| /* |
| * Copyright (c) 2011, 2019 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: |
| // 05/19/2010-2.1 ailitchev - Bug 244124 - Add Nested FetchGroup |
| // 09 Jan 2013-2.5 Gordon Yorke |
| // - 397772: JPA 2.1 Entity Graph Support |
| package org.eclipse.persistence.internal.queries; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.eclipse.persistence.core.queries.CoreAttributeItem; |
| |
| import org.eclipse.persistence.queries.AttributeGroup; |
| import org.eclipse.persistence.queries.FetchGroup; |
| import org.eclipse.persistence.queries.LoadGroup; |
| import org.eclipse.persistence.sessions.CopyGroup; |
| |
| /** |
| * <b>Purpose</b>: Elements stored in AttributeGroup |
| * |
| * @author dclarke, ailitchev |
| * @since EclipseLink 2.1 |
| */ |
| public class AttributeItem extends CoreAttributeItem<AttributeGroup> implements Serializable { |
| |
| protected AttributeItem() { |
| } |
| |
| public AttributeItem(AttributeGroup parent, String attributeName) { |
| this.parent = parent; |
| this.attributeName = attributeName; |
| } |
| |
| @Override |
| public String getAttributeName() { |
| return this.attributeName; |
| } |
| |
| |
| public AttributeItem toCopyGroup(Map<AttributeGroup, CopyGroup> cloneMap, CopyGroup parentClone, Map copies){ |
| AttributeItem clone = new AttributeItem(); |
| clone.attributeName = this.attributeName; |
| if (this.group != null){ |
| clone.group = this.group.toCopyGroup(cloneMap, copies); |
| } |
| if (clone.keyGroup != null){ |
| clone.keyGroup = this.keyGroup.toCopyGroup(cloneMap, copies); |
| } |
| clone.parent = parentClone; |
| if (this.subGroups != null){ |
| clone.subGroups = new HashMap<>(); |
| for (Entry<Object, AttributeGroup> group : this.subGroups.entrySet()){ |
| clone.subGroups.put(group.getKey(), group.getValue().toCopyGroup(cloneMap, copies)); |
| } |
| } |
| if (this.keyGroups != null){ |
| clone.keyGroups = new HashMap<>(); |
| for (Entry<Object, AttributeGroup> group : this.keyGroups.entrySet()){ |
| clone.keyGroups.put(group.getKey(), group.getValue().toCopyGroup(cloneMap, copies)); |
| } |
| } |
| return clone; |
| |
| } |
| |
| public AttributeItem toFetchGroup(Map<AttributeGroup, FetchGroup> cloneMap, FetchGroup parentClone){ |
| AttributeItem clone = new AttributeItem(); |
| clone.attributeName = this.attributeName; |
| if (this.group != null){ |
| clone.group = this.group.toFetchGroup(cloneMap); |
| } |
| if (clone.keyGroup != null){ |
| clone.keyGroup = this.keyGroup.toFetchGroup(cloneMap); |
| } |
| clone.parent = parentClone; |
| if (this.subGroups != null){ |
| clone.subGroups = new HashMap<>(); |
| for (Entry<Object, AttributeGroup> group : this.subGroups.entrySet()){ |
| clone.subGroups.put(group.getKey(), group.getValue().toFetchGroup(cloneMap)); |
| } |
| } |
| if (this.keyGroups != null){ |
| clone.keyGroups = new HashMap<>(); |
| for (Entry<Object, AttributeGroup> group : this.keyGroups.entrySet()){ |
| clone.keyGroups.put(group.getKey(), group.getValue().toFetchGroup(cloneMap)); |
| } |
| } |
| return clone; |
| |
| } |
| |
| public AttributeItem toLoadGroup(Map<AttributeGroup, LoadGroup> cloneMap, LoadGroup parentClone, boolean loadOnly){ |
| AttributeItem clone = new AttributeItem(); |
| clone.attributeName = this.attributeName; |
| if (this.group != null){ |
| clone.group = this.group.toLoadGroup(cloneMap, loadOnly); |
| } |
| if (clone.keyGroup != null){ |
| clone.keyGroup = this.keyGroup.toLoadGroup(cloneMap, loadOnly); |
| } |
| clone.parent = parentClone; |
| if (this.subGroups != null){ |
| clone.subGroups = new HashMap<>(); |
| for (Entry<Object, AttributeGroup> group : this.subGroups.entrySet()){ |
| clone.subGroups.put(group.getKey(), group.getValue().toLoadGroup(cloneMap, loadOnly)); |
| } |
| } |
| if (this.keyGroups != null){ |
| clone.keyGroups = new HashMap<>(); |
| for (Entry<Object, AttributeGroup> group : this.keyGroups.entrySet()){ |
| clone.keyGroups.put(group.getKey(), group.getValue().toLoadGroup(cloneMap, loadOnly)); |
| } |
| } |
| return clone; |
| |
| } |
| |
| @Override |
| public AttributeGroup getParent() { |
| return super.getParent(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this != obj) { |
| if(obj == null) { |
| return false; |
| } |
| AttributeItem anotherItem = null; |
| try { |
| anotherItem = (AttributeItem)obj; |
| } catch (ClassCastException cce) { |
| return false; |
| } |
| |
| if(this.subGroups != null) { |
| if (anotherItem.subGroups == null){ |
| return false; |
| } |
| if (this.subGroups.size() == anotherItem.subGroups.size()){ |
| for (Map.Entry<Object, AttributeGroup> entry : this.subGroups.entrySet()){ |
| AttributeGroup anotherGroup = anotherItem.subGroups.get(entry.getKey()); |
| if (! entry.getValue().equals(anotherGroup)){ |
| return false; |
| } |
| } |
| }else{ |
| return false; |
| } |
| } else if (anotherItem.subGroups != null){ |
| return false; |
| } |
| |
| if(this.keyGroups != null) { |
| if (anotherItem.keyGroups == null){ |
| return false; |
| } |
| if (this.keyGroups.size() == anotherItem.keyGroups.size()){ |
| for (Map.Entry<Object, AttributeGroup> entry : this.keyGroups.entrySet()){ |
| AttributeGroup anotherGroup = anotherItem.keyGroups.get(entry.getKey()); |
| if (! entry.getValue().equals(anotherGroup)){ |
| return false; |
| } |
| } |
| }else{ |
| return false; |
| } |
| } else if (anotherItem.keyGroups != null){ |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = subGroups != null ? subGroups.hashCode() : 0; |
| result = 31 * result + (keyGroups != null ? keyGroups.hashCode() : 0); |
| return result; |
| } |
| |
| @Override |
| public AttributeGroup getGroup() { |
| return super.getGroup(); |
| } |
| |
| public void setGroup(AttributeGroup group) { |
| this.group = group; |
| } |
| |
| |
| } |