alexandroid/decompiled/jadx/sources/dagger/internal/SingleCheck.java

package dagger.internal;

import javax.inject.Provider;

/* compiled from: r8-map-id-b9432e0f623b4a4bff4ba50a8a24c4aafad2c1e11092747b9fb5e6a22af5a940 */
/* loaded from: classes9.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)) : p;
    }

    @Override // javax.inject.Provider
    public T get() {
        T t = (T) this.instance;
        if (t != UNINITIALIZED) {
            return t;
        }
        Provider<T> provider = this.provider;
        if (provider == null) {
            return (T) this.instance;
        }
        T t2 = provider.get();
        this.instance = t2;
        this.provider = null;
        return t2;
    }
}