| /* |
| * Copyright (c) 2006, 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 |
| // |
| package org.eclipse.persistence.jpa.jpql.tools.resolver; |
| |
| import org.eclipse.persistence.jpa.jpql.tools.spi.IManagedType; |
| import org.eclipse.persistence.jpa.jpql.tools.spi.IType; |
| import org.eclipse.persistence.jpa.jpql.tools.spi.ITypeDeclaration; |
| |
| /** |
| * This {@link Resolver} retrieves the type for an abstract schema name (entity name). |
| * |
| * @version 2.5 |
| * @since 2.3 |
| * @author Pascal Filion |
| */ |
| public class EntityResolver extends Resolver { |
| |
| /** |
| * The abstract schema name is the name of the entity. |
| */ |
| private final String abstractSchemaName; |
| |
| /** |
| * The {@link IManagedType} with the same abstract schema name. |
| */ |
| private IManagedType managedType; |
| |
| /** |
| * Creates a new <code>EntityResolver</code>. |
| * |
| * @param parent The parent {@link Resolver}, which is never <code>null</code> |
| * @param abstractSchemaName The name of the entity |
| */ |
| public EntityResolver(Resolver parent, String abstractSchemaName) { |
| super(parent); |
| this.abstractSchemaName = abstractSchemaName; |
| } |
| |
| @Override |
| protected IType buildType() { |
| IManagedType entity = getManagedType(); |
| return (entity != null) ? entity.getType() : getTypeHelper().objectType(); |
| } |
| |
| @Override |
| protected ITypeDeclaration buildTypeDeclaration() { |
| return getType().getTypeDeclaration(); |
| } |
| |
| /** |
| * Returns the name of the entity to resolve. |
| * |
| * @return The entity name, which is never <code>null</code> |
| */ |
| public String getAbstractSchemaName() { |
| return abstractSchemaName; |
| } |
| |
| @Override |
| public IManagedType getManagedType() { |
| if (managedType == null) { |
| managedType = getProvider().getEntityNamed(abstractSchemaName); |
| } |
| return managedType; |
| } |
| |
| @Override |
| public String toString() { |
| return abstractSchemaName; |
| } |
| } |