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com.google.inject.internal.ProviderInstanceBindingImpl Maven / Gradle / Ivy
/*
* 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 static com.google.inject.internal.GuiceInternal.GUICE_INTERNAL;
import static com.google.inject.spi.Elements.withTrustedSource;
import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableSet;
import com.google.inject.Binder;
import com.google.inject.Key;
import com.google.inject.Provider;
import com.google.inject.spi.BindingTargetVisitor;
import com.google.inject.spi.Dependency;
import com.google.inject.spi.HasDependencies;
import com.google.inject.spi.InjectionPoint;
import com.google.inject.spi.ProviderInstanceBinding;
import com.google.inject.spi.ProviderWithExtensionVisitor;
import com.google.inject.util.Providers;
import java.util.Set;
class ProviderInstanceBindingImpl extends BindingImpl implements ProviderInstanceBinding {
final javax.inject.Provider extends T> providerInstance;
final ImmutableSet injectionPoints;
public ProviderInstanceBindingImpl(
InjectorImpl injector,
Key key,
Object source,
InternalFactory extends T> internalFactory,
Scoping scoping,
javax.inject.Provider extends T> providerInstance,
Set injectionPoints) {
super(injector, key, source, internalFactory, scoping);
this.providerInstance = providerInstance;
this.injectionPoints = ImmutableSet.copyOf(injectionPoints);
}
public ProviderInstanceBindingImpl(
Object source,
Key key,
Scoping scoping,
Set injectionPoints,
javax.inject.Provider extends T> providerInstance) {
super(source, key, scoping);
this.injectionPoints = ImmutableSet.copyOf(injectionPoints);
this.providerInstance = providerInstance;
}
@Override
public V acceptTargetVisitor(BindingTargetVisitor super T, V> visitor) {
if (providerInstance instanceof ProviderWithExtensionVisitor) {
return ((ProviderWithExtensionVisitor extends T>) providerInstance)
.acceptExtensionVisitor(visitor, this);
} else {
return visitor.visit(this);
}
}
public Provider extends T> getProviderInstance() {
return Providers.guicify(providerInstance);
}
@Override
public javax.inject.Provider extends T> getUserSuppliedProvider() {
return providerInstance;
}
@Override
public Set getInjectionPoints() {
return injectionPoints;
}
@Override
public Set> getDependencies() {
return providerInstance instanceof HasDependencies
? ImmutableSet.copyOf(((HasDependencies) providerInstance).getDependencies())
: Dependency.forInjectionPoints(injectionPoints);
}
@Override
public BindingImpl withScoping(Scoping scoping) {
return new ProviderInstanceBindingImpl(
getSource(), getKey(), scoping, injectionPoints, providerInstance);
}
@Override
public BindingImpl withKey(Key key) {
return new ProviderInstanceBindingImpl(
getSource(), key, getScoping(), injectionPoints, providerInstance);
}
@Override
public void applyTo(Binder binder) {
getScoping()
.applyTo(
withTrustedSource(GUICE_INTERNAL, binder, getSource())
.bind(getKey())
.toProvider(getUserSuppliedProvider()));
}
@Override
public String toString() {
return MoreObjects.toStringHelper(ProviderInstanceBinding.class)
.add("key", getKey())
.add("source", getSource())
.add("scope", getScoping())
.add("provider", providerInstance)
.toString();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ProviderInstanceBindingImpl) {
ProviderInstanceBindingImpl> o = (ProviderInstanceBindingImpl>) obj;
return getKey().equals(o.getKey())
&& getScoping().equals(o.getScoping())
&& Objects.equal(providerInstance, o.providerInstance);
} else {
return false;
}
}
@Override
public int hashCode() {
return Objects.hashCode(getKey(), getScoping());
}
}