001/* 002 * Copyright 2013 Alex Kasko (alexkasko.com) 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.alexkasko.unsafe.offheap; 018 019/** 020 * Basic interface for off-heap long-indexed collections. Required for {@link com.alexkasko.unsafe.offheaplong.OffHeapLongBinarySearch}. 021 * 022 * @author alexkasko 023 * Date: 3/5/13 024 */ 025public interface OffHeapAddressable { 026 /** 027 * Gets the element at position {@code index} 028 * 029 * @param index collection index 030 * @return long value 031 */ 032 long get(long index); 033 034 /** 035 * Returns number of elements in collection 036 * 037 * @return number of elements in collection 038 */ 039 long size(); 040}