/* * Licensed Materials - Property of Rogue Wave Software, Inc. * © Copyright Rogue Wave Software, Inc. 2014, 2015 * © Copyright IBM Corp. 2009, 2014 * © Copyright ILOG 1996, 2009 * All Rights Reserved. * * Note to U.S. Government Users Restricted Rights: * The Software and Documentation were developed at private expense and * are "Commercial Items" as that term is defined at 48 CFR 2.101, * consisting of "Commercial Computer Software" and * "Commercial Computer Software Documentation", as such terms are * used in 48 CFR 12.212 or 48 CFR 227.7202-1 through 227.7202-4, * as applicable. */ package datasource.explorer; import ilog.cpl.datasource.IlpDataSource; import ilog.cpl.datasource.structure.IlpChild; import ilog.cpl.model.IlpObject; import ilog.cpl.util.IlpFilter; public class OriginFilter implements IlpFilter { IlpObject origin; IlpDataSource dataSource; boolean recurse; /** * Filter that returns true for all objects contained under the given origin. * If the <code>recurse</code> parameter is true, children recursively * contained are also accepted. */ public OriginFilter(IlpDataSource dataSource, IlpObject origin, boolean recurse) { this.dataSource = dataSource; this.origin = origin; this.recurse = recurse; } public IlpObject getOrigin(){return this.origin;} public boolean isChildOfOrigin(IlpObject object) { if (object==origin) return false; // Null origin with recursion allows all objects, // and that is not what we want if ((origin==null) && recurse) return false; IlpChild childItf = dataSource.getChildInterface(object); // if no child interface, this object only qualifies if there is no origin if (childItf==null) return (origin==null); IlpObject parent = dataSource.getObject(childItf.getParent(object)); if (parent==origin) return true; else return (recurse && isChildOfOrigin(parent)); } /** * Accept only objects that are contained under the origin */ public boolean accept (Object object) { return isChildOfOrigin((IlpObject)object); } }