com.google.common.graph.ForwardingValueGraph Maven / Gradle / Ivy
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Builds the guava lib. Requires the jsr305 be built first.
/*
* Copyright (C) 2016 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.graph;
import java.util.Optional;
import java.util.Set;
import javax.annotation.CheckForNull;
/**
* A class to allow {@link ValueGraph} implementations to be backed by a provided delegate. This is
* not currently planned to be released as a general-purpose forwarding class.
*
* @author James Sexton
* @author Joshua O'Madadhain
*/
@ElementTypesAreNonnullByDefault
abstract class ForwardingValueGraph extends AbstractValueGraph {
abstract ValueGraph delegate();
@Override
public Set nodes() {
return delegate().nodes();
}
/**
* Defer to {@link AbstractValueGraph#edges()} (based on {@link #successors(Object)}) for full
* edges() implementation.
*/
@Override
protected long edgeCount() {
return delegate().edges().size();
}
@Override
public boolean isDirected() {
return delegate().isDirected();
}
@Override
public boolean allowsSelfLoops() {
return delegate().allowsSelfLoops();
}
@Override
public ElementOrder nodeOrder() {
return delegate().nodeOrder();
}
@Override
public ElementOrder incidentEdgeOrder() {
return delegate().incidentEdgeOrder();
}
@Override
public Set adjacentNodes(N node) {
return delegate().adjacentNodes(node);
}
@Override
public Set predecessors(N node) {
return delegate().predecessors(node);
}
@Override
public Set successors(N node) {
return delegate().successors(node);
}
@Override
public int degree(N node) {
return delegate().degree(node);
}
@Override
public int inDegree(N node) {
return delegate().inDegree(node);
}
@Override
public int outDegree(N node) {
return delegate().outDegree(node);
}
@Override
public boolean hasEdgeConnecting(N nodeU, N nodeV) {
return delegate().hasEdgeConnecting(nodeU, nodeV);
}
@Override
public boolean hasEdgeConnecting(EndpointPair endpoints) {
return delegate().hasEdgeConnecting(endpoints);
}
@Override
public Optional edgeValue(N nodeU, N nodeV) {
return delegate().edgeValue(nodeU, nodeV);
}
@Override
public Optional edgeValue(EndpointPair endpoints) {
return delegate().edgeValue(endpoints);
}
@Override
@CheckForNull
public V edgeValueOrDefault(N nodeU, N nodeV, @CheckForNull V defaultValue) {
return delegate().edgeValueOrDefault(nodeU, nodeV, defaultValue);
}
@Override
@CheckForNull
public V edgeValueOrDefault(EndpointPair endpoints, @CheckForNull V defaultValue) {
return delegate().edgeValueOrDefault(endpoints, defaultValue);
}
}