| /* |
| * 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.xr; |
| |
| // Javase imports |
| |
| // Java extension imports |
| import javax.xml.namespace.QName; |
| |
| // EclipseLink imports |
| import org.eclipse.persistence.internal.helper.DatabaseField; |
| import org.eclipse.persistence.platform.database.DatabasePlatform; |
| import org.eclipse.persistence.queries.DatabaseQuery; |
| import org.eclipse.persistence.queries.StoredFunctionCall; |
| import org.eclipse.persistence.queries.StoredProcedureCall; |
| import static org.eclipse.persistence.internal.helper.ClassConstants.OBJECT; |
| import static org.eclipse.persistence.internal.xr.Util.SCHEMA_2_CLASS; |
| |
| /** |
| * <p><b>INTERNAL:</b> StoredFunctionQueryHandler sets up the StoredFunctionCall |
| * and its arguments in the given {@link DatabaseQuery} |
| * |
| * @author Mike Norman - michael.norman@oracle.com |
| * @since EclipseLink 1.x |
| */ |
| |
| public class StoredFunctionQueryHandler extends StoredProcedureQueryHandler { |
| |
| @Override |
| public boolean isStoredFunctionQueryHandler() { |
| return true; |
| } |
| |
| @Override |
| protected StoredProcedureCall createCall() { |
| return new StoredFunctionCall(); |
| } |
| |
| @Override |
| protected void setSingleResult(XRServiceAdapter xrService, StoredProcedureCall spCall, QName resultType) { |
| if (isCursorType(xrService, resultType)) { |
| spCall.useUnnamedCursorOutputAsResultSet(); |
| } |
| else { |
| StoredFunctionCall sfCall = (StoredFunctionCall)spCall; |
| Class<?> clz = SCHEMA_2_CLASS.get(resultType); |
| if (clz != null) { |
| sfCall.setResult("", clz); |
| } |
| else { |
| sfCall.setResult("", OBJECT); |
| } |
| DatabasePlatform platform = xrService.getORSession().getPlatform(); |
| if (platform == null) { |
| platform = new DatabasePlatform(); |
| } |
| // StoredFunction's return value is the first parameter |
| ((DatabaseField)sfCall.getParameters().get(0)).setSqlType( |
| platform.getJDBCType(clz)); |
| } |
| } |
| } |