Examples with ResourceDelta org.eclipse.core.internal.events.ResourceDelta used on opensource projects

Example 1 with ResourceDelta

use of org.eclipse.core.internal.events.ResourceDelta in project polymap4-core by Polymap4.

the class SavedState method processResourceChangeEvents.

public void processResourceChangeEvents(IResourceChangeListener listener) {
    try {
        final ISchedulingRule rule = workspace.getRoot();
        try {
            workspace.prepareOperation(rule, null);
            if (oldTree == null || newTree == null)
                return;
            workspace.beginOperation(true);
            ResourceDelta delta = ResourceDeltaFactory.computeDelta(workspace, oldTree, newTree, Path.ROOT, -1);
            // free trees to prevent memory leak
            forgetTrees();
            workspace.getNotificationManager().broadcastChanges(listener, IResourceChangeEvent.POST_BUILD, delta);
        } finally {
            workspace.endOperation(rule, false, null);
        }
    } catch (CoreException e) {
        // this is unlikely to happen, so, just log it
        Policy.log(e);
    }
}

Example 2 with ResourceDelta

use of org.eclipse.core.internal.events.ResourceDelta in project dsl-devkit by dsldevkit.

the class RebuildingXtextBuilder method doBuild.

/**
 * Like the super implementation, except the build is not triggered if
 * both toBeDeleted and toBeUpdated are empty. {@inheritDoc}
 */
@SuppressWarnings("nls")
@Override
protected void doBuild(final ToBeBuilt toBeBuilt, final IProgressMonitor monitor, final BuildType type) throws CoreException {
    if (toBeBuilt.getToBeDeleted().size() != 0 || toBeBuilt.getToBeUpdated().size() != 0) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Starting " + type.name() + " build:" + "\ndeleted(" + toBeBuilt.getToBeDeleted().size() + ")=" + toBeBuilt.getToBeDeleted().toString() + "\nupdated(" + toBeBuilt.getToBeUpdated().size() + ")=" + toBeBuilt.getToBeUpdated().toString());
        }
        // build + participant + rebuild
        SubMonitor progress = SubMonitor.convert(monitor, 1 + 1 + 1);
        ResourceSet resourceSet = getResourceSetProvider().get(getProject());
        resourceSet.getLoadOptions().put(ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE, Boolean.TRUE);
        if (resourceSet instanceof ResourceSetImpl) {
            ((ResourceSetImpl) resourceSet).setURIResourceMap(Maps.<URI, Resource>newHashMap());
        }
        BuildData buildData = new BuildData(getProject().getName(), resourceSet, toBeBuilt, queuedBuildData);
        ImmutableList<Delta> deltas = builderState.update(buildData, progress.newChild(1));
        if (participant != null) {
            final BuildContext buildContext = new BuildContext(this, resourceSet, deltas, type);
            // remember the current workspace tree
            final ElementTree oldTree = ((Workspace) ResourcesPlugin.getWorkspace()).getElementTree();
            oldTree.immutable();
            participant.build(buildContext, progress.newChild(1));
            if (buildContext.isRebuildRequired() && rebuilds++ <= 2) {
                final ElementTree newTree = ((Workspace) ResourcesPlugin.getWorkspace()).getElementTree();
                newTree.immutable();
                final ResourceDelta generatedDelta = ResourceDeltaFactory.computeDelta((Workspace) ResourcesPlugin.getWorkspace(), oldTree, newTree, getProject().getFullPath(), -1);
                // rebuild the generated delta
                ResourcesPlugin.getWorkspace().checkpoint(false);
                incrementalBuild(generatedDelta, progress.newChild(1));
            }
        } else {
            progress.worked(2);
        }
        resourceSet.getResources().clear();
        resourceSet.eAdapters().clear();
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Build done.");
        }
    } else if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Ignoring empty " + type.name() + " build.");
    }
}