Examples with SumConstraint easik.model.constraint.SumConstraint used on opensource projects

Example 6 with SumConstraint

use of easik.model.constraint.SumConstraint in project fql by CategoricalData.

the class DeletePathAction method actionPerformed.

/**
 * Tests if the removal is valid and then removes the path from the
 * constraint
 *
 * @param e
 *            The action event
 */
@Override
@SuppressWarnings("unchecked")
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 a constraint
    if (curSelected instanceof ModelPath) {
        ModelConstraint<F, GM, M, N, E> curConstraint = (ModelConstraint<F, GM, M, N, E>) curSelected.getParent();
        ArrayList<ModelPath<F, GM, M, N, E>> tempPaths = new ArrayList<>();
        tempPaths.remove(curSelected);
        boolean valid = false;
        if (curConstraint instanceof SumConstraint) {
            valid = _theFrame.getMModel().isSumConstraint(tempPaths);
            // Replace previous path array list
            if (valid) {
                ((SumConstraint<F, GM, M, N, E>) curConstraint).setPaths(tempPaths);
            }
        } else if (curConstraint instanceof ProductConstraint) {
            valid = _theFrame.getMModel().isProductConstraint(tempPaths);
            // Replace previous path array list
            if (valid) {
                ((ProductConstraint<F, GM, M, N, E>) curConstraint).setPaths(tempPaths);
            }
        } else if (curConstraint instanceof CommutativeDiagram) {
            valid = _theFrame.getMModel().isCommutativeDiagram(tempPaths);
            // Replace previous path array list
            if (valid) {
                ((CommutativeDiagram<F, GM, M, N, E>) curConstraint).setPaths(tempPaths);
            }
        } else {
            JOptionPane.showMessageDialog(_theFrame, "You don't have a path selected that can be removed. \nPlease select another path and try again.", "No ModelConstraint Selected", JOptionPane.ERROR_MESSAGE);
            return;
        }
        if (valid) {
            ModelConstraint<F, GM, M, N, E> myConst = curConstraint;
            // Remove old tree node
            myConst.removeFromParent();
            _theFrame.getInfoTreeUI().addConstraint(myConst);
            // Referesh Tree
            _theFrame.getInfoTreeUI().refreshTree(myConst);
            _theFrame.getMModel().setDirty();
            _theFrame.getMModel().setSynced(false);
        } else {
            JOptionPane.showMessageDialog(_theFrame, "Revoming this path would make the constraint invalid.\nPath was not removed", "Path Not Removed", JOptionPane.ERROR_MESSAGE);
        }
    } else // Selection is not a constraint
    {
        JOptionPane.showMessageDialog(_theFrame, "You don't have a path selected. \nPlease select a path and try again.", "No ModelConstraint Selected", JOptionPane.ERROR_MESSAGE);
    }
}

Example 7 with SumConstraint

use of easik.model.constraint.SumConstraint 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);
}

Example 8 with SumConstraint

use of easik.model.constraint.SumConstraint in project fql by CategoricalData.

the class JDBCExporter method createConstraints.

/**
 * Generates db constraints from the sketch constraints. This method is not
 * generally overridden by drivers: the individual createConstraint(...)
 * methods are called for each existing constraint.
 *
 * @return list of queries to create the constraints.
 */
protected List<String> createConstraints() {
    final List<String> constraintSQL = new LinkedList<>();
    final List<ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>> constraints = new ArrayList<>(sketch.getConstraints().values());
    int id = 0;
    for (final ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> c : constraints) {
        id++;
        if (c instanceof CommutativeDiagram) {
            constraintSQL.addAll(createConstraint((CommutativeDiagram<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof ProductConstraint) {
            constraintSQL.addAll(createConstraint((ProductConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof PullbackConstraint) {
            constraintSQL.addAll(createConstraint((PullbackConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof EqualizerConstraint) {
            constraintSQL.addAll(createConstraint((EqualizerConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof SumConstraint) {
            constraintSQL.addAll(createConstraint((SumConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else if (c instanceof LimitConstraint) {
            constraintSQL.addAll(createConstraint((LimitConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c, String.valueOf(id)));
        } else {
            System.err.println("Unknown constraint type encountered: " + c.getClass());
        }
    }
    return constraintSQL;
}

Example 9 with SumConstraint

use of easik.model.constraint.SumConstraint in project fql by CategoricalData.

the class JDBCUpdateMonitor method insert.

