Package net.shibboleth.oidc.profile.oauth2.config.impl

Class DefaultOAuth2PushedAuthorizationRequestConfiguration

java.lang.Object

net.shibboleth.shared.component.AbstractInitializableComponent

net.shibboleth.shared.component.AbstractIdentifiedInitializableComponent

net.shibboleth.shared.component.AbstractIdentifiableInitializableComponent

net.shibboleth.profile.config.AbstractProfileConfiguration

net.shibboleth.profile.config.AbstractConditionalProfileConfiguration

net.shibboleth.idp.profile.config.AbstractInterceptorAwareProfileConfiguration

net.shibboleth.oidc.profile.oauth2.config.impl.AbstractOAuth2InterceptorAwareProfileConfiguration

net.shibboleth.oidc.profile.oauth2.config.impl.AbstractOAuth2ClientAuthenticableProfileConfiguration

net.shibboleth.oidc.profile.oauth2.config.impl.AbstractOAuth2FlowAwareProfileConfiguration

net.shibboleth.oidc.profile.config.impl.AbstractOIDCSSOConfiguration

net.shibboleth.oidc.profile.config.impl.DefaultOIDCAuthorizationConfiguration

net.shibboleth.oidc.profile.oauth2.config.impl.DefaultOAuth2PushedAuthorizationRequestConfiguration

All Implemented Interfaces:

AuthenticationProfileConfiguration, InterceptorAwareProfileConfiguration, OIDCAuthenticationProfileConfiguration, OIDCAuthenticationRelyingPartyProfileConfiguration, OIDCAuthorizationConfiguration, OIDCFlowAwareProfileConfiguration, OIDCIDTokenProducingProfileConfiguration, OIDCProfileConfiguration, OIDCSSOProfileConfiguration, OIDCSSOProviderConfiguration, OIDCSSORelyingPartyConfiguration, OAuth2AccessTokenProducingProfileConfiguration, OAuth2AuthorizationCodeProducingProfileConfiguration, OAuth2AuthorizationProfileConfiguration, OAuth2ClientAuthenticableClientProfileConfiguration, OAuth2ClientAuthenticableProfileConfiguration, OAuth2DPoPProofValidatingProfileConfiguration, OAuth2FlowAwareProfileConfiguration, OAuth2InterceptorAwareProfileConfiguration, OAuth2ProfileConfiguration, OAuth2PushedAuthorizationRequestConfiguration, OAuth2RefreshTokenProducingProfileConfiguration, OAuth2ScopeValidatingProfileConfiguration, OAuth2TokenEncryptionProfileConfiguration, AttributeResolvingProfileConfiguration, ConditionalProfileConfiguration, OverriddenIssuerProfileConfiguration, ProfileConfiguration, Component, DestructableComponent, IdentifiableComponent, IdentifiedComponent, InitializableComponent

public class DefaultOAuth2PushedAuthorizationRequestConfiguration
extends DefaultOIDCAuthorizationConfiguration
implements OAuth2PushedAuthorizationRequestConfiguration

Implementation of a profile configuration for the OAuth2 Pushed Authorization Requests (PAR).

Since:

3.2.0

Nested Class Summary

Nested classes/interfaces inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2AuthorizationProfileConfiguration

OAuth2AuthorizationProfileConfiguration.HttpRequestMethod

Field Summary

Fields

Modifier and Type	Field	Description
private Function<ProfileRequestContext,String>	issuerLookupStrategy	Lookup function to override issuer value.
static final String	PROFILE_COUNTER	OAuth2 pushed authorization request profile counter name.
private Function<ProfileRequestContext,BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>>>	requestUriClaimsSetManipulationStrategyLookupStrategy	Lookup function to supply strategy bi-function for manipulating request URI claims set.
private Function<ProfileRequestContext,Duration>	requestUriLifetimeLookupStrategy	Lookup function to supply request URI lifetime.
private Function<ProfileRequestContext,String>	requestUriTypeLookupStrategy	Lookup function to supply request URI type.

