in the ISO8601 duration format.
 
Methods inherited from class org.joda.time.base.BaseSingleFieldPeriod
between, between, compareTo, equals, get, getFieldType, getValue, getValue, hashCode, isSupported, setValue, size, standardPeriodIn, toMutablePeriod, toPeriod
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

ZERO

public static final Minutes ZERO
Constant representing zero minutes.

ONE

public static final Minutes ONE
Constant representing one minute.

TWO

public static final Minutes TWO
Constant representing two minutes.

THREE

public static final Minutes THREE
Constant representing three minutes.

MAX_VALUE

public static final Minutes MAX_VALUE
Constant representing the maximum number of minutes that can be stored in this object.

MIN_VALUE

public static final Minutes MIN_VALUE
Constant representing the minimum number of minutes that can be stored in this object.

Method Detail

minutes

public static Minutes minutes(int minutes)
Obtains an instance of Minutes that may be cached. Minutes is immutable, so instances can be cached and shared. This factory method provides access to shared instances.

Parameters:
minutes - the number of minutes to obtain an instance for
Returns:
the instance of Minutes

minutesBetween

public static Minutes minutesBetween(ReadableInstant start,
                                     ReadableInstant end)
Creates a Minutes representing the number of whole minutes between the two specified datetimes.

Parameters:
start - the start instant, must not be null
end - the end instant, must not be null
Returns:
the period in minutes
Throws:
IllegalArgumentException - if the instants are null or invalid

minutesBetween

public static Minutes minutesBetween(ReadablePartial start,
                                     ReadablePartial end)
Creates a Minutes representing the number of whole minutes between the two specified partial datetimes.

The two partials must contain the same fields, for example you can specify two LocalTime objects.

Parameters:
start - the start partial date, must not be null
end - the end partial date, must not be null
Returns:
the period in minutes
Throws:
IllegalArgumentException - if the partials are null or invalid

minutesIn

public static Minutes minutesIn(ReadableInterval interval)
Creates a Minutes representing the number of whole minutes in the specified interval.

Parameters:
interval - the interval to extract minutes from, null returns zero
Returns:
the period in minutes
Throws:
IllegalArgumentException - if the partials are null or invalid

standardMinutesIn

public static Minutes standardMinutesIn(ReadablePeriod period)
Creates a new Minutes representing the number of complete standard length minutes in the specified period.

This factory method converts all fields from the period to minutes using standardised durations for each field. Only those fields which have a precise duration in the ISO UTC chronology can be converted.

Months and Years are imprecise and periods containing these values cannot be converted.

Parameters:
period - the period to get the number of minutes from, null returns zero
Returns:
the period in minutes
Throws:
IllegalArgumentException - if the period contains imprecise duration values

parseMinutes

public static Minutes parseMinutes(String periodStr)
Creates a new Minutes by parsing a string in the ISO8601 format 'PTnM'.

The parse will accept the full ISO syntax of PnYnMnWnDTnHnMnS however only the minutes component may be non-zero. If any other component is non-zero, an exception will be thrown.

Parameters:
periodStr - the period string, null returns zero
Returns:
the period in minutes
Throws:
IllegalArgumentException - if the string format is invalid

getFieldType

public DurationFieldType getFieldType()
Gets the duration field type, which is minutes.

Specified by:
getFieldType in class BaseSingleFieldPeriod
Returns:
the period type

getPeriodType

public PeriodType getPeriodType()
Gets the period type, which is minutes.

Specified by:
getPeriodType in interface ReadablePeriod
Specified by:
getPeriodType in class BaseSingleFieldPeriod
Returns:
the period type

toStandardWeeks

public Weeks toStandardWeeks()
Converts this period in minutes to a period in weeks assuming a 7 days week, 24 hour day and 60 minute hour.

This method allows you to convert between different types of period. However to achieve this it makes the assumption that all weeks are 7 days long, all days are 24 hours long and all hours are 60 minutes long. This is not true when daylight savings is considered and may also not be true for some unusual chronologies. However, it is included as it is a useful operation for many applications and business rules.

Returns:
a period representing the number of whole weeks for this number of minutes

toStandardDays

public Days toStandardDays()
Converts this period in minutes to a period in days assuming a 24 hour day and 60 minute hour.

This method allows you to convert between different types of period. However to achieve this it makes the assumption that all days are 24 hours long and all hours are 60 minutes long. This is not true when daylight savings is considered and may also not be true for some unusual chronologies. However, it is included as it is a useful operation for many applications and business rules.

