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/*
 * Copyright (c) 1998, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm.record;

import org.eclipse.persistence.internal.core.sessions.CoreAbstractSession;
import org.eclipse.persistence.internal.oxm.NamespaceResolver;
import org.eclipse.persistence.internal.oxm.NodeValue;
import org.eclipse.persistence.internal.oxm.XPathFragment;
import org.eclipse.persistence.internal.oxm.XPathNode;
import org.eclipse.persistence.internal.oxm.mappings.Mapping;

/**
 * The MarshalContext allows mappings to be marshalled differently depending on
 * the type of object.  For example POJOs are marshalled based on the order in
 * which mappings were added to the descriptor, while sequenced objects are based
 * on the order of their Setting objects.
 */
public interface MarshalContext {

    /**
     * @return Return the MarshalContext at the specified position.
     */
    public MarshalContext getMarshalContext(int index);

    /**
     * @return The number of non-attribute children.  For POJOs this is
     * based on the number of non-attribute mappings, and for sequenced
     * objects this is based on the number of Setting objects.
     */
    public int getNonAttributeChildrenSize(XPathNode xPathNode);

    /**
     * @return The non-attribute child at the specified index for the
     * specified xPathNode.
     */
    public Object getNonAttributeChild(int index, XPathNode xPathNode);

    /**
     * @return the attribute value corresponding to the object parameter.
     */
    public Object getAttributeValue(Object object, Mapping mapping);

    /**
     * Perform a marshal using the NodeValue parameter.
     * @return If anything as marshalled as a result of this call.
     */
    public boolean marshal(NodeValue nodeValue, XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, CoreAbstractSession session, NamespaceResolver namespaceResolver);

    public boolean marshal(NodeValue nodeValue, XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, CoreAbstractSession session, NamespaceResolver namespaceResolver, XPathFragment rootFragment);

}