| /* |
| * Copyright (c) 2011, 2021 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: |
| // 03/24/2011-2.3 Guy Pelletier |
| // - 337323: Multi-tenant with shared schema support (part 1) |
| // 04/01/2011-2.3 Guy Pelletier |
| // - 337323: Multi-tenant with shared schema support (part 2) |
| // 04/05/2011-2.3 Guy Pelletier |
| // - 337323: Multi-tenant with shared schema support (part 3) |
| // 09/09/2011-2.3.1 Guy Pelletier |
| // - 356197: Add new VPD type to MultitenantType |
| // 11/10/2011-2.4 Guy Pelletier |
| // - 357474: Address primaryKey option from tenant discriminator column |
| package org.eclipse.persistence.internal.jpa.metadata.columns; |
| |
| import org.eclipse.persistence.descriptors.SingleTableMultitenantPolicy; |
| import org.eclipse.persistence.internal.helper.DatabaseField; |
| import org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor; |
| import org.eclipse.persistence.internal.jpa.metadata.MetadataLogger; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MultitenantIdAccessor; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation; |
| |
| import static org.eclipse.persistence.config.PersistenceUnitProperties.MULTITENANT_PROPERTY_DEFAULT; |
| |
| /** |
| * Object to hold onto tenant discriminator metadata. |
| * |
| * 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 2.3 |
| */ |
| public class TenantDiscriminatorColumnMetadata extends DiscriminatorColumnMetadata { |
| public static final String NAME_DEFAULT = "TENANT_ID"; |
| |
| private Boolean m_primaryKey; |
| private String m_table; |
| private String m_contextProperty; |
| |
| /** |
| * INTERNAL: |
| * Used for XML loading. |
| */ |
| public TenantDiscriminatorColumnMetadata() { |
| super("<tenant-discriminator-column>"); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for defaulting. |
| */ |
| public TenantDiscriminatorColumnMetadata(MetadataAccessor accessor) { |
| super(accessor); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for annotation loading. |
| */ |
| public TenantDiscriminatorColumnMetadata(MetadataAnnotation tenantDiscriminator, MetadataAccessor accessor) { |
| super(tenantDiscriminator, accessor); |
| |
| m_table = tenantDiscriminator.getAttributeString("table"); |
| m_primaryKey = tenantDiscriminator.getAttributeBooleanDefaultFalse("primaryKey"); |
| m_contextProperty = tenantDiscriminator.getAttributeString("contextProperty"); |
| } |
| |
| /** |
| * INTERNAL: |
| * Required ORMetadata method used for XML merging. |
| */ |
| @Override |
| public boolean equals(Object objectToCompare) { |
| if (super.equals(objectToCompare) && objectToCompare instanceof TenantDiscriminatorColumnMetadata) { |
| TenantDiscriminatorColumnMetadata tenantDiscriminator = (TenantDiscriminatorColumnMetadata) objectToCompare; |
| |
| if (! valuesMatch(m_primaryKey, tenantDiscriminator.getPrimaryKey())) { |
| return false; |
| } |
| |
| if (! valuesMatch(m_contextProperty, tenantDiscriminator.getContextProperty())) { |
| return false; |
| } |
| |
| return valuesMatch(m_table, tenantDiscriminator.getTable()); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = super.hashCode(); |
| result = 31 * result + (m_primaryKey != null ? m_primaryKey.hashCode() : 0); |
| result = 31 * result + (m_table != null ? m_table.hashCode() : 0); |
| result = 31 * result + (m_contextProperty != null ? m_contextProperty.hashCode() : 0); |
| return result; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public String getContextProperty() { |
| return m_contextProperty; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public DatabaseField getDatabaseField() { |
| // Initialize the DatabaseField with values and defaults. |
| DatabaseField field = super.getDatabaseField(); |
| |
| // If the table is specified use it. |
| if (m_table != null) { |
| field.setTableName(m_table); |
| } |
| |
| // Set the primary key setting |
| field.setPrimaryKey(m_primaryKey == null ? false : m_primaryKey); |
| |
| return field; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public Boolean getPrimaryKey() { |
| return m_primaryKey; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public String getTable() { |
| return m_table; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public void process(MetadataDescriptor descriptor, SingleTableMultitenantPolicy policy) { |
| DatabaseField tenantDiscriminatorField = getDatabaseField(); |
| |
| // Set the field name. This will take care of any any delimited |
| // identifiers and casing defaults etc. |
| setFieldName(tenantDiscriminatorField, NAME_DEFAULT, MetadataLogger.TENANT_DISCRIMINATOR_COLUMN); |
| |
| // Set a default table if one isn't specified. |
| if (! tenantDiscriminatorField.hasTableName()) { |
| tenantDiscriminatorField.setTable(descriptor.getPrimaryTable()); |
| } |
| |
| // Set the property name, defaulting where necessary and log a warning. |
| if (m_contextProperty == null) { |
| getLogger().logWarningMessage(MetadataLogger.TENANT_DISCRIMINATOR_CONTEXT_PROPERTY, getAccessibleObject(), tenantDiscriminatorField, MULTITENANT_PROPERTY_DEFAULT); |
| m_contextProperty = MULTITENANT_PROPERTY_DEFAULT; |
| } |
| |
| policy.addTenantDiscriminatorField(m_contextProperty, tenantDiscriminatorField); |
| |
| // Add a multitenant id accessor to the descriptor (to be processed |
| // later) other mappings may need to look it up hence need to create a |
| // new mapping accessor. |
| if (tenantDiscriminatorField.isPrimaryKey()) { |
| MultitenantIdAccessor idAccessor = new MultitenantIdAccessor(m_contextProperty, tenantDiscriminatorField, getAccessibleObject(), descriptor.getClassAccessor()); |
| descriptor.addMappingAccessor(idAccessor); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setContextProperty(String contextProperty) { |
| m_contextProperty = contextProperty; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setPrimaryKey(Boolean primaryKey) { |
| m_primaryKey = primaryKey; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setTable(String table) { |
| m_table = table; |
| } |
| } |