com.google.inject.internal.InjectorBindingData Maven / Gradle / Ivy
/*
* Copyright (C) 2008 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.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.inject.Binding;
import com.google.inject.Key;
import com.google.inject.Scope;
import com.google.inject.TypeLiteral;
import com.google.inject.spi.InjectionRequest;
import com.google.inject.spi.InterceptorBinding;
import com.google.inject.spi.MembersInjectorLookup;
import com.google.inject.spi.ModuleAnnotatedMethodScannerBinding;
import com.google.inject.spi.ProviderLookup;
import com.google.inject.spi.ProvisionListenerBinding;
import com.google.inject.spi.ScopeBinding;
import com.google.inject.spi.StaticInjectionRequest;
import com.google.inject.spi.TypeConverterBinding;
import com.google.inject.spi.TypeListenerBinding;
import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
/**
* A container that stores an injector's binding data. This excludes JIT binding data, which is
* stored in {@link InjectorJitBindingData}.
*
* @author [email protected] (Jesse Wilson)
*/
class InjectorBindingData {
// The parent injector's InjectorBindingData, if the parent injector exists.
private final Optional parent;
// Must be a linked hashmap in order to preserve order of bindings in Modules.
private final Map, Binding> explicitBindingsMutable = Maps.newLinkedHashMap();
private final Map, Binding> explicitBindings =
Collections.unmodifiableMap(explicitBindingsMutable);
private final Map, ScopeBinding> scopes = Maps.newHashMap();
private final Set> providerLookups = Sets.newLinkedHashSet();
private final Set staticInjectionRequests = Sets.newLinkedHashSet();
private final Set> membersInjectorLookups = Sets.newLinkedHashSet();
private final Set> injectionRequests = Sets.newLinkedHashSet();
private final List converters = Lists.newArrayList();
private final List interceptorBindings = Lists.newArrayList();
private final List typeListenerBindings = Lists.newArrayList();
private final List provisionListenerBindings = Lists.newArrayList();
private final List scannerBindings = Lists.newArrayList();
// The injector's explicit bindings, indexed by the binding's type.
private final ListMultimap, Binding> indexedExplicitBindings =
ArrayListMultimap.create();
InjectorBindingData(Optional parent) {
this.parent = parent;
}
public Optional parent() {
return parent;
}
@SuppressWarnings("unchecked") // we only put in BindingImpls that match their key types
public BindingImpl getExplicitBinding(Key key) {
Binding binding = explicitBindings.get(key);
if (binding == null && parent.isPresent()) {
return parent.get().getExplicitBinding(key);
}
return (BindingImpl) binding;
}
public Map, Binding> getExplicitBindingsThisLevel() {
return explicitBindings;
}
public void putBinding(Key key, BindingImpl binding) {
explicitBindingsMutable.put(key, binding);
}
public void putProviderLookup(ProviderLookup lookup) {
providerLookups.add(lookup);
}
public Set> getProviderLookupsThisLevel() {
return providerLookups;
}
public void putStaticInjectionRequest(StaticInjectionRequest staticInjectionRequest) {
staticInjectionRequests.add(staticInjectionRequest);
}
public Set getStaticInjectionRequestsThisLevel() {
return staticInjectionRequests;
}
public void putInjectionRequest(InjectionRequest injectionRequest) {
injectionRequests.add(injectionRequest);
}
public Set> getInjectionRequestsThisLevel() {
return injectionRequests;
}
public void putMembersInjectorLookup(MembersInjectorLookup membersInjectorLookup) {
membersInjectorLookups.add(membersInjectorLookup);
}
public Set> getMembersInjectorLookupsThisLevel() {
return membersInjectorLookups;
}
public ScopeBinding getScopeBinding(Class annotationType) {
ScopeBinding scopeBinding = scopes.get(annotationType);
if (scopeBinding == null && parent.isPresent()) {
return parent.get().getScopeBinding(annotationType);
}
return scopeBinding;
}
public void putScopeBinding(Class annotationType, ScopeBinding scope) {
scopes.put(annotationType, scope);
}
public Collection getScopeBindingsThisLevel() {
return scopes.values();
}
public Iterable getConvertersThisLevel() {
return converters;
}
public void addConverter(TypeConverterBinding typeConverterBinding) {
converters.add(typeConverterBinding);
}
public TypeConverterBinding getConverter(
String stringValue, TypeLiteral type, Errors errors, Object source) {
TypeConverterBinding matchingConverter = null;
InjectorBindingData b = this;
while (b != null) {
for (TypeConverterBinding converter : b.getConvertersThisLevel()) {
if (converter.getTypeMatcher().matches(type)) {
if (matchingConverter != null) {
errors.ambiguousTypeConversion(stringValue, source, type, matchingConverter, converter);
}
matchingConverter = converter;
}
}
b = b.parent().orElse(null);
}
return matchingConverter;
}
public void addInterceptorBinding(InterceptorBinding interceptorBinding) {
interceptorBindings.add(interceptorBinding);
}
public ImmutableList getInterceptorBindings() {
if (parent.isPresent()) {
return new ImmutableList.Builder()
.addAll(parent.get().getInterceptorBindings())
.addAll(interceptorBindings)
.build();
}
return ImmutableList.copyOf(interceptorBindings);
}
public ImmutableList getInterceptorBindingsThisLevel() {
return ImmutableList.copyOf(interceptorBindings);
}
public void addTypeListener(TypeListenerBinding listenerBinding) {
typeListenerBindings.add(listenerBinding);
}
public ImmutableList getTypeListenerBindings() {
if (parent.isPresent()) {
return new ImmutableList.Builder()
.addAll(parent.get().getTypeListenerBindings())
.addAll(typeListenerBindings)
.build();
}
return ImmutableList.copyOf(typeListenerBindings);
}
public ImmutableList getTypeListenerBindingsThisLevel() {
return ImmutableList.copyOf(typeListenerBindings);
}
public void addProvisionListener(ProvisionListenerBinding listenerBinding) {
provisionListenerBindings.add(listenerBinding);
}
public ImmutableList getProvisionListenerBindings() {
if (parent.isPresent()) {
return new ImmutableList.Builder()
.addAll(parent.get().getProvisionListenerBindings())
.addAll(provisionListenerBindings)
.build();
}
return ImmutableList.copyOf(provisionListenerBindings);
}
public ImmutableList getProvisionListenerBindingsThisLevel() {
return ImmutableList.copyOf(provisionListenerBindings);
}
public void addScanner(ModuleAnnotatedMethodScannerBinding scanner) {
scannerBindings.add(scanner);
}
public ImmutableList getScannerBindings() {
if (parent.isPresent()) {
return new ImmutableList.Builder()
.addAll(parent.get().getScannerBindings())
.addAll(scannerBindings)
.build();
}
return ImmutableList.copyOf(scannerBindings);
}
public ImmutableList getScannerBindingsThisLevel() {
return ImmutableList.copyOf(scannerBindings);
}
public Map, Scope> getScopes() {
ImmutableMap.Builder, Scope> builder = ImmutableMap.builder();
for (Map.Entry, ScopeBinding> entry : scopes.entrySet()) {
builder.put(entry.getKey(), entry.getValue().getScope());
}
return builder.buildOrThrow();
}
/**
* Once the injector's explicit bindings are finalized, this method is called to index all
* explicit bindings by their return type.
*/
void indexBindingsByType() {
for (Binding binding : getExplicitBindingsThisLevel().values()) {
indexedExplicitBindings.put(binding.getKey().getTypeLiteral(), binding);
}
}
public ListMultimap, Binding> getIndexedExplicitBindings() {
return indexedExplicitBindings;
}
}