Package org.apache.logging.log4j.plugins.di.spi

Interface DependencyChain

All Superinterfaces:

Iterable<Key<?>>

public interface DependencyChain
extends Iterable<Key<?>>

Immutable chain of dependency keys assembled while constructing dependency-injected instances.

Method Summary

Modifier and Type	Method	Description
static DependencyChain	empty()	Returns an empty dependency chain.
boolean	hasDependency(Key<?> key)	Indicates if the given key is contained in this dependency chain.
boolean	isEmpty()	Indicates whether this dependency chain is empty.
static DependencyChain	of(Key<?> key)	Returns a dependency chain containing a single key.
DependencyChain	withDependency(Key<?> key)	Returns a new dependency chain containing the provided key as an additional dependency.

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Details

hasDependency

boolean hasDependency(Key<?> key)

Indicates if the given key is contained in this dependency chain.

withDependency

DependencyChain withDependency(Key<?> key)

Returns a new dependency chain containing the provided key as an additional dependency. If the given key already exists, then it will not be added to the chain.

isEmpty

boolean isEmpty()

Indicates whether this dependency chain is empty.

empty

static DependencyChain empty()

Returns an empty dependency chain.

of

static DependencyChain of(Key<?> key)

Returns a dependency chain containing a single key.