com.facebook.presto.spi.connector.classloader

Class ClassLoaderSafeNodePartitioningProvider

java.lang.Object

com.facebook.presto.spi.connector.classloader.ClassLoaderSafeNodePartitioningProvider

All Implemented Interfaces:

ConnectorNodePartitioningProvider

public final class ClassLoaderSafeNodePartitioningProvider
extends Object
implements ConnectorNodePartitioningProvider

Constructor Summary

Constructors

Constructor and Description
ClassLoaderSafeNodePartitioningProvider(ConnectorNodePartitioningProvider delegate, ClassLoader classLoader)

Method Summary

Modifier and Type	Method and Description
int	getBucketCount(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorPartitioningHandle partitioningHandle)
BucketFunction	getBucketFunction(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorPartitioningHandle partitioningHandle, List<Type> partitionChannelTypes, int bucketCount)
ConnectorBucketNodeMap	getBucketNodeMap(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorPartitioningHandle partitioningHandle, List<Node> sortedNodes)
ToIntFunction<ConnectorSplit>	getSplitBucketFunction(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorPartitioningHandle partitioningHandle)
List<ConnectorPartitionHandle>	listPartitionHandles(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorPartitioningHandle partitioningHandle) Returns a list of all partitions associated with the provided partitioningHandle.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassLoaderSafeNodePartitioningProvider

public ClassLoaderSafeNodePartitioningProvider(ConnectorNodePartitioningProvider delegate,
                                               ClassLoader classLoader)

Method Detail

getBucketFunction

public BucketFunction getBucketFunction(ConnectorTransactionHandle transactionHandle,
                                        ConnectorSession session,
                                        ConnectorPartitioningHandle partitioningHandle,
                                        List<Type> partitionChannelTypes,
                                        int bucketCount)

Specified by:

getBucketFunction in interface ConnectorNodePartitioningProvider

listPartitionHandles

public List<ConnectorPartitionHandle> listPartitionHandles(ConnectorTransactionHandle transactionHandle,
                                                           ConnectorSession session,
                                                           ConnectorPartitioningHandle partitioningHandle)

Description copied from interface: ConnectorNodePartitioningProvider

Returns a list of all partitions associated with the provided partitioningHandle.

This method must be implemented for connectors that support addressable split discovery. The partitions return here will be used as address for the purpose of split discovery.

Specified by:

listPartitionHandles in interface ConnectorNodePartitioningProvider

getBucketNodeMap

public ConnectorBucketNodeMap getBucketNodeMap(ConnectorTransactionHandle transactionHandle,
                                               ConnectorSession session,
                                               ConnectorPartitioningHandle partitioningHandle,
                                               List<Node> sortedNodes)

Specified by:

getBucketNodeMap in interface ConnectorNodePartitioningProvider

getSplitBucketFunction

public ToIntFunction<ConnectorSplit> getSplitBucketFunction(ConnectorTransactionHandle transactionHandle,
                                                            ConnectorSession session,
                                                            ConnectorPartitioningHandle partitioningHandle)

Specified by:

getSplitBucketFunction in interface ConnectorNodePartitioningProvider

getBucketCount

public int getBucketCount(ConnectorTransactionHandle transactionHandle,
                          ConnectorSession session,
                          ConnectorPartitioningHandle partitioningHandle)

Specified by:

getBucketCount in interface ConnectorNodePartitioningProvider