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

Example 41 with DbRelationship

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

the class DbRelationshipPathComboBoxEditor method enterPressed.

@Override
protected void enterPressed(JTable table) {
    String dbRelationshipPath = ((JTextComponent) (comboBoxPathChooser).getEditor().getEditorComponent()).getText();
    changeObjEntity(dbRelationshipPath);
    Object currentNode = getCurrentNode(dbRelationshipPath);
    String[] pathStrings = dbRelationshipPath.split(Pattern.quote("."));
    String lastStringInPath = pathStrings[pathStrings.length - 1];
    if (lastStringInPath.equals(ModelerUtil.getObjectName(currentNode)) && currentNode instanceof DbRelationship) {
        if (enterPressedCount == 1) {
            // it is second time enter pressed.. so we will save input data
            enterPressedCount = 0;
            if (table.getCellEditor() != null) {
                table.getCellEditor().stopCellEditing();
                if (dbRelationshipPath.equals(savePath)) {
                    return;
                }
                // we need object target to save it in model
                DbEntity lastEntity = ((DbRelationship) currentNode).getTargetEntity();
                Collection<ObjEntity> objEntities = ((DbRelationship) currentNode).getTargetEntity().getDataMap().getMappedEntities(lastEntity);
                ObjEntity objectTarget = objEntities.isEmpty() ? null : objEntities.iterator().next();
                model.getRelationship(row).setTargetEntityName(objectTarget);
                model.setUpdatedValueAt(dbRelationshipPath, row, REL_TARGET_PATH_COLUMN);
                model.getRelationship(row).setDbRelationshipPath(dbRelationshipPath);
                model.getRelationship(row).setMapKey(null);
            }
            table.repaint();
        }
        enterPressedCount = 1;
    }
}

Example 42 with DbRelationship

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

the class ProjectUtil method getRelationshipsUsingAttributeAsTarget.

/**
 * Returns a collection of DbRelationships that use this attribute as a source.
 */
public static Collection<DbRelationship> getRelationshipsUsingAttributeAsTarget(DbAttribute attribute) {
    Entity parent = attribute.getEntity();
    if (parent == null) {
        return Collections.EMPTY_LIST;
    }
    DataMap map = parent.getDataMap();
    if (map == null) {
        return Collections.EMPTY_LIST;
    }
    Collection<DbRelationship> relationships = new ArrayList<DbRelationship>();
    for (Entity entity : map.getDbEntities()) {
        if (entity == parent) {
            continue;
        }
        Collection<DbRelationship> entityRelationships = (Collection<DbRelationship>) entity.getRelationships();
        for (DbRelationship relationship : entityRelationships) {
            if (ProjectUtil.containsTargetAttribute(relationship, attribute)) {
                relationships.add(relationship);
            }
        }
    }
    return relationships;
}

Example 43 with DbRelationship

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

the class EOModelProcessor method makeRelationships.

