Package org.apache.hadoop.hbase.coprocessor

Class CoprocessorServiceBackwardCompatiblity

java.lang.Object

org.apache.hadoop.hbase.coprocessor.CoprocessorServiceBackwardCompatiblity

@Private
@Deprecated
public class CoprocessorServiceBackwardCompatiblity
extends Object

Deprecated.

Classes to help maintain backward compatibility with now deprecated CoprocessorService and SingletonCoprocessorService. From 2.0 onwards, implementors of coprocessor service should also implement the relevant coprocessor class (For eg MasterCoprocessor for coprocessor service in master), and override get*Service() method to return the Service object. To maintain backward compatibility with 1.0 implementation, we'll wrap implementation of CoprocessorService/SingletonCoprocessorService in the new {Master, Region, RegionServer}Coprocessor class. Since there is no backward compatibility guarantee for Observers, we leave get*Observer() to default which returns null. This approach to maintain backward compatibility seems cleaner and more explicit.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CoprocessorServiceBackwardCompatiblity.MasterCoprocessorService	Deprecated.
static class	CoprocessorServiceBackwardCompatiblity.RegionCoprocessorService	Deprecated.
static class	CoprocessorServiceBackwardCompatiblity.RegionServerCoprocessorService	Deprecated.

Constructor Summary

Constructors

Constructor	Description
CoprocessorServiceBackwardCompatiblity()	Deprecated.

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CoprocessorServiceBackwardCompatiblity

public CoprocessorServiceBackwardCompatiblity()

Deprecated.