9703

Build # 9703

Build Type

push

jenkins

Committed by GitHub

Commit Message

<a href="https://github.com/apache/carbondata/commit/<a class=hub.com/apache/carbondata/commit/d157e25a6e70a4e85b6714b255bae4d0e048bcb8">d157e25a6<a href="https://github.com/apache/carbondata/commit/d157e25a6e70a4e85b6714b255bae4d0e048bcb8">">Merge </a><a class="double-link" href="https://github.com/apache/carbondata/commit/<a class="double-link" href="https://github.com/apache/carbondata/commit/27914c271e5c2ef44a735b097a129752cc46a172">27914c271</a>">27914c271</a><a href="https://github.com/apache/carbondata/commit/d157e25a6e70a4e85b6714b255bae4d0e048bcb8"> into 851dd2c88">851dd2c88</a>

Run Details

530 of 530 new or added lines in 24 files covered. (100.0%)

61379 of 77101 relevant lines covered (79.61%)

1.06 hits per line

Source File
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76.92

/core/src/main/java/org/apache/carbondata/core/datastore/compression/ZstdCompressor.java

/*
 * 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.carbondata.core.datastore.compression;

import java.io.IOException;

import com.github.luben.zstd.Zstd;

public class ZstdCompressor extends AbstractCompressor {
  private static final int COMPRESS_LEVEL = 3;

  public ZstdCompressor() {
  }

  @Override
  public String getName() {
    return "zstd";
  }

  @Override
  public byte[] compressByte(byte[] unCompInput) {
    return Zstd.compress(unCompInput, COMPRESS_LEVEL);
  }

  @Override
  public byte[] compressByte(byte[] unCompInput, int byteSize) {
    return Zstd.compress(unCompInput, COMPRESS_LEVEL);
  }

  @Override
  public byte[] unCompressByte(byte[] compInput) {
    long decompressedSize = Zstd.decompressedSize(compInput);
    return Zstd.decompress(compInput, (int) decompressedSize);
  }

  @Override
  public byte[] unCompressByte(byte[] compInput, int offset, int length) {
    // todo: how to avoid memory copy
    byte[] dstBytes = new byte[length];
    System.arraycopy(compInput, offset, dstBytes, 0, length);
    return unCompressByte(dstBytes);
  }

  @Override
  public long rawUncompress(byte[] input, byte[] output) throws IOException {
    return Zstd.decompress(output, input);
  }

  @Override
  public long maxCompressedLength(long inputSize) {
    return Zstd.compressBound(inputSize);
  }

  /**
   * currently java version of zstd does not support this feature.
   * It may support it in upcoming release 1.3.5-3, then we can optimize this accordingly.
   */
  @Override
  public boolean supportUnsafe() {
    return false;
  }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one or more
3	* contributor license agreements. See the NOTICE file distributed with
4	* this work for additional information regarding copyright ownership.
5	* The ASF licenses this file to You under the Apache License, Version 2.0
6	* (the "License"); you may not use this file except in compliance with
7	* the License. You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*/
17
18	package org.apache.carbondata.core.datastore.compression;
19
20	import java.io.IOException;
21
22	import com.github.luben.zstd.Zstd;
23
24	public class ZstdCompressor extends AbstractCompressor {
25	private static final int COMPRESS_LEVEL = 3;
26
27	public ZstdCompressor() {	2✔
28	}	2✔
29
30	@Override
31	public String getName() {
32	return "zstd";	1✔
33	}
34
35	@Override
36	public byte[] compressByte(byte[] unCompInput) {
37	return Zstd.compress(unCompInput, COMPRESS_LEVEL);	1✔
38	}
39
40	@Override
41	public byte[] compressByte(byte[] unCompInput, int byteSize) {
42	return Zstd.compress(unCompInput, COMPRESS_LEVEL);	×
43	}
44
45	@Override
46	public byte[] unCompressByte(byte[] compInput) {
47	long decompressedSize = Zstd.decompressedSize(compInput);	1✔
48	return Zstd.decompress(compInput, (int) decompressedSize);	1✔
49	}
50
51	@Override
52	public byte[] unCompressByte(byte[] compInput, int offset, int length) {
53	// todo: how to avoid memory copy
54	byte[] dstBytes = new byte[length];	1✔
55	System.arraycopy(compInput, offset, dstBytes, 0, length);	1✔
56	return unCompressByte(dstBytes);	1✔
57	}
58
59	@Override
60	public long rawUncompress(byte[] input, byte[] output) throws IOException {
61	return Zstd.decompress(output, input);	×
62	}
63
64	@Override
65	public long maxCompressedLength(long inputSize) {
66	return Zstd.compressBound(inputSize);	×
67	}
68
69	/**
70	* currently java version of zstd does not support this feature.
71	* It may support it in upcoming release 1.3.5-3, then we can optimize this accordingly.
72	*/
73	@Override
74	public boolean supportUnsafe() {
75	return false;	1✔
76	}
77	}

apache / carbondata / 9703

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