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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.recovery</div>
<h2 title="Class ZKRMStateStore" class="title">Class ZKRMStateStore</h2>
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<ul class="inheritance">
<li>org.apache.hadoop.service.AbstractService</li>
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<ul class="inheritance">
<li><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore</a></li>
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<ul class="inheritance">
<li>org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, org.apache.hadoop.service.Service</dd>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
public class <span class="typeNameLabel">ZKRMStateStore</span>
extends <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></pre>
<div class="block"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery"><code>RMStateStore</code></a> implementation backed by ZooKeeper.
The znode structure is as follows:
ROOT_DIR_PATH
|--- VERSION_INFO
|--- EPOCH_NODE
|--- RM_ZK_FENCING_LOCK
|--- RM_APP_ROOT
| |----- HIERARCHIES
| | |----- 1
| | | |----- (#ApplicationId barring last character)
| | | | |----- (#Last character of ApplicationId)
| | | | | |----- (#ApplicationAttemptIds)
| | | ....
| | |
| | |----- 2
| | | |----- (#ApplicationId barring last 2 characters)
| | | | |----- (#Last 2 characters of ApplicationId)
| | | | | |----- (#ApplicationAttemptIds)
| | | ....
| | |
| | |----- 3
| | | |----- (#ApplicationId barring last 3 characters)
| | | | |----- (#Last 3 characters of ApplicationId)
| | | | | |----- (#ApplicationAttemptIds)
| | | ....
| | |
| | |----- 4
| | | |----- (#ApplicationId barring last 4 characters)
| | | | |----- (#Last 4 characters of ApplicationId)
| | | | | |----- (#ApplicationAttemptIds)
| | | ....
| | |
| |----- (#ApplicationId1)
| | |----- (#ApplicationAttemptIds)
| |
| |----- (#ApplicationId2)
| | |----- (#ApplicationAttemptIds)
| ....
|
|--- RM_DT_SECRET_MANAGER_ROOT
|----- RM_DT_SEQUENTIAL_NUMBER_ZNODE_NAME
|----- RM_DELEGATION_TOKENS_ROOT_ZNODE_NAME
| |----- 1
| | |----- (#TokenId barring last character)
| | | |----- (#Last character of TokenId)
| | ....
| |----- 2
| | |----- (#TokenId barring last 2 characters)
| | | |----- (#Last 2 characters of TokenId)
| | ....
| |----- 3
| | |----- (#TokenId barring last 3 characters)
| | | |----- (#Last 3 characters of TokenId)
| | ....
| |----- 4
| | |----- (#TokenId barring last 4 characters)
| | | |----- (#Last 4 characters of TokenId)
| | ....
| |----- Token_1
| |----- Token_2
| ....
|
|----- RM_DT_MASTER_KEYS_ROOT_ZNODE_NAME
| |----- Key_1
| |----- Key_2
....
|--- AMRMTOKEN_SECRET_MANAGER_ROOT
|----- currentMasterKey
|----- nextMasterKey
|-- RESERVATION_SYSTEM_ROOT
|------PLAN_1
| |------ RESERVATION_1
| |------ RESERVATION_2
| ....
|------PLAN_2
....
|-- PROXY_CA_ROOT
|----- caCert
|----- caPrivateKey
Note: Changes from 1.1 to 1.2 - AMRMTokenSecretManager state has been saved
separately. The currentMasterkey and nextMasterkey have been stored.
Also, AMRMToken has been removed from ApplicationAttemptState.
Changes from 1.2 to 1.3, Addition of ReservationSystem state.
Changes from 1.3 to 1.4 - Change the structure of application znode by
splitting it in 2 parts, depending on a configurable split index. This limits
the number of application znodes returned in a single call while loading
app state.