/**
 * Determines if insertion into a given table requires special handling due
 * to constraints it may be in. As of now, special cases that may result
 * from being in multiple constraints are not supported.
 *
 * @param table
 *            The table into which we wish to insert data
 * @return Success of the insertion
 */
@Override
public boolean insert(final EntityNode table) {
    final DialogOptions dOpts = getDialogOptions(table);
    final String lineSep = EasikTools.systemLineSeparator();
    // a set of column-value pairs of which we wish to force a specific
    // value, leaving the user out
    final Set<ColumnEntry> forced = new HashSet<>(10);
    // contstraint. Tighten up?
    for (final ModelConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> c : table.getConstraints()) {
        if (c instanceof SumConstraint) {
            // of its foreign key, so remove it from the dialog's selection
            for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> sp : c.getPaths()) {
                if (sp.getDomain() == table) {
                    // we force the value 0 to avoid out driver to kick back
                    // an error for having a null fKey
                    final String columnName = cn.tableFK(sp.getFirstEdge());
                    dOpts.fKeys.remove(columnName);
                    forced.add(new ColumnEntry(columnName, "0", new Int()));
                    break;
                }
            }
        }
        if (c instanceof CommutativeDiagram) {
            // commute
            if (c.getPaths().get(0).getDomain() == table) {
                JOptionPane.showMessageDialog(null, "Be sure that the following paths commute:" + lineSep + EasikTools.join(lineSep, c.getPaths()), "Commutative diagram", JOptionPane.INFORMATION_MESSAGE);
                try {
                    return promptAndInsert(table, dOpts, forced);
                } catch (SQLException e) {
                    /*
						 * if(e instanceof com.mysql.jdbc.exceptions.jdbc4.
						 * MySQLIntegrityConstraintViolationException){
						 * //injective property violated
						 * JOptionPane.showMessageDialog(null, e.getMessage(),
						 * "Injective property violation",
						 * JOptionPane.ERROR_MESSAGE); }else{
						 */
                    JOptionPane.showMessageDialog(null, "Not all of the following paths commute -- insert aborted!" + lineSep + EasikTools.join(lineSep, c.getPaths()), "Commutative diagram failure", JOptionPane.ERROR_MESSAGE);
                // }
                }
            }
        }
        if (c instanceof PullbackConstraint) {
            // happens, we want to let the user update the new record
            if (((PullbackConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c).getTarget() != table) {
                final EntityNode pullback = ((PullbackConstraint<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>) c).getSource();
                try {
                    // get row count pre-insert
                    ResultSet result = dbd.executeQuery("SELECT COUNT(*) FROM " + pullback.getName() + " X");
                    result.next();
                    final int preRowCount = result.getInt(1);
                    if (!promptAndInsert(table, dOpts)) {
                        return false;
                    }
                    // get row count post-insert
                    result = dbd.executeQuery("SELECT COUNT(*) FROM " + pullback.getName() + " X");
                    result.next();
                    final int postRowCount = result.getInt(1);
                    // new row (the one with the highest primary ID)
                    if (postRowCount > preRowCount) {
                        result = dbd.executeQuery("SELECT MAX(" + cn.tablePK(pullback) + ") FROM " + pullback.getName() + " X");
                        result.next();
                        final int pk = result.getInt(1);
                        if (JOptionPane.showConfirmDialog(null, "New record in pullback table '" + pullback.getName() + "'. Enter column data?", "Insert column data?", JOptionPane.YES_NO_OPTION) == 0) {
                            updateRow(pullback, pk);
                        }
                    }
                    return true;
                } catch (SQLException e) {
                    JOptionPane.showMessageDialog(null, "Could not execute update. MYSQL Error output:\n" + e.getMessage());
                }
            }
        }
        if (c instanceof ProductConstraint) {
            // inserting into the product.
            for (final ModelPath<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> sp : c.getPaths()) {
                if (sp.getCoDomain() == table) {
                    final EntityNode product = sp.getDomain();
                    try {
                        if (!promptAndInsert(table, dOpts)) {
                            return false;
                        }
                        // get the new records from the product. They are
                        // any record who's fk to our INSERT factor matches
                        // the primary id of the last insert
                        ResultSet result = dbd.executeQuery("SELECT MAX(" + cn.tablePK(table) + ") FROM " + table.getName() + " X");
                        result.next();
                        final int newPK = result.getInt(1);
                        result = dbd.executeQuery("SELECT * FROM " + product.getName() + " WHERE " + cn.tableFK(sp.getFirstEdge()) + " = " + newPK);
                        // get count of new rows as result of INSERT
                        result.last();
                        final int newRows = result.getRow();
                        result.beforeFirst();
                        if ((newRows > 0) && (JOptionPane.showConfirmDialog(null, newRows + " new rows in product table '" + product.getName() + "'. Insert column data?", "Insert column data?", JOptionPane.YES_NO_OPTION) == 0)) {
                            while (result.next()) {
                                updateRow(product, result.getInt(1));
                            }
                        }
                    } catch (SQLException e) {
                        JOptionPane.showMessageDialog(null, e.getMessage());
                    }
                    return true;
                }
            }
        }
        if (c instanceof LimitConstraint) {
        // TRIANGLES TODO CF2012 Incomplete
        }
    }
    try {
        return promptAndInsert(table, dOpts, forced);
    } catch (SQLException e) {
        JOptionPane.showMessageDialog(null, "Could not execute update. MYSQL Error output:\n" + e.getMessage());
        System.err.println(e.getMessage());
        return false;
    }
}

