org.apache.flink.datastream.api

Interface ExecutionEnvironment

@Experimental
public interface ExecutionEnvironment

This is the context in which a program is executed.

The environment provides methods to create a DataStream and control the job execution.

Method Summary

Modifier and Type	Method and Description
void	execute(String jobName) Execute and submit the job attached to this environment.
<OUT> NonKeyedPartitionStream<OUT>	fromSource(org.apache.flink.api.connector.dsv2.Source<OUT> source, String sourceName)
org.apache.flink.api.common.RuntimeExecutionMode	getExecutionMode() Get the execution mode of this environment.
static ExecutionEnvironment	getInstance() Get the execution environment instance.
ExecutionEnvironment	setExecutionMode(org.apache.flink.api.common.RuntimeExecutionMode runtimeMode) Set the execution mode for this environment.

Method Detail

getInstance

static ExecutionEnvironment getInstance()
                                 throws ReflectiveOperationException

Get the execution environment instance.

Returns:

A ExecutionEnvironment instance.

Throws:

ReflectiveOperationException

execute

void execute(String jobName)
      throws Exception

Execute and submit the job attached to this environment.

Throws:

Exception

getExecutionMode

org.apache.flink.api.common.RuntimeExecutionMode getExecutionMode()

Get the execution mode of this environment.

setExecutionMode

ExecutionEnvironment setExecutionMode(org.apache.flink.api.common.RuntimeExecutionMode runtimeMode)

Set the execution mode for this environment.

fromSource

<OUT> NonKeyedPartitionStream<OUT> fromSource(org.apache.flink.api.connector.dsv2.Source<OUT> source,
                                              String sourceName)