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

Example 21 with SketchEdge

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

the class DeleteAttributeAction method actionPerformed.

/**
 * Deletes the currently selected attribute
 *
 * @param e
 *            The action event
 */
@Override
public void actionPerformed(ActionEvent e) {
    // If there is nothing seleceted then just do nothing
    if (_theFrame.getInfoTreeUI().getInfoTree().isSelectionEmpty()) {
        return;
    }
    // cancel operation
    if (_theFrame.getMModel().isSynced()) {
        int choice = JOptionPane.showConfirmDialog(_theFrame, "Warning: this sketch is currently synced with a db; continue and break synchronization?", "Warning!", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE);
        if (choice == JOptionPane.CANCEL_OPTION) {
            return;
        }
    }
    // Get currently selected object
    DefaultMutableTreeNode curSelected = (DefaultMutableTreeNode) _theFrame.getInfoTreeUI().getInfoTree().getSelectionPath().getLastPathComponent();
    // Selection is an attribute
    if (curSelected instanceof EntityAttribute) {
        @SuppressWarnings("unchecked") EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> curAttribute = (EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) curSelected;
        EntityNode parentEntity = curAttribute.getEntity();
        // Show a confirmation dialog box for the deletion
        if (JOptionPane.showConfirmDialog(_theFrame, "Are you sure you want to delete the '" + curAttribute.getName() + "' attribute from the '" + parentEntity + "' entity?", "Confirm Delete", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION) {
            // Delete the attribute from entity
            parentEntity.removeEntityAttribute(curAttribute);
            _theFrame.getMModel().setDirty();
            _theFrame.getMModel().setSynced(false);
        }
    } else // Selection is not an attribute
    {
        JOptionPane.showMessageDialog(_theFrame, "You don't have an attribute selected. \nPlease select an attribute and try again.", "No Attribute Selected", JOptionPane.ERROR_MESSAGE);
        return;
    }
    _theFrame.getInfoTreeUI().revertExpansion();
}

Example 22 with SketchEdge

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

the class KosarajuSCC method transposeDFS.

/**
 * Depth first search of the transpose
 *
 * @param v
 */
public void transposeDFS(EntityNode v) {
    visited.add(v);
    sccList.add(v);
    for (SketchEdge sk : graph.getEdges().values()) {
        if (sk instanceof NormalEdge || sk instanceof InjectiveEdge) {
            if (sk.getTargetEntity().equals(v)) {
                EntityNode t = sk.getSourceEntity();
                if (!visited.contains(t)) {
                    transposeDFS(t);
                }
            }
        }
    }
}

Example 23 with SketchEdge

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

the class KosarajuSCC method dfs.

/**
 * Depth first search
 */
public void dfs(EntityNode v) {
    visited.add(v);
    for (SketchEdge sk : v.getOutgoingEdges()) {
        if (sk instanceof NormalEdge || sk instanceof InjectiveEdge) {
            EntityNode t = sk.getTargetEntity();
            if (!visited.contains(t)) {
                dfs(t);
            }
        }
    }
    stack.push(v);
}

Example 24 with SketchEdge

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

the class MySQLExporter method createConstraint.

