org.eclipse.persistence.internal.oxm.documentpreservation.AbstractDocumentPreservationPolicy Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation

EclipseLink build based upon Git transaction f2b9fc5

There is a newer version: 5.0.0-B03

/*
 * Copyright (c) 2012, 2023 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:
//     Blaise Doughan - 2.5 - initial implementation
package org.eclipse.persistence.internal.oxm.documentpreservation;

import org.eclipse.persistence.internal.oxm.mappings.Mapping;
import org.eclipse.persistence.oxm.documentpreservation.DocumentPreservationPolicy;
import org.w3c.dom.Node;

import java.util.Map;

abstract class AbstractDocumentPreservationPolicy extends DocumentPreservationPolicy {

    protected Map nodesToObjects;
    protected Map objectsToNodes;

    protected AbstractDocumentPreservationPolicy() {
    }

    @Override
    public void addObjectToCache(Object obj, Node node) {
        addObjectToCache(obj, node, null);
    }

    @Override
    public void addObjectToCache(Object obj, Node node, Mapping selfRecordMapping) {
        objectsToNodes.put(obj, node);
        if(selfRecordMapping != null) {
            XMLBinderCacheEntry entry = (XMLBinderCacheEntry)nodesToObjects.get(node);
            if(entry != null) {
                entry.addSelfMappingObject(selfRecordMapping, obj);
            }
        } else {
            XMLBinderCacheEntry entry = new XMLBinderCacheEntry(obj);
            nodesToObjects.put(node, entry);
        }
    }

    @Override
    public Node getNodeForObject(Object obj) {
        return (Node)objectsToNodes.get(obj);
    }

    @Override
    public Object getObjectForNode(Node node) {
        return getObjectForNode(node, null);
    }

    @Override
    public Object getObjectForNode(Node node, Mapping selfRecordMapping) {
        XMLBinderCacheEntry entry = (XMLBinderCacheEntry)nodesToObjects.get(node);
        if(entry != null) {
            if(selfRecordMapping != null) {
                return entry.getSelfMappingObject(selfRecordMapping);
            } else {
                return entry.getRootObject();
            }
        }
        return null;
    }

    @Override
    public boolean shouldPreserveDocument() {
        return true;
    }

}