| Package | Description | 
|---|---|
| org.apache.hadoop.hbase | |
| org.apache.hadoop.hbase.client.coprocessor | Provides client classes for invoking Coprocessor RPC protocols
 Overview
 Example Usage
 | 
| org.apache.hadoop.hbase.constraint | Restrict the domain of a data attribute, often times to fulfill business rules/requirements. | 
| org.apache.hadoop.hbase.coprocessor | Table of Contents | 
| org.apache.hadoop.hbase.coprocessor.example | |
| org.apache.hadoop.hbase.master | |
| org.apache.hadoop.hbase.quotas | |
| org.apache.hadoop.hbase.regionserver | |
| org.apache.hadoop.hbase.regionserver.wal | |
| org.apache.hadoop.hbase.replication.regionserver | |
| org.apache.hadoop.hbase.rsgroup | |
| org.apache.hadoop.hbase.security.access | |
| org.apache.hadoop.hbase.security.token | |
| org.apache.hadoop.hbase.security.visibility | |
| org.apache.hadoop.hbase.tool | 
| Class and Description | 
|---|
| MasterCoprocessor | 
| RegionServerCoprocessor | 
| Class and Description | 
|---|
| ColumnInterpreter Defines how value for specific column is interpreted and provides utility
 methods like compare, add, multiply etc for them. | 
| Class and Description | 
|---|
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| Class and Description | 
|---|
| BulkLoadObserver Coprocessors implement this interface to observe and mediate bulk load operations. | 
| CoprocessorHost.ObserverGetter Implementations defined function to get an observer of type  Ofrom a coprocessor of
 typeC. | 
| CoprocessorHost.ObserverOperation | 
| CoprocessorHost.ObserverOperationWithResult | 
| CoprocessorService Deprecated. 
 Since 2.0. Will be removed in 3.0 | 
| EndpointObserver Coprocessors implement this interface to observe and mediate endpoint invocations
 on a region. | 
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| MetaTableMetrics.ExampleRegionObserverMeta | 
| MetaTableMetrics.MetaTableOps | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| ObserverContextImpl This is the only implementation of  ObserverContext, which serves as the interface for
 third-party Coprocessor developers. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| RegionObserver.MutationType Mutation type for postMutationBeforeWAL hook | 
| RegionServerCoprocessor | 
| RegionServerCoprocessorEnvironment | 
| RegionServerObserver Defines coprocessor hooks for interacting with operations on the
  HRegionServerprocess. | 
| SingletonCoprocessorService Deprecated. 
 Since 2.0. Will be removed in 3.0 | 
| WALCoprocessorEnvironment | 
| WALObserver It's provided to have a way for coprocessors to observe, rewrite,
 or skip WALEdits as they are being written to the WAL. | 
| Class and Description | 
|---|
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| Class and Description | 
|---|
| BaseEnvironment Encapsulation of the environment of each coprocessor | 
| CoprocessorHost Provides the common setup framework and runtime services for coprocessor
 invocation from HBase services. | 
| CoprocessorHost.ObserverGetter Implementations defined function to get an observer of type  Ofrom a coprocessor of
 typeC. | 
| CoprocessorHost.ObserverOperation | 
| CoprocessorHost.ObserverOperationWithoutResult | 
| HasMasterServices Deprecated. 
 Since 2.0.0 to be removed in 3.0.0. The hope is that by 3.0.0 we will not need this
 facility as CoreCoprocessors are integated into core. | 
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| ObserverContextImpl This is the only implementation of  ObserverContext, which serves as the interface for
 third-party Coprocessor developers. | 
| Class and Description | 
|---|
| CoreCoprocessor Marker annotation that denotes Coprocessors that are core to HBase. | 
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| Class and Description | 
|---|
| BaseEnvironment Encapsulation of the environment of each coprocessor | 
| CoprocessorHost Provides the common setup framework and runtime services for coprocessor
 invocation from HBase services. | 
| CoprocessorHost.ObserverGetter Implementations defined function to get an observer of type  Ofrom a coprocessor of
 typeC. | 
| CoprocessorHost.ObserverOperation | 
| CoprocessorHost.ObserverOperationWithoutResult | 
| EndpointObserver Coprocessors implement this interface to observe and mediate endpoint invocations
 on a region. | 
| HasRegionServerServices Deprecated. 
 Since 2.0.0 to be removed in 3.0.0. The hope is that by 3.0.0 we will not need this
 facility as CoreCoprocessors are integated into core. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| ObserverContextImpl This is the only implementation of  ObserverContext, which serves as the interface for
 third-party Coprocessor developers. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| RegionServerCoprocessor | 
| RegionServerCoprocessorEnvironment | 
| RegionServerObserver Defines coprocessor hooks for interacting with operations on the
  HRegionServerprocess. | 
| Class and Description | 
|---|
| BaseEnvironment Encapsulation of the environment of each coprocessor | 
| CoprocessorHost Provides the common setup framework and runtime services for coprocessor
 invocation from HBase services. | 
| CoprocessorHost.ObserverGetter Implementations defined function to get an observer of type  Ofrom a coprocessor of
 typeC. | 
| CoprocessorHost.ObserverOperation | 
| CoprocessorHost.ObserverOperationWithoutResult | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| ObserverContextImpl This is the only implementation of  ObserverContext, which serves as the interface for
 third-party Coprocessor developers. | 
| WALCoprocessor WALCoprocessor don't support loading services using  Coprocessor.getServices(). | 
| WALCoprocessorEnvironment | 
| WALObserver It's provided to have a way for coprocessors to observe, rewrite,
 or skip WALEdits as they are being written to the WAL. | 
| Class and Description | 
|---|
| CoreCoprocessor Marker annotation that denotes Coprocessors that are core to HBase. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| Class and Description | 
|---|
| CoreCoprocessor Marker annotation that denotes Coprocessors that are core to HBase. | 
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| Class and Description | 
|---|
| BulkLoadObserver Coprocessors implement this interface to observe and mediate bulk load operations. | 
| CoreCoprocessor Marker annotation that denotes Coprocessors that are core to HBase. | 
| EndpointObserver Coprocessors implement this interface to observe and mediate endpoint invocations
 on a region. | 
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| RegionServerCoprocessor | 
| RegionServerCoprocessorEnvironment | 
| RegionServerObserver Defines coprocessor hooks for interacting with operations on the
  HRegionServerprocess. | 
| Class and Description | 
|---|
| CoreCoprocessor Marker annotation that denotes Coprocessors that are core to HBase. | 
| RegionCoprocessor | 
| Class and Description | 
|---|
| CoreCoprocessor Marker annotation that denotes Coprocessors that are core to HBase. | 
| MasterCoprocessor | 
| MasterCoprocessorEnvironment | 
| MasterObserver Defines coprocessor hooks for interacting with operations on the
  HMasterprocess. | 
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
| RegionServerCoprocessor | 
| RegionServerCoprocessorEnvironment | 
| RegionServerObserver Defines coprocessor hooks for interacting with operations on the
  HRegionServerprocess. | 
| Class and Description | 
|---|
| ObserverContext Carries the execution state for a given invocation of an Observer coprocessor
 ( RegionObserver,MasterObserver, orWALObserver)
 method. | 
| RegionCoprocessor | 
| RegionCoprocessorEnvironment | 
| RegionObserver Coprocessors implement this interface to observe and mediate client actions on the region. | 
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