net.time4j.engine

Interface AttributeQuery

All Known Implementing Classes:

Attributes

public interface AttributeQuery

Type-safe query for format attributes which control the formatting process.

See Also:

ChronoMerger.createFrom(ChronoEntity, AttributeQuery, boolean)

Method Summary

Modifier and Type	Method and Description
boolean	contains(AttributeKey<?> key) Queries if a format attribute exists for given key.
<A> A	get(AttributeKey<A> key) Yields a format attribute for given key.
<A> A	get(AttributeKey<A> key, A defaultValue) Yields a format attribute for given key.

Method Detail

contains

boolean contains(AttributeKey<?> key)

Queries if a format attribute exists for given key.

Parameters:

key - attribute key

Returns:

true if attribute exists else false

get

<A> A get(AttributeKey<A> key)

Yields a format attribute for given key.

Type Parameters:

A - generic type of attribute value

Parameters:

key - attribute key

Returns:

attribute value

Throws:

java.util.NoSuchElementException - if attribute does not exist

get

<A> A get(AttributeKey<A> key,
          A defaultValue)

Yields a format attribute for given key.

Type Parameters:

A - generic type of attribute value

Parameters:

key - attribute key

defaultValue - replacement value to be used if attribute does not exist

Returns:

attribute value