Package com.yahoo.system.execution

Class ProcessExecutor

java.lang.Object

com.yahoo.system.execution.ProcessExecutor

public class ProcessExecutor
extends Object

Configurable system command executor that captures stdout and stderr.

Author:

gjoranv, bjorncs

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ProcessExecutor.Builder

Field Summary

Fields

Modifier and Type	Field	Description
final int	timeoutSeconds

Method Summary

Modifier and Type	Method	Description
Optional<ProcessResult>	execute(String command)	Convenience method to execute a process with no input data.
Optional<ProcessResult>	execute(String command, String processInput)	Executes the given command synchronously.

Methods inherited from class java.lang.Object

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

Field Details

timeoutSeconds

public final int timeoutSeconds

Method Details

execute

public Optional<ProcessResult> execute(String command)
                                throws IOException

Convenience method to execute a process with no input data. See execute(String, String) for details.

Throws:

IOException

execute

public Optional<ProcessResult> execute(String command,
 String processInput)
                                throws IOException

Executes the given command synchronously.

Parameters:

command - The command to execute.

processInput - Input provided to the process.

Returns:

The result of the execution, or empty if the process does not terminate within the timeout set for this executor.

Throws:

IOException - if the process execution failed.