/**
 * @param constraint
 * @param id
 *
 * @return
 */
@Override
public List<String> createConstraint(final ProductConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> constraint, final String id) {
    final List<String> sql = new LinkedList<>();
    final String delConName = "productConstraint" + id + "Delete";
    StringBuilder proc = new StringBuilder(500);
    proc.append("CREATE PROCEDURE ").append(quoteId(delConName)).append("(id ").append(pkType()).append(") BEGIN").append(lineSep);
    EntityNode begin = null;
    int j = 0;
    // c.b_id = b.id JOIN d ON d.c_id = c.id...> WHERE <begin> = id;
    for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> p : constraint.getPaths()) {
        if (begin == null) {
            begin = p.getDomain();
        }
        proc.append("   DELETE ").append(quoteId(p.getCoDomain())).append(" FROM ").append(joinPath(p)).append(lineSep).append("           WHERE ").append(qualifiedPK(begin)).append(" = id;").append(lineSep);
        // Federico Mora
        StringBuilder proc1 = new StringBuilder(500);
        StringBuilder body = new StringBuilder(50);
        proc1.append("CREATE PROCEDURE ").append("Update" + constraint.getID() + "Proj" + j++).append("() BEGIN").append(lineSep);
        for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> q : constraint.getPaths()) {
            if (p == q) {
            // do nothing, cascade will take care of it
            } else {
                // making the update string which is used by all the delete
                // procedures.
                final LinkedList<SketchEdge> edges = q.getEdges();
                if (edges.size() >= 2) {
                    Iterator<SketchEdge> iter = edges.iterator();
                    SketchEdge e = iter.next();
                    body.append("   UPDATE ").append(leftJoinPath(q)).append(lineSep);
                    body.append("   SET");
                    while (iter.hasNext()) {
                        SketchEdge ske = iter.next();
                        body.append(" " + quoteId(ske.getSourceEntity()) + ".BC" + constraint.getID() + " = " + false + ",");
                    }
                    body.delete(body.length() - 1, body.length());
                    body.append(" WHERE " + qualifiedFK(e) + " IS NULL;" + lineSep);
                }
            }
        }
        if (body.length() > 0) {
            proc1.append(body);
            proc1.append("END");
            sql.add(proc1.toString());
            // Now create the triggers to call the new procedure
            addTrigger(p.getCoDomain(), "AFTER DELETE", "CALL " + quoteId("Update" + constraint.getID() + "Proj" + (j - 1)) + "()");
        }
    // end Federico Mora
    }
    // Select B.id From A Join B On A.f1 = B.id Join D On A.f3 = D.id Where
    // D.id = 1
    proc.append("END");
    sql.add(proc.toString());
    // Now create the trigger to call the new procedure
    addTrigger(begin, "BEFORE DELETE", "CALL " + quoteId(delConName) + "(OLD." + quoteId(tablePK(begin)) + ')');
    for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> p : constraint.getPaths()) {
        final EntityNode dest = p.getCoDomain();
        final String conName = "productConstraint" + id + "Insert" + cleanId(dest);
        final Collection<String> args = new LinkedList<>();
        final Collection<String> params = new LinkedList<>();
        args.add("id " + pkType());
        params.add("NEW." + quoteId(tablePK(dest)));
        // commented out by Sarah van der Laan -- caused error in generated
        // SQL file (invalid foreign keys)
        /**
         * for (final SketchEdge shadow : dest.getShadowEdges()) {
         * args.add(quoteId("NEW_shadow_" + tableFK(shadow)) + ' ' +
         * pkType()); params.add("NEW." + quoteId(tableFK(shadow))); }
         */
        proc = new StringBuilder(500);
        proc.append("CREATE PROCEDURE ").append(quoteId(conName)).append('(').append(EasikTools.join(", ", args)).append(") BEGIN").append(lineSep).append(" DECLARE _lastId ").append(pkType()).append(';').append(lineSep);
        final StringBuilder createIntermediates = new StringBuilder(250);
        final Collection<String> clauses = new LinkedList<>();
        for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> q : constraint.getPaths()) {
            if (p == q) {
                continue;
            }
            // Older versions were doing "SELECT COUNT(*) FROM TABLE", but
            // that has a big
            // performance hit for very large, busy InnoDB tables, when all
            // we really care
            // about is non-empty:
            clauses.add("(SELECT 1 FROM " + quoteId(q.getCoDomain()) + " LIMIT 1) = 1");
            // If we end up putting anything in createIntermediate, we'll
            // use these
            // insertions when we insert the first row into one of the path
            // targets
            final LinkedList<SketchEdge> sketchEdgeLinkedList = q.getEdges();
            final SketchEdge[] edges = sketchEdgeLinkedList.toArray(new SketchEdge[sketchEdgeLinkedList.size()]);
            for (int i = edges.length - 1; i > 0; i--) {
                final SketchEdge e = edges[i];
                final EntityNode source = e.getSourceEntity();
                final EntityNode target = e.getTargetEntity();
                // after source there used to be dest.getShadowEdges();
                createIntermediates.append("                        ").append(insertInto(true, source, qualifiedPK(target), quoteId(target), Collections.singletonList(quoteId(tableFK(e))), null));
            }
        }
        // In words: If the tables forming the domains of the other paths
        // contain items.
        proc.append("       IF ").append(EasikTools.join(" AND ", clauses)).append(" THEN").append(lineSep);
        if (createIntermediates.length() > 0) {
            // If we just inserted the first row, we're going to have to
            // build a path of intermediate tables
            // for the other paths, which we built in createIntermediate.
            proc.append("           IF (SELECT COUNT(*) FROM (SELECT 1 FROM ").append(quoteId(dest)).append(" LIMIT 2) a) = 1 THEN").append(lineSep).append(createIntermediates).append("               END IF;").append(lineSep).append("").append(lineSep);
        }
        // Produce the intermediate path insertion strings
        final LinkedList<SketchEdge> sketchEdgeLinkedList = p.getEdges();
        final SketchEdge[] edges = sketchEdgeLinkedList.toArray(new SketchEdge[sketchEdgeLinkedList.size()]);
        if (edges.length > 1) {
            for (int i = edges.length - 1; i > 0; i--) {
                final SketchEdge e = edges[i];
                final EntityNode source = e.getSourceEntity();
                @SuppressWarnings("unused") final EntityNode target = e.getTargetEntity();
                // after source there used to be dest.getShadowEdges();
                proc.append("               ").append(insertInto(true, source, null, null, Collections.singletonList(quoteId(tableFK(e))), Collections.singletonList((i == edges.length - 1) ? "id" : "LAST_INSERT_ID()")));
            }
            proc.append("           SET _lastId = LAST_INSERT_ID();").append(lineSep);
        } else {
            proc.append("           SET _lastId = id;").append(lineSep);
        }
        // Now the proper insertion
        final List<String> columns = new LinkedList<>();
        final Collection<String> values = new LinkedList<>();
        final Collection<String> from = new LinkedList<>();
        EntityNode thisTarget = null;
        for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> q : constraint.getPaths()) {
            final EntityNode target = q.getFirstEdge().getTargetEntity();
            columns.add(quoteId(tableFK(q.getFirstEdge())));
            values.add(qualifiedPK(target));
            from.add(quoteId(target));
            if (q == p) {
                thisTarget = target;
            }
        }
        // after begin there used to be dest.getShadowEdges();
        proc.append("               ").append(insertInto(true, begin, EasikTools.join(", ", values), EasikTools.join(" CROSS JOIN ", from) + " WHERE " + qualifiedPK(thisTarget) + " = _lastId", columns, null)).append("   END IF;").append(lineSep).append("END");
        sql.add(proc.toString());
        addTrigger(dest, "AFTER INSERT", "CALL " + quoteId(conName) + '(' + EasikTools.join(", ", params) + ')');
    }
    return delimit("$$", sql);
}

