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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/09 18:28:14 UTC
[28/51] [partial] hbase-site git commit: Published site at
7bb68b9031591cf378954a0eb8f71a8b9be01f9c.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/358717f6/devapidocs/org/apache/hadoop/hbase/wal/WALKey.html
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diff --git a/devapidocs/org/apache/hadoop/hbase/wal/WALKey.html b/devapidocs/org/apache/hadoop/hbase/wal/WALKey.html
index 496e81e..e12a37c 100644
--- a/devapidocs/org/apache/hadoop/hbase/wal/WALKey.html
+++ b/devapidocs/org/apache/hadoop/hbase/wal/WALKey.html
@@ -104,22 +104,19 @@
<hr>
<br>
<pre><a href="../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.LimitedPrivate.html" title="annotation in org.apache.hadoop.hbase.classification">@InterfaceAudience.LimitedPrivate</a>(<a href="../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.LimitedPrivate.html#value()">value</a>="Replication")
-public class <a href="../../../../../src-html/org/apache/hadoop/hbase/wal/WALKey.html#line.77">WALKey</a>
+public class <a href="../../../../../src-html/org/apache/hadoop/hbase/wal/WALKey.html#line.70">WALKey</a>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/SequenceId.html" title="interface in org.apache.hadoop.hbase.regionserver">SequenceId</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a><<a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="class in org.apache.hadoop.hbase.wal">WALKey</a>></pre>
-<div class="block">A Key for an entry in the change log.
+<div class="block">A Key for an entry in the WAL.
The log intermingles edits to many tables and rows, so each log entry
identifies the appropriate table and row. Within a table and row, they're
also sorted.
- <p>Some Transactional edits (START, COMMIT, ABORT) will not have an
- associated row.
+ <p>Some Transactional edits (START, COMMIT, ABORT) will not have an associated row.
Note that protected members marked @InterfaceAudience.Private are only protected
- to support the legacy HLogKey class, which is in a different package.
-
- <p></div>
+ to support the legacy HLogKey class, which is in a different package.</div>
</li>
</ul>
</div>
@@ -178,42 +175,46 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#LOG">LOG</a></strong></code> </td>
</tr>
<tr class="rowColor">
-<td class="colFirst"><code>protected long</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#logSeqNum">logSeqNum</a></strong></code> </td>
-</tr>
-<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.html" title="class in org.apache.hadoop.hbase.regionserver">MultiVersionConcurrencyControl</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#mvcc">mvcc</a></strong></code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#NO_SEQUENCE_ID">NO_SEQUENCE_ID</a></strong></code>
<div class="block">Used to represent when a particular wal key doesn't know/care about the sequence ordering.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#nonce">nonce</a></strong></code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>private long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#nonceGroup">nonceGroup</a></strong></code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private long</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#origLogSeqNum">origLogSeqNum</a></strong></code> </td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#origLogSeqNum">origLogSeqNum</a></strong></code>
+<div class="block">Used during WAL replay; the sequenceId of the edit when it came into the system.</div>
+</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#PREFIX_CLUSTER_KEY">PREFIX_CLUSTER_KEY</a></strong></code> </td>
</tr>
-<tr class="altColor">
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<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/7/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><byte[],<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#scopes">scopes</a></strong></code> </td>
</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private long</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#sequenceId">sequenceId</a></strong></code>
+<div class="block">SequenceId for this edit.</div>
+</td>
+</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/CountDownLatch.html?is-external=true" title="class or interface in java.util.concurrent">CountDownLatch</a></code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#seqNumAssignedLatch">seqNumAssignedLatch</a></strong></code> </td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#sequenceIdAssignedLatch">sequenceIdAssignedLatch</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a></code></td>
@@ -225,7 +226,9 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.WriteEntry.html" title="class in org.apache.hadoop.hbase.regionserver">MultiVersionConcurrencyControl.WriteEntry</a></code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#writeEntry">writeEntry</a></strong></code> </td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#writeEntry">writeEntry</a></strong></code>
+<div class="block">Set in a way visible to multiple threads; e.g.</div>
+</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected long</code></td>
@@ -250,7 +253,11 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#WALKey(byte[],%20org.apache.hadoop.hbase.TableName)">WALKey</a></strong>(byte[] encodedRegionName,
- <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tablename)</code> </td>
+ <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tablename)</code>
+<div class="block"><strong>Deprecated.</strong>
+<div class="block"><i>Remove. Useless.</i></div>
+</div>
+</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#WALKey(byte[],%20org.apache.hadoop.hbase.TableName,%20long)">WALKey</a></strong>(byte[] encodedRegionName,
@@ -346,7 +353,11 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getLogSeqNum()">getLogSeqNum</a></strong>()</code> </td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getLogSeqNum()">getLogSeqNum</a></strong>()</code>
+<div class="block"><strong>Deprecated.</strong>
+<div class="block"><i>Use <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getSequenceId()"><code>getSequenceId()</code></a></i></div>
+</div>