Returns:
a period representing the number of whole days for this number of minutes

toStandardHours

public Hours toStandardHours()
Converts this period in minutes to a period in hours assuming a 60 minute hour.

This method allows you to convert between different types of period. However to achieve this it makes the assumption that all hours are 60 minutes long. This may not be true for some unusual chronologies. However, it is included as it is a useful operation for many applications and business rules.

Returns:
a period representing the number of hours for this number of minutes

toStandardSeconds

public Seconds toStandardSeconds()
Converts this period in minutes to a period in seconds assuming a 60 second minute.

This method allows you to convert between different types of period. However to achieve this it makes the assumption that all minutes are 60 seconds long. This may not be true for some unusual chronologies. However, it is included as it is a useful operation for many applications and business rules.

Returns:
a period representing the number of seconds for this number of minutes
Throws:
ArithmeticException - if the number of seconds is too large to be represented

toStandardDuration

public Duration toStandardDuration()
Converts this period in minutes to a duration in milliseconds assuming a 60 second minute.

This method allows you to convert from a period to a duration. However to achieve this it makes the assumption that all minutes are 60 seconds long. This might not be true for an unusual chronology, for example one that takes leap seconds into account. However, the method is included as it is a useful operation for many applications and business rules.

Returns:
a duration equivalent to this number of minutes

getMinutes

public int getMinutes()
Gets the number of minutes that this period represents.

Returns:
the number of minutes in the period

plus

public Minutes plus(int minutes)
Returns a new instance with the specified number of minutes added.

This instance is immutable and unaffected by this method call.

Parameters:
minutes - the amount of minutes to add, may be negative
Returns:
the new period plus the specified number of minutes
Throws:
ArithmeticException - if the result overflows an int

plus

public Minutes plus(Minutes minutes)
Returns a new instance with the specified number of minutes added.

This instance is immutable and unaffected by this method call.

Parameters:
minutes - the amount of minutes to add, may be negative, null means zero
Returns:
the new period plus the specified number of minutes
Throws:
ArithmeticException - if the result overflows an int

minus

public Minutes minus(int minutes)
Returns a new instance with the specified number of minutes taken away.

This instance is immutable and unaffected by this method call.

Parameters:
minutes - the amount of minutes to take away, may be negative
Returns:
the new period minus the specified number of minutes
Throws:
ArithmeticException - if the result overflows an int

minus

public Minutes minus(Minutes minutes)
Returns a new instance with the specified number of minutes taken away.

This instance is immutable and unaffected by this method call.

Parameters:
minutes - the amount of minutes to take away, may be negative, null means zero
Returns:
the new period minus the specified number of minutes
Throws:
ArithmeticException - if the result overflows an int

multipliedBy

public Minutes multipliedBy(int scalar)
Returns a new instance with the minutes multiplied by the specified scalar.

This instance is immutable and unaffected by this method call.

Parameters:
scalar - the amount to multiply by, may be negative
Returns:
the new period multiplied by the specified scalar
Throws:
ArithmeticException - if the result overflows an int

dividedBy

public Minutes dividedBy(int divisor)
Returns a new instance with the minutes divided by the specified divisor. The calculation uses integer division, thus 3 divided by 2 is 1.

This instance is immutable and unaffected by this method call.

Parameters:
divisor - the amount to divide by, may be negative
Returns:
the new period divided by the specified divisor
Throws:
ArithmeticException - if the divisor is zero

negated

public Minutes negated()
Returns a new instance with the minutes value negated.

Returns:
the new period with a negated value
Throws:
ArithmeticException - if the result overflows an int

isGreaterThan

public boolean isGreaterThan(Minutes other)
Is this minutes instance greater than the specified number of minutes.

Parameters:
other - the other period, null means zero
Returns:
true if this minutes instance is greater than the specified one

isLessThan

public boolean isLessThan(Minutes other)
Is this minutes instance less than the specified number of minutes.

Parameters:
other - the other period, null means zero
Returns:
true if this minutes instance is less than the specified one

toString

public String toString()
Gets this instance as a String in the ISO8601 duration format.

For example, "PT4M" represents 4 minutes.

Specified by:
toString in interface ReadablePeriod
Overrides:
toString in class Object
Returns:
the value as an ISO8601 string
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