[03/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/3e96180e
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/3e96180e
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/3e96180e
Branch: refs/heads/HDFS-7285
Commit: 3e96180e656cba6bb4e105c9a58d0659ff0d
Parents: d3f9556
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Mon Apr 13 13:08:33 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/3e96180e/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/3e96180e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[07/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/d542a3d1
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/d542a3d1
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/d542a3d1
Branch: refs/heads/HDFS-7285
Commit: d542a3d1299e20268b2529c10dff7e3e9b377158
Parents: 53b9a1b
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Mon Apr 13 09:36:08 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d542a3d1/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d542a3d1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[26/51] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/c8d4c251
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/c8d4c251
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/c8d4c251
Branch: refs/heads/HDFS-7285
Commit: c8d4c25153b26b57e916261d63936a0de2aa8b14
Parents: ffe990b
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Mon Apr 6 10:20:58 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c8d4c251/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c8d4c251/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[26/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/23572e5e
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/23572e5e
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/23572e5e
Branch: refs/heads/HDFS-7285
Commit: 23572e5e10ce99dbb1f7723a2fc76b99e7278cd5
Parents: fe0e3b6
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Thu Apr 2 11:06:06 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/23572e5e/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/23572e5e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[31/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/0c6ed987
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/0c6ed987
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/0c6ed987
Branch: refs/heads/HDFS-7285
Commit: 0c6ed987fbb59fe210fae7dd2144ba0c16ace517
Parents: daa78e3
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Mon Mar 30 10:11:26 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/0c6ed987/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/0c6ed987/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[35/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/11b648bd
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/11b648bd
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/11b648bd
Branch: refs/heads/HDFS-7285
Commit: 11b648bdd2c8f28b91e7a39b7d779c1af4fd320c
Parents: eee65b3
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Tue Mar 24 11:16:33 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/11b648bd/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/11b648bd/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[38/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/a5804bf3
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/a5804bf3
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/a5804bf3
Branch: refs/heads/HDFS-7285
Commit: a5804bf3fb6684a940339ef11f1a705fa4ae87d0
Parents: 803d4da
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Mon Mar 23 11:12:35 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/a5804bf3/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/a5804bf3/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
[46/50] [abbrv] hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ca332bf9
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ca332bf9
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ca332bf9
Branch: refs/heads/HDFS-7285
Commit: ca332bf9e3405b5c0c72fb569ad8a443e63ae731
Parents: a91afb2
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Zhe Zhang z...@apache.org
Committed: Mon Mar 16 13:13:16 2015 -0700
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ca332bf9/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ca332bf9/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased = isErased;
+ }
+
+ /**
+ * Set true if it's for a parity block.
+ * @param isParity
+ */
hadoop git commit: HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng )
Repository: hadoop
Updated Branches:
refs/heads/HDFS-7285 80401779f - 720901acf
HADOOP-11646. Erasure Coder API for encoding and decoding of block group (
Contributed by Kai Zheng )
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/720901ac
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/720901ac
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/720901ac
Branch: refs/heads/HDFS-7285
Commit: 720901acfc9085e35dbd2ab0f4eaa8c1cb249e81
Parents: 8040177
Author: Vinayakumar B vinayakum...@apache.org
Authored: Mon Mar 9 12:32:26 2015 +0530
Committer: Vinayakumar B vinayakum...@apache.org
Committed: Mon Mar 9 12:32:26 2015 +0530
--
.../hadoop-common/CHANGES-HDFS-EC-7285.txt | 2 +
.../apache/hadoop/io/erasurecode/ECBlock.java | 80 ++
.../hadoop/io/erasurecode/ECBlockGroup.java | 82 ++
.../erasurecode/coder/AbstractErasureCoder.java | 63 +
.../coder/AbstractErasureCodingStep.java| 59
.../coder/AbstractErasureDecoder.java | 152 +++
.../coder/AbstractErasureEncoder.java | 50
.../io/erasurecode/coder/ErasureCoder.java | 77 ++
.../io/erasurecode/coder/ErasureCodingStep.java | 55
.../io/erasurecode/coder/ErasureDecoder.java| 41 +++
.../erasurecode/coder/ErasureDecodingStep.java | 52
.../io/erasurecode/coder/ErasureEncoder.java| 39 +++
.../erasurecode/coder/ErasureEncodingStep.java | 49
.../io/erasurecode/coder/XorErasureDecoder.java | 78 ++
.../io/erasurecode/coder/XorErasureEncoder.java | 45
.../erasurecode/rawcoder/RawErasureCoder.java | 2 +-
.../erasurecode/coder/TestErasureCoderBase.java | 266 +++
.../io/erasurecode/coder/TestXorCoder.java | 50
18 files changed, 1241 insertions(+), 1 deletion(-)
--
http://git-wip-us.apache.org/repos/asf/hadoop/blob/720901ac/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
--
diff --git a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
index ee42c84..c17a1bd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
@@ -15,4 +15,6 @@
HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai
Zheng
( Kai Zheng )
+HADOOP-11646. Erasure Coder API for encoding and decoding of block group
+( Kai Zheng via vinayakumarb )
http://git-wip-us.apache.org/repos/asf/hadoop/blob/720901ac/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
--
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
new file mode 100644
index 000..956954a
--- /dev/null
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/ECBlock.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hadoop.io.erasurecode;
+
+/**
+ * A wrapper of block level data source/output that {@link ECChunk}s can be
+ * extracted from. For HDFS, it can be an HDFS block (250MB). Note it only
cares
+ * about erasure coding specific logic thus avoids coupling with any HDFS block
+ * details. We can have something like HdfsBlock extend it.
+ */
+public class ECBlock {
+
+ private boolean isParity;
+ private boolean isErased;
+
+ /**
+ * A default constructor. isParity and isErased are false by default.
+ */
+ public ECBlock() {
+this(false, false);
+ }
+
+ /**
+ * A constructor specifying isParity and isErased.
+ * @param isParity
+ * @param isErased
+ */
+ public ECBlock(boolean isParity, boolean isErased) {
+this.isParity = isParity;
+this.isErased =
