HBASE-8792 Organize EventType Java Docs
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1496166 13f79535-47bb-0310-9956-ffa450edef68
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Michael Stack
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@ -37,47 +37,198 @@ public enum EventType {
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// Messages originating from RS (NOTE: there is NO direct communication from
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// Messages originating from RS (NOTE: there is NO direct communication from
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// RS to Master). These are a result of RS updates into ZK.
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// RS to Master). These are a result of RS updates into ZK.
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// RS_ZK_REGION_CLOSING (1), // It is replaced by M_ZK_REGION_CLOSING(HBASE-4739)
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// RS_ZK_REGION_CLOSING (1), // It is replaced by M_ZK_REGION_CLOSING(HBASE-4739)
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RS_ZK_REGION_CLOSED (2, ExecutorType.MASTER_CLOSE_REGION), // RS has finished closing a region
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RS_ZK_REGION_OPENING (3, null), // RS is in process of opening a region
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RS_ZK_REGION_OPENED (4, ExecutorType.MASTER_OPEN_REGION), // RS has finished opening a region
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RS_ZK_REGION_SPLITTING (5, null), // RS has started a region split
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RS_ZK_REGION_SPLIT (6, ExecutorType.MASTER_SERVER_OPERATIONS), // RS split has completed.
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RS_ZK_REGION_FAILED_OPEN (7, ExecutorType.MASTER_CLOSE_REGION), // RS failed to open a region
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RS_ZK_REGION_MERGING (8, null), // RS has started merging regions
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RS_ZK_REGION_MERGE (9, ExecutorType.MASTER_SERVER_OPERATIONS), // RS region merge has completed.
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// Messages originating from Master to RS
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/**
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M_RS_OPEN_REGION (20, ExecutorType.RS_OPEN_REGION), // Master asking RS to open a region
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* RS_ZK_REGION_CLOSED<br>
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M_RS_OPEN_ROOT (21, ExecutorType.RS_OPEN_ROOT), // Master asking RS to open root
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*
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M_RS_OPEN_META (22, ExecutorType.RS_OPEN_META), // Master asking RS to open meta
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* RS has finished closing a region.
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M_RS_CLOSE_REGION (23, ExecutorType.RS_CLOSE_REGION), // Master asking RS to close a region
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*/
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M_RS_CLOSE_ROOT (24, ExecutorType.RS_CLOSE_ROOT), // Master asking RS to close root
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RS_ZK_REGION_CLOSED (2, ExecutorType.MASTER_CLOSE_REGION),
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M_RS_CLOSE_META (25, ExecutorType.RS_CLOSE_META), // Master asking RS to close meta
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/**
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* RS_ZK_REGION_OPENING<br>
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*
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* RS is in process of opening a region.
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*/
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RS_ZK_REGION_OPENING (3, null),
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/**
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* RS_ZK_REGION_OPENED<br>
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*
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* RS has finished opening a region.
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*/
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RS_ZK_REGION_OPENED (4, ExecutorType.MASTER_OPEN_REGION),
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/**
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* RS_ZK_REGION_SPLITTING<br>
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*
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* RS has started a region split.
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*/
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RS_ZK_REGION_SPLITTING (5, null),
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/**
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* RS_ZK_REGION_SPLIT<br>
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*
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* RS split has completed.
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*/
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RS_ZK_REGION_SPLIT (6, ExecutorType.MASTER_SERVER_OPERATIONS),
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/**
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* RS_ZK_REGION_FAILED_OPEN<br>
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*
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* RS failed to open a region.
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*/
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RS_ZK_REGION_FAILED_OPEN (7, ExecutorType.MASTER_CLOSE_REGION),
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/**
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* RS_ZK_REGION_MERGING<br>
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*
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* RS has started merging regions.
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*/
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RS_ZK_REGION_MERGING (8, null),
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/**
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* RS_ZK_REGION_MERGE<br>
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*
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* RS region merge has completed.
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*/
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RS_ZK_REGION_MERGE (9, ExecutorType.MASTER_SERVER_OPERATIONS),
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// Messages originating from Client to Master
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/**
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C_M_MERGE_REGION (30, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to merge regions
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* Messages originating from Master to RS.<br>
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C_M_DELETE_TABLE (40, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to delete a table
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* M_RS_OPEN_REGION<br>
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C_M_DISABLE_TABLE (41, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to disable a table
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* Master asking RS to open a region.
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C_M_ENABLE_TABLE (42, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to enable a table
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*/
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C_M_MODIFY_TABLE (43, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to modify a table
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M_RS_OPEN_REGION (20, ExecutorType.RS_OPEN_REGION),
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C_M_ADD_FAMILY (44, null), // Client asking Master to add family to table
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/**
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C_M_DELETE_FAMILY (45, null), // Client asking Master to delete family of table
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* Messages originating from Master to RS.<br>
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C_M_MODIFY_FAMILY (46, null), // Client asking Master to modify family of table
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* M_RS_OPEN_ROOT<br>
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C_M_CREATE_TABLE (47, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to create a table
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* Master asking RS to open root.
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C_M_SNAPSHOT_TABLE (48, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to snapshot an offline table
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*/
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C_M_RESTORE_SNAPSHOT (49, ExecutorType.MASTER_TABLE_OPERATIONS), // Client asking Master to restore a snapshot
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M_RS_OPEN_ROOT (21, ExecutorType.RS_OPEN_ROOT),
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/**
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* Messages originating from Master to RS.<br>
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* M_RS_OPEN_META<br>
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* Master asking RS to open meta.
