Examples with CayenneMapEntry org.apache.cayenne.util.CayenneMapEntry used on opensource projects

Example 6 with CayenneMapEntry

use of org.apache.cayenne.util.CayenneMapEntry in project cayenne by apache.

the class ObjAttribute method getParentDbAttribute.

private DbAttribute getParentDbAttribute(ObjEntity entity) {
    if (entity != null) {
        ObjEntity parent = entity.getSuperEntity();
        if (parent != null) {
            Iterator<CayenneMapEntry> pathIterator = getDbPathIterator(parent);
            CayenneMapEntry o = null;
            while (pathIterator.hasNext()) {
                o = pathIterator.next();
            }
            if (o == null) {
                return getParentDbAttribute(parent);
            }
            return (DbAttribute) o;
        }
    }
    return null;
}

Example 7 with CayenneMapEntry

use of org.apache.cayenne.util.CayenneMapEntry 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 8 with CayenneMapEntry

use of org.apache.cayenne.util.CayenneMapEntry in project cayenne by apache.

the class ObjAttribute method getDbAttribute.

/**
 * Returns a DbAttribute mapped by this ObjAttribute.
 */
public DbAttribute getDbAttribute() {
    Iterator<CayenneMapEntry> pathIterator = getDbPathIterator(getEntity());
    CayenneMapEntry o = null;
    while (pathIterator.hasNext()) {
        o = pathIterator.next();
    }
    if (o == null) {
        return getParentDbAttribute(getEntity());
    }
    return (DbAttribute) o;
}

Example 9 with CayenneMapEntry

use of org.apache.cayenne.util.CayenneMapEntry in project cayenne by apache.

the class ObjAttribute method updateDbAttributePath.

/**
 * Updates DbAttributePath for this ObjAttribute
 */
public void updateDbAttributePath() {
    if (isFlattened()) {
        StringBuilder newDbAttributePath = new StringBuilder();
        Iterator<CayenneMapEntry> dbPathIterator = getDbPathIterator();
        while (dbPathIterator.hasNext()) {
            CayenneMapEntry next = dbPathIterator.next();
            newDbAttributePath.append(next.getName());
            if (next instanceof DbRelationship) {
                newDbAttributePath.append('.');
            }
        }
        setDbAttributePath(newDbAttributePath.toString());
    }
}

Example 10 with CayenneMapEntry

use of org.apache.cayenne.util.CayenneMapEntry in project cayenne by apache.

the class ObjRelationship method refreshFromPath.

/**
 * Rebuild a list of relationships if String relationshipPath has changed.
 */
final void refreshFromPath(String dbRelationshipPath, boolean stripInvalid) {
    // remove existing relationships
    dbRelationships.clear();
    if (dbRelationshipPath != null) {
        ObjEntity entity = (ObjEntity) getSourceEntity();
        if (entity == null) {
            throw new CayenneRuntimeException("Can't resolve DbRelationships, null source ObjEntity");
        }
        try {
            // add new relationships from path
            Iterator<CayenneMapEntry> it = entity.resolvePathComponents(new ASTDbPath(dbRelationshipPath));
            while (it.hasNext()) {
                DbRelationship relationship = (DbRelationship) it.next();
                dbRelationships.add(relationship);
            }
        } catch (ExpressionException ex) {
            if (!stripInvalid) {
                throw ex;
            }
        }
    }
    recalculateToManyValue();
    recalculateReadOnlyValue();
}