Examples with ParseExpressionResult org.talend.designer.dbmap.utils.ParseExpressionResult used on opensource projects

Example 1 with ParseExpressionResult

use of org.talend.designer.dbmap.utils.ParseExpressionResult in project tdi-studio-se by Talend.

the class UIManager method parseExpression.

/**
     * 
     * 
     * @param expression
     * @param currentModifiedITableEntry
     * @param linkMustHaveSelectedState
     * @param checkInputKeyAutomatically TODO
     * @param inputExpressionAppliedOrCanceled TODO
     * @param newSelectedDataMapTableView
     * @return true if a link has been added or removed, false else
     */
public ParseExpressionResult parseExpression(String expression, ITableEntry currentModifiedITableEntry, boolean linkMustHaveSelectedState, boolean checkInputKeyAutomatically, boolean inputExpressionAppliedOrCanceled) {
    DataMapTableView dataMapTableView = mapperManager.retrieveDataMapTableView(currentModifiedITableEntry);
    boolean linkHasBeenAdded = false;
    boolean linkHasBeenRemoved = false;
    DataMapExpressionParser dataMapExpressionParser = new DataMapExpressionParser(mapperManager.getCurrentLanguage());
    TableEntryLocation[] tableEntriesLocationsSources = dataMapExpressionParser.parseTableEntryLocations(expression);
    Set<TableEntryLocation> alreadyProcessed = new HashSet<TableEntryLocation>();
    Set<ITableEntry> sourcesForTarget = mapperManager.getSourcesForTarget(currentModifiedITableEntry);
    Set<ITableEntry> sourcesForTargetToDelete = new HashSet<ITableEntry>(sourcesForTarget);
    boolean isInputEntry = currentModifiedITableEntry instanceof InputColumnTableEntry;
    for (TableEntryLocation tableEntriesLocationsSource : tableEntriesLocationsSources) {
        TableEntryLocation location = tableEntriesLocationsSource;
        if (!alreadyProcessed.contains(location) && checkSourceLocationIsValid(location, currentModifiedITableEntry)) {
            ITableEntry sourceTableEntry = mapperManager.retrieveTableEntry(location);
            sourcesForTargetToDelete.remove(sourceTableEntry);
            if (sourceTableEntry != null && !sourcesForTarget.contains(sourceTableEntry)) {
                DataMapTableView sourceDataMapTableView = mapperManager.retrieveDataMapTableView(sourceTableEntry);
                IMapperLink link = new Link(new PointLinkDescriptor(sourceTableEntry, sourceDataMapTableView.getZone()), new PointLinkDescriptor(currentModifiedITableEntry, dataMapTableView.getZone()), mapperManager);
                link.setState(linkMustHaveSelectedState ? LinkState.SELECTED : LinkState.UNSELECTED);
                mapperManager.addLink(link);
                linkHasBeenAdded = true;
            }
            alreadyProcessed.add(location);
        }
    }
    Set<IMapperLink> targets = mapperManager.getGraphicalLinksFromTarget(currentModifiedITableEntry);
    Set<IMapperLink> linksFromTarget = new HashSet<IMapperLink>(targets);
    for (IMapperLink link : linksFromTarget) {
        if (sourcesForTargetToDelete.contains(link.getPointLinkDescriptor1().getTableEntry())) {
            mapperManager.removeLink(link, link.getPointLinkDescriptor2().getTableEntry());
            linkHasBeenRemoved = true;
        }
    }
    mapperManager.orderLinks();
    return new ParseExpressionResult(linkHasBeenAdded, linkHasBeenRemoved);
}