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

Example 16 with ObjAttribute

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

the class DefaultValueTransformerFactory method getJavaType.

// TODO: calculating Java type of ObjAttribute may become unneeded per
// CAY-1752, as DbAttribute will have it.
protected String getJavaType(DbAttribute a) {
    DbEntity dbEntity = a.getEntity();
    DataMap dataMap = dbEntity.getDataMap();
    Collection<String> javaTypes = new HashSet<>();
    for (ObjEntity objEntity : dataMap.getMappedEntities(dbEntity)) {
        for (ObjAttribute oa : objEntity.getAttributes()) {
            // TODO: this won't pick up flattened attributes
            if (a.getName().equals(oa.getDbAttributePath())) {
                javaTypes.add(oa.getType());
            }
        }
    }
    if (javaTypes.size() != 1) {
        String javaType = TypesMapping.getJavaBySqlType(a.getType());
        String attributeName = dbEntity.getName() + "." + a.getName();
        String msg = javaTypes.size() > 1 ? "ObjAttributes with different java types" : "No ObjAttributes";
        // Warn user about this problem as there is nothing else we can do
        logger.warn(msg + " bound to DbAttribute '" + attributeName + "', " + javaType + " type will be used.");
        return javaType;
    }
    return javaTypes.iterator().next();
}

Example 17 with ObjAttribute

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

the class EntityMergeSupport method createObjRelationship.

private boolean createObjRelationship(ObjEntity entity, DbRelationship dr, String targetEntityName) {
    ObjRelationship or = new ObjRelationship();
    or.setName(NameBuilder.builder(or, entity).baseName(nameGenerator.relationshipName(dr)).name());
    or.addDbRelationship(dr);
    Map<String, ObjEntity> objEntities = entity.getDataMap().getSubclassesForObjEntity(entity);
    boolean hasFlattingAttributes = false;
    boolean needGeneratedEntity = true;
    if (objEntities.containsKey(targetEntityName)) {
        needGeneratedEntity = false;
    }
    for (ObjEntity subObjEntity : objEntities.values()) {
        for (ObjAttribute objAttribute : subObjEntity.getAttributes()) {
            String path = objAttribute.getDbAttributePath();
            if (path != null) {
                if (path.startsWith(or.getDbRelationshipPath())) {
                    hasFlattingAttributes = true;
                    break;
                }
            }
        }
    }
    if (!hasFlattingAttributes) {
        if (needGeneratedEntity) {
            or.setTargetEntityName(targetEntityName);
            or.setSourceEntity(entity);
        }
        entity.addRelationship(or);
        fireRelationshipAdded(or);
    }
    return needGeneratedEntity;
}

Example 18 with ObjAttribute

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

the class DropColumnToModel method execute.

@Override
public void execute(MergerContext mergerContext) {
    // remove relationships mapped to column. duplicate List to prevent
    // ConcurrentModificationException
    List<DbRelationship> dbRelationships = new ArrayList<>(getEntity().getRelationships());
    for (DbRelationship dbRelationship : dbRelationships) {
        for (DbJoin join : dbRelationship.getJoins()) {
            if (join.getSource() == getColumn() || join.getTarget() == getColumn()) {
                remove(mergerContext.getDelegate(), dbRelationship, true);
            }
        }
    }
    // remove ObjAttribute mapped to same column
    for (ObjEntity objEntity : getEntity().mappedObjEntities()) {
        ObjAttribute objAttribute = objEntity.getAttributeForDbAttribute(getColumn());
        if (objAttribute != null) {
            objEntity.removeAttribute(objAttribute.getName());
            mergerContext.getDelegate().objAttributeRemoved(objAttribute);
        }
    }
    // remove DbAttribute
    getEntity().removeAttribute(getColumn().getName());
    mergerContext.getDelegate().dbAttributeRemoved(getColumn());
}

Example 19 with ObjAttribute

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

the class MergerFactoryIT method testAddTableToDb.

