jaxws/src/share/classes/com/sun/xml/internal/rngom/digested/DDefine.java

/*
 * Copyright 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.
 */

package com.sun.xml.internal.rngom.digested;

/**
 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
 */
public class DDefine {
    private final String name;

    private DPattern pattern;
    private Boolean nullable;
    DAnnotation annotation;

    public DDefine(String name) {
        this.name = name;
    }

    public DPattern getPattern() {
        return pattern;
    }

    public DAnnotation getAnnotation() {
        if(annotation==null)
            return DAnnotation.EMPTY;
        return annotation;
    }

    public void setPattern(DPattern pattern) {
        this.pattern = pattern;
        this.nullable = null;
    }

    /**
     * Gets the name of the pattern block.
     */
    public String getName() {
        return name;
    }

    public boolean isNullable() {
        if(nullable==null)
            nullable = pattern.isNullable()?Boolean.TRUE:Boolean.FALSE;
        return nullable.booleanValue();
    }
}