/*

  * 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.types.ops;

 import org.apache.giraph.types.ops.collections.array.WDoubleArrayList;

 import org.apache.hadoop.io.DoubleWritable;

 import java.io.DataInput;

 import java.io.IOException;

 // AUTO-GENERATED class via class:

 // org.apache.giraph.generate.GeneratePrimitiveClasses

 /** TypeOps implementation for working with DoubleWritable type */

 public enum DoubleTypeOps implements

     PrimitiveTypeOps<DoubleWritable>, NumericTypeOps<DoubleWritable> {

   /** Singleton instance */

   INSTANCE;

   @Override

   public Class<DoubleWritable> getTypeClass() {

     return DoubleWritable.class;

   }

   @Override

   public DoubleWritable create() {

     return new DoubleWritable();

   }

   @Override

   public DoubleWritable createCopy(DoubleWritable from) {

     return new DoubleWritable(from.get());

   }

   @Override

   public void set(DoubleWritable to, DoubleWritable from) {

     to.set(from.get());

   }

   @Override

   public WDoubleArrayList createArrayList() {

     return new WDoubleArrayList();

   }

   @Override

   public WDoubleArrayList createArrayList(int capacity) {

     return new WDoubleArrayList(capacity);

   }

   @Override

   public WDoubleArrayList readNewArrayList(DataInput in) throws IOException {

     return WDoubleArrayList.readNew(in);

   }

   @Override

   public DoubleWritable createZero() {

     return new DoubleWritable(0);

   }

   @Override

   public DoubleWritable createOne() {

     return new DoubleWritable(1);

   }

   @Override

   public DoubleWritable createMinNegativeValue() {

     return new DoubleWritable(Double.NEGATIVE_INFINITY);

   }

   @Override

   public DoubleWritable createMaxPositiveValue() {

     return new DoubleWritable(Double.POSITIVE_INFINITY);

   }

   @Override

   public void plusInto(DoubleWritable value, DoubleWritable increment) {

     value.set(value.get() + increment.get());

   }

   @Override

   public void multiplyInto(DoubleWritable value, DoubleWritable multiplier) {

     value.set(value.get() * multiplier.get());

   }

   @Override

   public void negate(DoubleWritable value) {

     value.set(-value.get());

   }

   @Override

   public int compare(DoubleWritable value1, DoubleWritable value2) {

     return Double.compare(value1.get(), value2.get());

   }

 }