Fields inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2PushedAuthorizationRequestConfiguration

PROFILE_ID, PROTOCOL_URI

Fields inherited from interface net.shibboleth.oidc.profile.config.OIDCAuthenticationProfileConfiguration

PROFILE_ID

Fields inherited from interface net.shibboleth.oidc.profile.config.OIDCAuthorizationConfiguration

PROFILE_ID

Fields inherited from interface net.shibboleth.oidc.profile.config.OIDCSSOProfileConfiguration

PROFILE_ID

Fields inherited from interface net.shibboleth.profile.config.ProfileConfiguration

DEFAULT_DISALLOWED_FEATURES

Constructor Summary

Constructors

Constructor	Description
DefaultOAuth2PushedAuthorizationRequestConfiguration()	Constructor.
DefaultOAuth2PushedAuthorizationRequestConfiguration(String profileId)	Creates a new configuration instance.

Method Summary

Modifier and Type	Method	Description
String	getIssuer(ProfileRequestContext profileRequestContext)
BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>>	getRequestUriClaimsSetManipulationStrategy(ProfileRequestContext profileRequestContext)	Get the bi-function for manipulating request URI claims set.
Duration	getRequestUriLifetime(ProfileRequestContext profileRequestContext)	Get request URI lifetime.
String	getRequestUriType(ProfileRequestContext profileRequestContext)	Get request URI type.
void	setIssuer(String issuer)	Set overridden issuer value.
void	setIssuerLookupStrategy(Function<ProfileRequestContext,String> strategy)	Sets lookup strategy for overridden issuer value.
void	setRequestUriClaimsSetManipulationStrategy(BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>> strategy)	Set the bi-function for manipulating request URI claims set.
void	setRequestUriClaimsSetManipulationStrategyLookupStrategy(Function<ProfileRequestContext,BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>>> strategy)	Set a lookup strategy for the bi-function for manipulating request URI claims set.
void	setRequestUriLifetime(Duration lifetime)	Set the lifetime of an request URI.
void	setRequestUriLifetimeLookupStrategy(Function<ProfileRequestContext,Duration> strategy)	Set a lookup strategy for the request URI lifetime.
void	setRequestUriType(String type)	Set request URI type.
void	setRequestUriTypeLookupStrategy(Function<ProfileRequestContext,String> strategy)	Set lookup strategy for request URI type.

Methods inherited from class net.shibboleth.oidc.profile.config.impl.DefaultOIDCAuthorizationConfiguration

getAuthenticationContextClassReferenceTranslationStrategy, getAuthenticationMethodsReferencesTranslationStrategy, getAuthorizationCodeClaimsSetManipulationStrategy, getAuthorizeCodeLifetime, getDeniedUserInfoAttributes, getDisplay, getEncodedAttributes, getHttpRequestMethod, getLoginHint, getMaxAuthenticationAge, getRedirectUriOverride, getResponseMode, getResponseModes, getResponseType, getScopes, getUserInfoHttpRequestMethod, isAcrRequestAlwaysEssential, isEncodeConsentInTokens, isEncryptRequestObject, isIncludeIssuerInResponse, isProxiedAuthnInstant, isRequireAuthenticationRequest, isRequireDpopJkt, isRequirePushedAuthorizationRequest, isRetrieveUserInfoEndpointClaims, isSignRequestObject, isTlsServerValidationSufficient, isUseRequestObject, setAcrRequestAlwaysEssential, setAcrRequestAlwaysEssentialPredicate, setAuthenticationContextClassReferenceTranslationStrategyLookupStrategy, setAuthenticationMethodsReferencesTranslationStrategyLookupStrategy, setAuthorizationCodeClaimsSetManipulationStrategy, setAuthorizationCodeClaimsSetManipulationStrategyLookupStrategy, setAuthorizeCodeLifetime, setAuthorizeCodeLifetimeLookupStrategy, setDeniedUserInfoAttributes, setDeniedUserInfoAttributesLookupStrategy, setDisplay, setDisplayLookupStrategy, setEncodeConsentInTokens, setEncodeConsentInTokensPredicate, setEncodedAttributes, setEncodedAttributesLookupStrategy, setEncryptRequestObject, setEncryptRequestObjectPredicate, setHttpRequestMethod, setHttpRequestMethodLookupStrategy, setIncludeIssuerInResponse, setIncludeIssuerInResponsePredicate, setLoginHint, setLoginHintLookupStrategy, setMaxAuthenticationAge, setMaxAuthenticationAgeLookupStrategy, setProxiedAuthnInstant, setRedirectUriOverride, setRedirectUriOverrideLookupStrategy, setRequireAuthenticationRequest, setRequireAuthenticationRequestPredicate, setRequireAuthenticationRequestPredicateLookupStrategy, setRequireDpopJkt, setRequireDpopJktPredicate, setRequirePushedAuthorizationRequest, setRequirePushedAuthorizationRequestPredicate, setResponseMode, setResponseModeLookupStrategy, setResponseModes, setResponseModesLookupStrategy, setResponseType, setResponseTypeLookupStrategy, setRetrieveUserInfoEndpointClaims, setRetrieveUserInfoEndpointClaims, setScopes, setScopesLookupStrategy, setSignRequestObject, setSignRequestObjectPredicate, setTlsServerValidationSufficient, setTlsServerValidationSufficient, setUseRequestObject, setUseRequestObjectPredicate, setUserInfoHttpRequestMethod, setUserInfoHttpRequestMethodLookupStrategy

