org.apache.beam.sdk.io.jdbc

Class JdbcIO.PoolableDataSourceProvider

java.lang.Object

org.apache.beam.sdk.io.jdbc.JdbcIO.PoolableDataSourceProvider

All Implemented Interfaces:

java.io.Serializable, HasDisplayData, ProcessFunction<java.lang.Void,javax.sql.DataSource>, SerializableFunction<java.lang.Void,javax.sql.DataSource>

Enclosing class:

JdbcIO

public static class JdbcIO.PoolableDataSourceProvider
extends java.lang.Object
implements SerializableFunction<java.lang.Void,javax.sql.DataSource>, HasDisplayData

Wraps a JdbcIO.DataSourceConfiguration to provide a PoolingDataSource.

At most a single DataSource instance will be constructed during pipeline execution for each unique JdbcIO.DataSourceConfiguration within the pipeline.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
javax.sql.DataSource	apply(java.lang.Void input) Returns the result of invoking this function on the given input.
static SerializableFunction<java.lang.Void,javax.sql.DataSource>	of(JdbcIO.DataSourceConfiguration config)
void	populateDisplayData(DisplayData.Builder builder) Register display data for the given transform or component.

Methods inherited from class java.lang.Object

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

Method Detail

of

public static SerializableFunction<java.lang.Void,javax.sql.DataSource> of(JdbcIO.DataSourceConfiguration config)

apply

public javax.sql.DataSource apply(java.lang.Void input)

Description copied from interface: SerializableFunction

Returns the result of invoking this function on the given input.

Specified by:

apply in interface ProcessFunction<java.lang.Void,javax.sql.DataSource>

Specified by:

apply in interface SerializableFunction<java.lang.Void,javax.sql.DataSource>

populateDisplayData

public void populateDisplayData(DisplayData.Builder builder)

Description copied from interface: HasDisplayData

Register display data for the given transform or component.

populateDisplayData(DisplayData.Builder) is invoked by Pipeline runners to collect display data via DisplayData.from(HasDisplayData). Implementations may call super.populateDisplayData(builder) in order to register display data in the current namespace, but should otherwise use subcomponent.populateDisplayData(builder) to use the namespace of the subcomponent.

Specified by:

populateDisplayData in interface HasDisplayData

Parameters:

builder - The builder to populate with display data.

See Also:

HasDisplayData