Changes from 1.4 to 1.5 - Change the structure of delegation token znode by
splitting it in 2 parts, depending on a configurable split index. This limits
the number of delegation token znodes returned in a single call while loading
tokens state.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.yarn.server.resourcemanager.recovery.<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></h3>
<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.ProxyCAState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.ProxyCAState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMDTSecretManagerState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMDTSecretManagerState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMStateStoreState.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMStateStoreState</a></code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.service.Service</h3>
<code>org.apache.hadoop.service.Service.STATE</code></li>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected static org.apache.hadoop.yarn.server.records.Version</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#CURRENT_VERSION_INFO">CURRENT_VERSION_INFO</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#delegationTokenNodeSplitIndex">delegationTokenNodeSplitIndex</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStoreOpDurations.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">ZKRMStateStoreOpDurations</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#opDurations">opDurations</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#RM_APP_ROOT_HIERARCHIES">RM_APP_ROOT_HIERARCHIES</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#ROOT_ZNODE_NAME">ROOT_ZNODE_NAME</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#znodeWorkingPath">znodeWorkingPath</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.yarn.server.resourcemanager.recovery.<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></h3>
<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#AM_CLIENT_TOKEN_MASTER_KEY_NAME">AM_CLIENT_TOKEN_MASTER_KEY_NAME</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#AM_RM_TOKEN_SERVICE">AM_RM_TOKEN_SERVICE</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#AMRMTOKEN_SECRET_MANAGER_ROOT">AMRMTOKEN_SECRET_MANAGER_ROOT</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#baseEpoch">baseEpoch</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#DELEGATION_KEY_PREFIX">DELEGATION_KEY_PREFIX</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#DELEGATION_TOKEN_PREFIX">DELEGATION_TOKEN_PREFIX</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#DELEGATION_TOKEN_SEQUENCE_NUMBER_PREFIX">DELEGATION_TOKEN_SEQUENCE_NUMBER_PREFIX</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#EPOCH_NODE">EPOCH_NODE</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#PROXY_CA_CERT_NODE">PROXY_CA_CERT_NODE</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#PROXY_CA_PRIVATE_KEY_NODE">PROXY_CA_PRIVATE_KEY_NODE</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#PROXY_CA_ROOT">PROXY_CA_ROOT</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#RESERVATION_SYSTEM_ROOT">RESERVATION_SYSTEM_ROOT</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#resourceManager">resourceManager</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#RM_APP_ROOT">RM_APP_ROOT</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#RM_DT_SECRET_MANAGER_ROOT">RM_DT_SECRET_MANAGER_ROOT</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#rmStateStoreEventHandler">rmStateStoreEventHandler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#VERSION_NODE">VERSION_NODE</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#ZKRMStateStore--">ZKRMStateStore</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#closeInternal--">closeInternal</a></span>()</code>
<div class="block">Derived classes close themselves using this method.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.zookeeper.data.ACL&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#constructZkRootNodeACL-org.apache.hadoop.conf.Configuration-java.util.List-">constructZkRootNodeACL</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.zookeeper.data.ACL&gt;&nbsp;sourceACLs)</code>
<div class="block">Given the <code>Configuration</code> and <code>ACL</code>s used (sourceACLs) for
ZooKeeper access, construct the <code>ACL</code>s for the store's root node.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#deleteStore--">deleteStore</a></span>()</code>
<div class="block">Derived classes must implement this method to delete the state store</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#getAndIncrementEpoch--">getAndIncrementEpoch</a></span>()</code>
<div class="block">Get the current epoch of RM and increment the value.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected org.apache.hadoop.yarn.server.records.Version</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#getCurrentVersion--">getCurrentVersion</a></span>()</code>
<div class="block">Get the current version of the underlying state store.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#initInternal-org.apache.hadoop.conf.Configuration-">initInternal</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>
<div class="block">Derived classes initialize themselves using this method.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#loadState--">loadState</a></span>()</code>
<div class="block">Blocking API
The derived class must recover state from the store and return a new
RMState object populated with that state
This must not be called on the dispatcher thread</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected org.apache.hadoop.yarn.server.records.Version</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#loadVersion--">loadVersion</a></span>()</code>
<div class="block">Derived class use this method to load the version information from state
store.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#removeApplication-org.apache.hadoop.yarn.api.records.ApplicationId-">removeApplication</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;removeAppId)</code>
<div class="block">Derived classes must implement this method to remove application from the
state store</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#removeApplicationAttemptInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">removeApplicationAttemptInternal</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</code>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of specified
attempt.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#removeApplicationStateInternal-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">removeApplicationStateInternal</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationStateData</a>&nbsp;appState)</code>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of an
application and its attempts</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#removeReservationState-java.lang.String-java.lang.String-">removeReservationState</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;planName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;reservationIdName)</code>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of
