| /* |
| * 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: |
| // Oracle - initial API and implementation |
| // 11/19/2012-2.5 Guy Pelletier |
| // - 389090: JPA 2.1 DDL Generation Support (foreign key metadata support) |
| package org.eclipse.persistence.internal.jpa.metadata.cache; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.persistence.descriptors.CacheIndex; |
| import org.eclipse.persistence.internal.helper.DatabaseField; |
| import org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor; |
| import org.eclipse.persistence.internal.jpa.metadata.ORMetadata; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation; |
| |
| /** |
| * INTERNAL: |
| * Object to hold onto cache index 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 James Sutherland |
| * @since EclipseLink 2.2 |
| */ |
| public class CacheIndexMetadata extends ORMetadata { |
| |
| private List<String> m_columnNames = new ArrayList<>(); |
| private Boolean updateable; |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public CacheIndexMetadata() { |
| super("<cache-index>"); |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public CacheIndexMetadata(MetadataAnnotation index, MetadataAccessor accessor) { |
| super(index, accessor); |
| |
| if (index != null) { |
| for (Object columnName : index.getAttributeArray("columnNames")) { |
| m_columnNames.add((String) columnName); |
| } |
| |
| this.updateable = index.getAttributeBooleanDefaultTrue("updateable"); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public boolean equals(Object objectToCompare) { |
| if (objectToCompare instanceof CacheIndexMetadata) { |
| CacheIndexMetadata index = (CacheIndexMetadata) objectToCompare; |
| if (this.updateable != index.getUpdateable()) { |
| return false; |
| } |
| |
| return this.m_columnNames.equals(index.getColumnNames()); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = m_columnNames != null ? m_columnNames.hashCode() : 0; |
| result = 31 * result + (updateable != null ? updateable.hashCode() : 0); |
| return result; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public List<String> getColumnNames() { |
| return m_columnNames; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public Boolean getUpdateable() { |
| return updateable; |
| } |
| |
| /** |
| * INTERNAL: |
| * Process the index metadata |
| */ |
| public void process(MetadataDescriptor descriptor, String defaultColumnName) { |
| CacheIndex index = new CacheIndex(); |
| if (m_columnNames.isEmpty() && (defaultColumnName != null)) { |
| index.addField(getField(defaultColumnName)); |
| } else { |
| for (String column : m_columnNames) { |
| index.addField(getField(column)); |
| } |
| } |
| if (this.updateable != null) { |
| index.setIsUpdateable(this.updateable); |
| } |
| descriptor.getClassDescriptor().getCachePolicy().addCacheIndex(index); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setColumnNames(List<String> columnNames) { |
| this.m_columnNames = columnNames; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setUpdateable(Boolean updateable) { |
| this.updateable = updateable; |
| } |
| |
| private DatabaseField getField(String name) { |
| DatabaseField field = new DatabaseField(name); |
| if (m_project.useDelimitedIdentifier()) { |
| field.setUseDelimiters(true); |
| } else if (m_project.getShouldForceFieldNamesToUpperCase() && !field.shouldUseDelimiters()) { |
| field.useUpperCaseForComparisons(true); |
| } |
| return field; |
| } |
| } |