protected internal override QueryExecutionEngine CreateEngine(Dependencies deps, GraphDatabaseAPI graphAPI)
{
GraphDatabaseCypherService queryService = new GraphDatabaseCypherService(graphAPI);
deps.SatisfyDependency(queryService);
DependencyResolver resolver = graphAPI.DependencyResolver;
LogService logService = resolver.ResolveDependency(typeof(LogService));
Monitors monitors = resolver.ResolveDependency(typeof(Monitors));
Config config = resolver.ResolveDependency(typeof(Config));
CypherConfiguration cypherConfig = CypherConfiguration.fromConfig(config);
CypherPlannerConfiguration plannerConfig = cypherConfig.toCypherPlannerConfiguration(config);
CypherRuntimeConfiguration runtimeConfig = cypherConfig.toCypherRuntimeConfiguration();
LogProvider logProvider = logService.InternalLogProvider;
CommunityCompilerFactory communityCompilerFactory = new CommunityCompilerFactory(queryService, monitors, logProvider, plannerConfig, runtimeConfig);
EnterpriseCompilerFactory compilerFactory = new EnterpriseCompilerFactory(communityCompilerFactory, queryService, monitors, logProvider, plannerConfig, runtimeConfig);
deps.SatisfyDependency(compilerFactory);
return(CreateEngine(queryService, config, logProvider, compilerFactory));
}
private ExecutionEngine StandardEngine(GraphDatabaseCypherService queryService, LogProvider logProvider, EnterpriseCompilerFactory compilerFactory)
{
return(new ExecutionEngine(queryService, logProvider, compilerFactory));
}
private SnapshotExecutionEngine SnapshotEngine(GraphDatabaseCypherService queryService, Config config, LogProvider logProvider, EnterpriseCompilerFactory compilerFactory)
{
return(new SnapshotExecutionEngine(queryService, config, logProvider, compilerFactory));
}
private QueryExecutionEngine CreateEngine(GraphDatabaseCypherService queryService, Config config, LogProvider logProvider, EnterpriseCompilerFactory compilerFactory)
{
return(config.Get(GraphDatabaseSettings.snapshot_query) ? SnapshotEngine(queryService, config, logProvider, compilerFactory) : StandardEngine(queryService, logProvider, compilerFactory));
}
