com.facebook.buck.core.rules.attr

Class BuildOutputInitializer<T>

java.lang.Object

com.facebook.buck.core.rules.attr.BuildOutputInitializer<T>

public final class BuildOutputInitializer<T>
extends Object

Delegates the actual reading of disk-cached data to the InitializableFromDisk and is responsible for safely storing and retrieving the in-memory data structures.

Constructor Summary

Constructors

Constructor and Description
BuildOutputInitializer(BuildTarget buildTarget, InitializableFromDisk<T> initializableFromDisk)

Method Summary

Modifier and Type	Method and Description
T	getBuildOutput() The initialized buildOutput.
void	initializeFromDisk(SourcePathResolverAdapter pathResolver) Initializes the build output from the on disk state.
void	invalidate() Invalidates the cached build output.
void	setBuildOutputForTests(T buildOutput) This should be invoked only by the build engine (currently, CachingBuildEngine) that invoked initializeFromDisk(SourcePathResolverAdapter).

Methods inherited from class java.lang.Object

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

Constructor Detail

BuildOutputInitializer

public BuildOutputInitializer(BuildTarget buildTarget,
                              InitializableFromDisk<T> initializableFromDisk)

Method Detail

invalidate

public void invalidate()

Invalidates the cached build output. This should be called whenever the on disk state is about to change.

initializeFromDisk

public void initializeFromDisk(SourcePathResolverAdapter pathResolver)
                        throws IOException

Initializes the build output from the on disk state.

Throws:

IOException

setBuildOutputForTests

public void setBuildOutputForTests(T buildOutput)
                            throws IllegalStateException

This should be invoked only by the build engine (currently, CachingBuildEngine) that invoked initializeFromDisk(SourcePathResolverAdapter).

Throws:

IllegalStateException - if this method has already been invoked.

getBuildOutput

public T getBuildOutput()
                 throws IllegalStateException

The initialized buildOutput.

Throws:

IllegalStateException