def currentJvmToolchain = queryService.findMatchingToolchain(currentJvmFilter).get()
        then:
        !currentJvmToolchain.isFallbackToolchain()

        when:
        def fallbackFilter = createSpec()
        def fallbackToolchain = queryService.findMatchingToolchain(fallbackFilter).get()
        then:
        fallbackToolchain.isFallbackToolchain()

        return compilerFor(configureToolchainSpec(config));
    }

    @Override
    public Provider<JavaCompiler> compilerFor(JavaToolchainSpec spec) {
        return queryService.findMatchingToolchain(spec)
            .withSideEffect(toolchain -> emitEvent(toolchain, JavaTool.COMPILER))
            .map(javaToolchain -> new DefaultToolchainJavaCompiler(javaToolchain, compilerFactory));
    }

    @Override

        def queryService = createQueryServiceWithInstallations(versionRange(8, 12))

        when:
        def filter = createSpec(JavaLanguageVersion.of(versionToFind))
        def toolchain = queryService.findMatchingToolchain(filter)

        then:
        toolchain.languageVersion == JavaVersion.toVersion(versionToFind)
        toolchain.javaHome.toString() == systemSpecificAbsolutePath(expectedPath)

        where:

        this.javaInstallationRegistry = javaInstallationRegistry;
        this.currentJavaHome = currentJavaHome;
    }

    public JvmInstallationMetadata findMatchingToolchain(DaemonJvmCriteria toolchainSpec) throws GradleException {
        Optional<JvmToolchainMetadata> installation = locateToolchain(toolchainSpec);
        if (!installation.isPresent()) {

        this.currentJavaHome = currentJavaHome;
        this.buildPlatform = buildPlatform;
    }

    public ProviderInternal<JavaToolchain> findMatchingToolchain(JavaToolchainSpec filter) {
        JavaToolchainSpecInternal filterInternal = (JavaToolchainSpecInternal) Objects.requireNonNull(filter);
        return new DefaultProvider<>(() -> resolveToolchain(filterInternal));
    }

            DaemonJvmCriteria criteria = daemonParameters.getRequestedJvmCriteria();
            JvmInstallationMetadata jvmInstallationMetadata = daemonJavaToolchainQueryService.findMatchingToolchain(criteria);
            resolvedJvm = Jvm.forHome(jvmInstallationMetadata.getJavaHome().toFile());