Examples of com.amazonaws.services.simpleworkflow.flow.core.Task

Package com.amazonaws.services.simpleworkflow.flow.core

Examples of com.amazonaws.services.simpleworkflow.flow.core.Task

com.amazonaws.services.simpleworkflow.flow.core.Task
Asynchronous task that is executed when all {@link Promise}s passed to its constructor are ready (null parameter is considered ready).
Should be created in the context of {@link AsyncScope#doAsync()} method, from{@link Task#doExecute()} or from {@link TryCatchFinally} do... methods.Exceptions thrown from {@link #doExecute()} are delivered asynchronously tothe wrapping {@link TryCatchFinally#doCatch(Throwable)} method or rethrownfrom {@link AsyncScope#eventLoop()} if no wrapping {@link TryCatchFinally} isfound.
Example of using {@link Task} to implement asynchronous function that sumsparameters when both of them are ready:
```
  public Promise<Integer> sum(Promise<Integer> a, Promise<Integer> b) { Settable<Integer> result = new Settable<Integer>(); new Task(a, b) { public void doExecute() { result.set(a.get() + b.get()); } }; return result; }  
```
@see AsyncScope @see TryCatchFinally @see Promise

            }
        };
    }


    public static void assertArrayEqualsWaitFor(final Object[] expected, final Object[] actual, Promise<?>... waitFor) {
        new Task(waitFor) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertArrayEquals(expected, actual);
            }

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            }
        };
    }


    public static void assertArrayEquals(final Object[] expected, final Promise<Object[]> actual) {
        new Task(actual) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertArrayEquals(expected, actual.get());
            }

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        };
    }


    static public void assertEqualsWaitFor(final String message, final double expected, final double actual, final double delta,
            Promise<?>... waitFor) {
        new Task(waitFor) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertEquals(message, expected, actual, delta);
            }

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            }
        };
    }


    static public void assertEquals(final String message, final double expected, final Promise<Double> actual, final double delta) {
        new Task(actual) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertEquals(message, expected, actual.get(), delta);
            }

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            }
        };
    }


    static public void assertEqualsWaitFor(final double expected, final double actual, final double delta, Promise<?>... waitFor) {
        new Task(waitFor) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertEquals(expected, actual, delta);
            }

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            }
        };
    }


    static public void assertEquals(final double expected, final Promise<Double> actual, final double delta) {
        new Task(actual) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertEquals(expected, actual.get(), delta);
            }

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            }
        };
    }


    static public void assertNotNullWaitFor(final String message, final Object object, Promise<?>... waitFor) {
        new Task(waitFor) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertNotNull(message, object);
            }

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     * @param object
     *            Object to check or <code>null</code>
     */
    static public void assertNotNull(final String message, final Promise<Object> object) {
        Assert.assertNotNull(message, object);
        new Task(object) {


            @Override
            protected void doExecute() throws Throwable {
                Assert.assertNotNull(message, object.get());
            }

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                // makes the whole branch non cancelable which is usually 
                // not intended. 
                invoked.set(lastInvocationTime);
            }
        };
        new Task(invoked) {
            @Override
            protected void doExecute() throws Throwable {
                scheduleNext(command, startTime, pastInvocationsCount + 1, invoked);
            }
        };

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            }
        }


        if (delay > 0) {
            Promise<Void> timer = clock.createTimer(delay);
            new Task(timer) {


                @Override
                protected void doExecute() throws Throwable {
                    invoke(command, attempt, firstAttemptTime);
                }

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