Package org.eclipse.xtext.util.concurrent

Interface IWriteAccess<State>

    • Method Summary

      All Methods Instance Methods Abstract Methods Default Methods 
      Modifier and Type Method Description
      <Result> Result modify​(IUnitOfWork<Result,​State> work)
      Modifies the State by executing work on it.
      default <Result> Result tryModify​(IUnitOfWork<Result,​State> work)
      Tries to modify the State by executing work on it.
      default <Result> Result tryModify​(IUnitOfWork<Result,​State> work, java.util.function.Supplier<? extends Result> defaultResult)
      Tries to modify the State by executing work on it.
      default <Result> Result tryModify​(IUnitOfWork<Result,​State> work, java.util.function.Supplier<? extends Result> defaultResult, java.util.function.Function<? super java.lang.Exception,​? extends Result> exceptionHandler)
      Tries to modify the State by executing work on it.

    • Method Detail

      • modify

        <Result> Result modify​(IUnitOfWork<Result,​State> work)
        Modifies the State by executing work on it. WARNING: the State passed to work can be null.
        Parameters:
        work - Work that modifies the State
        Returns:
        The result of executing work
        Since:
        2.7

      • tryModify

        default <Result> Result tryModify​(IUnitOfWork<Result,​State> work,
                                  java.util.function.Supplier<? extends Result> defaultResult)
        Tries to modify the State by executing work on it.
        Parameters:
        work - Work that modifies the State
        defaultResult - Supplies a result in case the State is null
        Returns:
        The result of executing work, or the result of querying defaultResult if the State is null
        Since:
        2.14

      • tryModify

        default <Result> Result tryModify​(IUnitOfWork<Result,​State> work)
        Tries to modify the State by executing work on it.
        Parameters:
        work - Work that modifies the State
        Returns:
        The result of executing work, or null if the State is null
        Since:
        2.15

      • tryModify

        default <Result> Result tryModify​(IUnitOfWork<Result,​State> work,
                                  java.util.function.Supplier<? extends Result> defaultResult,
                                  java.util.function.Function<? super java.lang.Exception,​? extends Result> exceptionHandler)
        Tries to modify the State by executing work on it.
        Parameters:
        work - Work that modifies the State
        defaultResult - Supplies a result in case the State is null
        exceptionHandler - Supplies a result in case an exception is raised during execution
        Returns:
        The result of executing work, the result of querying defaultResult if the State is null, or the result of executing exceptionHandler in case an exception is raised
        Since:
        2.14