| /* |
| * Copyright 2005-2006 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| /* |
| * @(#)$Id: |
| */ |
| package com.sun.xml.internal.bind.v2.runtime.property; |
| |
| import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl; |
| import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Scope; |
| |
| |
| /** |
| * Pass around a 'ticket dispenser' when creating new |
| * unmarshallers. This controls the index of the slot |
| * allocated to the chain of handlers. |
| |
| * |
| * <p> |
| * A ticket dispenser also maintains the offset for handlers |
| * to access state slots. A handler records this value when it's created. |
| * |
| * |
| */ |
| public final class UnmarshallerChain { |
| /** |
| * This offset allows child unmarshallers to have its own {@link Scope} without colliding with siblings. |
| */ |
| private int offset = 0; |
| |
| public final JAXBContextImpl context; |
| |
| public UnmarshallerChain(JAXBContextImpl context) { |
| this.context = context; |
| } |
| |
| /** |
| * Allocates a new {@link Scope} offset. |
| */ |
| public int allocateOffset() { |
| return offset++; |
| } |
| |
| /** |
| * Gets the number of total scope offset allocated. |
| */ |
| public int getScopeSize() { |
| return offset; |
| } |
| } |