org.graalvm.buildtools.gradle.NativeImageService Maven / Gradle / Ivy

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Plugin that provides support for building and testing of GraalVM native images (ahead-of-time compiled Java code)
There is a newer version: 0.10.4
/*
 * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
 * freely licensable by each licensor hereunder covering either (i) the
 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
 *
 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
 * is contributed by such licensors),
 *
 * without restriction, including without limitation the rights to copy, create
 * derivative works of, display, perform, and distribute the Software and make,
 * use, sell, offer for sale, import, export, have made, and have sold the
 * Software and the Larger Work(s), and to sublicense the foregoing rights on
 * either these or other terms.
 *
 * This license is subject to the following condition:
 *
 * The above copyright notice and either this complete permission notice or at a
 * minimum a reference to the UPL must be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package org.graalvm.buildtools.gradle;

import org.graalvm.buildtools.gradle.internal.GraalVMLogger;
import org.gradle.api.Project;
import org.gradle.api.provider.Provider;
import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.services.BuildService;
import org.gradle.api.services.BuildServiceParameters;

@SuppressWarnings({"UnstableApiUsage", "unused"})
public abstract class NativeImageService implements BuildService {

    public static final String MAX_PARALLEL_SYSTEM_PROPERTY = "org.graalvm.buildtools.max.parallel.builds";
    public static final String MAX_PARALLEL_ENV_VAR = "GRAALVM_BUILDTOOLS_MAX_PARALLEL_BUILDS";

    public static Provider registerOn(Project project) {
        return project.getGradle()
                .getSharedServices()
                .registerIfAbsent("nativeImage", NativeImageService.class,
                        spec -> {
                            GraalVMLogger.newBuild();
                            spec.getMaxParallelUsages().set(maxParallelUsagesOf(project.getProviders()));
                        });
    }

    private static Provider maxParallelUsagesOf(ProviderFactory providers) {
        return providers.gradleProperty(MAX_PARALLEL_SYSTEM_PROPERTY)
                .orElse(providers.environmentVariable(MAX_PARALLEL_ENV_VAR))
                .map(Integer::parseInt)
                .orElse(1 + Runtime.getRuntime().availableProcessors() / 16);
    }
}