org.eclipse.persistence.internal.xr.InsertOperation Maven / Gradle / Ivy
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/*
* Copyright (c) 1998, 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:
// Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.xr;
// Javase imports
// Java extension imports
// EclipseLink imports
import org.eclipse.persistence.sessions.UnitOfWork;
/**
* INTERNAL:An InsertOperation is an executable representation of an INSERT
* operation on the database.
*
* @author Mike Norman - [email protected]
* @since EclipseLink 1.x
*/
public class InsertOperation extends Operation {
/**
* Execute INSERT operation on the database
* @param xrService parent XRService that owns this Operation
* @param invocation contains runtime argument values to be bound to the list of
* {@link Parameter}'s.
* @return result - null as the underlying INSERT operation on
* the database does not return a value.
*
* @see Operation
*/
@Override
public Object invoke(XRServiceAdapter xrService, Invocation invocation) {
Object instance = invocation.getParameters().toArray()[0];
UnitOfWork uow = xrService.getORSession().acquireUnitOfWork();
uow.registerNewObject(instance);
uow.commit();
return null;
}
}