| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.jclouds.location.config; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.jclouds.Constants.PROPERTY_SESSION_INTERVAL; |
| |
| import java.net.URI; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.collect.Memoized; |
| import org.jclouds.domain.Location; |
| import org.jclouds.internal.ClassMethodArgsAndReturnVal; |
| import org.jclouds.location.Iso3166; |
| import org.jclouds.location.Provider; |
| import org.jclouds.location.Region; |
| import org.jclouds.location.Zone; |
| import org.jclouds.location.predicates.RegionIdFilter; |
| import org.jclouds.location.predicates.ZoneIdFilter; |
| import org.jclouds.location.suppliers.ImplicitLocationSupplier; |
| import org.jclouds.location.suppliers.ImplicitRegionIdSupplier; |
| import org.jclouds.location.suppliers.LocationIdToIso3166CodesSupplier; |
| import org.jclouds.location.suppliers.LocationsSupplier; |
| import org.jclouds.location.suppliers.ProviderURISupplier; |
| import org.jclouds.location.suppliers.RegionIdToURISupplier; |
| import org.jclouds.location.suppliers.RegionIdToZoneIdsSupplier; |
| import org.jclouds.location.suppliers.RegionIdsSupplier; |
| import org.jclouds.location.suppliers.ZoneIdToURISupplier; |
| import org.jclouds.location.suppliers.ZoneIdsSupplier; |
| import org.jclouds.rest.AuthorizationException; |
| import org.jclouds.rest.functions.ImplicitOptionalConverter; |
| import org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Supplier; |
| import com.google.common.base.Suppliers; |
| import com.google.common.collect.Sets; |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Provides; |
| import com.google.inject.TypeLiteral; |
| |
| /** |
| * All of these are memoized as locations do not change often at runtime. Note that we take care to |
| * propagate authorization exceptions. this is so that we do not lock out the account. |
| * |
| * @author Adrian Cole |
| */ |
| public class LocationModule extends AbstractModule { |
| |
| @Override |
| protected void configure() { |
| bind(new TypeLiteral<Function<ClassMethodArgsAndReturnVal, Optional<Object>>>(){}).to(ImplicitOptionalConverter.class); |
| } |
| |
| @Provides |
| @Singleton |
| @Iso3166 |
| protected Supplier<Map<String, Supplier<Set<String>>>> isoCodesSupplier( |
| AtomicReference<AuthorizationException> authException, @Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| LocationIdToIso3166CodesSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| @Provides |
| @Singleton |
| @Provider |
| protected Supplier<URI> provideProvider(AtomicReference<AuthorizationException> authException, |
| @Named(PROPERTY_SESSION_INTERVAL) long seconds, ProviderURISupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| @Provides |
| @Singleton |
| protected Supplier<Location> implicitLocationSupplier(AtomicReference<AuthorizationException> authException, |
| @Named(PROPERTY_SESSION_INTERVAL) long seconds, ImplicitLocationSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| @Provides |
| @Singleton |
| // TODO: we should eventually get rid of memoized as an annotation, as it is confusing |
| @Memoized |
| protected Supplier<Set<? extends Location>> memoizedLocationsSupplier( |
| AtomicReference<AuthorizationException> authException, @Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| LocationsSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| @Provides |
| @Singleton |
| @Region |
| protected Supplier<Set<String>> regionIdsSupplier(AtomicReference<AuthorizationException> authException, |
| @Named(PROPERTY_SESSION_INTERVAL) long seconds, RegionIdFilter filter, RegionIdsSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, |
| Suppliers.compose(new FilterStrings(filter), uncached)); |
| } |
| |
| @Provides |
| @Singleton |
| @Zone |
| protected Supplier<Set<String>> zoneIdsSupplier( |
| AtomicReference<AuthorizationException> authException, @Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| ZoneIdFilter filter, ZoneIdsSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, |
| Suppliers.compose(new FilterStrings(filter), uncached)); |
| } |
| |
| static class FilterStrings implements Function<Set<String>, Set<String>>{ |
| public final Predicate<String> filter; |
| |
| public FilterStrings(Predicate<String> filter) { |
| this.filter = checkNotNull(filter, "filter"); |
| } |
| |
| |
| @Override |
| public Set<String> apply(Set<String> input) { |
| return Sets.filter(input, filter); |
| } |
| |
| } |
| |
| @Provides |
| @Singleton |
| @Region |
| protected Supplier<Map<String, Supplier<URI>>> regionIdToURISupplier( |
| AtomicReference<AuthorizationException> authException, @Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| RegionIdToURISupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| @Provides |
| @Singleton |
| @Region |
| protected Supplier<String> implicitRegionIdSupplier(AtomicReference<AuthorizationException> authException, |
| @Named(PROPERTY_SESSION_INTERVAL) long seconds, ImplicitRegionIdSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| |
| @Provides |
| @Singleton |
| @Zone |
| protected Supplier<Map<String, Supplier<Set<String>>>> regionIdToZoneIdsSupplier( |
| AtomicReference<AuthorizationException> authException, @Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| RegionIdToZoneIdsSupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| |
| @Provides |
| @Singleton |
| @Zone |
| protected Supplier<Map<String, Supplier<URI>>> zoneIdToURISupplier( |
| AtomicReference<AuthorizationException> authException, @Named(PROPERTY_SESSION_INTERVAL) long seconds, |
| ZoneIdToURISupplier uncached) { |
| return MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.create(authException, seconds, uncached); |
| } |
| } |