Package com.google.gerrit.server.rules

Class RulesCache

java.lang.Object

com.google.gerrit.server.rules.RulesCache

public class RulesCache
extends Object

Manages a cache of compiled Prolog rules.

Rules are loaded from the site_path/cache/rules/rules-SHA1.jar, where SHA1 is the SHA1 of the Prolog rules.pl in a project's RefNames.REFS_CONFIG branch.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RulesCache.RulesCacheModule

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RulesCache(org.eclipse.jgit.lib.Config config, SitePaths site, GitRepositoryManager gm, PluginSetContext<PredicateProvider> predicateProviders, com.google.common.cache.Cache<org.eclipse.jgit.lib.ObjectId,com.googlecode.prolog_cafe.lang.PrologMachineCopy> machineCache)

Method Summary

Modifier and Type	Method	Description
boolean	isProjectRulesEnabled()
com.googlecode.prolog_cafe.lang.PrologMachineCopy	loadMachine(Project.NameKey project, org.eclipse.jgit.lib.ObjectId rulesId)	Locate a cached Prolog machine state, or create one if not available.
com.googlecode.prolog_cafe.lang.PrologMachineCopy	loadMachine(String name, Reader in)

Methods inherited from class java.lang.Object

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

Constructor Detail

RulesCache

@Inject
protected RulesCache(org.eclipse.jgit.lib.Config config,
                     SitePaths site,
                     GitRepositoryManager gm,
                     PluginSetContext<PredicateProvider> predicateProviders,
                     com.google.common.cache.Cache<org.eclipse.jgit.lib.ObjectId,com.googlecode.prolog_cafe.lang.PrologMachineCopy> machineCache)

Method Detail

isProjectRulesEnabled

public boolean isProjectRulesEnabled()

loadMachine

public com.googlecode.prolog_cafe.lang.PrologMachineCopy loadMachine(@Nullable
                                                                     Project.NameKey project,
                                                                     @Nullable
                                                                     org.eclipse.jgit.lib.ObjectId rulesId)
                                                              throws com.googlecode.prolog_cafe.exceptions.CompileException

Locate a cached Prolog machine state, or create one if not available.

Returns:

a Prolog machine, after loading the specified rules.

Throws:

com.googlecode.prolog_cafe.exceptions.CompileException - the machine cannot be created.

loadMachine

public com.googlecode.prolog_cafe.lang.PrologMachineCopy loadMachine(String name,
                                                                     Reader in)
                                                              throws com.googlecode.prolog_cafe.exceptions.CompileException

Throws:

com.googlecode.prolog_cafe.exceptions.CompileException