Examples with DbRelationship org.apache.cayenne.map.DbRelationship used on opensource projects

Example 91 with DbRelationship

use of org.apache.cayenne.map.DbRelationship in project cayenne by apache.

the class ObjRelationshipInfo method connectEnds.

// Connects last selected DbRelationship in the path to the
// last DbEntity, creating a dummy relationship if needed.
private void connectEnds() {
    Relationship last = null;
    int size = dbRelationships.size();
    if (size > 0) {
        last = dbRelationships.get(size - 1);
    }
    Entity target = getEndEntity();
    if (target != null && (last == null || last.getTargetEntity() != target)) {
        // try to connect automatically, if we can't use dummy connector
        Entity source = (last == null) ? getStartEntity() : last.getTargetEntity();
        if (source != null) {
            Relationship anyConnector = source != null ? source.getAnyRelationship(target) : null;
            if (anyConnector != null) {
                dbRelationships.add((DbRelationship) anyConnector);
            }
        }
    }
}

Example 92 with DbRelationship

use of org.apache.cayenne.map.DbRelationship in project cayenne by apache.

the class ObjRelationshipInfo method savePath.

/**
 * Stores current state of the model in the internal ObjRelationship.
 */
public boolean savePath() {
    boolean hasChanges = false;
    boolean oldToMany = relationship.isToMany();
    String relationshipName = getRelationshipName();
    if (!Util.nullSafeEquals(relationship.getName(), relationshipName)) {
        hasChanges = true;
        relationship.setName(relationshipName);
    }
    if (savedDbRelationships.size() > 0) {
        DbEntity lastEntity = (DbEntity) savedDbRelationships.get(savedDbRelationships.size() - 1).getTargetEntity();
        if (objectTarget == null || objectTarget.getDbEntity() != lastEntity) {
            /**
             * Entities in combobox and path browser do not match. In this
             * case, we rely on the browser and automatically select one of
             * lastEntity's ObjEntities
             */
            Collection<ObjEntity> objEntities = lastEntity.getDataMap().getMappedEntities(lastEntity);
            objectTarget = objEntities.size() == 0 ? null : objEntities.iterator().next();
        }
    }
    if (objectTarget == null || !Util.nullSafeEquals(objectTarget.getName(), relationship.getTargetEntityName())) {
        hasChanges = true;
        // note on events notification - this needs to be propagated
        // via old modeler events, but we leave this to the controller
        // since model knows nothing about Modeler mediator.
        relationship.setTargetEntityName(objectTarget);
    }
    // check for path modifications
    List<DbRelationship> oldPath = relationship.getDbRelationships();
    if (oldPath.size() != savedDbRelationships.size()) {
        hasChanges = true;
        updatePath();
    } else {
        for (int i = 0; i < oldPath.size(); i++) {
            DbRelationship next = savedDbRelationships.get(i);
            if (oldPath.get(i) != next) {
                hasChanges = true;
                updatePath();
                break;
            }
        }
    }
    String collectionType = ObjRelationship.DEFAULT_COLLECTION_TYPE.equals(targetCollection) || !relationship.isToMany() ? null : targetCollection;
    if (!Util.nullSafeEquals(collectionType, relationship.getCollectionType())) {
        hasChanges = true;
        relationship.setCollectionType(collectionType);
    }
    // map key only makes sense for Map relationships
    String mapKey = COLLECTION_TYPE_MAP.equals(collectionType) && !DEFAULT_MAP_KEY.equals(this.mapKey) ? this.mapKey : null;
    if (!Util.nullSafeEquals(mapKey, relationship.getMapKey())) {
        hasChanges = true;
        relationship.setMapKey(mapKey);
    }
    /**
     * As of CAY-436 here we check if to-many property has changed during
     * the editing, and if so, delete rule must be reset to default value
     */
    if (hasChanges && relationship.isToMany() != oldToMany) {
        DeleteRuleUpdater.updateObjRelationship(relationship);
    }
    return hasChanges;
}

Example 93 with DbRelationship

use of org.apache.cayenne.map.DbRelationship in project cayenne by apache.

the class DbEntityRelationshipPanel method tableChanged.

public void tableChanged(TableModelEvent e) {
    if (table.getSelectedRow() >= 0) {
        DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
        DbRelationship rel = model.getRelationship(table.getSelectedRow());
        enabledResolve = (rel.getTargetEntity() != null);
        resolveMenu.setEnabled(enabledResolve);
    }
}

Example 94 with DbRelationship

use of org.apache.cayenne.map.DbRelationship in project cayenne by apache.

the class DbEntityRelationshipPanel method initController.

private void initController() {
    this.mediator.addDbEntityDisplayListener(this);
    this.mediator.addDbEntityListener(this);
    this.mediator.addDbRelationshipListener(this);
    resolver = new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            int row = table.getSelectedRow();
            if (row < 0) {
                return;
            }
            // Get DbRelationship
            DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
            DbRelationship rel = model.getRelationship(row);
            ResolveDbRelationshipDialog dialog = new ResolveDbRelationshipDialog(rel);
            dialog.setVisible(true);
            dialog.dispose();
        }
    };
    resolveMenu.addActionListener(resolver);
    table.getSelectionModel().addListSelectionListener(new DbRelationshipListSelectionListener());
    mediator.getApplication().getActionManager().setupCutCopyPaste(table, CutAttributeRelationshipAction.class, CopyAttributeRelationshipAction.class);
}

Example 95 with DbRelationship

use of org.apache.cayenne.map.DbRelationship in project cayenne by apache.

the class DbEntityRelationshipPanel method dbRelationshipRemoved.

public void dbRelationshipRemoved(RelationshipEvent e) {
    DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
    DbRelationship relationship = (DbRelationship) e.getRelationship();
    int ind = model.getObjectList().indexOf(relationship);
    model.removeRelationship(relationship);
    table.select(ind);
}