ConcurrentMapTableUpsertMetadataManager (Pinot local segment implementations 1.1.0 API)

java.lang.Object
- org.apache.pinot.segment.local.upsert.BaseTableUpsertMetadataManager
- - org.apache.pinot.segment.local.upsert.ConcurrentMapTableUpsertMetadataManager

All Implemented Interfaces:

Closeable, AutoCloseable, TableUpsertMetadataManager
```
@ThreadSafe
public class ConcurrentMapTableUpsertMetadataManager
extends BaseTableUpsertMetadataManager
```
Implementation of TableUpsertMetadataManager that is backed by a ConcurrentHashMap.

Field Summary
- Fields inherited from class org.apache.pinot.segment.local.upsert.BaseTableUpsertMetadataManager
  _context, _helixManager, _segmentPreloadExecutor, _tableDataManager, _tableNameWithType

Constructor Summary

Constructors
Constructor Description

ConcurrentMapTableUpsertMetadataManager()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`ConcurrentMapPartitionUpsertMetadataManager`	`getOrCreatePartitionManager(int partitionId)`
`Map<Integer,Long>`	`getPartitionToPrimaryKeyCount()`	Retrieves a mapping of partition id to the primary key count for the partition.
`void`	`stop()`	Stops the metadata manager.

Methods inherited from class org.apache.pinot.segment.local.upsert.BaseTableUpsertMetadataManager
getUpsertMode, init, initCustomVariables, isPreloading, onPreloadFinish, onPreloadStart

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConcurrentMapTableUpsertMetadataManager
```
public ConcurrentMapTableUpsertMetadataManager()
```
- Method Detail
  - getOrCreatePartitionManager
```
public ConcurrentMapPartitionUpsertMetadataManager getOrCreatePartitionManager(int partitionId)
```
  - stop
```
public void stop()
```
    Description copied from interface: TableUpsertMetadataManager
    
    Stops the metadata manager. After invoking this method, no access to the metadata will be accepted.
  - getPartitionToPrimaryKeyCount
```
public Map<Integer,Long> getPartitionToPrimaryKeyCount()
```
    Description copied from interface: TableUpsertMetadataManager
    
    Retrieves a mapping of partition id to the primary key count for the partition.
    
    Returns:
    
    A Map where keys are partition id and values are count of primary keys for that specific partition
  - close
```
public void close()
           throws IOException
```
    Throws:
    
    IOException