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/**
 * Copyright (C) 2019 Bonitasoft S.A.
 * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.engine.expression;

import org.bonitasoft.engine.api.APIAccessor;
import org.bonitasoft.engine.builder.BuilderFactory;
import org.bonitasoft.engine.commons.exceptions.SBonitaRuntimeException;
import org.bonitasoft.engine.connector.EngineExecutionContext;
import org.bonitasoft.engine.expression.exception.SInvalidExpressionException;
import org.bonitasoft.engine.expression.model.SExpression;
import org.bonitasoft.engine.expression.model.builder.SExpressionBuilder;
import org.bonitasoft.engine.expression.model.builder.SExpressionBuilderFactory;

/**
 * @author Matthieu Chaffotte
 * @author Celine Souchet
 */
public final class EngineConstantExpressionBuilder {

    public static SExpression getConnectorAPIAccessorExpression() {
        final SExpressionBuilder builder = BuilderFactory.get(SExpressionBuilderFactory.class).createNewInstance();
        builder.setContent("connectorApiAccessor").setExpressionType(ExpressionType.TYPE_ENGINE_CONSTANT.name())
                .setReturnType(APIAccessor.class.getName());
        try {
            return builder.done();
        } catch (final SInvalidExpressionException e) {
            // Never happens !!
            throw new SBonitaRuntimeException(e);
        }
    }

    public static SExpression getEngineExecutionContext() {
        final SExpressionBuilder builder = BuilderFactory.get(SExpressionBuilderFactory.class).createNewInstance();
        builder.setContent("engineExecutionContext").setExpressionType(ExpressionType.TYPE_ENGINE_CONSTANT.name())
                .setReturnType(EngineExecutionContext.class.getName());
        try {
            return builder.done();
        } catch (final SInvalidExpressionException e) {
            // Never happens !!
            throw new SBonitaRuntimeException(e);
        }
    }

}