@Test
public void testAddTableToDb() throws Exception {
    dropTableIfPresent("NEW_TABLE");
    assertTokensAndExecute(0, 0);
    DbEntity dbEntity = new DbEntity("NEW_TABLE");
    DbAttribute column1 = new DbAttribute("ID", Types.INTEGER, dbEntity);
    column1.setMandatory(true);
    column1.setPrimaryKey(true);
    dbEntity.addAttribute(column1);
    DbAttribute column2 = new DbAttribute("NAME", Types.VARCHAR, dbEntity);
    column2.setMaxLength(10);
    column2.setMandatory(false);
    dbEntity.addAttribute(column2);
    map.addDbEntity(dbEntity);
    assertTokensAndExecute(1, 0);
    assertTokensAndExecute(0, 0);
    ObjEntity objEntity = new ObjEntity("NewTable");
    objEntity.setDbEntity(dbEntity);
    ObjAttribute oatr1 = new ObjAttribute("name");
    oatr1.setDbAttributePath(column2.getName());
    oatr1.setType("java.lang.String");
    objEntity.addAttribute(oatr1);
    map.addObjEntity(objEntity);
    for (int i = 0; i < 5; i++) {
        CayenneDataObject dao = (CayenneDataObject) context.newObject(objEntity.getName());
        dao.writeProperty(oatr1.getName(), "test " + i);
    }
    context.commitChanges();
    // clear up
    map.removeObjEntity(objEntity.getName(), true);
    map.removeDbEntity(dbEntity.getName(), true);
    resolver.refreshMappingCache();
    assertNull(map.getObjEntity(objEntity.getName()));
    assertNull(map.getDbEntity(dbEntity.getName()));
    assertFalse(map.getDbEntities().contains(dbEntity));
    assertTokensAndExecute(1, 0);
    assertTokensAndExecute(0, 0);
}

Example 20 with ObjAttribute

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

the class ObjAttributeTableModel method setObjAttributeType.

private void setObjAttributeType(ObjAttributeWrapper attribute, Object value) {
    String oldType = attribute.getType();
    String newType = value != null ? value.toString() : null;
    attribute.setType(newType);
    if (oldType == null || newType == null) {
        return;
    }
    String[] registeredTypes = ModelerUtil.getRegisteredTypeNames();
    Collection<String> registeredTypesList = Arrays.asList(registeredTypes);
    if (registeredTypesList.contains(oldType) == registeredTypesList.contains(newType)) {
        return;
    }
    ObjEntity entity = attribute.getEntity();
    ObjAttribute attributeNew;
    if (registeredTypesList.contains(newType) || !mediator.getEmbeddableNamesInCurrentDataDomain().contains(newType)) {
        attributeNew = new ObjAttribute();
        attributeNew.setDbAttributePath(attribute.getDbAttributePath());
    } else {
        attributeNew = new EmbeddedAttribute();
        attributeNew.setDbAttributePath(null);
    }
    attributeNew.setName(attribute.getName());
    attributeNew.setEntity(entity);
    attributeNew.setParent(attribute.getParent());
    attributeNew.setType(attribute.getType());
    attributeNew.setUsedForLocking(attribute.isUsedForLocking());
    entity.updateAttribute(attributeNew);
    mediator.fireObjEntityEvent(new EntityEvent(this, entity, MapEvent.CHANGE));
    mediator.fireObjEntityDisplayEvent(new EntityDisplayEvent(this, mediator.getCurrentObjEntity(), mediator.getCurrentDataMap(), (DataChannelDescriptor) mediator.getProject().getRootNode()));
    mediator.fireObjAttributeEvent(new AttributeEvent(this, attributeNew, entity, MapEvent.CHANGE));
    mediator.fireObjAttributeDisplayEvent(new AttributeDisplayEvent(this, attributeNew, mediator.getCurrentObjEntity(), mediator.getCurrentDataMap(), (DataChannelDescriptor) mediator.getProject().getRootNode()));
}