Methods inherited from class net.shibboleth.oidc.profile.config.impl.AbstractOIDCSSOConfiguration

getAccessTokenClaimsSetManipulationStrategy, getAccessTokenLifetime, getAccessTokenType, getAdditionalAudiencesForIdToken, getAlwaysIncludedAttributes, getCustomRedirectUriValidationStrategy, getIDTokenLifetime, getIDTokenManipulationStrategy, getRefreshTokenChainLifetime, getRefreshTokenTimeout, getRefreshTokenType, isAllowPKCEPlain, isAlwaysIssueBearerAccessToken, isEncryptionOptional, isForcePKCE, isResolveAttributes, isStrictScopeValidation, setAccessTokenClaimsSetManipulationStrategy, setAccessTokenClaimsSetManipulationStrategyLookupStrategy, setAccessTokenLifetime, setAccessTokenLifetimeLookupStrategy, setAccessTokenType, setAccessTokenTypeLookupStrategy, setAdditionalAudiencesForIdToken, setAdditionalAudiencesForIdTokenLookupStrategy, setAllowPKCEPlain, setAllowPKCEPlainPredicate, setAlwaysIncludedAttributes, setAlwaysIncludedAttributesLookupStrategy, setAlwaysIssueBearerAccessToken, setAlwaysIssueBearerAccessTokenPredicate, setCustomRedirectUriValidationStrategy, setCustomRedirectUriValidationStrategyLookupStrategy, setEncryptionOptional, setEncryptionOptionalPredicate, setForcePKCE, setForcePKCEPredicate, setIDTokenLifetime, setIDTokenLifetimeLookupStrategy, setIDTokenManipulationStrategy, setIDTokenManipulationStrategyLookupStrategy, setRefreshTokenChainLifetime, setRefreshTokenChainLifetimeLookupStrategy, setRefreshTokenTimeout, setRefreshTokenTimeoutLookupStrategy, setRefreshTokenType, setRefreshTokenTypeLookupStrategy, setResolveAttributes, setResolveAttributesPredicate, setStrictScopeValidation, setStrictScopeValidationPredicate

Methods inherited from class net.shibboleth.oidc.profile.oauth2.config.impl.AbstractOAuth2FlowAwareProfileConfiguration

isAuthorizationCodeFlowEnabled, isHybridFlowEnabled, isImplicitFlowEnabled, isRefreshTokensEnabled, setAuthorizationCodeFlowEnabled, setAuthorizationCodeFlowEnabledPredicate, setHybridFlowEnabled, setHybridFlowEnabledPredicate, setImplicitFlowEnabled, setImplicitFlowEnabledPredicate, setRefreshTokensEnabled, setRefreshTokensEnabledPredicate

