KrailPersistenceUnitHelper.java

/*
 *
 *  * Copyright (c) 2016. David Sowerby
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 *  * the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 *  * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 *  * specific language governing permissions and limitations under the License.
 *
 */

package uk.q3c.krail.core.persist.common.common;

import com.google.inject.Binder;
import com.google.inject.Provider;
import com.google.inject.TypeLiteral;
import com.google.inject.multibindings.MapBinder;
import uk.q3c.krail.core.persist.common.i18n.PatternDao;
import uk.q3c.krail.core.persist.common.i18n.PatternDaoProviders;
import uk.q3c.krail.core.persist.common.option.OptionDaoDelegate;

import java.lang.annotation.Annotation;

/**
 * Utility class to help with some of the binding mechanics for handling {@link PatternDao} and {@link OptionDaoDelegate}
 * <p>
 * Created by David Sowerby on 26/06/15.
 */
public class KrailPersistenceUnitHelper {

    public static final String PROVIDE_PATTERN_DAO = "ProvidePatternDao";
    public static final String PROVIDE_OPTION_DAO = "ProvideOptionDao";

    private static TypeLiteral<Class<? extends Annotation>> annotationClassLiteral = new TypeLiteral<Class<? extends Annotation>>() {
    };
    private static TypeLiteral<Provider<PatternDao>> patternTypeLiteral = new TypeLiteral<Provider<PatternDao>>() {
    };
    private static TypeLiteral<Provider<OptionDaoDelegate>> optionTypeLiteral = new TypeLiteral<Provider<OptionDaoDelegate>>() {
    };
    private static TypeLiteral<PersistenceInfo<?>> persistenceInfoClassLiteral = new TypeLiteral<PersistenceInfo<?>>() {
    };





    public static MapBinder<Class<? extends Annotation>, PersistenceInfo<?>> patternDaoProviders(Binder binder) {
        return MapBinder.newMapBinder(binder, annotationClassLiteral, persistenceInfoClassLiteral, PatternDaoProviders.class);
    }

    public static TypeLiteral<Class<? extends Annotation>> annotationClassLiteral() {
return annotationClassLiteral;
    }
}