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XML Schema Object Model (XSOM) is a Java library that allows applications to easily parse XML Schema documents and inspect information in them. It is expected to be useful for applications that need to take XML Schema as an input.

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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.xsom;

/*-
 * #%L
 * XSOM
 * %%
 * Copyright (C) 2019 - 2020 Entur
 * %%
 * Licensed under the EUPL, Version 1.1 or – as soon they will be
 * approved by the European Commission - subsequent versions of the
 * EUPL (the "Licence");
 * 
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * 
 * http://ec.europa.eu/idabc/eupl5
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 * #L%
 */

import java.math.*;

/**
 * Particle schema component.
 * 
 * @author
 *  Kohsuke Kawaguchi ([email protected])
 */
public interface XSParticle extends XSContentType
{
    BigInteger getMinOccurs();
    /**
     * Gets the max occurs property.
     * 
     * @return
     *      {@link UNBOUNDED} will be returned if the value
     *      is "unbounded".
     */
    BigInteger getMaxOccurs();

    /**
     * True if the maxOccurs is neither 0 or 1.
     */
    boolean isRepeated();

    public static final int UNBOUNDED = -1;

    XSTerm getTerm();
}