Example 10 with SumConstraint

use of easik.model.constraint.SumConstraint in project fql by CategoricalData.

the class SketchHandler method startElement.

/**
 * Overloaded method that is called any time the start of an element is
 * found
 *
 * @param namespace
 * 			@see org.xml.sax.helpers.DefaultHandler
 * @param localName
 * 			@see org.xml.sax.helpers.DefaultHandler
 * @param qName
 * 			@see org.xml.sax.helpers.DefaultHandler
 * @param atts
 * 			@see org.xml.sax.helpers.DefaultHandler
 */
@Override
public void startElement(String namespace, String localName, String qName, Attributes atts) {
    _currNode = qName;
    if (qName.equals("entity")) {
        String name = atts.getValue("name");
        int x = Integer.parseInt(atts.getValue("x"));
        int y = Integer.parseInt(atts.getValue("y"));
        if (_entityNodes.containsKey(name)) {
            System.err.println("Duplicate nodes found in XML");
            return;
        }
        _newNode = new EntityNode(name, x, y, _theFrame.getMModel());
        _entityNodes.put(name, _newNode);
        _curNodeAtts = new LinkedHashMap<>();
    } else if (qName.equals("attribute")) {
        EasikType type;
        // attributeType was created by old Easik versions, and is the SQL
        // type signature
        // (such as "VARCHAR(255)"). Easik now uses attributeTypeClass,
        // containing the
        // class name, and any number of extra attributes which
        // EasikType.newType() uses to
        // recreate the appropriate EasikType object.
        String typesig = atts.getValue("attributeType");
        if (typesig != null) {
            type = EasikType.typeFromSignature(typesig);
        } else {
            String typename = atts.getValue("attributeTypeClass");
            try {
                type = EasikType.newType(typename, attributeMap(atts, "attributeType", "attributeTypeClass", "name"));
            } catch (ClassNotFoundException e) {
                System.err.println("Invalid type found in XML: '" + typename + "' (" + e.getMessage() + ")");
                return;
            }
        }
        EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> myAtt = new EntityAttribute<>(atts.getValue("name"), type, _newNode);
        _curNodeAtts.put(atts.getValue("name"), myAtt);
        _newNode.addEntityAttribute(myAtt);
    } else if (qName.equals("uniqueKey")) {
        // New EASIK has noderef, telling us what we refer to. In old easik,
        // uniqueKey is under
        // the node itself (but as a result, cannot contain edge
        // references).
        String noderef = atts.getValue("noderef");
        if (noderef != null) {
            // Restore _newNode and _curNodeAtts, since we're going to need
            // them:
            _newNode = _entityNodes.get(noderef);
            _curNodeAtts = new LinkedHashMap<>();
            for (EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge> att : _newNode.getEntityAttributes()) {
                _curNodeAtts.put(att.getName(), att);
            }
        }
        _curUniqueKeyName = atts.getValue("name");
        _curUniqueKeyElems = new LinkedList<>();
    } else if (qName.equals("attref")) {
        _curUniqueKeyElems.add(_curNodeAtts.get(atts.getValue("name")));
    } else if (qName.equals("edgekeyref")) {
