Package com.illumon.iris.db.tables.remotequery.client

Class DndScriptExecutor

java.lang.Object

com.illumon.iris.db.tables.remotequery.client.DndScriptExecutor

public class DndScriptExecutor
extends Object

Requests DnD worker creation via dispatcher and executes a script on said worker startup. For programmatic access to DnD worker process info id on failure, handle DndScriptExecutor.DndScriptExecutionFailure. Borrows code from DhcInDhe/README.md for remotely starting a DnD worker.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	DndScriptExecutor.DndScriptExecutionFailure	On DnD script execution failure, this exception contains process info id along with full trace.

Constructor Summary

Constructors

Constructor	Description
DndScriptExecutor()

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)	Deprecated.
static String	sendRequest(String host, String workerKind, String scriptLanguage, File file, int requestTimeout, int maxHeapSizeMb)	Variation of sendRequest(String, String, String, String, int, int) that uses file
static String	sendRequest(String host, String workerKind, String scriptLanguage, String startupScript, int requestTimeout, int maxHeapSizeMb)	See DndScriptExecutor description.

Methods inherited from class java.lang.Object

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

Constructor Details

DndScriptExecutor

public DndScriptExecutor()

Method Details

main

@Deprecated
public static void main(String[] args)
                 throws Exception

Deprecated.

Standalone program deprecated b/c it's not robustly tested. API methods are.

Throws:

Exception

sendRequest

public static String sendRequest(String host,
 String workerKind,
 String scriptLanguage,
 String startupScript,
 int requestTimeout,
 int maxHeapSizeMb)
                          throws IOException

See DndScriptExecutor description.

Parameters:

host - dispatcher host to request worker from

workerKind - name of desired WorkerKind

scriptLanguage - language to execute startupScript

startupScript - string of startup script to execute

requestTimeout - timeout for dispatcher request in ms

maxHeapSizeMb - max heap size for requested worker in mb

Returns:

process info id of requested DnD worker

Throws:

IOException - on dispatcher connection failure

sendRequest

public static String sendRequest(String host,
 String workerKind,
 String scriptLanguage,
 File file,
 int requestTimeout,
 int maxHeapSizeMb)
                          throws IOException

Variation of sendRequest(String, String, String, String, int, int) that uses file

Throws:

IOException