/**
 * Create ObjRelationships of the specified entity, as well as
 * DbRelationships of the corresponding DbEntity.
 */
protected void makeRelationships(EOModelHelper helper, ObjEntity objEntity) {
    Map entityPlistMap = helper.entityPListMap(objEntity.getName());
    List classProps = (List) entityPlistMap.get("classProperties");
    List rinfo = (List) entityPlistMap.get("relationships");
    Collection attributes = (Collection) entityPlistMap.get("attributes");
    if (rinfo == null) {
        return;
    }
    if (classProps == null) {
        classProps = Collections.EMPTY_LIST;
    }
    if (attributes == null) {
        attributes = Collections.EMPTY_LIST;
    }
    DbEntity dbSrc = objEntity.getDbEntity();
    Iterator it = rinfo.iterator();
    while (it.hasNext()) {
        Map relMap = (Map) it.next();
        String targetName = (String) relMap.get("destination");
        // ignore flattened relationships for now
        if (targetName == null) {
            continue;
        }
        String relName = (String) relMap.get("name");
        boolean toMany = "Y".equals(relMap.get("isToMany"));
        boolean toDependentPK = "Y".equals(relMap.get("propagatesPrimaryKey"));
        ObjEntity target = helper.getDataMap().getObjEntity(targetName);
        // ignoring those now.
        if (target == null) {
            continue;
        }
        DbEntity dbTarget = target.getDbEntity();
        Map targetPlistMap = helper.entityPListMap(targetName);
        Collection targetAttributes = (Collection) targetPlistMap.get("attributes");
        DbRelationship dbRel = null;
        // Note: source maybe null, e.g. an abstract entity.
        if (dbSrc != null && dbTarget != null) {
            // in case of inheritance EOF stores duplicates of all inherited
            // relationships, so we must skip this relationship in DB entity
            // if it is
            // already there...
            dbRel = dbSrc.getRelationship(relName);
            if (dbRel == null) {
                dbRel = new DbRelationship();
                dbRel.setSourceEntity(dbSrc);
                dbRel.setTargetEntityName(dbTarget);
                dbRel.setToMany(toMany);
                dbRel.setName(relName);
                dbRel.setToDependentPK(toDependentPK);
                dbSrc.addRelationship(dbRel);
                List joins = (List) relMap.get("joins");
                Iterator jIt = joins.iterator();
                while (jIt.hasNext()) {
                    Map joinMap = (Map) jIt.next();
                    DbJoin join = new DbJoin(dbRel);
                    // find source attribute dictionary and extract the
                    // column name
                    String sourceAttributeName = (String) joinMap.get("sourceAttribute");
                    join.setSourceName(columnName(attributes, sourceAttributeName));
                    String targetAttributeName = (String) joinMap.get("destinationAttribute");
                    join.setTargetName(columnName(targetAttributes, targetAttributeName));
                    dbRel.addJoin(join);
                }
            }
        }
        // only create obj relationship if it is a class property
        if (classProps.contains(relName)) {
            ObjRelationship rel = new ObjRelationship();
            rel.setName(relName);
            rel.setSourceEntity(objEntity);
            rel.setTargetEntityName(target);
            objEntity.addRelationship(rel);
            if (dbRel != null) {
                rel.addDbRelationship(dbRel);
            }
        }
    }
}

Example 44 with DbRelationship

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

the class EOModelProcessor method makeReverseDbRelationships.

/**
 * Create reverse DbRelationships that were not created so far, since
 * Cayenne requires them.
 *
 * @since 1.0.5
 */
protected void makeReverseDbRelationships(DbEntity dbEntity) {
    if (dbEntity == null) {
        throw new NullPointerException("Attempt to create reverse relationships for the null DbEntity.");
    }
    for (DbRelationship relationship : new ArrayList<>(dbEntity.getRelationships())) {
        if (relationship.getReverseRelationship() == null) {
            DbRelationship reverse = relationship.createReverseRelationship();
            reverse.setName(NameBuilder.builder(reverse, reverse.getSourceEntity()).baseName(relationship.getName() + "Reverse").name());
            relationship.getTargetEntity().addRelationship(reverse);
        }
    }
}

Example 45 with DbRelationship

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

the class EOModelProcessorTest method assertLoaded.

protected void assertLoaded(String mapName, DataMap map) throws Exception {
    assertNotNull(map);
    assertEquals(mapName, map.getName());
    // check obj entities
    ObjEntity artistE = map.getObjEntity("Artist");
    assertNotNull(artistE);
    assertEquals("Artist", artistE.getName());
    // check Db entities
    DbEntity artistDE = map.getDbEntity("ARTIST");
    DbEntity artistDE1 = artistE.getDbEntity();
    assertSame(artistDE, artistDE1);
    // check attributes
    ObjAttribute a1 = artistE.getAttribute("artistName");
    assertNotNull(a1);
    DbAttribute da1 = a1.getDbAttribute();
    assertNotNull(da1);
    assertSame(da1, artistDE.getAttribute("ARTIST_NAME"));
    // check ObjRelationships
    ObjRelationship rel = artistE.getRelationship("artistExhibitArray");
    assertNotNull(rel);
    assertEquals(1, rel.getDbRelationships().size());
    // check DbRelationships
    DbRelationship drel = artistDE.getRelationship("artistExhibitArray");
    assertNotNull(drel);
    assertSame(drel, rel.getDbRelationships().get(0));
    // flattened relationships
    ObjRelationship frel = artistE.getRelationship("exhibitArray");
    assertNotNull(frel);
    assertEquals(2, frel.getDbRelationships().size());
    // storing data map may uncover some inconsistencies
    PrintWriter mockupWriter = new NullPrintWriter();
    map.encodeAsXML(new XMLEncoder(mockupWriter), new EmptyConfigurationNodeVisitor());
}