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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
//     05/16/2008-1.0M8 Guy Pelletier
//       - 218084: Implement metadata merging functionality between mapping file
//     09/23/2008-1.1 Guy Pelletier
//       - 241651: JPA 2.0 Access Type support
//     10/01/2008-1.1 Guy Pelletier
//       - 249329: To remain JPA 1.0 compliant, any new JPA 2.0 annotations should be referenced by name
//     04/09/2010-2.1 Guy Pelletier
//       - 307050: Add defaults for access methods of a VIRTUAL access type
//     04/27/2010-2.1 Guy Pelletier
//       - 309856: MappedSuperclasses from XML are not being initialized properly
//     12/01/2010-2.2 Guy Pelletier
//       - 331234: xml-mapping-metadata-complete overriden by metadata-complete specification
//     03/24/2011-2.3 Guy Pelletier
//       - 337323: Multi-tenant with shared schema support (part 1)
//     07/03/2011-2.3.1 Guy Pelletier
//       - 348756: m_cascadeOnDelete boolean should be changed to Boolean
package org.eclipse.persistence.internal.jpa.metadata.xml;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.persistence.internal.jpa.metadata.ORMetadata;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAccessibleObject;
import org.eclipse.persistence.internal.jpa.metadata.columns.TenantDiscriminatorColumnMetadata;
import org.eclipse.persistence.internal.jpa.metadata.listeners.EntityListenerMetadata;
import org.eclipse.persistence.internal.jpa.metadata.mappings.AccessMethodsMetadata;

/**
 * Object to hold onto the XML persistence unit defaults.
 *
 * Key notes:
 * - any metadata mapped from XML to this class must be compared in the
 *   equals method.
 * - when loading from annotations, the constructor accepts the metadata
 *   accessor this metadata was loaded from. Used it to look up any
 *   'companion' annotation needed for processing.
 * - methods should be preserved in alphabetical order.
 *
 * @author Guy Pelletier
 * @since EclipseLink 1.0
 */
public class XMLPersistenceUnitDefaults extends ORMetadata {
    private AccessMethodsMetadata m_accessMethods;

    private Boolean m_cascadePersist;
    private Boolean m_delimitedIdentifiers;

    private List m_entityListeners = new ArrayList();
    private List m_tenantDiscriminatorColumns = new ArrayList();

    private String m_access;
    private String m_catalog;
    private String m_schema;

    /**
     * INTERNAL:
     */
    public XMLPersistenceUnitDefaults() {
        super("");
    }

    /**
     * INTERNAL:
     */
    public boolean equals(Object objectToCompare) {
        if (objectToCompare instanceof XMLPersistenceUnitDefaults) {
            XMLPersistenceUnitDefaults persistenceUnitDefaults = (XMLPersistenceUnitDefaults) objectToCompare;

            if (! valuesMatch(persistenceUnitDefaults.getAccess(), getAccess())) {
                return false;
            }

            if (! valuesMatch(persistenceUnitDefaults.getCatalog(), getCatalog())) {
                return false;
            }

            if (! valuesMatch(persistenceUnitDefaults.getSchema(), getSchema())) {
                return false;
            }

            if (! valuesMatch(persistenceUnitDefaults.getCascadePersist(), getCascadePersist())) {
                return false;
            }

            if (! valuesMatch(persistenceUnitDefaults.getDelimitedIdentifiers(), getDelimitedIdentifiers())) {
                return false;
            }

            if (! valuesMatch(persistenceUnitDefaults.getAccessMethods(), getAccessMethods())) {
                return false;
            }

            if (! valuesMatch(persistenceUnitDefaults.getTenantDiscriminatorColumns(), getTenantDiscriminatorColumns())) {
                return false;
            }

            return valuesMatch(persistenceUnitDefaults.getEntityListeners(), getEntityListeners());
        }

        return false;
    }

    @Override
    public int hashCode() {
        AccessMethodsMetadata accessMethods = getAccessMethods();
        Boolean cascadePersist = getCascadePersist();
        Boolean delimitedIdentifiers = getDelimitedIdentifiers();
        List entityListeners = getEntityListeners();
        List tenantDiscriminatorColumns = getTenantDiscriminatorColumns();
        String access = getAccess();
        String catalog = getCatalog();
        String schema = getSchema();
        
