UnsupportedDurationField (Joda-Time 2.9.5 API)

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org.joda.time.field
Class UnsupportedDurationField

java.lang.Object
  org.joda.time.DurationField
      org.joda.time.field.UnsupportedDurationField

All Implemented Interfaces:: Serializable, Comparable<DurationField>

public final class UnsupportedDurationField
extends DurationField
implements Serializable
extends DurationField
implements Serializable

A placeholder implementation to use when a duration field is not supported.

UnsupportedDurationField is thread-safe and immutable.

Since:: 1.0
See Also:: Serialized Form

Method Summary
`long`	`add(long instant, int value)` Always throws UnsupportedOperationException
`long`	`add(long instant, long value)` Always throws UnsupportedOperationException
`int`	`compareTo(DurationField durationField)` Always returns zero, indicating that sort order is not relevent.
`boolean`	`equals(Object obj)` Compares this duration field to another.
`int`	`getDifference(long minuendInstant, long subtrahendInstant)` Always throws UnsupportedOperationException
`long`	`getDifferenceAsLong(long minuendInstant, long subtrahendInstant)` Always throws UnsupportedOperationException
`static UnsupportedDurationField`	`getInstance(DurationFieldType type)` Gets an instance of UnsupportedDurationField for a specific named field.
`long`	`getMillis(int value)` Always throws UnsupportedOperationException
`long`	`getMillis(int value, long instant)` Always throws UnsupportedOperationException
`long`	`getMillis(long value)` Always throws UnsupportedOperationException
`long`	`getMillis(long value, long instant)` Always throws UnsupportedOperationException
`String`	`getName()` Get the name of the field.
`DurationFieldType`	`getType()` Get the type of the field.
`long`	`getUnitMillis()` Always returns zero.
`int`	`getValue(long duration)` Always throws UnsupportedOperationException
`int`	`getValue(long duration, long instant)` Always throws UnsupportedOperationException
`long`	`getValueAsLong(long duration)` Always throws UnsupportedOperationException
`long`	`getValueAsLong(long duration, long instant)` Always throws UnsupportedOperationException
`int`	`hashCode()` Gets a suitable hashcode.
`boolean`	`isPrecise()` This field is precise.
`boolean`	`isSupported()` This field is not supported.
`String`	`toString()` Get a suitable debug string.

Methods inherited from class org.joda.time.DurationField
`subtract, subtract`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Method Detail

getInstance

public static UnsupportedDurationField getInstance(DurationFieldType type)

Gets an instance of UnsupportedDurationField for a specific named field. The returned instance is cached.

Parameters:: type - the type to obtain
Returns:: the instance

getType

public final DurationFieldType getType()

Description copied from class: DurationField

Get the type of the field.

Specified by:: getType in class DurationField

Returns:: field type

getName

public String getName()

Description copied from class: DurationField

Get the name of the field.

By convention, names are plural.

Specified by:: getName in class DurationField

Returns:: field name

isSupported

public boolean isSupported()

This field is not supported.

Specified by:: isSupported in class DurationField

Returns:: false always

isPrecise

public boolean isPrecise()

This field is precise.

Specified by:: isPrecise in class DurationField

Returns:: true always
See Also:: DurationField.getUnitMillis()