# Javadoc

@CacheableTask
abstract class Javadoc : SourceTask(source)

Generates HTML API documentation for Java classes.

If you create your own Javadoc tasks remember to specify the 'source' property! Without source the Javadoc task will not create any documentation. Example:

    plugins {
        id 'java'
    }

    task myJavadocs(type: Javadoc) {
      source = sourceSets.main.allJava
    }

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An example how to create a task that runs a custom doclet implementation:

    plugins {
        id 'java'
    }

    configurations {
      jaxDoclet
    }

    dependencies {
      // jaxDoclet "some.interesting:Dependency:1.0"
    }

    task generateRestApiDocs(type: Javadoc) {
      source = sourceSets.main.allJava

      options.docletpath = configurations.jaxDoclet.files.asType(List)
      options.doclet = "com.lunatech.doclets.jax.jaxrs.JAXRSDoclet"
      options.addStringOption("jaxrscontext", "http://localhost:8080/myapp")
    }

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## Constructors

Javadoc
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constructor()

## Properties

classpath
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@get:Classpath
open var classpath: FileCollection
conventionMapping
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open val conventionMapping: @Nullable ConventionMapping
description
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@get:Nullable
open var description: @Nullable String
destinationDir
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@Nullable
@get:Internal
@get:Nullable
open var destinationDir: @Nullable File
enabled
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open var enabled: Boolean
executable
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@Nullable
@get:Nullable
@get:Optional
@get:Input
open var executable: @Nullable String
extra
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val ExtensionAware.extra: ExtraPropertiesExtension

The extra properties extension in this object's extension container.

group
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@get:Nullable
open var group: @Nullable String
impliesSubProjects
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open var impliesSubProjects: Boolean
maxMemory
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@Nullable
@get:Internal
@get:Nullable
open var maxMemory: @Nullable String
modularity
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val modularity: ModularitySpec
state
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val state: TaskStateInternal
TASK_ACTION
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val TASK_ACTION: String = "action"
TASK_CONSTRUCTOR_ARGS
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val TASK_CONSTRUCTOR_ARGS: String = "constructorArgs"
Constructor arguments for the Task
TASK_DEPENDS_ON
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val TASK_DEPENDS_ON: String = "dependsOn"
TASK_DESCRIPTION
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val TASK_DESCRIPTION: String = "description"
TASK_GROUP
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val TASK_GROUP: String = "group"
TASK_NAME
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val TASK_NAME: String = "name"
TASK_OVERWRITE
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val TASK_OVERWRITE: String = "overwrite"
TASK_TYPE
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val TASK_TYPE: String = "type"
timeout
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val timeout: Property<Duration>
title
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@Nullable
@get:Nullable
@get:Optional
@get:Input
open var title: @Nullable String

## Functions

acceptServiceReferences
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open fun acceptServiceReferences(serviceReferences: Set<ServiceReferenceSpec>)
appendParallelSafeAction
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open fun appendParallelSafeAction(action: Action<in Task>)
compareTo
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open fun compareTo(otherTask: Task): Int
open fun compareTo(otherTask: Task): Int
configure
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open fun configure(closure: Closure): Task
abstract fun configure(configureClosure: Closure): Task
open fun configure(closure: Closure): Task
Applies the statements of the closure against this task object.
abstract fun configure(cl: Closure): T
configure
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inline fun <T : Any> ExtensionAware.configure(noinline configuration: T.() -> Unit)

Executes the given configuration block against the extension of the specified type.

