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KumuluzEE JPA component implemented by EclipseLink

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/*
 *  Copyright (c) 2014-2017 Kumuluz and/or its affiliates
 *  and other contributors as indicated by the @author tags and
 *  the contributor list.
 *
 *  Licensed under the MIT License (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  https://opensource.org/licenses/MIT
 *
 *  The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND, express or
 *  implied, including but not limited to the warranties of merchantability,
 *  fitness for a particular purpose and noninfringement. in no event shall the
 *  authors or copyright holders be liable for any claim, damages or other
 *  liability, whether in an action of contract, tort or otherwise, arising from,
 *  out of or in connection with the software or the use or other dealings in the
 *  software. See the License for the specific language governing permissions and
 *  limitations under the License.
*/
package com.kumuluz.ee.jpa.eclipselink;

import com.kumuluz.ee.common.Component;
import com.kumuluz.ee.common.config.EeConfig;
import com.kumuluz.ee.common.dependencies.EeComponentDef;
import com.kumuluz.ee.common.dependencies.EeComponentType;
import com.kumuluz.ee.common.runtime.EeRuntime;
import com.kumuluz.ee.common.wrapper.KumuluzServerWrapper;
import com.kumuluz.ee.jpa.common.PersistenceUnitHolder;

import java.util.logging.Logger;

/**
 * @author Tilen Faganel
 * @since 1.0.0
 */
@EeComponentDef(name = "EclipseLink", type = EeComponentType.JPA)
public class JpaComponent implements Component {

    private Logger log = Logger.getLogger(JpaComponent.class.getSimpleName());

    @Override
    public void init(KumuluzServerWrapper server, EeConfig eeConfig) {

        PersistenceUnitHolder holder = PersistenceUnitHolder.getInstance();

        // Check if JTA is present in the runtime
        Boolean jtaPresent = EeRuntime.getInstance().getEeComponents().stream().anyMatch(c -> c.getType().equals(EeComponentType.JTA));

        holder.setProviderProperties(new EclipseLinkSettings(jtaPresent));
    }

    @Override
    public void load() {

        log.info("Initiating EclipseLink");
    }
}