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*/
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M_RS_OPEN_META (22, ExecutorType.RS_OPEN_META),
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/**
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* Messages originating from Master to RS.<br>
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* M_RS_CLOSE_REGION<br>
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* Master asking RS to close a region.
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*/
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M_RS_CLOSE_REGION (23, ExecutorType.RS_CLOSE_REGION),
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/**
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* Messages originating from Master to RS.<br>
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* M_RS_CLOSE_ROOT<br>
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* Master asking RS to close root.
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*/
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M_RS_CLOSE_ROOT (24, ExecutorType.RS_CLOSE_ROOT),
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/**
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* Messages originating from Master to RS.<br>
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* M_RS_CLOSE_META<br>
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* Master asking RS to close meta.
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*/
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M_RS_CLOSE_META (25, ExecutorType.RS_CLOSE_META),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_MERGE_REGION<br>
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* Client asking Master to merge regions.
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*/
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C_M_MERGE_REGION (30, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_DELETE_TABLE<br>
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* Client asking Master to delete a table.
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*/
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C_M_DELETE_TABLE (40, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_DISABLE_TABLE<br>
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* Client asking Master to disable a table.
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*/
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C_M_DISABLE_TABLE (41, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_ENABLE_TABLE<br>
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* Client asking Master to enable a table.
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*/
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C_M_ENABLE_TABLE (42, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_MODIFY_TABLE<br>
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* Client asking Master to modify a table.
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*/
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C_M_MODIFY_TABLE (43, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_ADD_FAMILY<br>
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* Client asking Master to add family to table.
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*/
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C_M_ADD_FAMILY (44, null),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_DELETE_FAMILY<br>
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* Client asking Master to delete family of table.
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*/
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C_M_DELETE_FAMILY (45, null),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_MODIFY_FAMILY<br>
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* Client asking Master to modify family of table.
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*/
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C_M_MODIFY_FAMILY (46, null),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_CREATE_TABLE<br>
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* Client asking Master to create a table.
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*/
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C_M_CREATE_TABLE (47, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_SNAPSHOT_TABLE<br>
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* Client asking Master to snapshot an offline table.
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*/
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C_M_SNAPSHOT_TABLE (48, ExecutorType.MASTER_TABLE_OPERATIONS),
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/**
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* Messages originating from Client to Master.<br>
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* C_M_RESTORE_SNAPSHOT<br>
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* Client asking Master to restore a snapshot.
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*/
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C_M_RESTORE_SNAPSHOT (49, ExecutorType.MASTER_TABLE_OPERATIONS),
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// Updates from master to ZK. This is done by the master and there is
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// Updates from master to ZK. This is done by the master and there is
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// nothing to process by either Master or RS
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// nothing to process by either Master or RS
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M_ZK_REGION_OFFLINE (50, null), // Master adds this region as offline in ZK
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/**
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M_ZK_REGION_CLOSING (51, null), // Master adds this region as closing in ZK
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* M_ZK_REGION_OFFLINE
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* Master adds this region as offline in ZK
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*/
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M_ZK_REGION_OFFLINE (50, null),
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/**
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* M_ZK_REGION_CLOSING
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* Master adds this region as closing in ZK
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*/
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M_ZK_REGION_CLOSING (51, null),
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// Master controlled events to be executed on the master
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/**
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M_SERVER_SHUTDOWN (70, ExecutorType.MASTER_SERVER_OPERATIONS), // Master is processing shutdown of a RS
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* Master controlled events to be executed on the master
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M_META_SERVER_SHUTDOWN (72, ExecutorType.MASTER_META_SERVER_OPERATIONS), // Master is processing shutdown of RS hosting a meta region (-ROOT- or .META.).
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* M_SERVER_SHUTDOWN
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M_MASTER_RECOVERY (73, ExecutorType.MASTER_SERVER_OPERATIONS), // Master is processing recovery of regions found in ZK RIT
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* Master is processing shutdown of a RS
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*/
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M_SERVER_SHUTDOWN (70, ExecutorType.MASTER_SERVER_OPERATIONS),
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/**
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* Master controlled events to be executed on the master.<br>
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* M_META_SERVER_SHUTDOWN <br>
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* Master is processing shutdown of RS hosting a meta region (-ROOT- or .META.).
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*/
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M_META_SERVER_SHUTDOWN (72, ExecutorType.MASTER_META_SERVER_OPERATIONS),
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/**
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* Master controlled events to be executed on the master.<br>
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*
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* M_MASTER_RECOVERY<br>
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* Master is processing recovery of regions found in ZK RIT
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*/
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M_MASTER_RECOVERY (73, ExecutorType.MASTER_SERVER_OPERATIONS),
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// RS controlled events to be executed on the RS
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/**
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* RS controlled events to be executed on the RS.<br>
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*
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* RS_PARALLEL_SEEK
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*/
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RS_PARALLEL_SEEK (80, ExecutorType.RS_PARALLEL_SEEK);
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RS_PARALLEL_SEEK (80, ExecutorType.RS_PARALLEL_SEEK);
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private final int code;
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private final int code;
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