org.apache.flink.connector.jdbc.internal

类 JdbcOutputFormat<In,JdbcIn,JdbcExec extends JdbcBatchStatementExecutor<JdbcIn>>

java.lang.Object

org.apache.flink.api.common.io.RichOutputFormat<In>

org.apache.flink.connector.jdbc.internal.JdbcOutputFormat<In,JdbcIn,JdbcExec>

所有已实现的接口:

Flushable, Serializable, org.apache.flink.api.common.io.OutputFormat<In>, org.apache.flink.api.java.typeutils.InputTypeConfigurable

直接已知子类:

JdbcRowOutputFormat

@Internal
public class JdbcOutputFormat<In,JdbcIn,JdbcExec extends JdbcBatchStatementExecutor<JdbcIn>>
extends org.apache.flink.api.common.io.RichOutputFormat<In>
implements Flushable, org.apache.flink.api.java.typeutils.InputTypeConfigurable

A JDBC outputFormat that supports batching records before writing records to database.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	JdbcOutputFormat.Builder Builder for a JdbcOutputFormat.
static interface	JdbcOutputFormat.RecordExtractor<F,T> An interface to extract a value from given argument.
static interface	JdbcOutputFormat.StatementExecutorFactory<T extends JdbcBatchStatementExecutor<?>> A factory for creating JdbcBatchStatementExecutor instance.

字段概要

字段

限定符和类型	字段和说明
protected JdbcConnectionProvider	connectionProvider

构造器概要

构造器

构造器和说明
JdbcOutputFormat(JdbcConnectionProvider connectionProvider, JdbcExecutionOptions executionOptions, JdbcOutputFormat.StatementExecutorFactory<JdbcExec> statementExecutorFactory, JdbcOutputFormat.RecordExtractor<In,JdbcIn> recordExtractor)

方法概要

限定符和类型	方法和说明
protected void	addToBatch(In original, JdbcIn extracted)
protected void	attemptFlush()
static JdbcOutputFormat.Builder	builder()
void	close() Executes prepared statement and closes all resources of this instance.
void	configure(org.apache.flink.configuration.Configuration parameters)
void	flush()
Connection	getConnection()
JdbcExecutionOptions	getExecutionOptions() Returns configured JdbcExecutionOptions.
void	open(int taskNumber, int numTasks) Connects to the target database and initializes the prepared statement.
void	setInputType(org.apache.flink.api.common.typeinfo.TypeInformation<?> type, org.apache.flink.api.common.ExecutionConfig executionConfig)
void	updateExecutor(boolean reconnect)
void	writeRecord(In record)

从类继承的方法 org.apache.flink.api.common.io.RichOutputFormat

getRuntimeContext, setRuntimeContext

从类继承的方法 java.lang.Object

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

字段详细资料

connectionProvider

protected final JdbcConnectionProvider connectionProvider

构造器详细资料

JdbcOutputFormat

public JdbcOutputFormat(@Nonnull
                        JdbcConnectionProvider connectionProvider,
                        @Nonnull
                        JdbcExecutionOptions executionOptions,
                        @Nonnull
                        JdbcOutputFormat.StatementExecutorFactory<JdbcExec> statementExecutorFactory,
                        @Nonnull
                        JdbcOutputFormat.RecordExtractor<In,JdbcIn> recordExtractor)

方法详细资料

setInputType

public void setInputType(org.apache.flink.api.common.typeinfo.TypeInformation<?> type,
                         org.apache.flink.api.common.ExecutionConfig executionConfig)

指定者:

setInputType 在接口中 org.apache.flink.api.java.typeutils.InputTypeConfigurable

configure

public void configure(org.apache.flink.configuration.Configuration parameters)

指定者:

configure 在接口中 org.apache.flink.api.common.io.OutputFormat<In>

open

public void open(int taskNumber,
                 int numTasks)
          throws IOException

Connects to the target database and initializes the prepared statement.

指定者:

open 在接口中 org.apache.flink.api.common.io.OutputFormat<In>

参数:

taskNumber - The number of the parallel instance.

抛出:

IOException

writeRecord

public final void writeRecord(In record)
                       throws IOException

指定者:

writeRecord 在接口中 org.apache.flink.api.common.io.OutputFormat<In>

抛出:

IOException

addToBatch

protected void addToBatch(In original,
                          JdbcIn extracted)
                   throws SQLException

抛出:

SQLException

flush

public void flush()
           throws IOException

指定者:

flush 在接口中 Flushable

抛出:

IOException

attemptFlush

protected void attemptFlush()
                     throws SQLException

抛出:

SQLException

close

public void close()

Executes prepared statement and closes all resources of this instance.

指定者:

close 在接口中 org.apache.flink.api.common.io.OutputFormat<In>

builder

public static JdbcOutputFormat.Builder builder()

updateExecutor

public void updateExecutor(boolean reconnect)
                    throws SQLException,
                           ClassNotFoundException

抛出:

SQLException

ClassNotFoundException

getExecutionOptions

public JdbcExecutionOptions getExecutionOptions()

Returns configured JdbcExecutionOptions.

getConnection

@VisibleForTesting
public Connection getConnection()