a reservation allocation.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#removeRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-">removeRMDelegationTokenState</a></span>(org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier&nbsp;rmDTIdentifier)</code>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of RMDelegationToken</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#removeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">removeRMDTMasterKeyState</a></span>(org.apache.hadoop.security.token.delegation.DelegationKey&nbsp;delegationKey)</code>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of
DelegationToken Master Key</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#startInternal--">startInternal</a></span>()</code>
<div class="block">Derived classes start themselves using this method.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeApplicationAttemptStateInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData-">storeApplicationAttemptStateInternal</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationAttemptStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationAttemptStateData</a>&nbsp;attemptStateDataPB)</code>
<div class="block">Blocking API
Derived classes must implement this method to store the state of an
application attempt</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeApplicationStateInternal-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">storeApplicationStateInternal</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationStateData</a>&nbsp;appStateDataPB)</code>
<div class="block">Blocking API
Derived classes must implement this method to store the state of an
application.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeOrUpdateAMRMTokenSecretManagerState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.AMRMTokenSecretManagerState-boolean-">storeOrUpdateAMRMTokenSecretManagerState</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/AMRMTokenSecretManagerState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">AMRMTokenSecretManagerState</a>&nbsp;amrmTokenSecretManagerState,
boolean&nbsp;isUpdate)</code>
<div class="block">Blocking API Derived classes must implement this method to store or update
the state of AMRMToken Master Key</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeProxyCACertState-java.security.cert.X509Certificate-java.security.PrivateKey-">storeProxyCACertState</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/security/cert/X509Certificate.html?is-external=true" title="class or interface in java.security.cert">X509Certificate</a>&nbsp;caCert,
<a href="https://docs.oracle.com/javase/8/docs/api/java/security/PrivateKey.html?is-external=true" title="class or interface in java.security">PrivateKey</a>&nbsp;caPrivateKey)</code>
<div class="block">Blocking API
Derived classes must implement this method to store the CA Certificate
and Private Key</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeReservationState-org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto-java.lang.String-java.lang.String-">storeReservationState</a></span>(org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto&nbsp;reservationAllocation,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;planName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;reservationIdName)</code>
<div class="block">Blocking API
Derived classes must implement this method to store the state of
a reservation allocation.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">storeRMDelegationTokenState</a></span>(org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier&nbsp;rmDTIdentifier,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;renewDate)</code>
<div class="block">Blocking API
Derived classes must implement this method to store the state of
RMDelegationToken and sequence number</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">storeRMDTMasterKeyState</a></span>(org.apache.hadoop.security.token.delegation.DelegationKey&nbsp;delegationKey)</code>
<div class="block">Blocking API
Derived classes must implement this method to store the state of
DelegationToken Master Key</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#storeVersion--">storeVersion</a></span>()</code>
<div class="block">Derived class use this method to store the version information.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#updateApplicationAttemptStateInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData-">updateApplicationAttemptStateInternal</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationAttemptStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationAttemptStateData</a>&nbsp;attemptStateDataPB)</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#updateApplicationStateInternal-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">updateApplicationStateInternal</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationStateData</a>&nbsp;appStateDataPB)</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.html#updateRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">updateRMDelegationTokenState</a></span>(org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier&nbsp;rmDTIdentifier,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;renewDate)</code>
<div class="block">Blocking API
Derived classes must implement this method to update the state of
RMDelegationToken and sequence number</div>
</td>
</tr>
</table>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.yarn.server.resourcemanager.recovery.<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></h3>
<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#checkVersion--">checkVersion</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#getCredentialsFromAppAttempt-org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt-">getCredentialsFromAppAttempt</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#getRMStateStoreEventHandler--">getRMStateStoreEventHandler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#getRMStateStoreState--">getRMStateStoreState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#handleStoreEvent-org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStoreEvent-">handleStoreEvent</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#isFencedState--">isFencedState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#nextEpoch-long-">nextEpoch</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#notifyStoreOperationFailed-java.lang.Exception-">notifyStoreOperationFailed</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplication-org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp-">removeApplication</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplicationAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">removeApplicationAttempt</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeReservation-java.lang.String-java.lang.String-">removeReservation</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeRMDelegationToken-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-">removeRMDelegationToken</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeRMDTMasterKey-org.apache.hadoop.security.token.delegation.DelegationKey-">removeRMDTMasterKey</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#serviceInit-org.apache.hadoop.conf.Configuration-">serviceInit</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#serviceStart--">serviceStart</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#serviceStop--">serviceStop</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#setResourceManager-org.apache.hadoop.yarn.server.resourcemanager.ResourceManager-">setResourceManager</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#setRMDispatcher-org.apache.hadoop.yarn.event.Dispatcher-">setRMDispatcher</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeNewApplication-org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp-">storeNewApplication</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeNewApplicationAttempt-org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt-">storeNewApplicationAttempt</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeNewReservation-org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto-java.lang.String-java.lang.String-">storeNewReservation</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeOrUpdateAMRMTokenSecretManager-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.AMRMTokenSecretManagerState-boolean-">storeOrUpdateAMRMTokenSecretManager</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeProxyCACert-java.security.cert.X509Certificate-java.security.PrivateKey-">storeProxyCACert</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeRMDelegationToken-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">storeRMDelegationToken</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeRMDTMasterKey-org.apache.hadoop.security.token.delegation.DelegationKey-">storeRMDTMasterKey</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateApplicationAttemptState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData-">updateApplicationAttemptState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateApplicationState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">updateApplicationState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateApplicationState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-boolean-">updateApplicationState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateApplicationStateSynchronously-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-boolean-org.apache.hadoop.thirdparty.com.google.common.util.concurrent.SettableFuture-">updateApplicationStateSynchronously</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateFencedState--">updateFencedState</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateRMDelegationToken-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">updateRMDelegationToken</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.service.AbstractService</h3>
<code>close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop</code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
<a name="ROOT_ZNODE_NAME">
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<h4>ROOT_ZNODE_NAME</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> ROOT_ZNODE_NAME</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.ROOT_ZNODE_NAME">Constant Field Values</a></dd>
</dl>
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<pre>protected static final&nbsp;org.apache.hadoop.yarn.server.records.Version CURRENT_VERSION_INFO</pre>
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<a name="RM_APP_ROOT_HIERARCHIES">
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<h4>RM_APP_ROOT_HIERARCHIES</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> RM_APP_ROOT_HIERARCHIES</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.RM_APP_ROOT_HIERARCHIES">Constant Field Values</a></dd>
</dl>
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<a name="znodeWorkingPath">
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<h4>znodeWorkingPath</h4>
<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> znodeWorkingPath</pre>
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<a name="delegationTokenNodeSplitIndex">
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<h4>delegationTokenNodeSplitIndex</h4>
<pre>protected&nbsp;int delegationTokenNodeSplitIndex</pre>
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<h4>opDurations</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStoreOpDurations.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">ZKRMStateStoreOpDurations</a> opDurations</pre>
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<h3>Constructor Detail</h3>
<a name="ZKRMStateStore--">
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<h4>ZKRMStateStore</h4>
<pre>public&nbsp;ZKRMStateStore()</pre>
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<h3>Method Detail</h3>
<a name="constructZkRootNodeACL-org.apache.hadoop.conf.Configuration-java.util.List-">
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<h4>constructZkRootNodeACL</h4>
<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.zookeeper.data.ACL&gt;&nbsp;constructZkRootNodeACL(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.zookeeper.data.ACL&gt;&nbsp;sourceACLs)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/security/NoSuchAlgorithmException.html?is-external=true" title="class or interface in java.security">NoSuchAlgorithmException</a></pre>
<div class="block">Given the <code>Configuration</code> and <code>ACL</code>s used (sourceACLs) for
ZooKeeper access, construct the <code>ACL</code>s for the store's root node.
In the constructed <code>ACL</code>, all the users allowed by sourceACLs are
given read-write-admin access, while the current RM has exclusive
create-delete access.
To be called only when HA is enabled and the configuration doesn't set an
ACL for the root node.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - the configuration</dd>
<dd><code>sourceACLs</code> - the source ACLs</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>ACLs for the store's root node</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/security/NoSuchAlgorithmException.html?is-external=true" title="class or interface in java.security">NoSuchAlgorithmException</a></code> - thrown if the digest
algorithm used by Zookeeper cannot be found</dd>
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<pre>public&nbsp;void&nbsp;initInternal(org.apache.hadoop.conf.Configuration&nbsp;conf)
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<a href="https://docs.oracle.com/javase/8/docs/api/java/security/NoSuchAlgorithmException.html?is-external=true" title="class or interface in java.security">NoSuchAlgorithmException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#initInternal-org.apache.hadoop.conf.Configuration-">RMStateStore</a></code></span></div>
<div class="block">Derived classes initialize themselves using this method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#initInternal-org.apache.hadoop.conf.Configuration-">initInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/security/NoSuchAlgorithmException.html?is-external=true" title="class or interface in java.security">NoSuchAlgorithmException</a></code></dd>
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<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#startInternal--">RMStateStore</a></code></span></div>
<div class="block">Derived classes start themselves using this method.