Example 25 with SketchEdge

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

the class MySQLExporter method createConstraint.

/**
 * @param constraint
 * @param id
 *
 * @return
 */
@Override
public List<String> createConstraint(final SumConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> constraint, final String id) {
    final List<String> sql = new LinkedList<>();
    for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> path : constraint.getPaths()) {
        final EntityNode dom = path.getDomain();
        final EntityNode codo = path.getCoDomain();
        final String baseConName = "sumConstraint" + id + cleanId(dom);
        final StringBuilder proc = new StringBuilder(500);
        proc.append("CREATE PROCEDURE ").append(quoteId(baseConName + "Delete")).append("(_deleteFK ").append(pkType()).append(") BEGIN").append(lineSep).append("   DELETE FROM ").append(quoteId(codo)).append(" WHERE ").append(qualifiedPK(codo)).append(" = ");
        if (path.getEdges().size() == 1) {
            proc.append("_deleteFK");
        } else {
            final LinkedList<SketchEdge> trailing = new LinkedList<>(path.getEdges());
            trailing.removeFirst();
            proc.append("(SELECT ").append(qualifiedFK(trailing.getLast())).append(" FROM ").append(joinPath(trailing, false)).append(" WHERE ").append(qualifiedPK(path.getFirstCoDomain())).append(" = _deleteFK)");
        }
        proc.append(';').append(lineSep).append("END");
        sql.add(proc.toString());
        addTrigger(dom, "AFTER DELETE", "CALL " + quoteId(baseConName + "Delete") + "(OLD." + quoteId(tableFK(path.getFirstEdge())) + ')');
        final List<String> insertions = new LinkedList<>();
        // after codo there used to be dest.getShadowEdges();
        insertions.add(insertInto(false, codo, null, null, null, null));
        final SketchEdge[] edges = path.getEdges().toArray(new SketchEdge[path.getEdges().size()]);
        for (int i = edges.length - 1; i > 0; i--) {
            final EntityNode source = edges[i].getSourceEntity();
            // after source there used to be dest.getShadowEdges();
            insertions.add(insertInto(false, source, null, null, Collections.singletonList(quoteId(tableFK(edges[i]))), Collections.singletonList("LAST_INSERT_ID()")));
        }
        insertions.add("SET NEW." + quoteId(tableFK(edges[0])) + " = LAST_INSERT_ID()");
        addTrigger(dom, "BEFORE INSERT", insertions);
    }
    return delimit("$$", sql);
}