org.apache.hadoop.hbase.master.procedure

Interface ServerProcedureInterface

All Known Implementing Classes:

ServerCrashProcedure

@InterfaceAudience.Private
public interface ServerProcedureInterface

Procedures that handle servers -- e.g. server crash -- must implement this Interface. It is used by the procedure runner to figure locking and what queuing.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ServerProcedureInterface.ServerOperationType

Method Summary

Modifier and Type	Method and Description
ServerName	getServerName()
ServerProcedureInterface.ServerOperationType	getServerOperationType() Given an operation type we can take decisions about what to do with pending operations.
boolean	hasMetaTableRegion()

Method Detail

getServerName

ServerName getServerName()

Returns:

Name of this server instance.

hasMetaTableRegion

boolean hasMetaTableRegion()

Returns:

True if this server has an hbase:meta table region.

getServerOperationType

ServerProcedureInterface.ServerOperationType getServerOperationType()

Given an operation type we can take decisions about what to do with pending operations. e.g. if we get a crash handler and we have some assignment operation pending we can abort those operations.

Returns:

the operation type that the procedure is executing.