Author: frm
Date: Mon Feb 26 12:10:43 2018
New Revision: 1825362
URL: http://svn.apache.org/viewvc?rev=1825362&view=rev
Log:
OAK-6031 - Add TarFiles to the architecture diagram
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.md
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.png
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.svg
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.uml
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.md
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.md?rev=1825362&r1=1825361&r2=1825362&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.md
(original)
+++ jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.md
Mon Feb 26 12:10:43 2018
@@ -26,4 +26,8 @@ The `SegmentNodeStore` is Oak Segment Ta
The `SegmentStore` serves as a persistence backend for the `SegmentNodeStore`.
It is responsible for providing concrete implementations of `Revisions`,
`SegmentReader` and `BlobStore` to the former.
-The `FileStore` is the implementation the `SegmentStore` that persists
segments in tar files. The `MemoryStore` (not shown above) is an alternative
implementation, which stores the segments in memory only. It is used for
testing.
\ No newline at end of file
+The `FileStore` is the implementation the `SegmentStore` that persists
segments in tar files. The `MemoryStore` (not shown above) is an alternative
implementation, which stores the segments in memory only. It is used for
testing.
+
+The `FileStore` depends on `TarFiles` for the management of the TAR files on
the file system.
+`TarFiles` is an aggregation of one `TarWriter` and zero or more `TarReader`.
+This design represents the foundation of the append-only store implemented by
the `FileStore`, where data is appended to one `TarWriter` and archived in many
`TarReader` over time.
\ No newline at end of file
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.png
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.png?rev=1825362&r1=1825361&r2=1825362&view=diff
==============================================================================
Binary files
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.png
(original) and
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.png
Mon Feb 26 12:10:43 2018 differ
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.svg
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.svg?rev=1825362&r1=1825361&r2=1825362&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.svg
(original)
+++
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.svg
Mon Feb 26 12:10:43 2018
@@ -1,19 +1,63 @@
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-<!--
- ~ 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.
- ~
- -->
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style="stroke: #A80036; stroke-width: 1.5;" x1="267.7487" x2="433.7487"
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filter="url(#f1otzl8ai2ny4w)" height="48" id="SegmentWriter" style="stroke:
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cx="93.7487" cy="206" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036;
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filter="url(#f1otzl8ai2ny4w)" height="48" id="BlobStore" style="stroke:
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cx="108.2487" cy="289" fill="#B4A7E5" rx="11" ry="11" style="stroke: #A80036;
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fill="#000000" font-family="sans-serif" font-size="12" font-style="italic"
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filter="url(#f1otzl8ai2ny4w)" height="48" id="TarWriter" style="stroke:
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cx="820.7487" cy="289" fill="#ADD1B2" rx="11" ry="11" style="stroke: #A80036;
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y="293.5352">TarWriter</text><line style="stroke: #A80036; stroke-width: 1.5;"
x1="806.7487" x2="890.7487" y1="305" y2="305"/><line style="stroke: #A80036;
stroke-width: 1.5;" x1="806.7487" x2="890.7487" y1="313" y2="313"/><!--link
FileStore to TarFiles--><path d="M590.079,256 C611.3777,256 637.5476,256
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stroke-width: 1.0;"/><polygon fill="#A80036"
points="664.511,256,655.511,252,659.511,256,655.511,260,664.511,256"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link TarFiles to
TarReader--><path d="M754.3723,241.2427 C769.7486,236.8041 786.5426,231.9564
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stroke-width: 1.0;"/><polygon fill="#A80036"
points="741.858,244.855,748.732,247.034,753.3873,241.5269,746.5133,239.3479,741.858,244.855"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link TarFiles to TarW
riter--><path d="M754.7683,270.5176 C771.3929,275.2022 789.6386,280.3436
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stroke-width: 1.0;"/><polygon fill="#A80036"
points="741.858,266.8796,746.5482,272.357,753.4082,270.1344,748.718,264.6569,741.858,266.8796"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link SegmentNodeStore to
NodeStore--><path d="M136.2487,106.6836 C136.2487,101.9378 136.2487,97.1919
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points="129.2488,92.2987,136.2487,72.2987,143.2488,92.2986,129.2488,92.2987"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link FileStore to
SegmentStore--><path d="M549.7487,231.6836 C549.7487,226.9378 549.7487,222.1919
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points="542.7488,217.2987,549.7487,197.2987,556.7488,217.2986,542.7488,217.