The base class is started and the event dispatcher is ready to use at
this point</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#startInternal--">startInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;void&nbsp;closeInternal()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#closeInternal--">RMStateStore</a></code></span></div>
<div class="block">Derived classes close themselves using this method.
The base class will be closed and the event dispatcher will be shutdown
after this</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#closeInternal--">closeInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;org.apache.hadoop.yarn.server.records.Version&nbsp;getCurrentVersion()</pre>
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<div class="block">Get the current version of the underlying state store.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#getCurrentVersion--">getCurrentVersion</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
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<pre>protected&nbsp;void&nbsp;storeVersion()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeVersion--">RMStateStore</a></code></span></div>
<div class="block">Derived class use this method to store the version information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeVersion--">storeVersion</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;org.apache.hadoop.yarn.server.records.Version&nbsp;loadVersion()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#loadVersion--">RMStateStore</a></code></span></div>
<div class="block">Derived class use this method to load the version information from state
store.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#loadVersion--">loadVersion</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>public&nbsp;long&nbsp;getAndIncrementEpoch()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#getAndIncrementEpoch--">RMStateStore</a></code></span></div>
<div class="block">Get the current epoch of RM and increment the value.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#getAndIncrementEpoch--">getAndIncrementEpoch</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMState</a>&nbsp;loadState()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#loadState--">RMStateStore</a></code></span></div>
<div class="block">Blocking API
The derived class must recover state from the store and return a new
RMState object populated with that state
This must not be called on the dispatcher thread</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#loadState--">loadState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
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<pre>public&nbsp;void&nbsp;storeApplicationStateInternal(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationStateData</a>&nbsp;appStateDataPB)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeApplicationStateInternal-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to store the state of an
application.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeApplicationStateInternal-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">storeApplicationStateInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
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<pre>protected&nbsp;void&nbsp;updateApplicationStateInternal(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationStateData</a>&nbsp;appStateDataPB)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateApplicationStateInternal-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">updateApplicationStateInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;void&nbsp;storeApplicationAttemptStateInternal(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationAttemptStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationAttemptStateData</a>&nbsp;attemptStateDataPB)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeApplicationAttemptStateInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to store the state of an
application attempt</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeApplicationAttemptStateInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData-">storeApplicationAttemptStateInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
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<pre>protected&nbsp;void&nbsp;updateApplicationAttemptStateInternal(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationAttemptStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationAttemptStateData</a>&nbsp;attemptStateDataPB)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateApplicationAttemptStateInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData-">updateApplicationAttemptStateInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;void&nbsp;removeApplicationAttemptInternal(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplicationAttemptInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of specified
attempt.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplicationAttemptInternal-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">removeApplicationAttemptInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;void&nbsp;removeApplicationStateInternal(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">ApplicationStateData</a>&nbsp;appState)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplicationStateInternal-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of an
application and its attempts</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplicationStateInternal-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData-">removeApplicationStateInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
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<h4>storeRMDelegationTokenState</h4>
<pre>protected&nbsp;void&nbsp;storeRMDelegationTokenState(org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier&nbsp;rmDTIdentifier,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;renewDate)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to store the state of
RMDelegationToken and sequence number</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">storeRMDelegationTokenState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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</li>
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<h4>removeRMDelegationTokenState</h4>
<pre>protected&nbsp;void&nbsp;removeRMDelegationTokenState(org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier&nbsp;rmDTIdentifier)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of RMDelegationToken</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-">removeRMDelegationTokenState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="updateRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">
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<h4>updateRMDelegationTokenState</h4>
