/******************************************************************************* | |
* Copyright (c) 1998, 2013 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 v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* 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)); | |
} | |
} | |
} |