You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by di...@apache.org on 2016/09/02 15:02:31 UTC
[08/52] [partial] hbase-site git commit: Published site at
f6ccae350203ec35f3b7acd75431a5abd7e9f5a8.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aba0b536/devapidocs/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html b/devapidocs/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html
index d2e9f57..0e0e98e 100644
--- a/devapidocs/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html
+++ b/devapidocs/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html
@@ -110,7 +110,7 @@
<hr>
<br>
<pre><a href="../../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.Private.html" title="annotation in org.apache.hadoop.hbase.classification">@InterfaceAudience.Private</a>
-public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.48">ModifyColumnFamilyProcedure</a>
+public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.47">ModifyColumnFamilyProcedure</a>
extends <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a><<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState>
implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></pre>
<div class="block">The procedure to modify a column family from an existing table.</div>
@@ -155,34 +155,30 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
-<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a></code></td>
-<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#aborted">aborted</a></strong></code> </td>
-</tr>
-<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/HColumnDescriptor.html" title="class in org.apache.hadoop.hbase">HColumnDescriptor</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#cfDescriptor">cfDescriptor</a></strong></code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private static org.apache.commons.logging.Log</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#LOG">LOG</a></strong></code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedurePrepareLatch.html" title="class in org.apache.hadoop.hbase.master.procedure">ProcedurePrepareLatch</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#syncLatch">syncLatch</a></strong></code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private <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/master/procedure/ModifyColumnFamilyProcedure.html#tableName">tableName</a></strong></code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#traceEnabled">traceEnabled</a></strong></code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/HTableDescriptor.html" title="class in org.apache.hadoop.hbase">HTableDescriptor</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#unmodifiedHTableDescriptor">unmodifiedHTableDescriptor</a></strong></code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#user">user</a></strong></code> </td>
</tr>
@@ -230,70 +226,70 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
-<td class="colFirst"><code>boolean</code></td>
-<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#abort(org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv)">abort</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</code>
-<div class="block">The abort() call is asynchronous and each procedure must decide how to deal
- with that, if they want to be abortable.</div>
-</td>
-</tr>
-<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#acquireLock(org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv)">acquireLock</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</code>
<div class="block">The user should override this method, and try to take a lock if necessary.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#completionCleanup(org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv)">completionCleanup</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</code>
<div class="block">Called when the procedure is marked as completed (success or rollback).</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#deserializeStateData(java.io.InputStream)">deserializeStateData</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> stream)</code>
<div class="block">Called on store load to allow the user to decode the previously serialized
state.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.Flow.html" title="enum in org.apache.hadoop.hbase.procedure2">StateMachineProcedure.Flow</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#executeFromState(org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv,%20org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState)">executeFromState</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env,
org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</code>
<div class="block">called to perform a single step of the specified 'state' of the procedure</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>private <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/master/procedure/ModifyColumnFamilyProcedure.html#getColumnFamilyName()">getColumnFamilyName</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>protected org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#getInitialState()">getInitialState</a></strong>()</code>
<div class="block">Return the initial state object that will be used for the first call to executeFromState().</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>protected org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#getState(int)">getState</a></strong>(int stateId)</code>
<div class="block">Convert an ordinal (or state id) to an Enum (or more descriptive) state object.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#getStateId(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState)">getStateId</a></strong>(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</code>
<div class="block">Convert the Enum (or more descriptive) state object to an ordinal (or state id).</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<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/master/procedure/ModifyColumnFamilyProcedure.html#getTableName()">getTableName</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html" title="enum in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface.TableOperationType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#getTableOperationType()">getTableOperationType</a></strong>()</code>
<div class="block">Given an operation type we can take decisions about what to do with pending operations.</div>
</td>
</tr>
+<tr class="altColor">
+<td class="colFirst"><code>protected boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#isRollbackSupported(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState)">isRollbackSupported</a></strong>(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</code>
+<div class="block">Used by the default implementation of abort() to know if the current state can be aborted
+ and rollback can be triggered.</div>
+</td>
+</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#isTraceEnabled()">isTraceEnabled</a></strong>()</code>
@@ -360,19 +356,13 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T
</td>
</tr>
<tr class="rowColor">
