Module org.apache.arrow.flight.core

Package org.apache.arrow.flight

Interface CallHeaders

All Known Implementing Classes:

ErrorFlightMetadata, FlightCallHeaders, MetadataAdapter

public interface CallHeaders

A set of metadata key value pairs for a call (request or response).

Method Summary

Modifier and Type	Method	Description
boolean	containsKey(String key)	Check whether the given metadata key is present.
String	get(String key)	Get the value of a metadata key.
Iterable<String>	getAll(String key)	Get all values present for the given metadata key.
Iterable<byte[]>	getAllByte(String key)	Get all values present for the given metadata key.
byte[]	getByte(String key)	Get the value of a metadata key.
void	insert(String key, byte[] value)	Insert a metadata pair with the given value.
void	insert(String key, String value)	Insert a metadata pair with the given value.
Set<String>	keys()	Get a set of all the metadata keys.

Method Details

get

String get(String key)

Get the value of a metadata key. If multiple values are present, then get the last one.

getByte

byte[] getByte(String key)

Get the value of a metadata key. If multiple values are present, then get the last one.

getAll

Iterable<String> getAll(String key)

Get all values present for the given metadata key.

getAllByte

Iterable<byte[]> getAllByte(String key)

Get all values present for the given metadata key.

insert

void insert(String key,
 String value)

Insert a metadata pair with the given value.

Duplicate metadata are permitted.

insert

void insert(String key,
 byte[] value)

Insert a metadata pair with the given value.

Duplicate metadata are permitted.

keys

Set<String> keys()

Get a set of all the metadata keys.

containsKey

boolean containsKey(String key)

Check whether the given metadata key is present.