Package org.apache.arrow.flight

Interface RequestContext

All Known Implementing Classes:

RequestContextAdapter

public interface RequestContext

Tracks variables about the current request.

Method Summary

Modifier and Type	Method	Description
String	get(String key)	Retrieve a registered variable.
Set<String>	keySet()	Retrieves the keys that have been registered to this context.
void	put(String key, String value)	Register a variable and a value.
String	remove(String key)	Deletes a registered variable.

Method Details

put

void put(String key,
 String value)

Register a variable and a value.

Parameters:

key - the variable name.

value - the value.

get

String get(String key)

Retrieve a registered variable.

Parameters:

key - the variable name.

Returns:

the value, or null if not found.

keySet

Set<String> keySet()

Retrieves the keys that have been registered to this context.

Returns:

the keys used in this context.

remove

String remove(String key)

Deletes a registered variable.

Returns:

the value associated with the deleted variable, or null if the key doesn't exist.