Examples with SketchEdge easik.sketch.edge.SketchEdge used on opensource projects

Example 16 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class XSDExporter method createConstraint.

/**
 * Add an annotation explaining the commutativity of the diagram.
 * <p/>
 * Today, this is simply done by creating an annotation. For example in the
 * standard cd in constraints.easik gives this annotation:
 *
 * <pre>
 * &lt;xs:annotation>
 *  &lt;xs:documentation>
 *     Domain(f1); A(f2) ;Codomain =
 *     Domain(f3); B(f4) ;Codomain
 *   &lt;/xs:documentation>
 * &lt;/xs:annotation>
 * </pre>
 *
 * @param cd
 *            the commutative diagram constraint.
 */
private void createConstraint(final CommutativeDiagram<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> cd) {
    final List<ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>> paths = cd.getPaths();
    final EntityNode dom = paths.get(0).getDomain();
    final XSDType domType = dom.getXsdType();
    final String keyrefName = Easik.getInstance().getSettings().getProperty("xml_keyref_name");
    final List<String> values = new ArrayList<>(paths.size());
    for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> path : paths) {
        final LinkedList<SketchEdge> tmpPath = new LinkedList<>(path.getEdges());
        tmpPath.removeFirst();
        if (tmpPath.size() == 0) {
            values.add(dom.getName() + '(' + path.getFirstEdge().getForeignKeyName(keyrefName) + ')');
        } else {
            values.add(dom.getName() + '(' + path.getFirstEdge().getForeignKeyName(keyrefName) + ')' + xmlJoinPath(tmpPath, true));
        }
    }
    domType.addAnnotation(new XSDAnnotation(EasikTools.join(" = " + lineSep, values)));
}

Example 17 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class EntityNode method getIndexableEdges.

/**
 * Returns a Set of UniqueIndexable-implementing outgoing edges of this
 * node.
 *
 * @return set of uniques
 */
@Override
public Set<UniqueIndexable> getIndexableEdges() {
    final Set<SketchEdge> edges = getOutgoingEdges();
    final Set<UniqueIndexable> attribs = new LinkedHashSet<>(edges.size());
    for (final SketchEdge edge : edges) {
        if (edge instanceof UniqueIndexable) {
            attribs.add((UniqueIndexable) edge);
        }
    }
    return attribs;
}

Example 18 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class JDBCExporter method leftJoinPath.

/**
 * Constructs a special join clause for this path to be used in an update
 * statement for constraint consistency in projections.
 *
 * @param p
 *            the path for which the selection is being made
 * @return the string, suitable for use in a SELECT query.
 *
 * @author Federico Mora
 */
protected String leftJoinPath(final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> p) {
    final LinkedList<SketchEdge> edges = p.getEdges();
    final StringBuilder joinClause = new StringBuilder();
    Iterator<SketchEdge> iter = edges.descendingIterator();
    iter.next();
    int i = 0;
    while (iter.hasNext()) {
        final SketchEdge e = iter.next();
        final EntityNode source = e.getSourceEntity();
        final EntityNode target = e.getTargetEntity();
        if (i == 0) {
            i++;
            joinClause.append(quoteId(target) + " LEFT JOIN ").append(quoteId(source)).append(" ON ").append(qualifiedPK(target)).append(" = ").append(qualifiedFK(e));
        } else {
            joinClause.append(" LEFT JOIN ").append(quoteId(source)).append(" ON ").append(qualifiedPK(target)).append(" = ").append(qualifiedFK(e));
        }
    }
    return joinClause.toString();
}

Example 19 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class View method autoAddExistingEdges.

/**
 * Call this method when a new QueryNode or Edge is created to automatically
 * add whatever existing edges It has in the underlying sketch with other
 * existing QueryNodes.
 *
 * @author Federico Mora
 */
public void autoAddExistingEdges() {
    Collection<SketchEdge> sketchEdges = _ourSketch.getEdges().values();
    HashMap<EntityNode, QueryNode> nodeMatches = getEntityNodePairs();
    for (SketchEdge se : sketchEdges) {
        if (nodeMatches.containsKey(se.getTargetEntity()) && nodeMatches.containsKey(se.getSourceEntity()) && !_edges.containsKey(se.getName())) {
            View_Edge vEdge;
            // need to move down??
            if (se.isPartial()) {
                vEdge = new PartialViewEdge(nodeMatches.get(se.getSourceEntity()), nodeMatches.get(se.getTargetEntity()), se.getName());
            } else if (se.isInjective()) {
                // System.out.println("Edge is injective");
                // **NEED TO FIGURE OUT CASCADING
                vEdge = new InjectiveViewEdge(nodeMatches.get(se.getSourceEntity()), nodeMatches.get(se.getTargetEntity()), se.getName(), Cascade.RESTRICT);
            } else {
                vEdge = new NormalViewEdge(nodeMatches.get(se.getSourceEntity()), nodeMatches.get(se.getTargetEntity()), se.getName());
            }
            this.addEdge(vEdge);
        }
    }
}

Example 20 with SketchEdge

use of easik.sketch.edge.SketchEdge in project fql by CategoricalData.

the class XSDElement method setKeys.

/**
 * Use an entity node to set the keys, including foreign keyrefs and
 * uniques.
 * <p/>
 * Key is set from the primary key. KeyRefs are set from the outgoing edges.
 * Uniques are set by Uniques and by noninclusion injective outgoing edges.
 *
 * @param node
 *            we are working with
 */
@SuppressWarnings("unused")
public void setKeys(final EntityNode node) {
    final List<UniqueKey<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>> uniqueKeyList = node.getUniqueKeys();
    final XSDComplexType myType = (XSDComplexType) getElementType();
    constraints = new ArrayList<XSDAbstractKey>(uniqueKeyList.size() + 3);
    final String idName = Easik.getInstance().getSettings().getProperty("xml_id_name");
    final String keyrefName = Easik.getInstance().getSettings().getProperty("xml_keyref_name");
    final boolean idIsAttribute = Boolean.valueOf(Easik.getInstance().getSettings().getProperty("xml_id_is_attribute"));
    final XSDKey primaryKey = node.createXMLPrimaryKey(this);
    final XSDElement theParent = (XSDElement) getParent();
    theParent.addConstraint(primaryKey);
    for (final SketchEdge edge : node.getOutgoingEdges()) {
        final boolean isInclusion = edge.getTargetEntity().getName().equals(theParent.getName());
        if (edge.isInjective()) {
            if (!isInclusion) {
                constraints.add(new XSDUniqueKey(edge.getForeignKeyName(keyrefName), this, edge.getName()));
            }
        }
        if (!isInclusion) {
            theParent.addConstraint(new XSDKeyRef(this, edge.getTargetEntity().getXMLPrimaryKeyName(), edge.getName()));
            myType.addAtom(new XSDElement(edge.getName(), edge.isPartial(), XSDBaseType.xsInt));
        }
    }
    for (final UniqueKey<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> k : uniqueKeyList) {
        this.addConstraint(new XSDUniqueKey(this, k));
    }
}