Packages

  • package root
    Definition Classes
    root
  • package org
    Definition Classes
    root
  • package opalj

    OPAL is a Scala-based framework for the static analysis, manipulation and creation of Java bytecode.

    OPAL is a Scala-based framework for the static analysis, manipulation and creation of Java bytecode. OPAL is designed with performance, scalability and adaptability in mind.

    Its main components are:

    • a library (Common) which provides generally useful data-structures and algorithms for static analyses.
    • a framework for implementing lattice based static analyses (Static Analysis Infrastructure)
    • a framework for parsing Java bytecode (Bytecode Infrastructure) that can be used to create arbitrary representations.
    • a library to create a one-to-one in-memory representation of Java bytecode (Bytecode Disassembler).
    • a library to create a representation of Java bytecode that facilitates writing simple static analyses (Bytecode Representation - org.opalj.br).
    • a scalable, easily customizable framework for the abstract interpretation of Java bytecode (Abstract Interpretation Framework - org.opalj.ai).
    • a library to extract dependencies between code elements and to facilitate checking architecture definitions.
    • a library for the lightweight manipulation and creation of Java bytecode (Bytecode Assembler).

    General Design Decisions

    Thread Safety

    Unless explicitly noted, OPAL is thread safe. I.e., the classes defined by OPAL can be considered to be thread safe unless otherwise stated. (For example, it is possible to read and process class files concurrently without explicit synchronization on the client side.)

    No null Values

    Unless explicitly noted, OPAL does not null values I.e., fields that are accessible will never contain null values and methods will never return null. If a method accepts null as a value for a parameter or returns a null value it is always explicitly documented. In general, the behavior of methods that are passed null values is undefined unless explicitly documented.

    No Typecasts for Collections

    For efficiency reasons, OPAL sometimes uses mutable data-structures internally. After construction time, these data-structures are generally represented using their generic interfaces (e.g., scala.collection.{Set,Map}). However, a downcast (e.g., to add/remove elements) is always forbidden as it would effectively prevent thread-safety.

    Assertions

    OPAL makes heavy use of Scala's Assertion Facility to facilitate writing correct code. Hence, for production builds (after thorough testing(!)) it is highly recommend to build OPAL again using -Xdisable-assertions.

    Definition Classes
    org
  • package concurrent

    Common constants, factory methods and objects used throughout OPAL when performing concurrent computations.

    Common constants, factory methods and objects used throughout OPAL when performing concurrent computations.

    Definition Classes
    opalj
  • ConcurrentExceptions
  • ConcurrentTasks
  • Locking
  • OPALThreadPoolExecutor
  • SequentialTasks
  • Tasks
c

org.opalj.concurrent

ConcurrentTasks

final class ConcurrentTasks[T] extends Tasks[T]

Executes the given function process for each submitted value of type T. The process function can add further values that should be processed.

Self Type
ConcurrentTasks[T]
Example: 

  1. val tasks = new Tasks[T] { (tasks : Tasks[T], t : T) ⇒
         // do something with t
         if (<some condition>) { tasks.submit(nextT) }
     }
val exceptions = tasks.join()
Linear Supertypes
Tasks[T], AnyRef, Any
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Inherited
  1. ConcurrentTasks
  2. Tasks
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ConcurrentTasks(process: (Tasks[T], T) ⇒ Unit, abortOnExceptions: Boolean = false, isInterrupted: () ⇒ Boolean = ...)(implicit executionContext: ExecutionContext)

    process

    A function that is given a value of type T and this instance of Tasks. Tasks can be used to submit further values of type T.

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def abortDueToExternalException(exception: Throwable): Unit
    Definition Classes
    ConcurrentTasks → Tasks
  5. val abortOnExceptions: Boolean
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  8. def currentExceptions: ConcurrentExceptions
    Definition Classes
    ConcurrentTasks → Tasks
  9. def currentTasksCount: Int

    Returns the current tasks count; primarily intended to be used for debugging purposes!

    Returns the current tasks count; primarily intended to be used for debugging purposes!

    Definition Classes
    ConcurrentTasks → Tasks
  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  12. implicit val executionContext: ExecutionContext
  13. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  14. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. def hasExceptions: Boolean
    Definition Classes
    ConcurrentTasks → Tasks
  16. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  17. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  18. def join(): Unit

    Blocks the calling thread until all sbumitted tasks as well as those tasks that are created while processing tasks have been processed.

    Blocks the calling thread until all sbumitted tasks as well as those tasks that are created while processing tasks have been processed.

    join must not be called by a thread that actually executes a task!

    Definition Classes
    ConcurrentTasks → Tasks
  19. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  20. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  21. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  22. val process: (Tasks[T], T) ⇒ Unit
  23. def submit(t: T): Unit
    Definition Classes
    ConcurrentTasks → Tasks
  24. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  25. def toString(): String
    Definition Classes
    AnyRef → Any
  26. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  27. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  28. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )

Inherited from Tasks[T]

Inherited from AnyRef

Inherited from Any

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