Package org.apache.sshd.common

Interface AttributeRepository

All Known Subinterfaces:

AttributeStore, SessionContext

public interface AttributeRepository

Author:

Apache MINA SSHD Project

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	AttributeRepository.AttributeKey<T>	Type safe key for storage of user attributes.

Method Summary

Modifier and Type	Method	Description
Collection<AttributeRepository.AttributeKey<?>>	attributeKeys()
<T> T	getAttribute(AttributeRepository.AttributeKey<T> key)	Returns the value of the user-defined attribute.
int	getAttributesCount()
static AttributeRepository	ofAttributesMap(Map<AttributeRepository.AttributeKey<?>,?> attributes)
static <A> AttributeRepository	ofKeyValuePair(AttributeRepository.AttributeKey<A> key, A value)
default <T> T	resolveAttribute(AttributeRepository.AttributeKey<T> key)	Attempts to resolve the associated value by going up the store's hierarchy (if any)

Method Detail

getAttributesCount

int getAttributesCount()

Returns:

Current number of user-defined attributes stored in the repository

getAttribute

<T> T getAttribute(AttributeRepository.AttributeKey<T> key)

Returns the value of the user-defined attribute.

Type Parameters:

T - The generic attribute type

Parameters:

key - The key of the attribute; must not be null.

Returns:

null if there is no value associated with the specified key

resolveAttribute

default <T> T resolveAttribute(AttributeRepository.AttributeKey<T> key)

Attempts to resolve the associated value by going up the store's hierarchy (if any)

Type Parameters:

T - The generic attribute type

Parameters:

key - The key of the attribute; must not be null.

Returns:

null if there is no value associated with the specified key either in this repository or any of its ancestors (if any available)

attributeKeys

Collection<AttributeRepository.AttributeKey<?>> attributeKeys()

Returns:

A Collection snapshot of all the currently registered attributes in the repository

ofKeyValuePair

static <A> AttributeRepository ofKeyValuePair(AttributeRepository.AttributeKey<A> key,
                                              A value)

ofAttributesMap

static AttributeRepository ofAttributesMap(Map<AttributeRepository.AttributeKey<?>,?> attributes)