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Interface Summary | |
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HConnection | Cluster connection. |
Scanner | Interface for client-side scanning. |
ServerConnection | Used by master and region server, so that they do not need to wait for the cluster to be up to get a connection. |
Class Summary | |
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HBaseAdmin | Provides administrative functions for HBase |
HConnectionManager | A non-instantiable class that manages connections to multiple tables in multiple HBase instances. |
HTable | Used to communicate with a single HBase table |
RowLock | Holds row name and lock id. |
ScannerCallable | Retries scanner operations such as create, next, etc. |
ServerCallable<T> | Abstract class that implemetns Callable, used by retryable actions. |
ServerConnectionManager | Used by server processes to expose HServerConnection method setRootRegionLocation |
UnmodifyableHColumnDescriptor | Immutable HColumnDescriptor |
UnmodifyableHTableDescriptor | Read-only table descriptor. |
Exception Summary | |
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NoServerForRegionException | Thrown when no region server can be found for a region |
RegionOfflineException | Thrown when a table can not be located |
RetriesExhaustedException | Exception thrown by HTable methods when an attempt to do something (like commit changes) fails after a bunch of retries. |
ScannerTimeoutException | Thrown when a scanner has timed out. |
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