1/********************************************************************
2 * Copyright (c) 2013 - 2014, Pivotal Inc.
3 * All rights reserved.
4 *
5 * Author: Zhanwei Wang
6 ********************************************************************/
7/********************************************************************
8 * 2014 -
9 * open source under Apache License Version 2.0
10 ********************************************************************/
11/**
12 * Licensed to the Apache Software Foundation (ASF) under one
13 * or more contributor license agreements. See the NOTICE file
14 * distributed with this work for additional information
15 * regarding copyright ownership. The ASF licenses this file
16 * to you under the Apache License, Version 2.0 (the
17 * "License"); you may not use this file except in compliance
18 * with the License. You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS,
24 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 */
28#include "Atomic.h"
29#include "FileSystemImpl.h"
30#include "Memory.h"
31#include "OutputStream.h"
32#include "OutputStreamImpl.h"
33
34using namespace Hdfs::Internal;
35
36namespace Hdfs {
37
38OutputStream::OutputStream() {
39 impl = new Internal::OutputStreamImpl;
40}
41
42OutputStream::~OutputStream() {
43 delete impl;
44}
45
46void OutputStream::open(FileSystem & fs, const char * path, int flag,
47 const Permission permission, bool createParent, int replication,
48 int64_t blockSize) {
49 if (!fs.impl) {
50 THROW(HdfsIOException, "FileSystem: not connected.");
51 }
52
53 impl->open(fs.impl->filesystem, path, flag, permission, createParent, replication,
54 blockSize);
55}
56
57/**
58 * To append data to file.
59 * @param buf the data used to append.
60 * @param size the data size.
61 */
62void OutputStream::append(const char * buf, int64_t size) {
63 impl->append(buf, size);
64}
65
66/**
67 * Flush all data in buffer and waiting for ack.
68 * Will block until get all acks.
69 */
70void OutputStream::flush() {
71 impl->flush();
72}
73
74/**
75 * return the current file length.
76 * @return current file length.
77 */
78int64_t OutputStream::tell() {
79 return impl->tell();
80}
81
82/**
83 * the same as flush right now.
84 */
85void OutputStream::sync() {
86 impl->sync();
87}
88
89/**
90 * close the stream.
91 */
92void OutputStream::close() {
93 impl->close();
94}
95
96}
97