com.facebook.buck.cli

Class MainRunner

java.lang.Object

com.facebook.buck.cli.MainRunner

public final class MainRunner
extends Object

Responsible for running the commands logic of buck after MainWithNailgun and MainWithoutNailgun have completed the initial bootstrapping of resources and state.

One instance of MainRunner exists per command run.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MainRunner.KnownRuleTypesFactoryFactory
static interface	MainRunner.ParserAndCaches Struct for the multiple values returned by getParserAndCaches(java.util.Optional<com.facebook.nailgun.NGContext>, com.facebook.buck.io.watchman.WatchmanWatcher.FreshInstanceAction, com.facebook.buck.io.filesystem.ProjectFilesystem, com.facebook.buck.core.config.BuckConfig, com.facebook.buck.io.watchman.Watchman, com.facebook.buck.core.rules.knowntypes.provider.KnownRuleTypesProvider, com.facebook.buck.core.cell.Cell, com.facebook.buck.support.state.BuckGlobalState, com.facebook.buck.event.BuckEventBus, com.google.common.collect.ImmutableMap<com.facebook.buck.util.concurrent.ExecutorPool, com.google.common.util.concurrent.ListeningExecutorService>, com.facebook.buck.rules.keys.config.RuleKeyConfiguration, com.facebook.buck.util.CloseableMemoizedSupplier<com.facebook.buck.core.graph.transformation.executor.DepsAwareExecutor<? super com.facebook.buck.core.graph.transformation.model.ComputeResult, ?>>, com.facebook.buck.io.ExecutableFinder, com.facebook.buck.core.parser.buildtargetparser.UnconfiguredBuildTargetViewFactory, com.facebook.buck.core.model.TargetConfiguration, com.facebook.buck.parser.TargetSpecResolver).

Field Summary

Fields

Modifier and Type	Field and Description
static int	JNA_POINTER_SIZE Force JNA to be initialized early to avoid deadlock race condition.

Constructor Summary

Constructors

Constructor and Description

MainRunner(Console console, InputStream stdIn, MainRunner.KnownRuleTypesFactoryFactory knownRuleTypesFactoryFactory, BuildId buildId, com.google.common.collect.ImmutableMap<String,String> clientEnvironment, Platform platform, Path projectRoot, org.pf4j.PluginManager pluginManager, BuckModuleManager moduleManager, BackgroundTaskManager bgTaskManager, CommandMode commandMode, Optional<com.facebook.nailgun.NGContext> context) This constructor allows integration tests to add/remove/modify known build rules (aka descriptions).

Method Summary

Modifier and Type	Method and Description
ExitCode	runMainWithExitCode(WatchmanWatcher.FreshInstanceAction watchmanFreshInstanceAction, long initTimestamp, com.google.common.collect.ImmutableList<String> unexpandedCommandLineArgs)

Methods inherited from class java.lang.Object

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

Field Detail

JNA_POINTER_SIZE

public static final int JNA_POINTER_SIZE

Force JNA to be initialized early to avoid deadlock race condition.

See: https://github.com/java-native-access/jna/issues/652

Constructor Detail

MainRunner

public MainRunner(Console console,
                  InputStream stdIn,
                  MainRunner.KnownRuleTypesFactoryFactory knownRuleTypesFactoryFactory,
                  BuildId buildId,
                  com.google.common.collect.ImmutableMap<String,String> clientEnvironment,
                  Platform platform,
                  Path projectRoot,
                  org.pf4j.PluginManager pluginManager,
                  BuckModuleManager moduleManager,
                  BackgroundTaskManager bgTaskManager,
                  CommandMode commandMode,
                  Optional<com.facebook.nailgun.NGContext> context)

This constructor allows integration tests to add/remove/modify known build rules (aka descriptions).

Parameters:

console - the Console to print to for this command

stdIn - the input stream to the command being ran

knownRuleTypesFactoryFactory - the known rule types for this command

buildId - the BuildId for this command

clientEnvironment - the environment variable map for this command

platform - the current running Platform

projectRoot - the project root of the current command

pluginManager - the PluginManager for this command

moduleManager - the BuckModuleManager for this command

context - the NGContext from nailgun for this command

Method Detail

runMainWithExitCode

public ExitCode runMainWithExitCode(WatchmanWatcher.FreshInstanceAction watchmanFreshInstanceAction,
                                    long initTimestamp,
                                    com.google.common.collect.ImmutableList<String> unexpandedCommandLineArgs)
                             throws Exception

Parameters:

initTimestamp - Value of System.nanoTime() when process got main()/nailMain() invoked.

unexpandedCommandLineArgs - command line arguments

Returns:

an ExitCode representing the result of the command

Throws:

Exception