Examples with Delta org.eclipse.xtext.resource.IResourceDescription.Delta used on opensource projects

Example 11 with Delta

use of org.eclipse.xtext.resource.IResourceDescription.Delta in project xtext-eclipse by eclipse.

the class XtextBuilder method doBuild.

/**
 * @param toBeBuilt
 *            the URIs that will be processed in this build run.
 * @param removedProjects
 *            the projects that are no longer considered by XtextBuilders but are yet to be removed from the index.
 * @param monitor
 *            the progress monitor for the build.
 * @param type
 *            indicates the kind of build that is running.
 *
 * @since 2.18
 */
protected void doBuild(ToBeBuilt toBeBuilt, Set<String> removedProjects, IProgressMonitor monitor, BuildType type) throws CoreException {
    buildLogger.log("Building " + getProject().getName());
    // return early if there's nothing to do.
    // we reuse the isEmpty() implementation from BuildData assuming that it doesnT access the ResourceSet which is still null
    // and would be expensive to create.
    boolean indexingOnly = type == BuildType.RECOVERY;
    if (new BuildData(getProject().getName(), null, toBeBuilt, queuedBuildData, indexingOnly, this::needRebuild, removedProjects).isEmpty())
        return;
    SubMonitor progress = SubMonitor.convert(monitor, 2);
    ResourceSet resourceSet = getResourceSetProvider().get(getProject());
    resourceSet.getLoadOptions().put(ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE, Boolean.TRUE);
    BuildData buildData = new BuildData(getProject().getName(), resourceSet, toBeBuilt, queuedBuildData, indexingOnly, this::needRebuild, removedProjects);
    ImmutableList<Delta> deltas = builderState.update(buildData, progress.split(1));
    if (participant != null && !indexingOnly) {
        SourceLevelURICache sourceLevelURIs = buildData.getSourceLevelURICache();
        Set<URI> sources = sourceLevelURIs.getSources();
        participant.build(new BuildContext(this, resourceSet, deltas, sources, type), progress.split(1));
        try {
            getProject().getWorkspace().checkpoint(false);
        } catch (NoClassDefFoundError e) {
            // guard against broken Eclipse installations / bogus project configuration
            log.error(e.getMessage(), e);
        }
    } else {
        progress.worked(1);
    }
    resourceSet.eSetDeliver(false);
    for (Resource resource : resourceSet.getResources()) {
        resource.eSetDeliver(false);
    }
    resourceSet.getResources().clear();
    resourceSet.eAdapters().clear();
}

Example 12 with Delta

use of org.eclipse.xtext.resource.IResourceDescription.Delta in project xtext-eclipse by eclipse.

the class GenericResourceDescriptionManagerTest method testCreateDeltaAndIsAffected.

@Test
public void testCreateDeltaAndIsAffected() {
    GenericResourceDescriptionManager manager = getEmfResourceDescriptionsManager();
    EClass eClass = EcoreFactory.eINSTANCE.createEClass();
    eClass.setName("Test");
    eClass.getESuperTypes().add(EcorePackage.Literals.EPACKAGE);
    Resource resource = new XMIResourceImpl(URI.createFileURI("test.ecore"));
    resource.getContents().add(eClass);
    EPackage copyOfEPackage = EcoreUtil.copy(EcorePackage.eINSTANCE);
    Resource ecoreResource = new XMIResourceImpl(URI.createURI(copyOfEPackage.getNsURI()));
    ecoreResource.getContents().add(copyOfEPackage);
    IResourceDescription oldDescription = new CopiedResourceDescription(manager.getResourceDescription(ecoreResource));
    oldDescription.getExportedObjects();
    copyOfEPackage.setName("ecore_new");
    IResourceDescription newDescription = manager.getResourceDescription(ecoreResource);
    Delta delta = manager.createDelta(oldDescription, newDescription);
    assertTrue(delta.haveEObjectDescriptionsChanged());
    IResourceDescription referrerDescription = manager.getResourceDescription(resource);
    assertTrue(manager.isAffected(delta, referrerDescription));
}

Example 13 with Delta

use of org.eclipse.xtext.resource.IResourceDescription.Delta in project xtext-eclipse by eclipse.

the class ResourceDescriptionUpdaterTest method affectedResourcesContain.

private synchronized boolean affectedResourcesContain(final String projectName, final String fileName) {
    try {
        final URI expected = URI.createPlatformResourceURI(projectName + "/" + SRC_FOLDER + "/" + fileName + F_EXT, true);
        Iterables.find(getContext().getDeltas(), new Predicate<IResourceDescription.Delta>() {

            @Override
            public boolean apply(Delta actual) {
                return expected.equals(actual.getUri());
            }
        });
        return true;
    } catch (NoSuchElementException e) {
        return false;
    }
}

Example 14 with Delta

use of org.eclipse.xtext.resource.IResourceDescription.Delta in project xtext-eclipse by eclipse.

the class JavaProjectBasedBuilderParticipant method build.

