public class DelegatedDurationField extends DurationField implements java.io.Serializable
DelegatedDurationField
delegates each method call to the
duration field it wraps.
DelegatedDurationField is thread-safe and immutable, and its subclasses must be as well.
DecoratedDurationField
,
Serialized FormModifier and Type | Method and Description |
---|---|
long |
add(long instant,
int value)
Adds a duration value (which may be negative) to the instant.
|
long |
add(long instant,
long value)
Adds a duration value (which may be negative) to the instant.
|
int |
compareTo(DurationField durationField) |
boolean |
equals(java.lang.Object obj) |
int |
getDifference(long minuendInstant,
long subtrahendInstant)
Computes the difference between two instants, as measured in the units
of this field.
|
long |
getDifferenceAsLong(long minuendInstant,
long subtrahendInstant)
Computes the difference between two instants, as measured in the units
of this field.
|
long |
getMillis(int value)
Get the millisecond duration of this field from its value, which is
approximate if this field is imprecise.
|
long |
getMillis(int value,
long instant)
Get the millisecond duration of this field from its value relative to an
instant.
|
long |
getMillis(long value)
Get the millisecond duration of this field from its value, which is
approximate if this field is imprecise.
|
long |
getMillis(long value,
long instant)
Get the millisecond duration of this field from its value relative to an
instant.
|
java.lang.String |
getName()
Get the name of the field.
|
DurationFieldType |
getType()
Get the type of the field.
|
long |
getUnitMillis()
Returns the amount of milliseconds per unit value of this field.
|
int |
getValue(long duration)
Get the value of this field from the milliseconds, which is approximate
if this field is imprecise.
|
int |
getValue(long duration,
long instant)
Get the value of this field from the milliseconds relative to an
instant.
|
long |
getValueAsLong(long duration)
Get the value of this field from the milliseconds, which is approximate
if this field is imprecise.
|
long |
getValueAsLong(long duration,
long instant)
Get the value of this field from the milliseconds relative to an
instant.
|
DurationField |
getWrappedField()
Gets the wrapped duration field.
|
int |
hashCode() |
boolean |
isPrecise()
Is this field precise.
|
boolean |
isSupported()
Returns true if this field is supported.
|
java.lang.String |
toString()
Get a suitable debug string.
|
subtract, subtract
public final DurationField getWrappedField()
public DurationFieldType getType()
DurationField
getType
in class DurationField
public java.lang.String getName()
DurationField
By convention, names are plural.
getName
in class DurationField
public boolean isSupported()
isSupported
in class DurationField
public boolean isPrecise()
DurationField
isPrecise
in class DurationField
DurationField.getUnitMillis()
public int getValue(long duration)
DurationField
getValue
in class DurationField
duration
- the milliseconds to query, which may be negativepublic long getValueAsLong(long duration)
DurationField
getValueAsLong
in class DurationField
duration
- the milliseconds to query, which may be negativepublic int getValue(long duration, long instant)
DurationField
If the millisecond duration is positive, then the instant is treated as a "start instant". If negative, the instant is treated as an "end instant".
getValue
in class DurationField
duration
- the milliseconds to query, which may be negativeinstant
- the start instant to calculate relative topublic long getValueAsLong(long duration, long instant)
DurationField
If the millisecond duration is positive, then the instant is treated as a "start instant". If negative, the instant is treated as an "end instant".
getValueAsLong
in class DurationField
duration
- the milliseconds to query, which may be negativeinstant
- the start instant to calculate relative topublic long getMillis(int value)
DurationField
getMillis
in class DurationField
value
- the value of the field, which may be negativepublic long getMillis(long value)
DurationField
getMillis
in class DurationField
value
- the value of the field, which may be negativepublic long getMillis(int value, long instant)
DurationField
If the value is positive, then the instant is treated as a "start instant". If negative, the instant is treated as an "end instant".
getMillis
in class DurationField
value
- the value of the field, which may be negativeinstant
- the instant to calculate relative topublic long getMillis(long value, long instant)
DurationField
If the value is positive, then the instant is treated as a "start instant". If negative, the instant is treated as an "end instant".
getMillis
in class DurationField
value
- the value of the field, which may be negativeinstant
- the instant to calculate relative topublic long add(long instant, int value)
DurationField
add
in class DurationField
instant
- the milliseconds from 1970-01-01T00:00:00Z to add tovalue
- the value to add, in the units of the fieldpublic long add(long instant, long value)
DurationField
add
in class DurationField
instant
- the milliseconds from 1970-01-01T00:00:00Z to add tovalue
- the value to add, in the units of the fieldpublic int getDifference(long minuendInstant, long subtrahendInstant)
DurationField
long instant = ... int v = ... int age = getDifference(add(instant, v), instant);The value 'age' is the same as the value 'v'.
getDifference
in class DurationField
minuendInstant
- the milliseconds from 1970-01-01T00:00:00Z to
subtract fromsubtrahendInstant
- the milliseconds from 1970-01-01T00:00:00Z to
subtract off the minuendpublic long getDifferenceAsLong(long minuendInstant, long subtrahendInstant)
DurationField
long instant = ... long v = ... long age = getDifferenceAsLong(add(instant, v), instant);The value 'age' is the same as the value 'v'.
getDifferenceAsLong
in class DurationField
minuendInstant
- the milliseconds from 1970-01-01T00:00:00Z to
subtract fromsubtrahendInstant
- the milliseconds from 1970-01-01T00:00:00Z to
subtract off the minuendpublic long getUnitMillis()
DurationField
For imprecise fields, the unit size is variable, and so this method returns a suitable average value.
getUnitMillis
in class DurationField
DurationField.isPrecise()
public int compareTo(DurationField durationField)
compareTo
in interface java.lang.Comparable<DurationField>
public boolean equals(java.lang.Object obj)
equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public java.lang.String toString()
DurationField
toString
in class DurationField
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