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SegmentStore--><!--link SegmentNodeStore to FileStore--><!--link
SegmentNodeStore to Revisions--><path d="M65.565,154.5639 C50.4145,163.0928
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style="stroke: #A80036; stroke-width: 1.0;"/><!--link SegmentNodeStore to
SegmentReader--><path d="M65.565,154.5639 C50.4145,163.0928 36.3822,174.4687
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id="SegmentNodeStore-SegmentWriter" style="stroke: #A80036; stroke-width:
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style="stroke: #A80036; stroke-width: 1.0;"/><!--link SegmentNodeStore to
BlobStore--><path d="M65.565,154.5639 C50.4145,163.0928 36.3822,174.4687
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points="93.1024,285.4448,86.1407,278.4781,88.4363,283.6482,83.2662,285.9439,93.1024,285.4448"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link Revisions to
TarRevisions--><path d="M198.9814,377
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id="Revisions-TarRevisions" style="stroke: #A80036; stroke-width:
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points="199.1304,384.6595,178.8834,378.4099,198.6086,370.6693,199.1304,384.6595"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link SegmentReader to
CachingSegmentReader--><path d="M218.0084,461.0942 C233.9471,460.7226
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id="SegmentReader-CachingSegmentReader" style="stroke: #A80036; stroke-width:
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points="218.1609,468.0924,198.0032,461.5605,217.8346,454.0962,218.1609,468.0924"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link TarRevisions to
FileStore--><path d="M396.5058,345.3275 C429.0527,326.3554 472.5603,300.9942
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#A80036; stroke-width: 1.0;"/><polygon fill="#A80036"
points="509.5884,279.41,499.7986,280.4869,505.2688,281.9281,503.8275,287.3983,509.5884,279.41"
style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036"
points="391.9816,347.9647,401.7714,346.8881,396.3013,345.4467,397.7427,339.9766,391.9816,347.9647"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link CachingSegmentReader to
FileStore--><path d="M409.0675,431.1959 C418.1208,425.8097 427.0204,419.7129
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fill="none" id="CachingSegmentReader-FileStore" style="stroke: #A80036;
stroke-width: 1.0;"/><polygon fill="#A80036"
points="536.7122,280.1401,528.7663,285.9593,534.2258,284.4781,535.707,289.9375,536.7122,280.1401"
style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036"
points="404.6154,433.7826,414.4068,432.7199,408.9387,431.2708,410.3878,425.8027,404.6154,433.7826"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link SegmentWriter to
FileStore--><path d="M199.2482,220.399 C285.3987,229.1495 437.4806,244.5967
509.6196,251.924 " fill="none" id="SegmentWriter-FileStore" style="stroke
: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036"
points="194.1794,219.8841,202.7291,224.7731,199.1538,220.3894,203.5376,216.8141,194.1794,219.8841"
style="stroke: #A80036; stroke-width: 1.0;"/><!--link BlobStore to
FileStore--><path d="M184.6344,292.2024 C267.0254,284.033 433.0497,267.5711
509.5169,259.9891 " fill="none" id="BlobStore-FileStore" style="stroke:
#A80036; stroke-width: 1.0;"/><polygon fill="#A80036"
points="179.3302,292.7283,188.681,295.8206,184.3058,292.2349,187.8915,287.8597,179.3302,292.7283"
style="stroke: #A80036; stroke-width: 1.0;"/><!--
+@startuml
+left to right direction
+
+together {
+ interface NodeStore
+ class SegmentNodeStore
+}
+
+interface Revisions
+class TarRevisions
+
+interface SegmentReader
+class CachingSegmentReader
+
+class SegmentWriter
+interface BlobStore
+
+together {
+ interface SegmentStore
+ class FileStore
+}
+
+class TarFiles
+FileStore - -> TarFiles
+
+class TarReader
+TarFiles *- - TarReader
+
+class TarWriter
+TarFiles *- - TarWriter
+
+SegmentNodeStore -|> NodeStore
+FileStore -|> SegmentStore
+
+NodeStore -[hidden]-> SegmentStore
+SegmentNodeStore -[hidden]- -> FileStore
+
+
+SegmentNodeStore -> Revisions
+SegmentNodeStore -> SegmentReader
+SegmentNodeStore -> SegmentWriter
+SegmentNodeStore -> BlobStore
+
+Revisions <|- - TarRevisions
+SegmentReader <|- - CachingSegmentReader
+TarRevisions <-> FileStore
+CachingSegmentReader <-> FileStore
+SegmentWriter <- FileStore
+BlobStore <- FileStore
+@enduml
+
+PlantUML version 1.2018.01(Sun Jan 28 19:08:22 CET 2018)
+(GPL source distribution)
+Java Runtime: Java(TM) SE Runtime Environment
+JVM: Java HotSpot(TM) 64-Bit Server VM
+Java Version: 9.0.1+11
+Operating System: Mac OS X
+OS Version: 10.12.6
+Default Encoding: UTF-8
+Language: en
+Country: CH
+--></g></svg>
\ No newline at end of file
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.uml
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.uml?rev=1825362&r1=1825361&r2=1825362&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.uml
(original)
+++
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/segment/classes.uml
Mon Feb 26 12:10:43 2018
@@ -43,10 +43,19 @@ together {
SegmentNodeStore -|> NodeStore
FileStore -|> SegmentStore
+together {
+ class TarFiles
+ class TarReader
+ class TarWriter
+}
+
+FileStore --> TarFiles
+TarFiles *-- TarReader
+TarFiles *-- TarWriter
+
NodeStore -[hidden]-> SegmentStore
SegmentNodeStore -[hidden]--> FileStore
-
SegmentNodeStore -> Revisions
SegmentNodeStore -> SegmentReader
SegmentNodeStore -> SegmentWriter