Methods inherited from class net.shibboleth.oidc.profile.oauth2.config.impl.AbstractOAuth2ClientAuthenticableProfileConfiguration

getAuthenticationFlows, getClaimsValidator, getClientCredential, getClientId, getDefaultAuthenticationMethods, getDpopProofClaimsValidator, getDpopProofNonceGenerator, getDpopProofSignatureValidationConfiguration, getPostAuthenticationFlows, getProxyCount, getTokenEndpointAuthMethod, getTokenEndpointAuthMethods, getUnregisteredClientPolicy, isForceAuthn, isRequireDpopProof, setAuthenticationFlows, setAuthenticationFlowsLookupStrategy, setClaimsValidator, setClaimsValidatorLookupStrategy, setClientCredential, setClientCredentialLookupStrategy, setClientId, setClientIdLookupStrategy, setDefaultAuthenticationMethods, setDefaultAuthenticationMethodsLookupStrategy, setDpopProofClaimsValidator, setDpopProofClaimsValidatorLookupStrategy, setDpopProofNonceGenerator, setDpopProofNonceGeneratorLookupStrategy, setDpopProofSignatureValidationConfiguration, setDpopProofSignatureValidationConfigurationLookupStrategy, setForceAuthn, setForceAuthnPredicate, setPostAuthenticationFlows, setPostAuthenticationFlowsLookupStrategy, setProxyCount, setProxyCountLookupStrategy, setRequireDpopProof, setRequireDpopProofPredicate, setTokenEndpointAuthMethod, setTokenEndpointAuthMethodLookupStrategy, setTokenEndpointAuthMethods, setTokenEndpointAuthMethodsLookupStrategy, setUnregisteredClientPolicy, setUnregisteredClientPolicyLookupStrategy

Methods inherited from class net.shibboleth.oidc.profile.oauth2.config.impl.AbstractOAuth2InterceptorAwareProfileConfiguration

getMessageHandler, setMessageHandler, setMessageHandlerLookupStrategy

Methods inherited from class net.shibboleth.idp.profile.config.AbstractInterceptorAwareProfileConfiguration

getInboundInterceptorFlows, getOutboundInterceptorFlows, setInboundInterceptorFlows, setInboundInterceptorFlowsLookupStrategy, setOutboundInterceptorFlows, setOutboundInterceptorFlowsLookupStrategy

Methods inherited from class net.shibboleth.profile.config.AbstractConditionalProfileConfiguration

getActivationCondition, setActivationCondition

Methods inherited from class net.shibboleth.profile.config.AbstractProfileConfiguration

equals, getDisallowedFeatures, getSecurityConfiguration, hashCode, isFeatureDisallowed, setDisallowedFeatures, setDisallowedFeaturesLookupStrategy, setSecurityConfiguration, setSecurityConfigurationLookupStrategy

Methods inherited from class net.shibboleth.shared.component.AbstractIdentifiableInitializableComponent

setId

Methods inherited from class net.shibboleth.shared.component.AbstractIdentifiedInitializableComponent

doInitialize, ensureId, getId, ifDestroyedThrowDestroyedComponentException, ifInitializedThrowUnmodifiabledComponentException, ifNotInitializedThrowUninitializedComponentException

Methods inherited from class net.shibboleth.shared.component.AbstractInitializableComponent

checkComponentActive, checkSetterPreconditions, destroy, doDestroy, initialize, isDestroyed, isInitialized

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.shibboleth.profile.config.AttributeResolvingProfileConfiguration

isResolveAttributes

Methods inherited from interface net.shibboleth.idp.authn.config.AuthenticationProfileConfiguration

getAuthenticationFlows, getDefaultAuthenticationMethods, getPostAuthenticationFlows, getProxyCount, isForceAuthn, isLocal

