trait Metadata extends AnyRef
Immutable representation of the metadata in a call
Not for user extension
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- Metadata.scala
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Abstract Value Members
- abstract def asList(): List[Pair[String, MetadataEntry]]
- returns
A list of (key, entry) pairs. Pairs with the same key will be ordered based on when they were added or received.
- abstract def asMap(): Map[String, List[MetadataEntry]]
- returns
A map from keys to a list of metadata entries. Entries with the same key will be ordered based on when they were added or received.
- abstract def asScala: scaladsl.Metadata
- returns
Returns the scaladsl.Metadata interface for this instance.
- abstract def getAttribute[T](key: AttributeKey[T]): Optional[T]
Get an attribute from the underlying akka-http message associated with this metadata.
Get an attribute from the underlying akka-http message associated with this metadata.
Will return
None
if this metadata is not associated with an akka-http request or response, for example, if using the netty client support. - abstract def getBinary(key: String): Optional[ByteString]
- returns
The binary header value for
key
if one exists, if the same key has multiple values the last occurrence that is a text key is used.
- abstract def getText(key: String): Optional[String]
- returns
The text header value for
key
if one exists, if the same key has multiple values the last occurrence that is a text key is used.
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- Deprecated
(Since version 9)