content: /*
   * Copyright 2014 Alex Kasko (alexkasko.com)
   *
   * 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.alexkasko.unsafe.offheap;
  
  import java.util.Iterator;
  
  /**
   * Interface for iterators over off-heap collections those can be disposed manually
   *
   * @author alexkasko
   * Date: 11/29/13
   */
  public interface OffHeapDisposableIterator<T> extends Iterator<T>, OffHeapDisposable {
      /**
       * Optional method, should return size of the underlying collections,
       * if such size is known on iterator creation or {@code -1} otherwise
       *
       * @return number of elements in iterator
       */
      long size();
  }
  