| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.compute.config; |
| 20 | |
| 21 | import java.util.Set; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | import javax.inject.Singleton; |
| 25 | |
| 26 | import org.jclouds.compute.domain.Hardware; |
| 27 | import org.jclouds.compute.domain.Image; |
| 28 | import org.jclouds.domain.Location; |
| 29 | import org.jclouds.location.suppliers.OnlyLocationOrFirstZone; |
| 30 | |
| 31 | import com.google.common.base.Supplier; |
| 32 | import com.google.inject.AbstractModule; |
| 33 | import com.google.inject.Scopes; |
| 34 | import com.google.inject.TypeLiteral; |
| 35 | |
| 36 | /** |
| 37 | * @author Adrian Cole |
| 38 | */ |
| 39 | public abstract class BindComputeSuppliersByClass extends AbstractModule { |
| 40 | |
| 41 | @Override |
| 42 | protected void configure() { |
| 43 | bindImageSupplier(defineImageSupplier()); |
| 44 | bindLocationSupplier(defineLocationSupplier()); |
| 45 | bindHardwareSupplier(defineHardwareSupplier()); |
| 46 | bindDefaultLocationSupplier(defineDefaultLocationSupplier()); |
| 47 | } |
| 48 | |
| 49 | protected abstract Class<? extends Supplier<Set<? extends Image>>> defineImageSupplier(); |
| 50 | |
| 51 | protected abstract Class<? extends Supplier<Set<? extends Hardware>>> defineHardwareSupplier(); |
| 52 | |
| 53 | protected Class<? extends Supplier<Set<? extends Location>>> defineLocationSupplier() { |
| 54 | return SupplierOfLocationSet.class; |
| 55 | } |
| 56 | |
| 57 | @Singleton |
| 58 | static class SupplierOfLocationSet implements Supplier<Set<? extends Location>> { |
| 59 | private final Set<? extends Location> locations; |
| 60 | |
| 61 | @Inject |
| 62 | SupplierOfLocationSet(Set<? extends Location> locations) { |
| 63 | this.locations = locations; |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public Set<? extends Location> get() { |
| 68 | return locations; |
| 69 | } |
| 70 | |
| 71 | } |
| 72 | |
| 73 | protected Class<? extends Supplier<Location>> defineDefaultLocationSupplier() { |
| 74 | return OnlyLocationOrFirstZone.class; |
| 75 | } |
| 76 | |
| 77 | protected void bindImageSupplier(Class<? extends Supplier<Set<? extends Image>>> clazz) { |
| 78 | bind(new TypeLiteral<Supplier<Set<? extends Image>>>() { |
| 79 | }).to(clazz).in(Scopes.SINGLETON); |
| 80 | } |
| 81 | |
| 82 | protected void bindLocationSupplier(Class<? extends Supplier<Set<? extends Location>>> clazz) { |
| 83 | bind(new TypeLiteral<Supplier<Set<? extends Location>>>() { |
| 84 | }).to(clazz).in(Scopes.SINGLETON); |
| 85 | } |
| 86 | |
| 87 | protected void bindDefaultLocationSupplier(Class<? extends Supplier<Location>> clazz) { |
| 88 | bind(new TypeLiteral<Supplier<Location>>() { |
| 89 | }).to(clazz).in(Scopes.SINGLETON); |
| 90 | } |
| 91 | |
| 92 | protected void bindHardwareSupplier(Class<? extends Supplier<Set<? extends Hardware>>> clazz) { |
| 93 | bind(new TypeLiteral<Supplier<Set<? extends Hardware>>>() { |
| 94 | }).to(clazz).in(Scopes.SINGLETON); |
| 95 | } |
| 96 | |
| 97 | } |