* <p>
 * Usage of invalid instances of {@code JavaToolchainSpec} is deprecated and will be removed in the future versions of Gradle.
 *
 * @since 6.7
 */
@HasInternalProtocol
public interface JavaToolchainSpec extends Describable {

    /**
     * The exact version of the Java language that the toolchain is required to support.
     */

        cache.getDownloadLocation() >> temporaryFolder
        cache.provisionFromArchive(_ as JavaToolchainSpec, _ as File, _ as URI) >> new File(temporaryFolder, "install_dir")
    }

    def "cache is properly locked around provisioning a jdk"() {
        def spec = Mock(JavaToolchainSpec)

        def providerFactory = createProviderFactory("true")


        given:

import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JavaToolchainSpec;

public class JavaToolchainInput {

    private final JavaLanguageVersion javaLanguageVersion;
    private final String vendor;
    private final String implementation;

    public JavaToolchainInput(JavaToolchainSpec spec) {
        this.javaLanguageVersion = spec.getLanguageVersion().getOrNull();

import org.gradle.internal.jvm.inspection.JvmMetadataDetector;
import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;
import org.gradle.jvm.toolchain.JavaToolchainSpec;
import org.gradle.jvm.toolchain.internal.install.JavaToolchainProvisioningService;
import org.gradle.platform.BuildPlatform;

import javax.inject.Inject;
import java.io.File;
import java.util.Comparator;

        implementationProperty.get() >> JvmImplementation.J9

        Property<JvmVendorSpec> vendorProperty = Mock(Property.class)
        vendorProperty.get() >> JvmVendorSpec.IBM

        JavaToolchainSpec spec = Mock(JavaToolchainSpec)
        spec.getLanguageVersion() >> javaLanguageVersionProperty
        spec.getImplementation() >> implementationProperty
        spec.getVendor() >> vendorProperty

import org.gradle.jvm.toolchain.JavaToolchainDownload;
import org.gradle.jvm.toolchain.JavaToolchainResolver;
import org.gradle.jvm.toolchain.JavaToolchainResolverRegistry;
import org.gradle.jvm.toolchain.JavaToolchainSpec;
import org.gradle.jvm.toolchain.internal.DefaultJavaToolchainRequest;
import org.gradle.jvm.toolchain.internal.JavaToolchainResolverRegistryInternal;
import org.gradle.jvm.toolchain.internal.JdkCacheDirectory;

 * limitations under the License.
 */

package org.gradle.jvm.toolchain.internal;

import org.gradle.jvm.toolchain.JavaToolchainSpec;

public interface JavaToolchainSpecInternal extends JavaToolchainSpec {

    /**
     * A key corresponding to the spec that is an immutable snapshot of the spec properties
     * suitable for usage in collections.
     */
    interface Key {}

import org.gradle.internal.jvm.inspection.JvmInstallationMetadata;
import org.gradle.internal.jvm.inspection.JvmVendor;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JavaToolchainSpec;
import org.gradle.jvm.toolchain.JvmImplementation;
import org.gradle.jvm.toolchain.JvmVendorSpec;

import java.util.function.Predicate;

import org.gradle.jvm.toolchain.JavaLanguageVersion
import org.gradle.jvm.toolchain.JavaToolchainSpec
import org.gradle.jvm.toolchain.JvmImplementation
import org.gradle.jvm.toolchain.JvmVendorSpec
import org.gradle.util.Matchers
import org.gradle.util.TestUtil
import spock.lang.Specification

class DefaultToolchainSpecTest extends Specification {
    JavaToolchainSpec createSpec() {
        TestUtil.objectFactory().newInstance(DefaultToolchainSpec)

import org.gradle.jvm.toolchain.JavaLanguageVersion
import org.gradle.jvm.toolchain.JavaToolchainSpec
import org.gradle.jvm.toolchain.JvmImplementation
import org.gradle.jvm.toolchain.JvmVendorSpec
import org.gradle.util.TestUtil
import spock.lang.Specification

class JavaToolchainInputTest extends Specification {
    JavaToolchainSpec createSpec() {
        TestUtil.objectFactory().newInstance(DefaultToolchainSpec)
    }