<pre>protected&nbsp;void&nbsp;updateRMDelegationTokenState(org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier&nbsp;rmDTIdentifier,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;renewDate)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to update the state of
RMDelegationToken and sequence number</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#updateRMDelegationTokenState-org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier-java.lang.Long-">updateRMDelegationTokenState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="storeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">
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<h4>storeRMDTMasterKeyState</h4>
<pre>protected&nbsp;void&nbsp;storeRMDTMasterKeyState(org.apache.hadoop.security.token.delegation.DelegationKey&nbsp;delegationKey)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to store the state of
DelegationToken Master Key</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">storeRMDTMasterKeyState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="removeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">
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<h4>removeRMDTMasterKeyState</h4>
<pre>protected&nbsp;void&nbsp;removeRMDTMasterKeyState(org.apache.hadoop.security.token.delegation.DelegationKey&nbsp;delegationKey)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of
DelegationToken Master Key</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeRMDTMasterKeyState-org.apache.hadoop.security.token.delegation.DelegationKey-">removeRMDTMasterKeyState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="deleteStore--">
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<ul class="blockList">
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<h4>deleteStore</h4>
<pre>public&nbsp;void&nbsp;deleteStore()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#deleteStore--">RMStateStore</a></code></span></div>
<div class="block">Derived classes must implement this method to delete the state store</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#deleteStore--">deleteStore</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="removeApplication-org.apache.hadoop.yarn.api.records.ApplicationId-">
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<ul class="blockList">
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<h4>removeApplication</h4>
<pre>public&nbsp;void&nbsp;removeApplication(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;removeAppId)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplication-org.apache.hadoop.yarn.api.records.ApplicationId-">RMStateStore</a></code></span></div>
<div class="block">Derived classes must implement this method to remove application from the
state store</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeApplication-org.apache.hadoop.yarn.api.records.ApplicationId-">removeApplication</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="storeOrUpdateAMRMTokenSecretManagerState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.AMRMTokenSecretManagerState-boolean-">
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<h4>storeOrUpdateAMRMTokenSecretManagerState</h4>
<pre>protected&nbsp;void&nbsp;storeOrUpdateAMRMTokenSecretManagerState(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/records/AMRMTokenSecretManagerState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery.records">AMRMTokenSecretManagerState</a>&nbsp;amrmTokenSecretManagerState,
boolean&nbsp;isUpdate)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeOrUpdateAMRMTokenSecretManagerState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.AMRMTokenSecretManagerState-boolean-">RMStateStore</a></code></span></div>
<div class="block">Blocking API Derived classes must implement this method to store or update
the state of AMRMToken Master Key</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeOrUpdateAMRMTokenSecretManagerState-org.apache.hadoop.yarn.server.resourcemanager.recovery.records.AMRMTokenSecretManagerState-boolean-">storeOrUpdateAMRMTokenSecretManagerState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="removeReservationState-java.lang.String-java.lang.String-">
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<ul class="blockList">
<li class="blockList">
<h4>removeReservationState</h4>
<pre>protected&nbsp;void&nbsp;removeReservationState(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;planName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;reservationIdName)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeReservationState-java.lang.String-java.lang.String-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to remove the state of
a reservation allocation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#removeReservationState-java.lang.String-java.lang.String-">removeReservationState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="storeReservationState-org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto-java.lang.String-java.lang.String-">
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<h4>storeReservationState</h4>
<pre>protected&nbsp;void&nbsp;storeReservationState(org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto&nbsp;reservationAllocation,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;planName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;reservationIdName)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeReservationState-org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto-java.lang.String-java.lang.String-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to store the state of
a reservation allocation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeReservationState-org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto-java.lang.String-java.lang.String-">storeReservationState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
</dl>
</li>
</ul>
<a name="storeProxyCACertState-java.security.cert.X509Certificate-java.security.PrivateKey-">
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<h4>storeProxyCACertState</h4>
<pre>protected&nbsp;void&nbsp;storeProxyCACertState(<a href="https://docs.oracle.com/javase/8/docs/api/java/security/cert/X509Certificate.html?is-external=true" title="class or interface in java.security.cert">X509Certificate</a>&nbsp;caCert,
<a href="https://docs.oracle.com/javase/8/docs/api/java/security/PrivateKey.html?is-external=true" title="class or interface in java.security">PrivateKey</a>&nbsp;caPrivateKey)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeProxyCACertState-java.security.cert.X509Certificate-java.security.PrivateKey-">RMStateStore</a></code></span></div>
<div class="block">Blocking API
Derived classes must implement this method to store the CA Certificate
and Private Key</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html#storeProxyCACertState-java.security.cert.X509Certificate-java.security.PrivateKey-">storeProxyCACertState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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