/*
    * 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.block_app.framework;
  
  import org.apache.giraph.conf.GiraphConfiguration;
  import org.apache.hadoop.io.LongWritable;
  import org.apache.hadoop.io.NullWritable;
  import org.apache.hadoop.io.Writable;
  import org.apache.hadoop.io.WritableComparable;
  
  public abstract class TestLongNullNullBlockFactory extends AbstractBlockFactory<Object> {
    @Override
    protected Class<? extends WritableComparable> getVertexIDClass(GiraphConfiguration conf) {
      return LongWritable.class;
    }
  
    @Override
    protected Class<? extends Writable> getVertexValueClass(GiraphConfiguration conf) {
      return NullWritable.class;
    }
  
    @Override
    protected Class<? extends Writable> getEdgeValueClass(GiraphConfiguration conf) {
      return NullWritable.class;
    }
  
    @Override
    public Object createExecutionStage(GiraphConfiguration conf) {
      return new Object();
    }
  }