| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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 com.baidu.hugegraph.computer.core.sort.merge; |
| |
| import java.util.List; |
| |
| import com.baidu.hugegraph.computer.core.sort.flusher.OuterSortFlusher; |
| import com.baidu.hugegraph.computer.core.store.hgkvfile.entry.InputToEntries; |
| |
| public interface HgkvDirMerger { |
| |
| /** |
| * Merge inputs hgkvDirs to output hgkvDir |
| * @param inputs hgkv file that need to be merged |
| * @param inputToEntries key value pair read mode |
| * @param output write merge result to this file |
| * @param flusher combiner entries of same key |
| */ |
| void merge(List<String> inputs, InputToEntries inputToEntries, |
| String output, OuterSortFlusher flusher) throws Exception; |
| } |