conventionMapping
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open fun conventionMapping(property: String, mapping: Callable<out Any>): Task
dependsOn
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open fun dependsOn(paths: Array<Any>): Task
open fun dependsOn(paths: Array<Any>): Task
Adds the given dependencies to this task.
doFirst
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open fun doFirst(action: Closure): Task
abstract fun doFirst(@DelegatesTo(value = Task::class) action: Closure): Task
Adds the given closure to the beginning of this task's action list.
open fun doFirst(action: Action<in Task>): Task
open fun doFirst(actionName: String, action: Action<in Task>): Task
open fun doFirst(action: Action<in Task>): Task
Adds the given Action to the beginning of this task's action list.
doLast
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open fun doLast(action: Closure): Task
abstract fun doLast(@DelegatesTo(value = Task::class) action: Closure): Task
Adds the given closure to the end of this task's action list.
open fun doLast(action: Action<in Task>): Task
open fun doLast(actionName: String, action: Action<in Task>): Task
open fun doLast(action: Action<in Task>): Task
Adds the given Action to the end of this task's action list.
doNotTrackState
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abstract fun doNotTrackState(reasonNotToTrackState: String)
open fun doNotTrackState(reasonNotToTrackState: String)
Do not track the state of the task.
doNotTrackStateIf
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open fun doNotTrackStateIf(reason: String, spec: Spec<in TaskInternal>)
exclude
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open fun exclude(excludeSpec: Closure): SourceTask
open fun exclude(excludeSpec: Spec<FileTreeElement>): SourceTask
abstract fun exclude(excludeSpec: Closure): PatternFilterable
abstract fun exclude(excludeSpec: Spec<FileTreeElement>): PatternFilterable
Adds an exclude spec.
open fun exclude(excludes: Iterable<String>): SourceTask
open fun exclude(excludes: Array<String>): SourceTask
abstract fun exclude(excludes: Iterable<String>): PatternFilterable
abstract fun exclude(excludes: Array<String>): PatternFilterable
Adds an ANT style exclude pattern.
finalizedBy
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open fun finalizedBy(paths: Array<Any>): Task
open fun finalizedBy(paths: Array<Any>): Task
Adds the given finalizer tasks for this task.
getActions
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open fun getActions(): List<Action<in Task>>
open fun getActions(): List<Action<in Task>>
Returns the sequence of Action objects which will be executed by this task, in the order of execution.
getAnt
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open fun getAnt(): AntBuilder
open fun getAnt(): AntBuilder
Returns the `AntBuilder` for this task.
getAsDynamicObject
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open fun getAsDynamicObject(): DynamicObject
getDependsOn
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open fun getDependsOn(): Set<Any>
open fun getDependsOn(): Set<Any>
Returns the dependencies of this task.
getDestroyables
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open fun getDestroyables(): TaskDestroyables
open fun getDestroyables(): TaskDestroyables
Returns the destroyables of this task.
getDidWork
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open fun getDidWork(): Boolean
open fun getDidWork(): Boolean
Checks if the task actually did any work.
getExcludes
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@Internal
open fun getExcludes(): Set<String>
Returns the set of exclude patterns.
getExtensions
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open fun getExtensions(): ExtensionContainer
open fun getExtensions(): ExtensionContainer
The container of extensions.
getFinalizedBy
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open fun getFinalizedBy(): TaskDependency
open fun getFinalizedBy(): TaskDependency
Returns tasks that finalize this task.
getIdentityPath
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open fun getIdentityPath(): Path
getIncludes
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@Internal
open fun getIncludes(): Set<String>
Returns the set of include patterns.
getInputs
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open fun getInputs(): TaskInputsInternal
@Internal
abstract fun getInputs(): TaskInputs
open fun getInputs(): TaskInputsInternal
Returns the inputs of this task.
getJavadocTool
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abstract fun getJavadocTool(): Property<JavadocTool>
Configures the javadoc executable to be used to generate javadoc documentation.
getLifecycleDependencies
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open fun getLifecycleDependencies(): TaskDependencyInternal
abstract fun getLifecycleDependencies(): TaskDependency
getLocalState
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open fun getLocalState(): TaskLocalState
open fun getLocalState(): TaskLocalState
Returns the local state of this task.
getLogger
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open fun getLogger(): Logger
open fun getLogger(): Logger
Returns the logger for this task.
getLogging
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open fun getLogging(): LoggingManager
open fun getLogging(): LoggingManager
Returns the org.gradle.api.logging.LoggingManager which can be used to receive logging and to control the standard output/error capture for this task.
getMustRunAfter
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open fun getMustRunAfter(): TaskDependency