Methods inherited from interface net.shibboleth.profile.config.ConditionalProfileConfiguration

getActivationCondition

Methods inherited from interface net.shibboleth.shared.component.IdentifiedComponent

getId

Methods inherited from interface net.shibboleth.idp.profile.config.InterceptorAwareProfileConfiguration

getInboundInterceptorFlows, getOutboundInterceptorFlows

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2AccessTokenProducingProfileConfiguration

getAccessTokenClaimsSetManipulationStrategy, getAccessTokenLifetime, getAccessTokenType, isAlwaysIssueBearerAccessToken

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2AuthorizationProfileConfiguration

getHttpRequestMethod, getResponseMode, getResponseModes, getResponseType, getScopes, isRequireAuthenticationRequest, isRequireDpopJkt, isRequirePushedAuthorizationRequest

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2ClientAuthenticableClientProfileConfiguration

getClientCredential, getClientId, getTokenEndpointAuthMethod

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2ClientAuthenticableProfileConfiguration

getClaimsValidator, getTokenEndpointAuthMethods, getUnregisteredClientPolicy

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2DPoPProofValidatingProfileConfiguration

getDpopProofClaimsValidator, getDpopProofNonceGenerator, getDpopProofSignatureValidationConfiguration, isRequireDpopProof

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2FlowAwareProfileConfiguration

isAuthorizationCodeFlowEnabled, isImplicitFlowEnabled, isRefreshTokensEnabled

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2RefreshTokenProducingProfileConfiguration

getRefreshTokenChainLifetime, getRefreshTokenTimeout, getRefreshTokenType

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2ScopeValidatingProfileConfiguration

isStrictScopeValidation

Methods inherited from interface net.shibboleth.oidc.profile.oauth2.config.OAuth2TokenEncryptionProfileConfiguration

isEncryptionOptional

Methods inherited from interface net.shibboleth.oidc.profile.config.OIDCAuthenticationProfileConfiguration

getAuthenticationContextClassReferenceTranslationStrategy, getAuthenticationMethodsReferencesTranslationStrategy, getDisplay, getLoginHint, getMaxAuthenticationAge, isUseRequestObject

Methods inherited from interface net.shibboleth.oidc.profile.config.OIDCAuthenticationRelyingPartyProfileConfiguration

getRedirectUriOverride, getUserInfoHttpRequestMethod, isEncryptRequestObject, isProxiedAuthnInstant, isRetrieveUserInfoEndpointClaims, isSignRequestObject, isTlsServerValidationSufficient

Methods inherited from interface net.shibboleth.oidc.profile.config.OIDCFlowAwareProfileConfiguration

isHybridFlowEnabled

Methods inherited from interface net.shibboleth.oidc.profile.config.OIDCIDTokenProducingProfileConfiguration

getAdditionalAudiencesForIdToken, getAlwaysIncludedAttributes, getIDTokenLifetime, getIDTokenManipulationStrategy

Methods inherited from interface net.shibboleth.oidc.profile.config.OIDCSSOProfileConfiguration

getCustomRedirectUriValidationStrategy, isAllowPKCEPlain, isForcePKCE

Methods inherited from interface net.shibboleth.profile.config.ProfileConfiguration

getDisallowedFeatures, getSecurityConfiguration, isFeatureDisallowed

Field Details

PROFILE_COUNTER

@Nonnull
@NotEmpty
public static final String PROFILE_COUNTER

OAuth2 pushed authorization request profile counter name.

See Also:

• Constant Field Values

issuerLookupStrategy

@Nonnull
private Function<ProfileRequestContext,String> issuerLookupStrategy

Lookup function to override issuer value.

requestUriTypeLookupStrategy

@Nonnull
private Function<ProfileRequestContext,String> requestUriTypeLookupStrategy

Lookup function to supply request URI type.

requestUriLifetimeLookupStrategy

@Nonnull
private Function<ProfileRequestContext,Duration> requestUriLifetimeLookupStrategy

Lookup function to supply request URI lifetime.

requestUriClaimsSetManipulationStrategyLookupStrategy

@Nonnull
private Function<ProfileRequestContext,BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>>> requestUriClaimsSetManipulationStrategyLookupStrategy

Lookup function to supply strategy bi-function for manipulating request URI claims set.

