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/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gradle.internal.service.scopes;

import org.gradle.api.internal.DocumentationRegistry;
import org.gradle.api.internal.cache.StringInterner;
import org.gradle.api.internal.changedetection.state.DefaultExecutionHistoryCacheAccess;
import org.gradle.cache.CacheBuilder;
import org.gradle.cache.FileLockManager;
import org.gradle.cache.PersistentCache;
import org.gradle.cache.internal.InMemoryCacheDecoratorFactory;
import org.gradle.cache.scopes.BuildScopedCache;
import org.gradle.caching.internal.controller.BuildCacheController;
import org.gradle.initialization.BuildCancellationToken;
import org.gradle.internal.enterprise.core.GradleEnterprisePluginManager;
import org.gradle.internal.event.ListenerManager;
import org.gradle.internal.execution.BuildOutputCleanupRegistry;
import org.gradle.internal.execution.ExecutionEngine;
import org.gradle.internal.execution.OutputChangeListener;
import org.gradle.internal.execution.OutputSnapshotter;
import org.gradle.internal.execution.WorkInputListeners;
import org.gradle.internal.execution.history.ExecutionHistoryCacheAccess;
import org.gradle.internal.execution.history.ExecutionHistoryStore;
import org.gradle.internal.execution.history.OutputFilesRepository;
import org.gradle.internal.execution.history.OutputsCleaner;
import org.gradle.internal.execution.history.OverlappingOutputDetector;
import org.gradle.internal.execution.history.changes.ExecutionStateChangeDetector;
import org.gradle.internal.execution.history.impl.DefaultExecutionHistoryStore;
import org.gradle.internal.execution.history.impl.DefaultOutputFilesRepository;
import org.gradle.internal.execution.impl.DefaultExecutionEngine;
import org.gradle.internal.execution.steps.AssignWorkspaceStep;
import org.gradle.internal.execution.steps.BuildCacheStep;
import org.gradle.internal.execution.steps.CancelExecutionStep;
import org.gradle.internal.execution.steps.CaptureStateAfterExecutionStep;
import org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep;
import org.gradle.internal.execution.steps.CreateOutputsStep;
import org.gradle.internal.execution.steps.ExecuteStep;
import org.gradle.internal.execution.steps.IdentifyStep;
import org.gradle.internal.execution.steps.IdentityCacheStep;
import org.gradle.internal.execution.steps.LoadPreviousExecutionStateStep;
import org.gradle.internal.execution.steps.RecordOutputsStep;
import org.gradle.internal.execution.steps.RemovePreviousOutputsStep;
import org.gradle.internal.execution.steps.RemoveUntrackedExecutionStateStep;
import org.gradle.internal.execution.steps.ResolveCachingStateStep;
import org.gradle.internal.execution.steps.ResolveChangesStep;
import org.gradle.internal.execution.steps.ResolveInputChangesStep;
import org.gradle.internal.execution.steps.SkipEmptyWorkStep;
import org.gradle.internal.execution.steps.SkipUpToDateStep;
import org.gradle.internal.execution.steps.StoreExecutionStateStep;
import org.gradle.internal.execution.steps.TimeoutStep;
import org.gradle.internal.execution.steps.ValidateStep;
import org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep;
import org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsStartedStep;
import org.gradle.internal.execution.timeout.TimeoutHandler;
import org.gradle.internal.file.Deleter;
import org.gradle.internal.hash.ClassLoaderHierarchyHasher;
import org.gradle.internal.operations.BuildOperationExecutor;
import org.gradle.internal.operations.CurrentBuildOperationRef;
import org.gradle.internal.resources.ResourceLockCoordinationService;
import org.gradle.internal.resources.SharedResourceLeaseRegistry;
import org.gradle.internal.scopeids.id.BuildInvocationScopeId;
import org.gradle.internal.vfs.VirtualFileSystem;
import org.gradle.util.GradleVersion;

import java.util.Collections;
import java.util.function.Supplier;

import static org.gradle.cache.internal.filelock.LockOptionsBuilder.mode;

public class ExecutionGradleServices {
    ExecutionHistoryCacheAccess createCacheAccess(BuildScopedCache cacheRepository) {
        return new DefaultExecutionHistoryCacheAccess(cacheRepository);
    }

