Examples with ILookupRowFetchedCallback org.eclipse.scout.rt.shared.services.lookup.ILookupRowFetchedCallback used on opensource projects

Example 1 with ILookupRowFetchedCallback

use of org.eclipse.scout.rt.shared.services.lookup.ILookupRowFetchedCallback in project scout.rt by eclipse.

the class AbstractContentAssistField method newByRecLookupRowProvider.

/**
 * @see LookupCall#getDataByRec()
 */
protected ILookupRowProvider<LOOKUP_KEY> newByRecLookupRowProvider(final LOOKUP_KEY parentKey, final TriState activeState) {
    return new ILookupRowProvider<LOOKUP_KEY>() {

        @SuppressWarnings("unchecked")
        @Override
        public List<ILookupRow<LOOKUP_KEY>> provide(ILookupCall<LOOKUP_KEY> lookupCall) {
            return (List<ILookupRow<LOOKUP_KEY>>) lookupCall.getDataByRec();
        }

        @Override
        public void beforeProvide(ILookupCall<LOOKUP_KEY> lookupCall) {
            prepareRecLookup(lookupCall, parentKey, activeState);
        }

        @Override
        public void afterProvide(ILookupCall<LOOKUP_KEY> lookupCall, List<ILookupRow<LOOKUP_KEY>> result) {
            interceptFilterLookupResult(lookupCall, result);
            interceptFilterRecLookupResult(lookupCall, result);
            cleanupResultList(result);
        }

        @Override
        public void provideSync(ILookupCall<LOOKUP_KEY> lookupCall, ILookupRowFetchedCallback<LOOKUP_KEY> callback) {
            throw new UnsupportedOperationException("Legacy calls not supported");
        }

        @Override
        public IFuture<Void> provideAsync(ILookupCall<LOOKUP_KEY> lookupCall, ILookupRowFetchedCallback<LOOKUP_KEY> callback, ClientRunContext clientRunContext) {
            throw new UnsupportedOperationException("Legacy calls not supported");
        }

        @Override
        public String toString() {
            ToStringBuilder sb = new ToStringBuilder(this).attr("Rec Lookup").attr("parentKey", parentKey).attr("activeState", activeState);
            return sb.toString();
        }
    };
}

Example 2 with ILookupRowFetchedCallback

use of org.eclipse.scout.rt.shared.services.lookup.ILookupRowFetchedCallback in project scout.rt by eclipse.

the class AbstractContentAssistField method newByTextLookupRowProvider.

/**
 * Creates a {@link ILookupRowProvider} to fetch rows matching the given text.
 *
 * @see LookupCall#getDataByText()
 * @see LookupCall#getDataByTextInBackground(ILookupRowFetchedCallback)
 */
protected ILookupRowProvider<LOOKUP_KEY> newByTextLookupRowProvider(final String text) {
    return new ILookupRowProvider<LOOKUP_KEY>() {

        @Override
        public void beforeProvide(ILookupCall<LOOKUP_KEY> lookupCall) {
            prepareTextLookup(lookupCall, text);
        }

        @Override
        public void afterProvide(ILookupCall<LOOKUP_KEY> call, List<ILookupRow<LOOKUP_KEY>> result) {
            interceptFilterLookupResult(call, result);
            interceptFilterTextLookupResult(call, result);
            cleanupResultList(result);
        }

        @Override
        public void provideSync(ILookupCall<LOOKUP_KEY> lookupCall, ILookupRowFetchedCallback<LOOKUP_KEY> callback) {
            callback.onSuccess(provide(lookupCall));
        }

        @Override
        public IFuture<Void> provideAsync(ILookupCall<LOOKUP_KEY> lookupCall, ILookupRowFetchedCallback<LOOKUP_KEY> callback, ClientRunContext clientRunContext) {
            return lookupCall.getDataByTextInBackground(clientRunContext, callback);
        }

        @SuppressWarnings("unchecked")
        @Override
        public List<ILookupRow<LOOKUP_KEY>> provide(ILookupCall<LOOKUP_KEY> lookupCall) {
            return (List<ILookupRow<LOOKUP_KEY>>) lookupCall.getDataByText();
        }

        @Override
        public String toString() {
            ToStringBuilder sb = new ToStringBuilder(this).attr("Text Lookup").attr("text", text);
            return sb.toString();
        }
    };
}

Example 3 with ILookupRowFetchedCallback

use of org.eclipse.scout.rt.shared.services.lookup.ILookupRowFetchedCallback in project scout.rt by eclipse.

the class AbstractSmartField2 method fetchLookupRows.

