MasterCoprocessorHost (HBase 0.98.7-hadoop1 API)

java.lang.Object
- org.apache.hadoop.hbase.coprocessor.CoprocessorHost<org.apache.hadoop.hbase.master.MasterCoprocessorHost.MasterEnvironment>
- - org.apache.hadoop.hbase.master.MasterCoprocessorHost

@InterfaceAudience.Private
public class MasterCoprocessorHost
extends CoprocessorHost<org.apache.hadoop.hbase.master.MasterCoprocessorHost.MasterEnvironment>

Provides the coprocessor framework and environment for master oriented operations. HMaster interacts with the loaded coprocessors through this class.

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.hadoop.hbase.coprocessor.CoprocessorHost
  CoprocessorHost.Environment

Field Summary
- Fields inherited from class org.apache.hadoop.hbase.coprocessor.CoprocessorHost
  ABORT_ON_ERROR_KEY, abortable, conf, coprocessors, DEFAULT_ABORT_ON_ERROR, loadSequence, MASTER_COPROCESSOR_CONF_KEY, pathPrefix, REGION_COPROCESSOR_CONF_KEY, REGIONSERVER_COPROCESSOR_CONF_KEY, USER_REGION_COPROCESSOR_CONF_KEY, WAL_COPROCESSOR_CONF_KEY

Method Summary

Methods
Modifier and Type	Method and Description
`org.apache.hadoop.hbase.master.MasterCoprocessorHost.MasterEnvironment`	`createEnvironment(Class<?> implClass, Coprocessor instance, int priority, int seq, org.apache.hadoop.conf.Configuration conf)` Called when a new Coprocessor class is loaded
`void`	`postAddColumn(TableName tableName, HColumnDescriptor column)`
`void`	`postAddColumnHandler(TableName tableName, HColumnDescriptor column)`
`void`	`postAssign(HRegionInfo regionInfo)`
`void`	`postBalance(List<RegionPlan> plans)`
`void`	`postBalanceSwitch(boolean oldValue, boolean newValue)`
`void`	`postCloneSnapshot(HBaseProtos.SnapshotDescription snapshot, HTableDescriptor hTableDescriptor)`
`void`	`postCreateNamespace(NamespaceDescriptor ns)`
`void`	`postCreateTable(HTableDescriptor htd, HRegionInfo[] regions)`
`void`	`postCreateTableHandler(HTableDescriptor htd, HRegionInfo[] regions)`
`void`	`postDeleteColumn(TableName tableName, byte[] c)`
`void`	`postDeleteColumnHandler(TableName tableName, byte[] c)`
`void`	`postDeleteNamespace(String namespaceName)`
`void`	`postDeleteSnapshot(HBaseProtos.SnapshotDescription snapshot)`
`void`	`postDeleteTable(TableName tableName)`
`void`	`postDeleteTableHandler(TableName tableName)`
`void`	`postDisableTable(TableName tableName)`
`void`	`postDisableTableHandler(TableName tableName)`
`void`	`postEnableTable(TableName tableName)`
`void`	`postEnableTableHandler(TableName tableName)`
`void`	`postGetTableDescriptors(List<HTableDescriptor> descriptors)`
`void`	`postModifyColumn(TableName tableName, HColumnDescriptor descriptor)`
`void`	`postModifyColumnHandler(TableName tableName, HColumnDescriptor descriptor)`
`void`	`postModifyNamespace(NamespaceDescriptor ns)`
`void`	`postModifyTable(TableName tableName, HTableDescriptor htd)`
`void`	`postModifyTableHandler(TableName tableName, HTableDescriptor htd)`
`void`	`postMove(HRegionInfo region, ServerName srcServer, ServerName destServer)`
`void`	`postRegionOffline(HRegionInfo regionInfo)`
`void`	`postRestoreSnapshot(HBaseProtos.SnapshotDescription snapshot, HTableDescriptor hTableDescriptor)`
`void`	`postSnapshot(HBaseProtos.SnapshotDescription snapshot, HTableDescriptor hTableDescriptor)`
`void`	`postStartMaster()`
`void`	`postUnassign(HRegionInfo regionInfo, boolean force)`
`boolean`	`preAddColumn(TableName tableName, HColumnDescriptor column)`
`boolean`	`preAddColumnHandler(TableName tableName, HColumnDescriptor column)`
`boolean`	`preAssign(HRegionInfo regionInfo)`
`boolean`	`preBalance()`
`boolean`	`preBalanceSwitch(boolean b)`
`void`	`preCloneSnapshot(HBaseProtos.SnapshotDescription snapshot, HTableDescriptor hTableDescriptor)`
`boolean`	`preCreateNamespace(NamespaceDescriptor ns)`
`void`	`preCreateTable(HTableDescriptor htd, HRegionInfo[] regions)`
`void`	`preCreateTableHandler(HTableDescriptor htd, HRegionInfo[] regions)`
`boolean`	`preDeleteColumn(TableName tableName, byte[] c)`
`boolean`	`preDeleteColumnHandler(TableName tableName, byte[] c)`
`boolean`	`preDeleteNamespace(String namespaceName)`
`void`	`preDeleteSnapshot(HBaseProtos.SnapshotDescription snapshot)`
`void`	`preDeleteTable(TableName tableName)`
`void`	`preDeleteTableHandler(TableName tableName)`
`void`	`preDisableTable(TableName tableName)`
`void`	`preDisableTableHandler(TableName tableName)`
`void`	`preEnableTable(TableName tableName)`
`void`	`preEnableTableHandler(TableName tableName)`
`boolean`	`preGetTableDescriptors(List<TableName> tableNamesList, List<HTableDescriptor> descriptors)`
`void`	`preMasterInitialization()`
`boolean`	`preModifyColumn(TableName tableName, HColumnDescriptor descriptor)`
`boolean`	`preModifyColumnHandler(TableName tableName, HColumnDescriptor descriptor)`
`boolean`	`preModifyNamespace(NamespaceDescriptor ns)`
`void`	`preModifyTable(TableName tableName, HTableDescriptor htd)`
`void`	`preModifyTableHandler(TableName tableName, HTableDescriptor htd)`
`boolean`	`preMove(HRegionInfo region, ServerName srcServer, ServerName destServer)`
`void`	`preRegionOffline(HRegionInfo regionInfo)`
`void`	`preRestoreSnapshot(HBaseProtos.SnapshotDescription snapshot, HTableDescriptor hTableDescriptor)`
`void`	`preShutdown()`
`void`	`preSnapshot(HBaseProtos.SnapshotDescription snapshot, HTableDescriptor hTableDescriptor)`
`void`	`preStopMaster()`
`boolean`	`preUnassign(HRegionInfo regionInfo, boolean force)`

