| /******************************************************************************* |
| * Copyright (c) 2010, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 474274 |
| ******************************************************************************/ |
| package org.eclipse.e4.core.internal.tests.contexts.inject; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| |
| import org.eclipse.e4.core.contexts.ContextInjectionFactory; |
| import org.eclipse.e4.core.contexts.EclipseContextFactory; |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.core.di.annotations.GroupUpdates; |
| import org.junit.Test; |
| |
| public class GroupedUpdatesTest { |
| |
| |
| static class InjectTarget { |
| public int countMain = 0; |
| public int countSecondary = 0; |
| |
| public String s1; |
| public String s2; |
| |
| public void resetCounters() { |
| countMain = 0; |
| countSecondary = 0; |
| } |
| } |
| |
| |
| static class InjectTargetImmediate extends InjectTarget { |
| @Inject |
| void setInfo(@Named("string1") String s, @Named("string2") String s2) { |
| countMain++; |
| this.s1 = s; |
| this.s2 = s2; |
| } |
| @Inject |
| void setInfoSecondary(@Named("string2") String s2) { |
| countSecondary++; |
| this.s2 = s2; |
| } |
| } |
| |
| static class InjectTargetWait extends InjectTarget { |
| @Inject @GroupUpdates |
| void setInfo(@Named("string1") String s, @Named("string2") String s2) { |
| countMain++; |
| this.s1 = s; |
| this.s2 = s2; |
| } |
| |
| @Inject @GroupUpdates |
| void setInfoSecondary(@Named("string2") String s2) { |
| countSecondary++; |
| this.s2 = s2; |
| } |
| } |
| |
| @Test |
| public void testNoGrouping() { |
| IEclipseContext context = EclipseContextFactory.create(); |
| context.set("string1", "x"); |
| context.set("string2", "y"); |
| |
| InjectTarget target = new InjectTargetImmediate(); |
| ContextInjectionFactory.inject(target, context); |
| assertEquals(1, target.countMain); |
| |
| target.resetCounters(); |
| |
| // I want these two sets to be one transaction |
| context.set("string1", "a"); |
| context.set("string2", "b"); |
| assertEquals(2, target.countMain); |
| assertEquals(1, target.countSecondary); |
| context.processWaiting(); |
| assertEquals(2, target.countMain); |
| assertEquals(1, target.countSecondary); |
| } |
| |
| @Test |
| public void testGrouping() { |
| final IEclipseContext context = EclipseContextFactory.create(); |
| context.set("string1", "x"); |
| context.set("string2", "y"); |
| |
| InjectTarget target = new InjectTargetWait(); |
| ContextInjectionFactory.inject(target, context); |
| assertEquals(1, target.countMain); |
| |
| target.resetCounters(); |
| |
| context.set("string1", "a"); |
| context.set("string2", "b"); |
| |
| assertEquals(0, target.countMain); |
| assertEquals(0, target.countSecondary); |
| |
| context.processWaiting(); |
| |
| assertEquals(1, target.countMain); |
| assertEquals(1, target.countSecondary); |
| |
| // do it again to make sure we properly cleared waiting updates |
| context.processWaiting(); |
| assertEquals(1, target.countMain); |
| assertEquals(1, target.countSecondary); |
| |
| // now with 3 updates |
| target.resetCounters(); |
| context.set("string1", "x"); |
| context.set("string2", "y"); |
| context.set("string2", "z"); |
| context.set("string1", "delta"); |
| |
| assertEquals(0, target.countMain); |
| assertEquals(0, target.countSecondary); |
| |
| context.processWaiting(); |
| |
| assertEquals(1, target.countMain); |
| assertEquals(1, target.countSecondary); |
| |
| assertEquals(target.s1, "delta"); |
| assertEquals(target.s2, "z"); |
| } |
| } |