Package org.opensaml.messaging.context.navigate

Class ChildContextLookup<ParentContext extends BaseContext,ChildContext extends BaseContext>

java.lang.Object

org.opensaml.messaging.context.navigate.ChildContextLookup<ParentContext,ChildContext>

Type Parameters:

ParentContext - type of the parent context

ChildContext - type of the child context

All Implemented Interfaces:

Function<ParentContext,ChildContext>, ContextDataLookupFunction<ParentContext,ChildContext>

public class ChildContextLookup<ParentContext extends BaseContext,ChildContext extends BaseContext>
extends Object
implements ContextDataLookupFunction<ParentContext,ChildContext>

A ContextDataLookupFunction that gets the child context of a given parent context.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	autocreate	Whether the child context should be created if it doesn't exist.
private Class<ChildContext>	childType	Child context type to look up.

Constructor Summary

Constructors

Constructor	Description
ChildContextLookup(Class<ChildContext> type)	Constructor.
ChildContextLookup(Class<ChildContext> type, boolean createContext)	Constructor.

Method Summary

Modifier and Type	Method	Description
ChildContext	apply(ParentContext input)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Function

andThen, compose

Field Detail

childType

@Nonnull
private final Class<ChildContext extends BaseContext> childType

Child context type to look up.

autocreate

private boolean autocreate

Whether the child context should be created if it doesn't exist. This requires that the child context has a no-arg constructor.

Constructor Detail

ChildContextLookup

public ChildContextLookup(@Nonnull @ParameterName(name="type")
                          Class<ChildContext> type)

Constructor.

Equivalent to calling the two-parameter constructor with false.

Parameters:

type - child context type to look up

ChildContextLookup

public ChildContextLookup(@Nonnull @ParameterName(name="type")
                          Class<ChildContext> type,
                          @ParameterName(name="createContext")
                          boolean createContext)

Constructor.

Parameters:

type - child context type to look up

createContext - whether to create the child context if it does not exist

Method Detail

apply

@Nullable
public ChildContext apply(@Nullable
                          ParentContext input)

Specified by:

apply in interface Function<ParentContext extends BaseContext,ChildContext extends BaseContext>