Package org.apache.druid.metadata.segment

Interface SegmentMetadataTransactionFactory

All Known Implementing Classes:

SqlSegmentMetadataReadOnlyTransactionFactory, SqlSegmentMetadataTransactionFactory

public interface SegmentMetadataTransactionFactory

Factory for SegmentMetadataTransactions.

Method Summary

Modifier and Type	Method	Description
<T> T	inReadOnlyDatasourceTransaction(String dataSource, SegmentMetadataReadTransaction.Callback<T> callback)	Creates and executes a new read-only transaction for the given datasource.
<T> T	inReadWriteDatasourceTransaction(String dataSource, SegmentMetadataTransaction.Callback<T> callback)	Creates and executes a new read-write transaction for the given datasource.

Method Details

inReadOnlyDatasourceTransaction

<T> T inReadOnlyDatasourceTransaction(String dataSource,
 SegmentMetadataReadTransaction.Callback<T> callback)

Creates and executes a new read-only transaction for the given datasource. The implementation may retry the transaction until it succeeds.

inReadWriteDatasourceTransaction

<T> T inReadWriteDatasourceTransaction(String dataSource,
 SegmentMetadataTransaction.Callback<T> callback)

Creates and executes a new read-write transaction for the given datasource. The implementation may retry the transaction until it succeeds.