| /* |
| * Copyright (c) 1998, 2020 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 |
| package org.eclipse.persistence.internal.jpa.parsing; |
| |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.exceptions.*; |
| import org.eclipse.persistence.expressions.*; |
| import org.eclipse.persistence.descriptors.ClassDescriptor; |
| |
| /** |
| * INTERNAL: |
| * ModifyNode is the superclass for UpdateNode and DeleteNode |
| */ |
| public abstract class ModifyNode extends QueryNode { |
| |
| private String abstractSchemaIdentifier; |
| private String abstractSchemaName; |
| |
| /** |
| * INTERNAL |
| * Apply this node to the passed query. This node does not change the query. |
| */ |
| @Override |
| public void applyToQuery(DatabaseQuery theQuery, GenerationContext context) { |
| } |
| |
| /** |
| * INTERNAL |
| * Validate node and calculate its type. |
| */ |
| @Override |
| public void validate(ParseTreeContext context) { |
| // If defined use the abstractSchemaIdentifier as the base variable, |
| // otherwise use the abstractSchemaName |
| String baseVariable = getCanonicalAbstractSchemaIdentifier(); |
| context.setBaseVariable(baseVariable); |
| super.validate(context); |
| } |
| |
| /** |
| * INTERNAL |
| */ |
| @Override |
| public Expression generateExpression(GenerationContext context) { |
| return null; |
| } |
| |
| /** |
| * INTERNAL |
| */ |
| public String getAbstractSchemaName() { |
| return abstractSchemaName; |
| } |
| |
| /** |
| * INTERNAL |
| */ |
| public void setAbstractSchemaName(String abstractSchemaName) { |
| this.abstractSchemaName = abstractSchemaName; |
| } |
| |
| /** |
| * INTERNAL |
| */ |
| public String getAbstractSchemaIdentifier() { |
| return abstractSchemaIdentifier; |
| } |
| |
| /** |
| * INTERNAL |
| */ |
| public void setAbstractSchemaIdentifier(String identifierName) { |
| abstractSchemaIdentifier = identifierName; |
| } |
| |
| /** |
| * INTERNAL: |
| * Returns the canonical name of abstract schema identifier. |
| * If the identifier is not specified(unqualified attribute scenario), |
| * the canonical name of abstract schema is returned. |
| */ |
| public String getCanonicalAbstractSchemaIdentifier() { |
| String variable = abstractSchemaIdentifier != null ? |
| abstractSchemaIdentifier : abstractSchemaName; |
| return IdentificationVariableDeclNode.calculateCanonicalName(variable); |
| } |
| |
| /** |
| * resolveClass: Answer the class which corresponds to my variableName. This is the class for |
| * an alias, where the variableName is registered to an alias. |
| */ |
| @Override |
| public Class resolveClass(GenerationContext context) { |
| String alias = abstractSchemaName; |
| ClassDescriptor descriptor = context.getSession().getDescriptorForAlias(alias); |
| if (descriptor == null) { |
| throw JPQLException.entityTypeNotFound2( |
| context.getParseTreeContext().getQueryInfo(), |
| getLine(), getColumn(), alias); |
| } |
| Class theClass = descriptor.getJavaClass(); |
| if (theClass == null) { |
| throw JPQLException.resolutionClassNotFoundException2( |
| context.getParseTreeContext().getQueryInfo(), |
| getLine(), getColumn(), alias); |
| } |
| return theClass; |
| } |
| } |