foundation/org.eclipse.persistence.core/src/main/java/org/eclipse/persistence/internal/sessions/remote/SequencingFunctionCall.java

/*
 * Copyright (c) 1998, 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 from Oracle TopLink
package org.eclipse.persistence.internal.sessions.remote;

import org.eclipse.persistence.internal.sessions.AbstractSession;

/**
 * <p>
 * <b>Purpose</b>: This class declares sequencing remote function calls classes
 * </p><p>
 * <b>Description</b>: Provides the implementation for sequencing remote function calls
 * </p>
 */
public class SequencingFunctionCall {
    public static class DoesExist extends SimpleFunctionCall {
        @Override
        protected Object execute(AbstractSession session) {
            return session.getSequencing() != null;
        }
    }

    public static class WhenShouldAcquireValueForAll extends SimpleFunctionCall {
        @Override
        protected Object execute(AbstractSession session) {
            return session.getSequencing().whenShouldAcquireValueForAll();
        }
    }

    public static class GetNextValue extends SimpleFunctionCall {
        public GetNextValue(Class<?> cls) {
            this.cls = cls;
        }

        protected Class<?> cls;

        @Override
        protected Object execute(AbstractSession session) {
            return session.getSequencing().getNextValue(cls);
        }
    }
}