/**
 * Loads lookup rows according to the specified {@link ILookupRowProvider}, and notifies the specified callback upon
 * fetching completed.
 *
 * @return {@link IFuture} if data is fetched asynchronously, or <code>null</code> for synchronous fetching, or if
 *         using {@link LocalLookupCall}.
 */
private IFuture<Void> fetchLookupRows(final ILookupRowProvider<VALUE> dataProvider, final ILookupRowFetchedCallback<VALUE> callback, final boolean asynchronousFetching, final int maxRowCount) {
    cancelPotentialLookup();
    if (getLookupCall() == null) {
        callback.onSuccess(Collections.<ILookupRow<VALUE>>emptyList());
        return null;
    }
    // Prepare the lookup call.
    final ILookupCall<VALUE> lookupCall = cloneLookupCall();
    lookupCall.setMaxRowCount(maxRowCount > 0 ? maxRowCount : getBrowseMaxRowCount());
    // Prepare processing of the fetched rows.
    final ILookupRowFetchedCallback<VALUE> internalCallback = new ILookupRowFetchedCallback<VALUE>() {

        @Override
        public void onSuccess(final List<? extends ILookupRow<VALUE>> rows) {
            joinModelThreadAndUpdateField(rows, null);
        }

        @Override
        public void onFailure(final RuntimeException e) {
            joinModelThreadAndUpdateField(null, e);
        }

        private void joinModelThreadAndUpdateField(final List<? extends ILookupRow<VALUE>> rows, final RuntimeException exception) {
            if (ModelJobs.isModelThread()) {
                updateField(rows, exception);
            } else {
                // Note: The model job will not commence execution if the current ClientRunContext is or gets cancelled.
                try {
                    ClientRunContext callerRunContext = ClientRunContexts.copyCurrent();
                    if (callerRunContext.getRunMonitor().isCancelled()) {
                        return;
                    }
                    ModelJobs.schedule(new IRunnable() {

                        @Override
                        public void run() throws Exception {
                            updateField(rows, exception);
                        }
                    }, ModelJobs.newInput(callerRunContext).withName("Updating {}", AbstractSmartField2.this.getClass().getName())).awaitDone();
                } catch (ThreadInterruptedError e) {
                    /*
            This state can be reached by a race condition when the job's RunMonitor is in canceled state and later the ModelJob is run.
            This yields to a Thread.interrupt in the RunContext.ThreadInterrupter...
            
            at RunContext$ThreadInterrupter.cancel(boolean) line: 563
            at RunMonitor.cancel(ICancellable, boolean) line: 160
            at RunMonitor.registerCancellable(ICancellable) line: 104  <---------------------
            at RunContext$ThreadInterrupter.<init>(Thread, RunMonitor) line: 545
            at ClientRunContext(RunContext).call(Callable<RESULT>, Class<IExceptionTranslator<EXCEPTION>>) line: 154
            at RunContextRunner<RESULT>.intercept(Chain<RESULT>) line: 38
            
            which itself causes the running job to be interrupted with a InterruptedException
            
            at org.eclipse.scout.rt.platform.job.internal.JobExceptionTranslator.translateInterruptedException(JobExceptionTranslator.java:49)
            at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.awaitDone(JobFutureTask.java:339)
            at org.eclipse.scout.rt.client.ui.form.fields.smartfield2.AbstractSmartField2$7.joinModelThreadAndUpdateField(AbstractSmartField2.java:1598)
            at org.eclipse.scout.rt.client.ui.form.fields.smartfield2.AbstractSmartField2$7.onSuccess(AbstractSmartField2.java:1575)
            at org.eclipse.scout.rt.shared.services.lookup.LookupCall.loadData(LookupCall.java:437)
            at org.eclipse.scout.rt.shared.services.lookup.LookupCall$5.run(LookupCall.java:417)
            */
                    return;
                }
            }
        }

