TisonKun commented on a change in pull request #10104: [FLINK-14629][client]
Refactor ScalaShellRemote(Stream)Environment to simplify inheritance
URL: https://github.com/apache/flink/pull/10104#discussion_r346139740
##########
File path:
flink-scala-shell/src/main/java/org/apache/flink/api/java/ScalaShellRemoteStreamEnvironment.java
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@@ -58,27 +80,47 @@
* user-defined input formats, or any
libraries, those must be
*/
public ScalaShellRemoteStreamEnvironment(
- String host,
- int port,
- FlinkILoop flinkILoop,
- Configuration configuration,
- String... jarFiles) {
+ String host,
+ int port,
+ FlinkILoop flinkILoop,
+ Configuration configuration,
+ String... jarFiles) {
+ if (!ExecutionEnvironment.areExplicitEnvironmentsAllowed()) {
+ throw new InvalidProgramException(
+ "The RemoteEnvironment cannot be instantiated
when running in a pre-defined context " +
+ "(such as Command Line Client, Scala
Shell, or TestEnvironment)");
+ }
- super(host, port, configuration, jarFiles);
+ checkNotNull(host);
+ checkArgument(1 <= port && port < 0xffff);
+
+ this.host = host;
+ this.port = port;
this.flinkILoop = flinkILoop;
+ this.configuration = configuration != null ? configuration :
new Configuration();
+
+ if (jarFiles != null) {
+ this.jarFiles = new ArrayList<>(jarFiles.length);
Review comment:
formatted.
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