@Override
public void build(IBuildContext context, IProgressMonitor monitor) throws CoreException {
    final IProject builtProject = context.getBuiltProject();
    IJavaProject javaProject = JavaCore.create(builtProject);
    if (!javaProject.exists())
        return;
    final IFolder srcGenFolder = getSrcGenFolder(builtProject);
    if (!srcGenFolder.exists())
        return;
    if (!isValidOutputFolder(javaProject, srcGenFolder))
        return;
    for (IResourceDescription.Delta delta : context.getDeltas()) {
        if (monitor.isCanceled()) {
            throw new OperationCanceledException();
        }
        final Set<String> oldFiles = newHashSet();
        if (sourceTargetMap.containsKey(delta.getUri())) {
            oldFiles.addAll(sourceTargetMap.get(delta.getUri()));
        }
        final Set<String> newFiles = newHashSet();
        IFileSystemAccess fileSystemAccess = getConfiguredFileSystemAccess(srcGenFolder, new IAcceptor<String>() {

            @Override
            public void accept(String fileName) {
                oldFiles.remove(fileName);
                newFiles.add(fileName);
            }
        });
        if (delta.getNew() == null) {
            handleDeletion(delta, context, fileSystemAccess);
        } else {
            try {
                handleChangedContents(delta, context, fileSystemAccess);
            } catch (Exception e) {
                logger.error("Error during compilation of '" + delta.getUri() + "'.", e);
            }
        }
        for (String removeFile : oldFiles) {
            fileSystemAccess.deleteFile(removeFile);
        }
        if (!newFiles.isEmpty()) {
            sourceTargetMap.put(delta.getUri(), newFiles);
        }
    }
}

Example 15 with Delta

use of org.eclipse.xtext.resource.IResourceDescription.Delta in project xtext-eclipse by eclipse.

the class XtextBuilder method doBuild.

/**
 * @param monitor the progress monitor to use for reporting progress to the user. It is the caller's responsibility
 *        to call done() on the given monitor. Accepts null, indicating that no progress should be
 *        reported and that the operation cannot be cancelled.
 */
protected void doBuild(ToBeBuilt toBeBuilt, IProgressMonitor monitor, BuildType type) throws CoreException {
    buildLogger.log("Building " + getProject().getName());
    // return early if there's nothing to do.
    // we reuse the isEmpty() impl from BuildData assuming that it doesnT access the ResourceSet which is still null
    // and would be expensive to create.
    boolean indexingOnly = type == BuildType.RECOVERY;
    if (new BuildData(getProject().getName(), null, toBeBuilt, queuedBuildData, indexingOnly).isEmpty())
        return;
    SubMonitor progress = SubMonitor.convert(monitor, 2);
    ResourceSet resourceSet = getResourceSetProvider().get(getProject());
    resourceSet.getLoadOptions().put(ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE, Boolean.TRUE);
    BuildData buildData = new BuildData(getProject().getName(), resourceSet, toBeBuilt, queuedBuildData, indexingOnly);
    ImmutableList<Delta> deltas = builderState.update(buildData, progress.newChild(1));
    if (participant != null && !indexingOnly) {
        SourceLevelURICache sourceLevelURIs = buildData.getSourceLevelURICache();
        Set<URI> sources = sourceLevelURIs.getSources();
        participant.build(new BuildContext(this, resourceSet, deltas, sources, type), progress.newChild(1));
        try {
            getProject().getWorkspace().checkpoint(false);
        } catch (NoClassDefFoundError e) {
            // guard against broken Eclipse installations / bogus project configuration
            log.error(e.getMessage(), e);
        }
    } else {
        progress.worked(1);
    }
    resourceSet.eSetDeliver(false);
    for (Resource resource : resourceSet.getResources()) {
        resource.eSetDeliver(false);
    }
    resourceSet.getResources().clear();
    resourceSet.eAdapters().clear();
}