Package com.datahub.authorization

Class FieldResolver

java.lang.Object

com.datahub.authorization.FieldResolver

public class FieldResolver
extends java.lang.Object

Helper class for lazy resolution of fields Input resolveField function that is given as input will only be called when getFieldValuesFuture is called

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FieldResolver.FieldValue	Container for storing the field value, in case we need to extend this to have more types of field values

Constructor Summary

Constructors

Constructor	Description
FieldResolver()

Method Summary

Modifier and Type	Method	Description
static FieldResolver.FieldValue	emptyFieldValue()
static FieldResolver	getResolverFromFunction(ResourceSpec resourceSpec, java.util.function.Function<ResourceSpec,FieldResolver.FieldValue> fetchFieldValue)	Helper function that returns FieldResolver given a fetchFieldValue function
static FieldResolver	getResolverFromValues(java.util.Set<java.lang.String> values)	Helper function that returns FieldResolver for precomputed values

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldResolver

public FieldResolver()

Method Detail

getResolverFromValues

public static FieldResolver getResolverFromValues(java.util.Set<java.lang.String> values)

Helper function that returns FieldResolver for precomputed values

getResolverFromFunction

public static FieldResolver getResolverFromFunction(ResourceSpec resourceSpec,
                                                    java.util.function.Function<ResourceSpec,FieldResolver.FieldValue> fetchFieldValue)

Helper function that returns FieldResolver given a fetchFieldValue function

emptyFieldValue

public static FieldResolver.FieldValue emptyFieldValue()