    ExecutionHistoryStore createExecutionHistoryStore(
        ExecutionHistoryCacheAccess executionHistoryCacheAccess,
        InMemoryCacheDecoratorFactory inMemoryCacheDecoratorFactory,
        StringInterner stringInterner,
        ClassLoaderHierarchyHasher classLoaderHasher
    ) {
        return new DefaultExecutionHistoryStore(
            executionHistoryCacheAccess,
            inMemoryCacheDecoratorFactory,
            stringInterner,
            classLoaderHasher
        );
    }

    OutputFilesRepository createOutputFilesRepository(BuildScopedCache cacheRepository, InMemoryCacheDecoratorFactory inMemoryCacheDecoratorFactory) {
        PersistentCache cacheAccess = cacheRepository
            .crossVersionCache("buildOutputCleanup")
            .withCrossVersionCache(CacheBuilder.LockTarget.DefaultTarget)
            .withDisplayName("Build Output Cleanup Cache")
            .withLockOptions(mode(FileLockManager.LockMode.OnDemand))
            .withProperties(Collections.singletonMap("gradle.version", GradleVersion.current().getVersion()))
            .open();
        return new DefaultOutputFilesRepository(cacheAccess, inMemoryCacheDecoratorFactory);
    }

    OutputChangeListener createOutputChangeListener(ListenerManager listenerManager) {
        return listenerManager.getBroadcaster(OutputChangeListener.class);
    }

    public ExecutionEngine createExecutionEngine(
        BuildCacheController buildCacheController,
        BuildCancellationToken cancellationToken,
        BuildInvocationScopeId buildInvocationScopeId,
        BuildOperationExecutor buildOperationExecutor,
        BuildOutputCleanupRegistry buildOutputCleanupRegistry,
        GradleEnterprisePluginManager gradleEnterprisePluginManager,
        ClassLoaderHierarchyHasher classLoaderHierarchyHasher,
        CurrentBuildOperationRef currentBuildOperationRef,
        Deleter deleter,
        ExecutionStateChangeDetector changeDetector,
        OutputChangeListener outputChangeListener,
        WorkInputListeners workInputListeners, OutputFilesRepository outputFilesRepository,
        OutputSnapshotter outputSnapshotter,
        OverlappingOutputDetector overlappingOutputDetector,
        TimeoutHandler timeoutHandler,
        ValidateStep.ValidationWarningRecorder validationWarningRecorder,
        VirtualFileSystem virtualFileSystem,
        DocumentationRegistry documentationRegistry
    ) {
        Supplier skipEmptyWorkOutputsCleanerSupplier = () -> new OutputsCleaner(deleter, buildOutputCleanupRegistry::isOutputOwnedByBuild, buildOutputCleanupRegistry::isOutputOwnedByBuild);
        // @formatter:off
        return new DefaultExecutionEngine(documentationRegistry,
            new IdentifyStep<>(
            new IdentityCacheStep<>(
            new AssignWorkspaceStep<>(
            new LoadPreviousExecutionStateStep<>(
            new MarkSnapshottingInputsStartedStep<>(
            new RemoveUntrackedExecutionStateStep<>(
            new SkipEmptyWorkStep(outputChangeListener, workInputListeners, skipEmptyWorkOutputsCleanerSupplier,
            new CaptureStateBeforeExecutionStep<>(buildOperationExecutor, classLoaderHierarchyHasher, outputSnapshotter, overlappingOutputDetector,
            new ValidateStep<>(virtualFileSystem, validationWarningRecorder,
            new ResolveCachingStateStep<>(buildCacheController, gradleEnterprisePluginManager.isPresent(),
            new MarkSnapshottingInputsFinishedStep<>(
            new ResolveChangesStep<>(changeDetector,
            new SkipUpToDateStep<>(
            new RecordOutputsStep<>(outputFilesRepository,
            new StoreExecutionStateStep<>(
            new BuildCacheStep(buildCacheController, deleter, outputChangeListener,
            new ResolveInputChangesStep<>(
            new CaptureStateAfterExecutionStep<>(buildOperationExecutor, buildInvocationScopeId.getId(), outputSnapshotter, outputChangeListener,
            new CreateOutputsStep<>(
            new TimeoutStep<>(timeoutHandler, currentBuildOperationRef,
            new CancelExecutionStep<>(cancellationToken,
            new RemovePreviousOutputsStep<>(deleter, outputChangeListener,
            new ExecuteStep<>(buildOperationExecutor
        ))))))))))))))))))))))));
        // @formatter:on
    }

    SharedResourceLeaseRegistry createSharedResourceLeaseRegistry(ResourceLockCoordinationService coordinationService) {
        return new SharedResourceLeaseRegistry(coordinationService);
    }
}