/*

  * 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.heaps;

 import it.unimi.dsi.fastutil.longs.Long2DoubleMap;;

 import it.unimi.dsi.fastutil.objects.ObjectIterable;

 import it.unimi.dsi.fastutil.objects.ObjectIterator;

 /**

  * Iterable which has its size and

  * ObjectIterator<Long2DoubleMap.Entry>

  */

 public interface Long2DoubleMapEntryIterable

     extends ObjectIterable<Long2DoubleMap.Entry> {

   /**

    * Get the iterator. Not thread-safe and reuses iterator object,

    * so you can't have several iterators at the same time.

    *

    * @return Iterator

    */

   ObjectIterator<Long2DoubleMap.Entry> iterator();

   /**

    * Get the size of this iterable

    *

    * @return Size

    */

   int size();

 }