-<td class="colFirst"><code>protected void</code></td>
-<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#setNextState(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState)">setNextState</a></strong>(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</code>
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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/master/procedure/ModifyColumnFamilyProcedure.html#toStringClassDetails(java.lang.StringBuilder)">toStringClassDetails</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a> sb)</code>
<div class="block">Extend the toString() information with the procedure details
e.g.</div>
</td>
</tr>
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<td class="colFirst"><code>private void</code></td>
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<div class="block">Modify the column family from the file system</div>
@@ -384,7 +374,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T
<!-- -->
</a>
<h3>Methods inherited from class org.apache.hadoop.hbase.procedure2.<a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a></h3>
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throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#executeFromState(TEnvironment,%20TState)">StateMachineProcedure</a></code></strong></div>
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-<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.128">rollbackState</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env,
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org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#rollbackState(TEnvironment,%20TState)">StateMachineProcedure</a></code></strong></div>
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</li>
</ul>
+<a name="isRollbackSupported(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState)">
+<!-- -->
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+<h4>isRollbackSupported</h4>
+<pre>protected boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.141">isRollbackSupported</a>(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</pre>
+<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#isRollbackSupported(TState)">StateMachineProcedure</a></code></strong></div>
+<div class="block">Used by the default implementation of abort() to know if the current state can be aborted
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+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#isRollbackSupported(TState)">isRollbackSupported</a></code> in class <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a><<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState></code></dd>
+</dl>
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-<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.161">completionCleanup</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</pre>
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<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#completionCleanup(TEnvironment)">Procedure</a></code></strong></div>
<div class="block">Called when the procedure is marked as completed (success or rollback).
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<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getState(int)">StateMachineProcedure</a></code></strong></div>
<div class="block">Convert an ordinal (or state id) to an Enum (or more descriptive) state object.</div>
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-<pre>protected int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.171">getStateId</a>(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</pre>
+<pre>protected int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/ModifyColumnFamilyProcedure.html#line.162">getStateId</a>(org.apache.hadoop.hbase.protobuf.generated.MasterProcedureProtos.ModifyColumnFamilyState state)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getStateId(TState)">StateMachineProcedure</a></code></strong></div>
<div class="block">Convert the Enum (or more descriptive) state object to an ordinal (or state id).</div>
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<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getInitialState()">StateMachineProcedure</a></code></strong></div>
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<dl>
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-<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#setNextState(TState)">StateMachineProcedure</a></code></strong></div>
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-<dt><strong>Overrides:</strong></dt>
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-<h4>abort</h4>
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-<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#abort(TEnvironment)">Procedure</a></code></strong></div>
-<div class="block">The abort() call is asynchronous and each procedure must decide how to deal
- with that, if they want to be abortable. The simplest implementation
- is to have an AtomicBoolean set in the abort() method and then the execute()
- will check if the abort flag is set or not.
- abort() may be called multiple times from the client, so the implementation
- must be idempotent.
-
- NOTE: abort() is not like Thread.interrupt() it is just a notification
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<div class="block">The user should override this method, and try to take a lock if necessary.
A lock can be anything, and it is up to the implementor.
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<div class="block"><strong>Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#releaseLock(TEnvironment)">Procedure</a></code></strong></div>
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<dl>
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<div class="block">The user-level code of the procedure may have some state to
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<div class="block">Called on store load to allow the user to decode the previously serialized
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<div class="block">Extend the toString() information with the procedure details
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<dt><strong>Specified by:</strong></dt>
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<div class="block">Given an operation type we can take decisions about what to do with pending operations.
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@@ -801,7 +759,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T
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<div class="block">Action before any real action of modifying column family.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>env</code> - MasterProcedureEnv</dd>
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<div class="block">Modify the column family from the file system</div>
<dl><dt><span class="strong">Throws:</span></dt>
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<div class="block">Restore back to the old descriptor</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>env</code> - MasterProcedureEnv</dd>
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