ParentContext
- type of the parent contextChildContext
- type of the child contextpublic class ChildContextLookup<ParentContext extends BaseContext,ChildContext extends BaseContext> extends Object implements ContextDataLookupFunction<ParentContext,ChildContext>
ContextDataLookupFunction
that gets the child context of a given parent context.Constructor and Description |
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ChildContextLookup(Class<ChildContext> type)
Constructor.
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ChildContextLookup(Class<ChildContext> type,
boolean createContext)
Constructor.
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Modifier and Type | Method and Description |
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ChildContext |
apply(ParentContext input) |
public ChildContextLookup(@Nonnull Class<ChildContext> type)
autocreate
to false
.type
- child context type to look uppublic ChildContextLookup(@Nonnull Class<ChildContext> type, boolean createContext)
type
- child context type to look upcreateContext
- whether to create the child context if it does not exist@Nullable public ChildContext apply(@Nullable ParentContext input)
apply
in interface com.google.common.base.Function<ParentContext extends BaseContext,ChildContext extends BaseContext>
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