Methods inherited from class org.apache.hadoop.hbase.coprocessor.CoprocessorHost
abortServer, abortServer, findCoprocessor, findCoprocessorEnvironment, getCoprocessors, getLoadedCoprocessors, handleCoprocessorThrowable, load, load, loadInstance, loadSystemCoprocessors, shutdown

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createEnvironment

public org.apache.hadoop.hbase.master.MasterCoprocessorHost.MasterEnvironment createEnvironment(Class<?> implClass,
                                                                                       Coprocessor instance,
                                                                                       int priority,
                                                                                       int seq,
                                                                                       org.apache.hadoop.conf.Configuration conf)

Description copied from class: CoprocessorHost

Called when a new Coprocessor class is loaded

Specified by:: createEnvironment in class CoprocessorHost<org.apache.hadoop.hbase.master.MasterCoprocessorHost.MasterEnvironment>

preCreateNamespace

public boolean preCreateNamespace(NamespaceDescriptor ns)
                           throws IOException

Throws:: IOException

postCreateNamespace

public void postCreateNamespace(NamespaceDescriptor ns)
                         throws IOException

Throws:: IOException

preDeleteNamespace

public boolean preDeleteNamespace(String namespaceName)
                           throws IOException

Throws:: IOException

postDeleteNamespace

public void postDeleteNamespace(String namespaceName)
                         throws IOException

Throws:: IOException

preModifyNamespace

public boolean preModifyNamespace(NamespaceDescriptor ns)
                           throws IOException

Throws:: IOException

postModifyNamespace

public void postModifyNamespace(NamespaceDescriptor ns)
                         throws IOException

