161 lines
5.5 KiB
Java
161 lines
5.5 KiB
Java
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package com.google.firebase.components;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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/* loaded from: classes.dex */
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class CycleDetector {
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes.dex */
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public static class Dep {
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private final Class<?> anInterface;
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private final boolean set;
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private Dep(Class<?> cls, boolean z) {
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this.anInterface = cls;
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this.set = z;
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}
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public boolean equals(Object obj) {
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if (!(obj instanceof Dep)) {
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return false;
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}
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Dep dep = (Dep) obj;
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return dep.anInterface.equals(this.anInterface) && dep.set == this.set;
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}
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public int hashCode() {
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return ((this.anInterface.hashCode() ^ 1000003) * 1000003) ^ Boolean.valueOf(this.set).hashCode();
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}
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}
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CycleDetector() {
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes.dex */
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public static class ComponentNode {
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private final Component<?> component;
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private final Set<ComponentNode> dependencies = new HashSet();
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private final Set<ComponentNode> dependents = new HashSet();
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ComponentNode(Component<?> component) {
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this.component = component;
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}
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void addDependency(ComponentNode componentNode) {
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this.dependencies.add(componentNode);
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}
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void addDependent(ComponentNode componentNode) {
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this.dependents.add(componentNode);
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}
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void removeDependent(ComponentNode componentNode) {
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this.dependents.remove(componentNode);
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}
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boolean isRoot() {
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return this.dependents.isEmpty();
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}
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boolean isLeaf() {
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return this.dependencies.isEmpty();
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}
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Set<ComponentNode> getDependencies() {
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return this.dependencies;
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}
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Component<?> getComponent() {
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return this.component;
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static void detect(List<Component<?>> list) {
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Set<ComponentNode> graph = toGraph(list);
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Set<ComponentNode> roots = getRoots(graph);
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int i = 0;
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while (!roots.isEmpty()) {
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ComponentNode next = roots.iterator().next();
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roots.remove(next);
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i++;
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for (ComponentNode componentNode : next.getDependencies()) {
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componentNode.removeDependent(next);
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if (componentNode.isRoot()) {
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roots.add(componentNode);
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}
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}
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}
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if (i == list.size()) {
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return;
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}
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ArrayList arrayList = new ArrayList();
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for (ComponentNode componentNode2 : graph) {
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if (!componentNode2.isRoot() && !componentNode2.isLeaf()) {
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arrayList.add(componentNode2.getComponent());
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}
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}
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throw new DependencyCycleException(arrayList);
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}
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private static Set<ComponentNode> toGraph(List<Component<?>> list) {
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Set<ComponentNode> set;
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HashMap hashMap = new HashMap(list.size());
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Iterator<Component<?>> it = list.iterator();
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while (true) {
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if (it.hasNext()) {
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Component<?> next = it.next();
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ComponentNode componentNode = new ComponentNode(next);
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for (Class<? super Object> cls : next.getProvidedInterfaces()) {
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Dep dep = new Dep(cls, !next.isValue());
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if (!hashMap.containsKey(dep)) {
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hashMap.put(dep, new HashSet());
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}
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Set set2 = (Set) hashMap.get(dep);
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if (!set2.isEmpty() && !dep.set) {
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throw new IllegalArgumentException(String.format("Multiple components provide %s.", cls));
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}
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set2.add(componentNode);
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}
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} else {
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Iterator it2 = hashMap.values().iterator();
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while (it2.hasNext()) {
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for (ComponentNode componentNode2 : (Set) it2.next()) {
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for (Dependency dependency : componentNode2.getComponent().getDependencies()) {
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if (dependency.isDirectInjection() && (set = (Set) hashMap.get(new Dep(dependency.getInterface(), dependency.isSet()))) != null) {
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for (ComponentNode componentNode3 : set) {
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componentNode2.addDependency(componentNode3);
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componentNode3.addDependent(componentNode2);
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}
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}
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}
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}
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}
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HashSet hashSet = new HashSet();
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Iterator it3 = hashMap.values().iterator();
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while (it3.hasNext()) {
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hashSet.addAll((Set) it3.next());
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}
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return hashSet;
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}
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}
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}
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private static Set<ComponentNode> getRoots(Set<ComponentNode> set) {
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HashSet hashSet = new HashSet();
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for (ComponentNode componentNode : set) {
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if (componentNode.isRoot()) {
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hashSet.add(componentNode);
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}
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}
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return hashSet;
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}
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}
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