.class final Lcom/google/common/graph/EndpointPairIterator$Undirected;
.super Lcom/google/common/graph/EndpointPairIterator;
.source "EndpointPairIterator.java"


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lcom/google/common/graph/EndpointPairIterator;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0x19
    name = "Undirected"
.end annotation

.annotation system Ldalvik/annotation/Signature;
    value = {
        "<N:",
        "Ljava/lang/Object;",
        ">",
        "Lcom/google/common/graph/EndpointPairIterator<",
        "TN;>;"
    }
.end annotation


# instance fields
.field private visitedNodes:Ljava/util/Set;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/Set<",
            "TN;>;"
        }
    .end annotation

    .annotation runtime Ljavax/annotation/CheckForNull;
    .end annotation
.end field


# direct methods
.method private constructor <init>(Lcom/google/common/graph/BaseGraph;)V
    .locals 1
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Lcom/google/common/graph/BaseGraph<",
            "TN;>;)V"
        }
    .end annotation

    const/4 v0, 0x0

    .line 2
    invoke-direct {p0, p1, v0}, Lcom/google/common/graph/EndpointPairIterator;-><init>(Lcom/google/common/graph/BaseGraph;Lcom/google/common/graph/EndpointPairIterator$1;)V

    .line 3
    invoke-interface {p1}, Lcom/google/common/graph/BaseGraph;->nodes()Ljava/util/Set;

    move-result-object p1

    invoke-interface {p1}, Ljava/util/Set;->size()I

    move-result p1

    add-int/lit8 p1, p1, 0x1

    invoke-static {p1}, Lcom/google/common/collect/Sets;->newHashSetWithExpectedSize(I)Ljava/util/HashSet;

    move-result-object p1

    iput-object p1, p0, Lcom/google/common/graph/EndpointPairIterator$Undirected;->visitedNodes:Ljava/util/Set;

    return-void
.end method

.method public synthetic constructor <init>(Lcom/google/common/graph/BaseGraph;Lcom/google/common/graph/EndpointPairIterator$1;)V
    .locals 0

    .line 1
    invoke-direct {p0, p1}, Lcom/google/common/graph/EndpointPairIterator$Undirected;-><init>(Lcom/google/common/graph/BaseGraph;)V

    return-void
.end method


# virtual methods
.method public computeNext()Lcom/google/common/graph/EndpointPair;
    .locals 2
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "()",
            "Lcom/google/common/graph/EndpointPair<",
            "TN;>;"
        }
    .end annotation

    .annotation runtime Ljavax/annotation/CheckForNull;
    .end annotation

    .line 2
    :cond_0
    iget-object v0, p0, Lcom/google/common/graph/EndpointPairIterator$Undirected;->visitedNodes:Ljava/util/Set;

    invoke-static {v0}, Ljava/util/Objects;->requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 3
    :cond_1
    iget-object v0, p0, Lcom/google/common/graph/EndpointPairIterator;->successorIterator:Ljava/util/Iterator;

    invoke-interface {v0}, Ljava/util/Iterator;->hasNext()Z

    move-result v0

    if-eqz v0, :cond_2

    .line 4
    iget-object v0, p0, Lcom/google/common/graph/EndpointPairIterator;->successorIterator:Ljava/util/Iterator;

    invoke-interface {v0}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v0

    .line 5
    iget-object v1, p0, Lcom/google/common/graph/EndpointPairIterator$Undirected;->visitedNodes:Ljava/util/Set;

    invoke-interface {v1, v0}, Ljava/util/Set;->contains(Ljava/lang/Object;)Z

    move-result v1

    if-nez v1, :cond_1

    .line 6
    iget-object v1, p0, Lcom/google/common/graph/EndpointPairIterator;->node:Ljava/lang/Object;

    invoke-static {v1}, Ljava/util/Objects;->requireNonNull(Ljava/lang/Object;)Ljava/lang/Object;

    invoke-static {v1, v0}, Lcom/google/common/graph/EndpointPair;->unordered(Ljava/lang/Object;Ljava/lang/Object;)Lcom/google/common/graph/EndpointPair;

    move-result-object v0

    return-object v0

    .line 7
    :cond_2
    iget-object v0, p0, Lcom/google/common/graph/EndpointPairIterator$Undirected;->visitedNodes:Ljava/util/Set;

    iget-object v1, p0, Lcom/google/common/graph/EndpointPairIterator;->node:Ljava/lang/Object;

    invoke-interface {v0, v1}, Ljava/util/Set;->add(Ljava/lang/Object;)Z

    .line 8
    invoke-virtual {p0}, Lcom/google/common/graph/EndpointPairIterator;->advance()Z

    move-result v0

    if-nez v0, :cond_0

    const/4 v0, 0x0

    .line 9
    iput-object v0, p0, Lcom/google/common/graph/EndpointPairIterator$Undirected;->visitedNodes:Ljava/util/Set;

    .line 10
    invoke-virtual {p0}, Lcom/google/common/collect/AbstractIterator;->endOfData()Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Lcom/google/common/graph/EndpointPair;

    return-object v0
.end method

.method public bridge synthetic computeNext()Ljava/lang/Object;
    .locals 1
    .annotation runtime Ljavax/annotation/CheckForNull;
    .end annotation

    .line 1
    invoke-virtual {p0}, Lcom/google/common/graph/EndpointPairIterator$Undirected;->computeNext()Lcom/google/common/graph/EndpointPair;

    move-result-object v0

    return-object v0
.end method