foundation/org.eclipse.persistence.core/src/main/java/org/eclipse/persistence/internal/helper/TransformerHelper.java

/*
 * Copyright (c) 2015, 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:
//     Martin Vojtek - 2.6 - initial implementation
package org.eclipse.persistence.internal.helper;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.persistence.core.mappings.transformers.CoreFieldTransformer;

/**
 * Transformer helper class. Returns transformer method name and possible transformer method parameters.
 * This class shields client of the class from internal details of transformer method.
 *
 * @author Martin Vojtek
 *
 */
public class TransformerHelper {

    public String getTransformerMethodName() {
        return CoreFieldTransformer.BUILD_FIELD_VALUE_METHOD;
    }

    public List<Class<?>[]> getTransformerMethodParameters(boolean isSetTransformerClass) {
        List<Class<?>[]> methodParameters = new ArrayList<>();
        if (isSetTransformerClass) {
            methodParameters.add(new Class<?>[] {Object.class, String.class, ClassConstants.SessionsSession_Class});
        } else {
            methodParameters.add(new Class<?>[0]);
            methodParameters.add(new Class<?>[] {ClassConstants.PublicInterfaceSession_Class});
            methodParameters.add(new Class<?>[] {ClassConstants.SessionsSession_Class});
        }
        return methodParameters;
    }
}