| Package | Description | 
|---|---|
| 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.regionserver | |
| org.apache.hadoop.hbase.replication.regionserver | |
| org.apache.hadoop.hbase.security.access | |
| org.apache.hadoop.hbase.security.visibility | |
| org.apache.hadoop.hbase.tool | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ConstraintProcessorProcesses multiple  Constraintson a given table. | 
| Modifier and Type | Method and Description | 
|---|---|
| Optional<RegionObserver> | ConstraintProcessor. getRegionObserver() | 
| Modifier and Type | Class and Description | 
|---|---|
| (package private) class  | MetaTableMetrics.ExampleRegionObserverMeta | 
| Modifier and Type | Method and Description | 
|---|---|
| default Optional<RegionObserver> | RegionCoprocessor. getRegionObserver() | 
| Optional<RegionObserver> | MetaTableMetrics. getRegionObserver() | 
| Optional<RegionObserver> | MetaTableMetrics.ExampleRegionObserverMeta. getRegionObserver() | 
| Modifier and Type | Class and Description | 
|---|---|
| (package private) class  | ExampleRegionObserverWithMetrics.ExampleRegionObserver | 
| class  | ScanModifyingObserverA RegionObserver which modifies incoming Scan requests to include additional
 columns than what the user actually requested. | 
| class  | ValueRewritingObserverThis RegionObserver replaces the values of Puts from one value to another on compaction. | 
| class  | WriteHeavyIncrementObserverAn example for implementing a counter that reads is much less than writes, i.e, write heavy. | 
| class  | ZooKeeperScanPolicyObserverThis is an example showing how a RegionObserver could configured via ZooKeeper in order to
 control a Region compaction, flush, and scan policy. | 
| Modifier and Type | Method and Description | 
|---|---|
| Optional<RegionObserver> | ExampleRegionObserverWithMetrics. getRegionObserver() | 
| Optional<RegionObserver> | ExampleRegionObserverWithMetrics.ExampleRegionObserver. getRegionObserver() | 
| Optional<RegionObserver> | WriteHeavyIncrementObserver. getRegionObserver() | 
| Optional<RegionObserver> | ZooKeeperScanPolicyObserver. getRegionObserver() | 
| Optional<RegionObserver> | ScanModifyingObserver. getRegionObserver() | 
| Optional<RegionObserver> | ValueRewritingObserver. getRegionObserver() | 
| Modifier and Type | Field and Description | 
|---|---|
| private CoprocessorHost.ObserverGetter<RegionCoprocessor,RegionObserver> | RegionCoprocessorHost. regionObserverGetter | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ReplicationObserverAn Observer to add HFile References to replication queue. | 
| Modifier and Type | Method and Description | 
|---|---|
| Optional<RegionObserver> | ReplicationObserver. getRegionObserver() | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AccessControllerProvides basic authorization checks for data access and administrative
 operations. | 
| Modifier and Type | Method and Description | 
|---|---|
| Optional<RegionObserver> | AccessController. getRegionObserver()Observer/Service Getters | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | VisibilityControllerCoprocessor that has both the MasterObserver and RegionObserver implemented that supports in
 visibility labels | 
| Modifier and Type | Method and Description | 
|---|---|
| Optional<RegionObserver> | VisibilityController. getRegionObserver()Observer/Service Getters | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | WriteSinkCoprocessor
 This coprocessor 'shallows' all the writes. | 
| Modifier and Type | Method and Description | 
|---|---|
| Optional<RegionObserver> | WriteSinkCoprocessor. getRegionObserver() | 
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