/*
* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package org.visage.runtime.sequence;
import org.visage.runtime.VisageObject;
public abstract class BoundForOverNullableSingleton<T, PT> extends BoundForOverVaryingAbstract<T, PT> {
public BoundForOverNullableSingleton(VisageObject container, int forVarNum, int inductionSeqVarNum, boolean dependsOnIndex) {
super(container, forVarNum, inductionSeqVarNum, dependsOnIndex);
}
protected void restoreValidState(int lowPart, int highPart) {
//TODO: This maintains existing semantics -- remove for better performance
inWholesaleUpdate = true;
for (int ipart = lowPart; ipart < highPart; ++ipart) {
get(ipart);
}
inWholesaleUpdate = false;
}
/***
protected void restoreValidState(int lowPart, int highPart) {
for (int ipart = lowPart; ipart < highPart; ++ipart) {
VisageForPart part = getPart(ipart);
part.varChangeBits$(partResultVarNum, VFLGS$STATE_MASK, VFLGS$STATE$VALID);
}
}
* ***/
/** Get the size of part ipart. */
@Override
protected int size(int ipart) {
VisageForPart part = getPart(ipart);
return part.get$(partResultVarNum) == null? 0 : 1;
}
/** Get the j'th item of part ipart -- which for a singleton, is just the item. */
@Override
protected T get(int ipart, int j) {
VisageForPart part = getPart(ipart);
return (T) part.get$(partResultVarNum);
}
}