Throws:: IOException

preCreateTable

public void preCreateTable(HTableDescriptor htd,
                  HRegionInfo[] regions)
                    throws IOException

Throws:: IOException

postCreateTable

public void postCreateTable(HTableDescriptor htd,
                   HRegionInfo[] regions)
                     throws IOException

Throws:: IOException

preCreateTableHandler

public void preCreateTableHandler(HTableDescriptor htd,
                         HRegionInfo[] regions)
                           throws IOException

Throws:: IOException

postCreateTableHandler

public void postCreateTableHandler(HTableDescriptor htd,
                          HRegionInfo[] regions)
                            throws IOException

Throws:: IOException

preDeleteTable

public void preDeleteTable(TableName tableName)
                    throws IOException

Throws:: IOException

postDeleteTable

public void postDeleteTable(TableName tableName)
                     throws IOException

Throws:: IOException

preDeleteTableHandler

public void preDeleteTableHandler(TableName tableName)
                           throws IOException

Throws:: IOException

postDeleteTableHandler

public void postDeleteTableHandler(TableName tableName)
                            throws IOException

Throws:: IOException

preModifyTable

public void preModifyTable(TableName tableName,
                  HTableDescriptor htd)
                    throws IOException

Throws:: IOException

postModifyTable

public void postModifyTable(TableName tableName,
                   HTableDescriptor htd)
                     throws IOException

Throws:: IOException

preModifyTableHandler

public void preModifyTableHandler(TableName tableName,
                         HTableDescriptor htd)
                           throws IOException

Throws:: IOException

postModifyTableHandler

public void postModifyTableHandler(TableName tableName,
                          HTableDescriptor htd)
                            throws IOException

Throws:: IOException

preAddColumn

public boolean preAddColumn(TableName tableName,
                   HColumnDescriptor column)
                     throws IOException

Throws:: IOException

postAddColumn

public void postAddColumn(TableName tableName,
                 HColumnDescriptor column)
                   throws IOException

Throws:: IOException

preAddColumnHandler

public boolean preAddColumnHandler(TableName tableName,
                          HColumnDescriptor column)
                            throws IOException

Throws:: IOException

postAddColumnHandler

public void postAddColumnHandler(TableName tableName,
                        HColumnDescriptor column)
                          throws IOException

Throws:: IOException

preModifyColumn

public boolean preModifyColumn(TableName tableName,
                      HColumnDescriptor descriptor)
                        throws IOException

Throws:: IOException

postModifyColumn

public void postModifyColumn(TableName tableName,
                    HColumnDescriptor descriptor)
                      throws IOException

Throws:: IOException

preModifyColumnHandler

public boolean preModifyColumnHandler(TableName tableName,
                             HColumnDescriptor descriptor)
                               throws IOException

Throws:: IOException

postModifyColumnHandler

public void postModifyColumnHandler(TableName tableName,
                           HColumnDescriptor descriptor)
                             throws IOException

Throws:: IOException

preDeleteColumn

public boolean preDeleteColumn(TableName tableName,
                      byte[] c)
                        throws IOException

Throws:: IOException

postDeleteColumn

public void postDeleteColumn(TableName tableName,
                    byte[] c)
                      throws IOException

Throws:: IOException

preDeleteColumnHandler

public boolean preDeleteColumnHandler(TableName tableName,
                             byte[] c)
                               throws IOException

Throws:: IOException

postDeleteColumnHandler

public void postDeleteColumnHandler(TableName tableName,
                           byte[] c)
                             throws IOException

Throws:: IOException

preEnableTable

public void preEnableTable(TableName tableName)
                    throws IOException

Throws:: IOException

postEnableTable

public void postEnableTable(TableName tableName)
                     throws IOException

Throws:: IOException

preEnableTableHandler

public void preEnableTableHandler(TableName tableName)
                           throws IOException

Throws:: IOException

postEnableTableHandler

public void postEnableTableHandler(TableName tableName)
                            throws IOException

Throws:: IOException

preDisableTable

public void preDisableTable(TableName tableName)
                     throws IOException

Throws:: IOException

postDisableTable

public void postDisableTable(TableName tableName)
                      throws IOException

