| /* |
| * Copyright (C) 2007 Google Inc. |
| * |
| * Licensed 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 com.google.inject.internal; |
| |
| import com.google.inject.Binder; |
| import com.google.inject.Key; |
| import com.google.inject.internal.util.ImmutableSet; |
| import com.google.inject.internal.util.Objects; |
| import com.google.inject.internal.util.ToStringBuilder; |
| import com.google.inject.spi.BindingTargetVisitor; |
| import com.google.inject.spi.Dependency; |
| import com.google.inject.spi.HasDependencies; |
| import com.google.inject.spi.ProviderKeyBinding; |
| import java.util.Set; |
| |
| final class LinkedProviderBindingImpl<T> |
| extends BindingImpl<T> implements ProviderKeyBinding<T>, HasDependencies, DelayedInitialize { |
| |
| final Key<? extends javax.inject.Provider<? extends T>> providerKey; |
| final DelayedInitialize delayedInitializer; |
| |
| private LinkedProviderBindingImpl(InjectorImpl injector, Key<T> key, Object source, |
| InternalFactory<? extends T> internalFactory, Scoping scoping, |
| Key<? extends javax.inject.Provider<? extends T>> providerKey, |
| DelayedInitialize delayedInitializer) { |
| super(injector, key, source, internalFactory, scoping); |
| this.providerKey = providerKey; |
| this.delayedInitializer = delayedInitializer; |
| } |
| |
| public LinkedProviderBindingImpl(InjectorImpl injector, Key<T> key, Object source, |
| InternalFactory<? extends T> internalFactory, Scoping scoping, |
| Key<? extends javax.inject.Provider<? extends T>> providerKey) { |
| this(injector, key, source, internalFactory, scoping, providerKey, null); |
| } |
| |
| LinkedProviderBindingImpl(Object source, Key<T> key, Scoping scoping, |
| Key<? extends javax.inject.Provider<? extends T>> providerKey) { |
| super(source, key, scoping); |
| this.providerKey = providerKey; |
| this.delayedInitializer = null; |
| } |
| |
| static <T> LinkedProviderBindingImpl<T> createWithInitializer(InjectorImpl injector, Key<T> key, |
| Object source, InternalFactory<? extends T> internalFactory, Scoping scoping, |
| Key<? extends javax.inject.Provider<? extends T>> providerKey, |
| DelayedInitialize delayedInitializer) { |
| return new LinkedProviderBindingImpl<T>(injector, key, source, internalFactory, scoping, |
| providerKey, delayedInitializer); |
| } |
| |
| public <V> V acceptTargetVisitor(BindingTargetVisitor<? super T, V> visitor) { |
| return visitor.visit(this); |
| } |
| |
| public Key<? extends javax.inject.Provider<? extends T>> getProviderKey() { |
| return providerKey; |
| } |
| |
| public void initialize(InjectorImpl injector, Errors errors) throws ErrorsException { |
| if (delayedInitializer != null) { |
| delayedInitializer.initialize(injector, errors); |
| } |
| } |
| |
| public Set<Dependency<?>> getDependencies() { |
| return ImmutableSet.<Dependency<?>>of(Dependency.get(providerKey)); |
| } |
| |
| public BindingImpl<T> withScoping(Scoping scoping) { |
| return new LinkedProviderBindingImpl<T>(getSource(), getKey(), scoping, providerKey); |
| } |
| |
| public BindingImpl<T> withKey(Key<T> key) { |
| return new LinkedProviderBindingImpl<T>(getSource(), key, getScoping(), providerKey); |
| } |
| |
| public void applyTo(Binder binder) { |
| getScoping().applyTo(binder.withSource(getSource()) |
| .bind(getKey()).toProvider(getProviderKey())); |
| } |
| |
| @Override public String toString() { |
| return new ToStringBuilder(ProviderKeyBinding.class) |
| .add("key", getKey()) |
| .add("source", getSource()) |
| .add("scope", getScoping()) |
| .add("provider", providerKey) |
| .toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if(obj instanceof LinkedProviderBindingImpl) { |
| LinkedProviderBindingImpl<?> o = (LinkedProviderBindingImpl<?>)obj; |
| return getKey().equals(o.getKey()) |
| && getScoping().equals(o.getScoping()) |
| && Objects.equal(providerKey, o.providerKey); |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(getKey(), getScoping(), providerKey); |
| } |
| } |