        int result = accessMethods != null ? accessMethods.hashCode() : 0;
        result = 31 * result + (cascadePersist != null ? cascadePersist.hashCode() : 0);
        result = 31 * result + (delimitedIdentifiers != null ? delimitedIdentifiers.hashCode() : 0);
        result = 31 * result + (entityListeners != null ? entityListeners.hashCode() : 0);
        result = 31 * result + (tenantDiscriminatorColumns != null ? tenantDiscriminatorColumns.hashCode() : 0);
        result = 31 * result + (access != null ? access.hashCode() : 0);
        result = 31 * result + (catalog != null ? catalog.hashCode() : 0);
        result = 31 * result + (schema != null ? schema.hashCode() : 0);
        return result;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public String getAccess() {
        return m_access;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public AccessMethodsMetadata getAccessMethods() {
        return m_accessMethods;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public Boolean getCascadePersist() {
        return m_cascadePersist;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public String getCatalog() {
        return m_catalog;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public Boolean getDelimitedIdentifiers() {
        return m_delimitedIdentifiers;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public List getEntityListeners() {
        return m_entityListeners;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public String getSchema() {
        return m_schema;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public List getTenantDiscriminatorColumns() {
        return m_tenantDiscriminatorColumns;
    }

    /**
     * INTERNAL:
     */
    public boolean hasAccessMethods() {
        return m_accessMethods != null;
    }

    /**
     * INTERNAL:
     */
    @Override
    public void initXMLObject(MetadataAccessibleObject accessibleObject, XMLEntityMappings entityMappings) {
        super.initXMLObject(accessibleObject, entityMappings);

        // Initialize single objects.
        initXMLObject(m_accessMethods, accessibleObject);

        // Initialize lists of ORMetadata objects.
        initXMLObjects(m_entityListeners, accessibleObject);
        initXMLObjects(m_tenantDiscriminatorColumns, accessibleObject);
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public boolean isCascadePersist() {
        return m_cascadePersist != null && m_cascadePersist.booleanValue();
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public boolean isDelimitedIdentifiers(){
        return m_delimitedIdentifiers != null && m_delimitedIdentifiers.booleanValue();
    }

    /**
     * INTERNAL:
     */
    @Override
    public void merge(ORMetadata metadata) {
        XMLPersistenceUnitDefaults persistenceUnitDefaults = (XMLPersistenceUnitDefaults) metadata;
        if (persistenceUnitDefaults != null) {
            // Simple object merging.
            m_cascadePersist = (Boolean) mergeSimpleObjects(m_cascadePersist, persistenceUnitDefaults.getCascadePersist(), persistenceUnitDefaults, "cascade-persist");
            m_delimitedIdentifiers = (Boolean) mergeSimpleObjects(m_delimitedIdentifiers, persistenceUnitDefaults.getDelimitedIdentifiers(), persistenceUnitDefaults, "delimited-identifiers");
            m_access = (String) mergeSimpleObjects(m_access, persistenceUnitDefaults.getAccess(), persistenceUnitDefaults, "");
            m_catalog = (String) mergeSimpleObjects(m_catalog, persistenceUnitDefaults.getCatalog(), persistenceUnitDefaults, "");
            m_schema = (String) mergeSimpleObjects(m_schema, persistenceUnitDefaults.getSchema(),  persistenceUnitDefaults, "");

            // ORMetadata object merging.
            m_accessMethods = (AccessMethodsMetadata) mergeORObjects(m_accessMethods, persistenceUnitDefaults.getAccessMethods());

            // ORMetadata list merging.
            m_entityListeners = mergeORObjectLists(m_entityListeners, persistenceUnitDefaults.getEntityListeners());
            m_tenantDiscriminatorColumns = mergeORObjectLists(m_tenantDiscriminatorColumns, persistenceUnitDefaults.getTenantDiscriminatorColumns());
        }
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setAccess(String access) {
        m_access = access;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setAccessMethods(AccessMethodsMetadata accessMethods){
        m_accessMethods = accessMethods;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setCascadePersist(Boolean cascadePersist) {
        m_cascadePersist = cascadePersist;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setCatalog(String catalog) {
        m_catalog = catalog;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setDelimitedIdentifiers(Boolean delimitedIdentifiers){
        m_delimitedIdentifiers = delimitedIdentifiers;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setEntityListeners(List entityListeners) {
        m_entityListeners = entityListeners;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setSchema(String schema) {
        m_schema = schema;
    }

    /**
     * INTERNAL:
     * Used for OX mapping.
     */
    public void setTenantDiscriminatorColumns(List tenantDiscriminatorColumns) {
        m_tenantDiscriminatorColumns = tenantDiscriminatorColumns;
    }
}




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