Throws:: IOException

preDisableTableHandler

public void preDisableTableHandler(TableName tableName)
                            throws IOException

Throws:: IOException

postDisableTableHandler

public void postDisableTableHandler(TableName tableName)
                             throws IOException

Throws:: IOException

preMove

public boolean preMove(HRegionInfo region,
              ServerName srcServer,
              ServerName destServer)
                throws IOException

Throws:: IOException

postMove

public void postMove(HRegionInfo region,
            ServerName srcServer,
            ServerName destServer)
              throws IOException

Throws:: IOException

preAssign

public boolean preAssign(HRegionInfo regionInfo)
                  throws IOException

Throws:: IOException

postAssign

public void postAssign(HRegionInfo regionInfo)
                throws IOException

Throws:: IOException

preUnassign

public boolean preUnassign(HRegionInfo regionInfo,
                  boolean force)
                    throws IOException

Throws:: IOException

postUnassign

public void postUnassign(HRegionInfo regionInfo,
                boolean force)
                  throws IOException

Throws:: IOException

preRegionOffline

public void preRegionOffline(HRegionInfo regionInfo)
                      throws IOException

Throws:: IOException

postRegionOffline

public void postRegionOffline(HRegionInfo regionInfo)
                       throws IOException

Throws:: IOException

preBalance

public boolean preBalance()
                   throws IOException

Throws:: IOException

postBalance

public void postBalance(List<RegionPlan> plans)
                 throws IOException

Throws:: IOException

preBalanceSwitch

public boolean preBalanceSwitch(boolean b)
                         throws IOException

Throws:: IOException

postBalanceSwitch

public void postBalanceSwitch(boolean oldValue,
                     boolean newValue)
                       throws IOException

Throws:: IOException

preShutdown

public void preShutdown()
                 throws IOException

Throws:: IOException

preStopMaster

public void preStopMaster()
                   throws IOException

Throws:: IOException

preMasterInitialization

public void preMasterInitialization()
                             throws IOException

Throws:: IOException

postStartMaster

public void postStartMaster()
                     throws IOException

Throws:: IOException

preSnapshot

public void preSnapshot(HBaseProtos.SnapshotDescription snapshot,
               HTableDescriptor hTableDescriptor)
                 throws IOException

Throws:: IOException

postSnapshot

public void postSnapshot(HBaseProtos.SnapshotDescription snapshot,
                HTableDescriptor hTableDescriptor)
                  throws IOException

Throws:: IOException

preCloneSnapshot

public void preCloneSnapshot(HBaseProtos.SnapshotDescription snapshot,
                    HTableDescriptor hTableDescriptor)
                      throws IOException

Throws:: IOException

postCloneSnapshot

public void postCloneSnapshot(HBaseProtos.SnapshotDescription snapshot,
                     HTableDescriptor hTableDescriptor)
                       throws IOException

Throws:: IOException

preRestoreSnapshot

public void preRestoreSnapshot(HBaseProtos.SnapshotDescription snapshot,
                      HTableDescriptor hTableDescriptor)
                        throws IOException

Throws:: IOException

postRestoreSnapshot

public void postRestoreSnapshot(HBaseProtos.SnapshotDescription snapshot,
                       HTableDescriptor hTableDescriptor)
                         throws IOException

Throws:: IOException

preDeleteSnapshot

public void preDeleteSnapshot(HBaseProtos.SnapshotDescription snapshot)
                       throws IOException

Throws:: IOException

postDeleteSnapshot

public void postDeleteSnapshot(HBaseProtos.SnapshotDescription snapshot)
                        throws IOException

Throws:: IOException

preGetTableDescriptors

public boolean preGetTableDescriptors(List<TableName> tableNamesList,
                             List<HTableDescriptor> descriptors)
                               throws IOException

Throws:: IOException

postGetTableDescriptors

public void postGetTableDescriptors(List<HTableDescriptor> descriptors)
                             throws IOException

Throws:: IOException

Class MasterCoprocessorHost

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.coprocessor.CoprocessorHost

Field Summary

Fields inherited from class org.apache.hadoop.hbase.coprocessor.CoprocessorHost