Initial import of ADIF API reverse-engineering toolkit

apk_decompiled/sources/dagger/internal/SingleCheck.java

@@ -0,0 +1,37 @@
+package dagger.internal;
+
+/* loaded from: classes3.dex */
+public final class SingleCheck<T> implements Provider<T> {
+    static final /* synthetic */ boolean $assertionsDisabled = false;
+    private static final Object UNINITIALIZED = new Object();
+    private volatile Object instance = UNINITIALIZED;
+    private volatile Provider<T> provider;
+
+    private SingleCheck(Provider<T> provider) {
+        this.provider = provider;
+    }
+
+    public static <P extends Provider<T>, T> Provider<T> provider(P p) {
+        return ((p instanceof SingleCheck) || (p instanceof DoubleCheck)) ? p : new SingleCheck((Provider) Preconditions.checkNotNull(p));
+    }
+
+    @Override // javax.inject.Provider
+    public T get() {
+        T t2 = (T) this.instance;
+        if (t2 != UNINITIALIZED) {
+            return t2;
+        }
+        Provider<T> provider = this.provider;
+        if (provider == null) {
+            return (T) this.instance;
+        }
+        T t4 = provider.get();
+        this.instance = t4;
+        this.provider = null;
+        return t4;
+    }
+
+    public static <P extends javax.inject.Provider<T>, T> javax.inject.Provider<T> provider(P p) {
+        return provider(Providers.asDaggerProvider(p));
+    }
+}