+</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.html" title="class in org.apache.hadoop.hbase.regionserver">MultiVersionConcurrencyControl</a></code></td>
@@ -367,7 +378,8 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getOrigLogSeqNum()">getOrigLogSeqNum</a></strong>()</code>
-<div class="block">Return a positive long if current WALKey is created from a replay edit</div>
+<div class="block">Return a positive long if current WALKey is created from a replay edit; a replay edit is an
+ edit that came in when replaying WALs of a crashed server.</div>
</td>
</tr>
<tr class="altColor">
@@ -377,34 +389,28 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getSequenceId()">getSequenceId</a></strong>()</code>
-<div class="block">Wait for sequence number to be assigned & return the assigned value</div>
+<div class="block">SequenceId is only available post WAL-assign.</div>
</td>
</tr>
<tr class="altColor">
-<td class="colFirst"><code>long</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getSequenceId(long)">getSequenceId</a></strong>(long maxWaitForSeqId)</code>
-<div class="block">Wait for sequence number to be assigned & return the assigned value.</div>
-</td>
-</tr>
-<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getTablename()">getTablename</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.WriteEntry.html" title="class in org.apache.hadoop.hbase.regionserver">MultiVersionConcurrencyControl.WriteEntry</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getWriteEntry()">getWriteEntry</a></strong>()</code>
-<div class="block">Will block until a write entry has been assigned by they WAL subsystem.</div>
+<div class="block">Use it to complete mvcc transaction.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#getWriteTime()">getWriteTime</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#hashCode()">hashCode</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#init(byte[],%20org.apache.hadoop.hbase.TableName,%20long,%20long,%20java.util.List,%20long,%20long,%20org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl)">init</a></strong>(byte[] encodedRegionName,
<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tablename,
@@ -415,44 +421,37 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
long nonce,
<a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.html" title="class in org.apache.hadoop.hbase.regionserver">MultiVersionConcurrencyControl</a> mvcc)</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#internEncodedRegionName(byte[])">internEncodedRegionName</a></strong>(byte[] encodedRegionName)</code>
<div class="block">Drop this instance's region name byte array and instead
hold a reference to the provided region name.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#internTableName(org.apache.hadoop.hbase.TableName)">internTableName</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tablename)</code>
<div class="block">Drop this instance's tablename byte array and instead
hold a reference to the provided tablename.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
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</tr>
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-<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#readOlderScopes(java.util.NavigableMap)">readOlderScopes</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><byte[],<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> scopes)</code> </td>
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<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setCompressionContext(org.apache.hadoop.hbase.regionserver.wal.CompressionContext)">setCompressionContext</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/CompressionContext.html" title="class in org.apache.hadoop.hbase.regionserver.wal">CompressionContext</a> compressionContext)</code> </td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#readOlderScopes(java.util.NavigableMap)">readOlderScopes</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><byte[],<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> scopes)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setLogSeqNum(long)">setLogSeqNum</a></strong>(long sequence)</code>
-<div class="block">Allow that the log sequence id to be set post-construction
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-</td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setCompressionContext(org.apache.hadoop.hbase.regionserver.wal.CompressionContext)">setCompressionContext</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/wal/CompressionContext.html" title="class in org.apache.hadoop.hbase.regionserver.wal">CompressionContext</a> compressionContext)</code> </td>
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<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setOrigLogSeqNum(long)">setOrigLogSeqNum</a></strong>(long seqId)</code>
-<div class="block">Used to set original seq Id for WALKey during wal replay</div>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setOrigLogSeqNum(long)">setOrigLogSeqNum</a></strong>(long sequenceId)</code>
+<div class="block">Used to set original sequenceId for WALKey during WAL replay</div>
</td>
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@@ -460,14 +459,18 @@ implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/Sequence
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setScopes(java.util.NavigableMap)">setScopes</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><byte[],<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> scopes)</code> </td>
</tr>
<tr class="altColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setSequenceId(long)">setSequenceId</a></strong>(long sequenceId)</code> </td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#setWriteEntry(org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry)">setWriteEntry</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.WriteEntry.html" title="class in org.apache.hadoop.hbase.regionserver">MultiVersionConcurrencyControl.WriteEntry</a> writeEntry)</code> </td>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html#toString()">toString</a></strong>()</code> </td>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>></code></td>
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<dl><dt><span class="strong">Throws:</span></dt>