com.chemaxon.overlap.cli.invocation

Interface CliInvocationSpec2<PT,ST>

public interface CliInvocationSpec2<PT,ST>

Environment of a profiling/execution statistics aware CLI invocation.

Method Summary

Modifier and Type	Method and Description
<ET extends Exception> CliInvocationSpec2<PT,ST>	handle(Class<ET> exceptionClass, Consumer<ET> handler) Register exception handler.
void	launch(CliEntry2<PT,ST> launcher) Launch main method.
CliInvocationSpec2<PT,ST>	usage(Supplier<String> usageHelp) Specify usage.

Method Detail

handle

<ET extends Exception> CliInvocationSpec2<PT,ST> handle(Class<ET> exceptionClass,
                                                        Consumer<ET> handler)

Register exception handler.

Type Parameters:

ET - Exception type

Parameters:

exceptionClass - Exception type to handle

handler - Handler

Returns:

Invocation spec

launch

void launch(CliEntry2<PT,ST> launcher)

Launch main method.

Parameters:

launcher - Entry point to launch with the parsed CLI parameters

usage

CliInvocationSpec2<PT,ST> usage(Supplier<String> usageHelp)

Specify usage.

Required field of the CLI parameters object are:

• boolean help - Print command line help and exit. The annotated Parameter.help() must be true.)

A typical implementation checks if parameter help. When it is true prints help and returns a nullary instance (which methods does nothing) effectively terminating execution.

Parameters:

usageHelp - Supplier of usage help. Implementation is excpected to be free of side effects.

Returns:

Invocation spec