Rabbit-R1/android (non root)/java/sources/com/google/common/graph/AbstractDirectedNetworkConnections.java
2024-05-21 17:08:36 -04:00

111 lines
4.6 KiB
Java

package com.google.common.graph;
import com.google.common.base.Preconditions;
import com.google.common.collect.Iterables;
import com.google.common.collect.Iterators;
import com.google.common.collect.Sets;
import com.google.common.collect.UnmodifiableIterator;
import com.google.common.math.IntMath;
import java.util.AbstractSet;
import java.util.Collections;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import javax.annotation.CheckForNull;
/* JADX INFO: Access modifiers changed from: package-private */
@ElementTypesAreNonnullByDefault
/* loaded from: classes3.dex */
public abstract class AbstractDirectedNetworkConnections<N, E> implements NetworkConnections<N, E> {
final Map<E, N> inEdgeMap;
final Map<E, N> outEdgeMap;
private int selfLoopCount;
/* JADX INFO: Access modifiers changed from: package-private */
public AbstractDirectedNetworkConnections(Map<E, N> map, Map<E, N> map2, int i) {
this.inEdgeMap = (Map) Preconditions.checkNotNull(map);
this.outEdgeMap = (Map) Preconditions.checkNotNull(map2);
this.selfLoopCount = Graphs.checkNonNegative(i);
Preconditions.checkState(i <= map.size() && i <= map2.size());
}
@Override // com.google.common.graph.NetworkConnections
public Set<N> adjacentNodes() {
return Sets.union(predecessors(), successors());
}
@Override // com.google.common.graph.NetworkConnections
public Set<E> incidentEdges() {
return new AbstractSet<E>() { // from class: com.google.common.graph.AbstractDirectedNetworkConnections.1
@Override // java.util.AbstractCollection, java.util.Collection, java.lang.Iterable, java.util.Set
public UnmodifiableIterator<E> iterator() {
Iterable union;
if (AbstractDirectedNetworkConnections.this.selfLoopCount == 0) {
union = Iterables.concat(AbstractDirectedNetworkConnections.this.inEdgeMap.keySet(), AbstractDirectedNetworkConnections.this.outEdgeMap.keySet());
} else {
union = Sets.union(AbstractDirectedNetworkConnections.this.inEdgeMap.keySet(), AbstractDirectedNetworkConnections.this.outEdgeMap.keySet());
}
return Iterators.unmodifiableIterator(union.iterator());
}
@Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
public int size() {
return IntMath.saturatedAdd(AbstractDirectedNetworkConnections.this.inEdgeMap.size(), AbstractDirectedNetworkConnections.this.outEdgeMap.size() - AbstractDirectedNetworkConnections.this.selfLoopCount);
}
@Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
public boolean contains(@CheckForNull Object obj) {
return AbstractDirectedNetworkConnections.this.inEdgeMap.containsKey(obj) || AbstractDirectedNetworkConnections.this.outEdgeMap.containsKey(obj);
}
};
}
@Override // com.google.common.graph.NetworkConnections
public Set<E> inEdges() {
return Collections.unmodifiableSet(this.inEdgeMap.keySet());
}
@Override // com.google.common.graph.NetworkConnections
public Set<E> outEdges() {
return Collections.unmodifiableSet(this.outEdgeMap.keySet());
}
@Override // com.google.common.graph.NetworkConnections
public N adjacentNode(E e) {
return (N) Objects.requireNonNull(this.outEdgeMap.get(e));
}
@Override // com.google.common.graph.NetworkConnections
public N removeInEdge(E e, boolean z) {
if (z) {
int i = this.selfLoopCount - 1;
this.selfLoopCount = i;
Graphs.checkNonNegative(i);
}
return (N) Objects.requireNonNull(this.inEdgeMap.remove(e));
}
@Override // com.google.common.graph.NetworkConnections
public N removeOutEdge(E e) {
return (N) Objects.requireNonNull(this.outEdgeMap.remove(e));
}
@Override // com.google.common.graph.NetworkConnections
public void addInEdge(E e, N n, boolean z) {
Preconditions.checkNotNull(e);
Preconditions.checkNotNull(n);
if (z) {
int i = this.selfLoopCount + 1;
this.selfLoopCount = i;
Graphs.checkPositive(i);
}
Preconditions.checkState(this.inEdgeMap.put(e, n) == null);
}
@Override // com.google.common.graph.NetworkConnections
public void addOutEdge(E e, N n) {
Preconditions.checkNotNull(e);
Preconditions.checkNotNull(n);
Preconditions.checkState(this.outEdgeMap.put(e, n) == null);
}
}