/*
* Copyright 2017 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.api.internal.tasks;
import org.gradle.api.Nullable;
import org.gradle.internal.operations.BuildOperationType;
import org.gradle.internal.scan.UsedByScanPlugin;
import java.util.List;
import java.util.Map;
/**
* Represents the computation of the task artifact state and the task output caching state.
*
* This operation is executed only when the build cache is enabled.
*
* @since 4.0
*/
@UsedByScanPlugin
public final class SnapshotTaskInputsBuildOperationType implements BuildOperationType<SnapshotTaskInputsBuildOperationType.Details, SnapshotTaskInputsBuildOperationType.Result> {
@UsedByScanPlugin
public interface Details {
/**
* The identity path of the task.
*/
String getTaskPath();
/**
* An ID for the task, that disambiguates it from other tasks with the same path.
*
* Due to a bug in Gradle, two tasks with the same path can be executed.
* This is very problematic for build scans.
* As such, scans need to be able to differentiate between different tasks with the same path.
* The combination of the path and ID does this.
*
* In later versions of Gradle, executing two tasks with the same path will be prevented
* and this value can be noop-ed.
*/
long getTaskId();
}
/**
* The hashes of the inputs.
*
* If the inputs were not snapshotted, all fields are null.
* This may occur if the task had no outputs.
*/
@UsedByScanPlugin
public interface Result {
/**
* The overall hash value for the inputs.
*
* Null if the overall key was not calculated because the inputs were invalid.
*/
@Nullable
String getBuildCacheKey();
/**
* The hash of the the classloader that loaded the task implementation.
*
* Null if the classloader is not managed by Gradle.
*/
@Nullable
String getClassLoaderHash();
/**
* The hashes of the classloader that loaded each of the task's actions.
*
* May contain duplicates.
* Order corresponds to execution order of the actions.
* Never empty.
* May contain nulls (non Gradle managed classloader)
*/
@Nullable
List<String> getActionClassLoaderHashes();
/**
* The class names of each of the task's actions.
*
* May contain duplicates.
* Order corresponds to execution order of the actions.
* Never empty.
*/
@Nullable
List<String> getActionClassNames();
/**
* Hashes of each of the input properties.
*
* key = property name
* value = hash
*
* Ordered by key, lexicographically.
* No null keys or values.
* Never empty.
* Null if the task has no inputs.
*/
@Nullable
Map<String, String> getInputHashes();
/**
* The names of the output properties.
*
* No duplicate values.
* Ordered lexicographically.
* Never empty.
*/
@Nullable
List<String> getOutputPropertyNames();
}
private SnapshotTaskInputsBuildOperationType() {
}
}