        SketchEdge e = _edges.get(atts.getValue("id"));
        if (e instanceof UniqueIndexable) {
            _curUniqueKeyElems.add((UniqueIndexable) e);
        } else {
            System.err.println("Encountered an non-unique-indexable <edgekeyref> " + e);
        }
    } else if (qName.equals("edge")) {
        SketchEdge newEdge;
        String edgeType = atts.getValue("type");
        // injective is an old EASIK attribute:
        String injective = atts.getValue("injective");
        if (injective != null) {
            edgeType = atts.getValue("injective").equals("true") ? "injective" : "normal";
        }
        EntityNode source = _entityNodes.get(atts.getValue("source"));
        EntityNode target = _entityNodes.get(atts.getValue("target"));
        String id = atts.getValue("id");
        String cascadeAtt = atts.getValue("cascade");
        if (cascadeAtt == null) {
            // This is from an export before Easik had per-edge cascading
            // (in other words, before r583)
            // We use the global preferences for cascading
            String key = "sql_cascade", def = "restrict";
            if (edgeType.equals("partial")) {
                key = "sql_cascade_partial";
                def = "set_null";
            }
            cascadeAtt = Easik.getInstance().getSettings().getProperty(key, def);
        }
        SketchEdge.Cascade cascade = cascadeAtt.equals("set_null") ? SketchEdge.Cascade.SET_NULL : cascadeAtt.equals("cascade") ? SketchEdge.Cascade.CASCADE : SketchEdge.Cascade.RESTRICT;
        if (edgeType.equals("injective")) {
            newEdge = new InjectiveEdge(source, target, id, cascade);
        } else if (edgeType.equals("partial")) {
            newEdge = new PartialEdge(source, target, id, cascade);
        } else {
            newEdge = new NormalEdge(source, target, id, cascade);
        }
        _edges.put(id, newEdge);
    } else if (qName.equals("path")) {
        _curPath = new LinkedList<>();
        _curPathId = atts.getValue("id");
        _curDomain = _entityNodes.get(atts.getValue("domain"));
    } else if (qName.equals("edgeref")) {
        _curPath.add(_edges.get(atts.getValue("id")));
    } else if (// TRIANGLES
    qName.equals("sumconstraint") || qName.equals("pullbackconstraint") || qName.equals("productconstraint") || qName.equals("commutativediagram") || qName.equals("equalizerconstraint") || qName.equals("limitconstraint")) // CF2012
    {
        _curConstraintX = Integer.parseInt(atts.getValue("x"));
        _curConstraintY = Integer.parseInt(atts.getValue("y"));
        _curConstraintVisible = atts.getValue("isVisible").equals("true");
        _curConstraintPaths = new ArrayList<>();
        _allConstraintsVisible = atts.getValue("isVisible").equals("true");
    } else if (qName.equals("pathref")) {
        // This is for compatibility with old versions of Easik (pre-2.0);
        // new versions
        // put <path> elements directly inside the various constraint
        // elements.
        _curConstraintPaths.add(_allPaths.get(atts.getValue("id")));
    } else if (qName.equals("connectionParam")) {
        _connParams.put(atts.getValue("name"), atts.getValue("value"));
    } else if (qName.equals("synchronized")) {
        // The existance of this tag tells us the sketch is synchronized
        _curSketchSync = true;
    }
}