| /* |
| * Copyright (c) 1998, 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 from Oracle TopLink |
| // 05/16/2008-1.0M8 Guy Pelletier |
| // - 218084: Implement metadata merging functionality between mapping files |
| // 06/09/2009-2.0 Guy Pelletier |
| // - 249037: JPA 2.0 persisting list item index |
| // 03/24/2011-2.3 Guy Pelletier |
| // - 337323: Multi-tenant with shared schema support (part 1) |
| package org.eclipse.persistence.internal.jpa.metadata.columns; |
| |
| import org.eclipse.persistence.internal.helper.DatabaseField; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor; |
| import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation; |
| |
| /** |
| * INTERNAL: Object to process a JPA column into an EclipseLink database field. |
| * |
| * 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 TopLink EJB 3.0 Reference Implementation |
| */ |
| public class ColumnMetadata extends DirectColumnMetadata { |
| private Boolean m_unique; |
| private Integer m_scale; |
| private Integer m_length; |
| private Integer m_precision; |
| private String m_table; |
| |
| /** |
| * INTERNAL: |
| * Used for XML loading. |
| */ |
| public ColumnMetadata() { |
| super("<column>"); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for XML loading. |
| */ |
| protected ColumnMetadata(String xmlElement) { |
| super(xmlElement); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for defaulting. |
| */ |
| public ColumnMetadata(MetadataAccessor accessor) { |
| this(null, accessor); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for annotation loading. |
| */ |
| public ColumnMetadata(MetadataAnnotation column, MetadataAccessor accessor) { |
| super(column, accessor); |
| |
| if (column != null) { |
| // Apply the values from the column annotation. |
| setUnique(column.getAttributeBooleanDefaultFalse("unique")); |
| |
| setScale(column.getAttributeInteger("scale")); |
| setLength(column.getAttributeInteger("length")); |
| setPrecision(column.getAttributeInteger("precision")); |
| |
| setTable(column.getAttributeString("table")); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public boolean equals(Object objectToCompare) { |
| if (super.equals(objectToCompare) && objectToCompare instanceof ColumnMetadata) { |
| ColumnMetadata column = (ColumnMetadata) objectToCompare; |
| |
| if (!valuesMatch(m_unique, column.getUnique())) { |
| return false; |
| } |
| |
| if (!valuesMatch(m_scale, column.getScale())) { |
| return false; |
| } |
| |
| if (!valuesMatch(m_length, column.getLength())) { |
| return false; |
| } |
| |
| if (!valuesMatch(m_precision, column.getPrecision())) { |
| return false; |
| } |
| |
| return valuesMatch(m_table, column.getTable()); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = m_unique != null ? m_unique.hashCode() : 0; |
| result = 31 * result + (m_scale != null ? m_scale.hashCode() : 0); |
| result = 31 * result + (m_length != null ? m_length.hashCode() : 0); |
| result = 31 * result + (m_precision != null ? m_precision.hashCode() : 0); |
| result = 31 * result + (m_table != null ? m_table.hashCode() : 0); |
| return result; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public DatabaseField getDatabaseField() { |
| DatabaseField field = super.getDatabaseField(); |
| field.setUnique(m_unique == null ? false : m_unique); |
| field.setScale(m_scale == null ? 0 : m_scale); |
| field.setLength(m_length == null ? 0 : m_length); |
| field.setPrecision(m_precision == null ? 0 : m_precision); |
| field.setTableName(m_table == null ? "" : m_table); |
| return field; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public Integer getLength() { |
| return m_length; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public Integer getPrecision() { |
| return m_precision; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public Integer getScale() { |
| return m_scale; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public String getTable() { |
| return m_table; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public Boolean getUnique() { |
| return m_unique; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public void setLength(Integer length) { |
| m_length = length; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public void setPrecision(Integer precision) { |
| m_precision = precision; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public void setScale(Integer scale) { |
| m_scale = scale; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public void setTable(String table) { |
| m_table = table; |
| } |
| |
| /** |
| * INTERNAL: Used for OX mapping. |
| */ |
| public void setUnique(Boolean unique) { |
| m_unique = unique; |
| } |
| } |