open fun getMustRunAfter(): TaskDependency
Returns tasks that this task must run after.
getName
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open fun getName(): String
open fun getName(): String
Returns the name of this task.
getOnlyIf
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open fun getOnlyIf(): Spec<in TaskInternal>
getOptions
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open fun getOptions(): MinimalJavadocOptions
Returns the Javadoc generation options.
getOptionsFile
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@Internal
open fun getOptionsFile(): File
getOutputs
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open fun getOutputs(): TaskOutputsInternal
@Internal
abstract fun getOutputs(): TaskOutputs
open fun getOutputs(): TaskOutputsInternal
Returns the outputs of this task.
getPath
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open fun getPath(): String
open fun getPath(): String
Returns the path of the task, which is a fully qualified name for the task.
getProject
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open fun getProject(): Project
open fun getProject(): Project
Returns the Project which this task belongs to.
getReasonNotToTrackState
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open fun getReasonNotToTrackState(): Optional<String>
getReasonsNotToTrackState
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open fun getReasonsNotToTrackState(): Set<String>
getReasonTaskIsIncompatibleWithConfigurationCache
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open fun getReasonTaskIsIncompatibleWithConfigurationCache(): Optional<String>
getRequiredServices
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open fun getRequiredServices(): TaskRequiredServices
getSharedResources
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open fun getSharedResources(): List<ResourceLock>
abstract fun getSharedResources(): List<out ResourceLock>
getShouldRunAfter
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open fun getShouldRunAfter(): TaskDependency
open fun getShouldRunAfter(): TaskDependency
Returns tasks that this task should run after.
getSource
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@PathSensitive(value = PathSensitivity.RELATIVE)
open fun getSource(): FileTree
Returns the source for this task, after the include and exclude patterns have been applied.
getStandardOutputCapture
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open fun getStandardOutputCapture(): StandardOutputCapture
getState
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@Internal
abstract fun getState(): TaskState
Returns the execution state of this task.
getTaskActions
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open fun getTaskActions(): List<InputChangesAwareTaskAction>
getTaskDependencies
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open fun getTaskDependencies(): TaskDependencyInternal
@Internal
abstract fun getTaskDependencies(): TaskDependency
open fun getTaskDependencies(): TaskDependencyInternal
Returns a TaskDependency which contains all the tasks that this task depends on.
getTaskIdentity
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open fun getTaskIdentity(): TaskIdentity<out Any>
getTemporaryDir
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open fun getTemporaryDir(): File
open fun getTemporaryDir(): File
Returns a directory which this task can use to write temporary files to.
getTemporaryDirFactory
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open fun getTemporaryDirFactory(): Factory<File>
hasProperty
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open fun hasProperty(propertyName: String): Boolean
open fun hasProperty(propertyName: String): Boolean
Determines if this task has the given property.
hasTaskActions
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open fun hasTaskActions(): Boolean
include
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open fun include(includeSpec: Closure): SourceTask
open fun include(includeSpec: Spec<FileTreeElement>): SourceTask
abstract fun include(includeSpec: Closure): PatternFilterable
abstract fun include(includeSpec: Spec<FileTreeElement>): PatternFilterable
Adds an include spec.
open fun include(includes: Iterable<String>): SourceTask
open fun include(includes: Array<String>): SourceTask
abstract fun include(includes: Iterable<String>): PatternFilterable
abstract fun include(includes: Array<String>): PatternFilterable
Adds an ANT style include pattern.
injectIntoNewInstance
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open fun <T : Task?> injectIntoNewInstance(project: ProjectInternal, identity: TaskIdentity<T>, factory: Callable<T>): T
isCompatibleWithConfigurationCache
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open fun isCompatibleWithConfigurationCache(): Boolean
isEnabled
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open fun isEnabled(): Boolean
isFailOnError
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@Input
open fun isFailOnError(): Boolean
Specifies whether this task should fail when errors are encountered during Javadoc generation.
isHasCustomActions
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open fun isHasCustomActions(): Boolean
mustRunAfter
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open fun mustRunAfter(paths: Array<Any>): Task
open fun mustRunAfter(paths: Array<Any>): Task
Specifies that this task must run after all of the supplied tasks.
notCompatibleWithConfigurationCache
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abstract fun notCompatibleWithConfigurationCache(reason: String)
open fun notCompatibleWithConfigurationCache(reason: String)