        private void updateField(final List<? extends ILookupRow<VALUE>> rows, final RuntimeException exception) {
            try {
                if (exception != null) {
                    // throw to handle exception at the end.
                    throw exception;
                }
                final List<ILookupRow<VALUE>> result = new ArrayList<>(rows);
                dataProvider.afterProvide(lookupCall, result);
                callback.onSuccess(result);
            } catch (FutureCancelledError | ThreadInterruptedError e) {
                // NOSONAR
                callback.onSuccess(Collections.<ILookupRow<VALUE>>emptyList());
            } catch (final RuntimeException e) {
                callback.onFailure(e);
            }
        }
    };
    // Start fetching lookup rows.
    IFuture<Void> asyncLookupFuture = null;
    try {
        dataProvider.beforeProvide(lookupCall);
        if (asynchronousFetching) {
            asyncLookupFuture = dataProvider.provideAsync(lookupCall, internalCallback, ClientRunContexts.copyCurrent());
        } else {
            dataProvider.provideSync(lookupCall, internalCallback);
            asyncLookupFuture = null;
        }
    } catch (final RuntimeException e) {
        internalCallback.onFailure(e);
        asyncLookupFuture = null;
    }
    m_lookupFuture = asyncLookupFuture;
    return asyncLookupFuture;
}

Example 4 with ILookupRowFetchedCallback

use of org.eclipse.scout.rt.shared.services.lookup.ILookupRowFetchedCallback in project scout.rt by eclipse.

the class AbstractSmartField2 method newByRecLookupRowProvider.

/**
 * @see LookupCall#getDataByRec()
 */
protected ILookupRowProvider<VALUE> newByRecLookupRowProvider(final VALUE parentKey, final TriState activeState) {
    return new ILookupRowProvider<VALUE>() {

        @SuppressWarnings("unchecked")
        @Override
        public List<ILookupRow<VALUE>> provide(ILookupCall<VALUE> lookupCall) {
            return (List<ILookupRow<VALUE>>) lookupCall.getDataByRec();
        }

        @Override
        public void beforeProvide(ILookupCall<VALUE> lookupCall) {
            prepareRecLookup(lookupCall, parentKey, activeState);
        }

        @Override
        public void afterProvide(ILookupCall<VALUE> lookupCall, List<ILookupRow<VALUE>> result) {
            interceptFilterLookupResult(lookupCall, result);
            interceptFilterRecLookupResult(lookupCall, result);
            cleanupResultList(result);
        }

        @Override
        public void provideSync(ILookupCall<VALUE> lookupCall, ILookupRowFetchedCallback<VALUE> callback) {
            throw new UnsupportedOperationException("Legacy calls not supported");
        }

        @Override
        public IFuture<Void> provideAsync(ILookupCall<VALUE> lookupCall, ILookupRowFetchedCallback<VALUE> callback, ClientRunContext clientRunContext) {
            throw new UnsupportedOperationException("Legacy calls not supported");
        }

        @Override
        public String toString() {
            ToStringBuilder sb = new ToStringBuilder(this).attr("Rec Lookup").attr("parentKey", parentKey).attr("activeState", activeState);
            return sb.toString();
        }
    };
}

Example 5 with ILookupRowFetchedCallback

use of org.eclipse.scout.rt.shared.services.lookup.ILookupRowFetchedCallback in project scout.rt by eclipse.

the class SmartFieldLookupTest method testTextLookupExceptions_InBackground.

@SuppressWarnings("unchecked")
@Test
public void testTextLookupExceptions_InBackground() throws InterruptedException {
    m_field.setLookupCall(new TestLookupCall());
    final String errorText = "lookup error";
    when(m_mock_service.getDataByText(any(ILookupCall.class))).thenThrow(new PlatformException(errorText));
    final IBlockingCondition bc = Jobs.newBlockingCondition(true);
    ILookupRowFetchedCallback callback = new ILookupRowFetchedCallback<Long>() {

        @Override
        public void onSuccess(List<? extends ILookupRow<Long>> rows) {
            Assert.fail("no exception thrown");
            bc.setBlocking(false);
        }

        @Override
        public void onFailure(RuntimeException exception) {
            assertTrue(exception instanceof PlatformException);
            assertEquals(errorText, exception.getMessage());
            bc.setBlocking(false);
        }
    };
    m_field.callTextLookupInBackground("", 10, callback);
    bc.waitFor();
}