Module java.base

Package java.lang

Interface ProcessHandle.Info

Enclosing interface:

ProcessHandle

public static interface ProcessHandle.Info

Information snapshot about the process. The attributes of a process vary by operating system and are not available in all implementations. Information about processes is limited by the operating system privileges of the process making the request. The return types are Optional<T> allowing explicit tests and actions if the value is available.

Since:

9

Method Summary

Modifier and Type	Method	Description
java.util.Optional<String[]>	arguments()	Returns an array of Strings of the arguments of the process.
java.util.Optional<String>	command()	Returns the executable pathname of the process.
java.util.Optional<String>	commandLine()	Returns the command line of the process.
java.util.Optional<java.time.Instant>	startInstant()	Returns the start time of the process.
java.util.Optional<java.time.Duration>	totalCpuDuration()	Returns the total cputime accumulated of the process.
java.util.Optional<String>	user()	Return the user of the process.

Method Detail

command

java.util.Optional<String> command()

Returns the executable pathname of the process.

Returns:

an Optional<String> of the executable pathname of the process

commandLine

java.util.Optional<String> commandLine()

Returns the command line of the process.

If command() and arguments() return non-empty optionals, this is simply a convenience method which concatenates the values of the two functions separated by spaces. Otherwise it will return a best-effort, platform dependent representation of the command line.

Returns:

an Optional<String> of the command line of the process

arguments

java.util.Optional<String[]> arguments()

Returns an array of Strings of the arguments of the process.

Returns:

an Optional<String[]> of the arguments of the process

startInstant

java.util.Optional<java.time.Instant> startInstant()

Returns the start time of the process.

Returns:

an Optional<Instant> of the start time of the process

totalCpuDuration

java.util.Optional<java.time.Duration> totalCpuDuration()

Returns the total cputime accumulated of the process.

Returns:

an Optional<Duration> for the accumulated total cputime

user

java.util.Optional<String> user()

Return the user of the process.

Returns:

an Optional<String> for the user of the process