78 lines
1.8 KiB
Java
78 lines
1.8 KiB
Java
package com.google.common.collect;
|
|
|
|
import com.google.common.base.Preconditions;
|
|
import java.util.NoSuchElementException;
|
|
|
|
/* loaded from: classes.dex */
|
|
public abstract class AbstractIterator<T> extends UnmodifiableIterator<T> {
|
|
private State a = State.NOT_READY;
|
|
private T b;
|
|
|
|
/* renamed from: com.google.common.collect.AbstractIterator$1, reason: invalid class name */
|
|
static /* synthetic */ class AnonymousClass1 {
|
|
static final /* synthetic */ int[] a = new int[State.values().length];
|
|
|
|
static {
|
|
try {
|
|
a[State.DONE.ordinal()] = 1;
|
|
} catch (NoSuchFieldError unused) {
|
|
}
|
|
try {
|
|
a[State.READY.ordinal()] = 2;
|
|
} catch (NoSuchFieldError unused2) {
|
|
}
|
|
}
|
|
}
|
|
|
|
private enum State {
|
|
READY,
|
|
NOT_READY,
|
|
DONE,
|
|
FAILED
|
|
}
|
|
|
|
protected AbstractIterator() {
|
|
}
|
|
|
|
private boolean c() {
|
|
this.a = State.FAILED;
|
|
this.b = a();
|
|
if (this.a == State.DONE) {
|
|
return false;
|
|
}
|
|
this.a = State.READY;
|
|
return true;
|
|
}
|
|
|
|
protected abstract T a();
|
|
|
|
protected final T b() {
|
|
this.a = State.DONE;
|
|
return null;
|
|
}
|
|
|
|
@Override // java.util.Iterator
|
|
public final boolean hasNext() {
|
|
Preconditions.b(this.a != State.FAILED);
|
|
int i = AnonymousClass1.a[this.a.ordinal()];
|
|
if (i == 1) {
|
|
return false;
|
|
}
|
|
if (i != 2) {
|
|
return c();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
@Override // java.util.Iterator
|
|
public final T next() {
|
|
if (!hasNext()) {
|
|
throw new NoSuchElementException();
|
|
}
|
|
this.a = State.NOT_READY;
|
|
T t = this.b;
|
|
this.b = null;
|
|
return t;
|
|
}
|
|
}
|