/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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 org.apache.giraph.graph;

 import org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable;

 import org.apache.giraph.edge.Edge;

 import org.apache.giraph.edge.MutableEdge;

 import org.apache.hadoop.io.Writable;

 import org.apache.hadoop.io.WritableComparable;

 /**

  * Vertex which only contains ID.

  *

  * @param <I> Vertex id type

  */

 public class OnlyIdVertex<I extends WritableComparable>

     extends DefaultImmutableClassesGiraphConfigurable<I, Writable, Writable>

     implements Vertex<I, Writable, Writable> {

   /** Vertex id. */

   private I id;

   @Override

   public void initialize(

       I id, Writable value, Iterable<Edge<I, Writable>> edges) {

     throw new UnsupportedOperationException();

   }

   @Override

   public void initialize(I id, Writable value) {

     throw new UnsupportedOperationException();

   }

   @Override

   public I getId() {

     return id;

   }

   public void setId(I id) {

     this.id = id;

   }

   @Override

   public Writable getValue() {

     throw new UnsupportedOperationException();

   }

   @Override

   public void setValue(Writable value) {

     throw new UnsupportedOperationException();

   }

   @Override

   public void voteToHalt() {

     throw new UnsupportedOperationException();

   }

   @Override

   public int getNumEdges() {

     throw new UnsupportedOperationException();

   }

   @Override

   public Iterable<Edge<I, Writable>> getEdges() {

     throw new UnsupportedOperationException();

   }

   @Override

   public void setEdges(Iterable<Edge<I, Writable>> edges) {

     throw new UnsupportedOperationException();

   }

   @Override

   public Iterable<MutableEdge<I, Writable>> getMutableEdges() {

     throw new UnsupportedOperationException();

   }

   @Override

   public Writable getEdgeValue(I targetVertexId) {

     throw new UnsupportedOperationException();

   }

   @Override

   public void setEdgeValue(I targetVertexId, Writable edgeValue) {

     throw new UnsupportedOperationException();

   }

   @Override

   public Iterable<Writable> getAllEdgeValues(I targetVertexId) {

     throw new UnsupportedOperationException();

   }

   @Override

   public void addEdge(Edge<I, Writable> edge) {

     throw new UnsupportedOperationException();

   }

   @Override

   public void removeEdges(I targetVertexId) {

     throw new UnsupportedOperationException();

   }

   @Override

   public void unwrapMutableEdges() {

     throw new UnsupportedOperationException();

   }

   @Override

   public void wakeUp() {

     throw new UnsupportedOperationException();

   }

   @Override

   public boolean isHalted() {

     throw new UnsupportedOperationException();

   }

 }