Specifies that this task is not compatible with the configuration cache.
onlyIf
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open fun onlyIf(onlyIfClosure: Closure)
abstract fun onlyIf(onlyIfClosure: Closure<out Any>)
open fun onlyIf(onlyIfClosure: Closure)
Execute the task only if the given closure returns true.
open fun onlyIf(spec: Spec<in Task>)
open fun onlyIf(onlyIfReason: String, spec: Spec<in Task>)
abstract fun onlyIf(onlyIfSpec: Spec<in Task>)
@Incubating
abstract fun onlyIf(onlyIfReason: String, onlyIfSpec: Spec<in Task>)
Execute the task only if the given spec is satisfied.
options
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open fun options(@DelegatesTo(value = MinimalJavadocOptions::class) block: Closure<out Any>)
open fun options(action: Action<in MinimalJavadocOptions>)
Convenience method for configuring Javadoc generation options.
prependParallelSafeAction
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open fun prependParallelSafeAction(action: Action<in Task>)
property
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open fun property(propertyName: String): Any
open fun property(propertyName: String): Any
Returns the value of the given property of this task.
restoreOnlyIf
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open fun restoreOnlyIf(onlyIf: Spec<in TaskInternal>)
restoreTaskActions
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open fun restoreTaskActions(taskActions: List<InputChangesAwareTaskAction>)
setActions
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open fun setActions(replacements: List<Action<in Task>>)
abstract fun setActions(actions: List<Action<in Task>>)
open fun setActions(replacements: List<Action<in Task>>)
Sets the sequence of Action objects which will be executed by this task.
setDependsOn
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open fun setDependsOn(dependsOn: Iterable<out Any>)
abstract fun setDependsOn(dependsOnTasks: Iterable<out Any>)
open fun setDependsOn(dependsOn: Iterable<out Any>)
Sets the dependencies of this task.
setDidWork
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open fun setDidWork(didWork: Boolean)
open fun setDidWork(didWork: Boolean)
Sets whether the task actually did any work.
setExcludes
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open fun setExcludes(excludes: Iterable<String>): SourceTask
abstract fun setExcludes(excludes: Iterable<String>): PatternFilterable
Set the allowable exclude patterns.
setFailOnError
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open fun setFailOnError(failOnError: Boolean)
setFinalizedBy
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open fun setFinalizedBy(finalizedByTasks: Iterable<out Any>)
abstract fun setFinalizedBy(finalizedBy: Iterable<out Any>)
open fun setFinalizedBy(finalizedByTasks: Iterable<out Any>)
Specifies the set of finalizer tasks for this task.
setIncludes
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open fun setIncludes(includes: Iterable<String>): SourceTask
abstract fun setIncludes(includes: Iterable<String>): PatternFilterable
Set the allowable include patterns.
setMustRunAfter
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open fun setMustRunAfter(mustRunAfterTasks: Iterable<out Any>)
abstract fun setMustRunAfter(mustRunAfter: Iterable<out Any>)
open fun setMustRunAfter(mustRunAfterTasks: Iterable<out Any>)
Specifies the set of tasks that this task must run after.
setOnlyIf
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open fun setOnlyIf(onlyIfClosure: Closure)
abstract fun setOnlyIf(onlyIfClosure: Closure<out Any>)
Execute the task only if the given closure returns true.
open fun setOnlyIf(spec: Spec<in Task>)
open fun setOnlyIf(onlyIfReason: String, spec: Spec<in Task>)
abstract fun setOnlyIf(onlyIfSpec: Spec<in Task>)
@Incubating
abstract fun setOnlyIf(onlyIfReason: String, onlyIfSpec: Spec<in Task>)
open fun setOnlyIf(spec: Spec<in Task>)
Execute the task only if the given spec is satisfied.
setProperty
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open fun setProperty(name: String, value: Any)
open fun setProperty(name: String, value: Any)
Sets a property of this task.
setShouldRunAfter
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open fun setShouldRunAfter(shouldRunAfterTasks: Iterable<out Any>)
abstract fun setShouldRunAfter(shouldRunAfter: Iterable<out Any>)
open fun setShouldRunAfter(shouldRunAfterTasks: Iterable<out Any>)
Specifies the set of tasks that this task should run after.
setSource
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open fun setSource(source: Any)
open fun setSource(source: FileTree)
Sets the source for this task.
shouldRunAfter
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open fun shouldRunAfter(paths: Array<Any>): TaskDependency
open fun shouldRunAfter(paths: Array<Any>): TaskDependency
Specifies that this task should run after all of the supplied tasks.
source
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open fun source(@Nullable sources: Array<@Nullable Any>): SourceTask
Adds some source to this task.
the
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inline fun <T : Any> ExtensionAware.the(): T

Returns the extension of the specified type.

fun <T : Any> ExtensionAware.the(extensionType: KClass<T>): T

Returns the extension of the specified extensionType.

usesService
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open fun usesService(service: Provider<out BuildService<out Any>>)
open fun usesService(service: Provider<out BuildService<out Any>>)
Registers a BuildService that is used by this task so its constraint on parallel execution can be honored.