Constructor Details

DefaultOAuth2PushedAuthorizationRequestConfiguration

public DefaultOAuth2PushedAuthorizationRequestConfiguration()

Constructor.

DefaultOAuth2PushedAuthorizationRequestConfiguration

public DefaultOAuth2PushedAuthorizationRequestConfiguration(@Nonnull @NotEmpty
 String profileId)

Creates a new configuration instance.

Parameters:

profileId - Unique profile identifier.

Method Details

getIssuer

@Nullable
@NotEmpty
public String getIssuer(@Nullable
 ProfileRequestContext profileRequestContext)

Specified by:

getIssuer in interface OverriddenIssuerProfileConfiguration

Overrides:

getIssuer in class AbstractOIDCSSOConfiguration

setIssuer

public void setIssuer(@Nullable @NotEmpty
 String issuer)

Set overridden issuer value.

Overrides:

setIssuer in class AbstractOIDCSSOConfiguration

Parameters:

issuer - issuer value

setIssuerLookupStrategy

public void setIssuerLookupStrategy(@Nonnull
 Function<ProfileRequestContext,String> strategy)

Sets lookup strategy for overridden issuer value.

Overrides:

setIssuerLookupStrategy in class AbstractOIDCSSOConfiguration

Parameters:

strategy - lookup strategy

getRequestUriType

@Nullable
@NotEmpty
public String getRequestUriType(@Nullable
 ProfileRequestContext profileRequestContext)

Get request URI type.

Specified by:

getRequestUriType in interface OAuth2PushedAuthorizationRequestConfiguration

Parameters:

profileRequestContext - profile request context

Returns:

request URI type, or null for unspecified/opaque

setRequestUriType

public void setRequestUriType(@Nullable @NotEmpty
 String type)

Set request URI type.

Parameters:

type - token type, or null for unspecified/opaque

setRequestUriTypeLookupStrategy

public void setRequestUriTypeLookupStrategy(@Nonnull
 Function<ProfileRequestContext,String> strategy)

Set lookup strategy for request URI type.

Parameters:

strategy - lookup strategy

getRequestUriLifetime

@Positive
@Nonnull
public Duration getRequestUriLifetime(@Nullable
 ProfileRequestContext profileRequestContext)

Get request URI lifetime.

Defaults to 1 minute.

Specified by:

getRequestUriLifetime in interface OAuth2PushedAuthorizationRequestConfiguration

Parameters:

profileRequestContext - profile request context

Returns:

request URI lifetime

setRequestUriLifetime

public void setRequestUriLifetime(@Positive @Nonnull
 Duration lifetime)

Set the lifetime of an request URI.

Parameters:

lifetime - lifetime of an request URI in milliseconds

setRequestUriLifetimeLookupStrategy

public void setRequestUriLifetimeLookupStrategy(@Nullable
 Function<ProfileRequestContext,Duration> strategy)

Set a lookup strategy for the request URI lifetime.

Parameters:

strategy - lookup strategy

getRequestUriClaimsSetManipulationStrategy

@Nullable
public BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>> getRequestUriClaimsSetManipulationStrategy(@Nullable
 ProfileRequestContext profileRequestContext)

Get the bi-function for manipulating request URI claims set.

Specified by:

getRequestUriClaimsSetManipulationStrategy in interface OAuth2PushedAuthorizationRequestConfiguration

Parameters:

profileRequestContext - profile request context

Returns:

the bi-function for manipulating request URI claims set

setRequestUriClaimsSetManipulationStrategy

public void setRequestUriClaimsSetManipulationStrategy(@Nullable
 BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>> strategy)

Set the bi-function for manipulating request URI claims set.

Parameters:

strategy - bi-function for manipulating request URI claims set

setRequestUriClaimsSetManipulationStrategyLookupStrategy

public void setRequestUriClaimsSetManipulationStrategyLookupStrategy(@Nonnull
 Function<ProfileRequestContext,BiFunction<ProfileRequestContext,Map<String,Object>,Map<String,Object>>> strategy)

Set a lookup strategy for the bi-function for manipulating request URI claims set.

Parameters:

strategy - lookup strategy