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

Example 16 with Entity

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

the class DbAttributePathComboBoxEditor method getFirstEntity.

private Entity getFirstEntity(ObjAttribute attribute) {
    Iterator<CayenneMapEntry> it = attribute.getDbPathIterator();
    Entity firstEnt = attribute.getDbAttribute().getEntity();
    boolean setEnt = false;
    while (it.hasNext()) {
        Object ob = it.next();
        if (ob instanceof DbRelationship) {
            if (!setEnt) {
                firstEnt = ((DbRelationship) ob).getSourceEntity();
                setEnt = true;
            }
        } else if (ob instanceof DbAttribute) {
            if (!setEnt) {
                firstEnt = ((DbAttribute) ob).getEntity();
            }
        }
    }
    return firstEnt;
}

Example 17 with Entity

use of org.apache.cayenne.map.Entity 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 18 with Entity

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

the class ProjectUtil method setAttributeName.

/**
 * Changes the name of the attribute and all references to this attribute.
 */
public static void setAttributeName(Attribute attribute, String newName) {
    String oldName = attribute.getName();
    attribute.setName(newName);
    Entity entity = attribute.getEntity();
    if (entity != null) {
        entity.removeAttribute(oldName);
        entity.addAttribute(attribute);
    }
}

Example 19 with Entity

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

the class AttributeDisplayEventType method fireLastDisplayEvent.

@Override
public void fireLastDisplayEvent() {
    DataChannelDescriptor dataChannel = (DataChannelDescriptor) controller.getProject().getRootNode();
    if (!dataChannel.getName().equals(preferences.getDomain())) {
        return;
    }
    DataNodeDescriptor dataNode = dataChannel.getNodeDescriptor(preferences.getNode());
    DataMap dataMap = dataChannel.getDataMap(preferences.getDataMap());
    if (dataMap == null) {
        return;
    }
    Entity entity = getLastEntity(dataMap);
    if (entity == null) {
        return;
    }
    Attribute[] attributes = getLastEntityAttributes(entity);
    EntityDisplayEvent entityDisplayEvent = new EntityDisplayEvent(this, entity, dataMap, dataNode, dataChannel);
    AttributeDisplayEvent attributeDisplayEvent = new AttributeDisplayEvent(this, attributes, entity, dataMap, dataChannel);
    if (entity instanceof ObjEntity) {
        controller.fireObjEntityDisplayEvent(entityDisplayEvent);
        controller.fireObjAttributeDisplayEvent(attributeDisplayEvent);
    } else if (entity instanceof DbEntity) {
        controller.fireDbEntityDisplayEvent(entityDisplayEvent);
        controller.fireDbAttributeDisplayEvent(attributeDisplayEvent);
    }
}

Example 20 with Entity

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

the class EntityEventTest method testConstructor2.

@Test
public void testConstructor2() throws Exception {
    Object src = new Object();
    Entity d = new DbEntity("abc");
    EntityEvent e = new EntityEvent(src, d, "oldname");
    assertSame(src, e.getSource());
    assertSame(d, e.getEntity());
    assertEquals("oldname", e.getOldName());
}