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package oracle.toplink.essentials.internal.parsing;

/**
 * INTERNAL
 * <p><b>Purpose</b>: Represent collection member identification variable
 * declaration as part of the FROM clause: IN(c.orders) o.
 * <p><b>Responsibilities</b>:<ul>
 * <li> Manage the path node specifying the collection.
 * </ul>
 */
public class CollectionMemberDeclNode extends IdentificationVariableDeclNode {

    private Node path;
    
    /** */
    public Node getPath() {
        return path;
    }
    
    /** */
    public void setPath(Node node) {
        path = node;
    }
    
    /** 
     * INTERNAL 
     * Check the path child node for an unqualified field access and if so,
     * replace it by a qualified field access. 
     */
    public Node qualifyAttributeAccess(ParseTreeContext context) {
        if (path != null) {
            path = path.qualifyAttributeAccess(context);
        }
        return this;
    }

    /**
     * INTERNAL
     * Validate node and calculate its type.
     */
    public void validate(ParseTreeContext context) {
        super.validate(context);
        if (path != null) {
            path.validate(context);
            setType(path.getType());
        }
    }
}