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/*
 *
 * Copyright © 2018 Webvalto Ltd.
 *
 * 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 io.devbench.uibuilder.spring.data;

import io.devbench.uibuilder.data.api.datasource.DataSource;
import io.devbench.uibuilder.data.api.datasource.DataSourceProvider;
import io.devbench.uibuilder.data.api.datasource.DataSourceSelector;
import lombok.AccessLevel;
import lombok.Getter;

import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.Map;
import java.util.Set;

public abstract class SpringDataSourceProvider, DATA_SOURCE_SELECTOR extends DataSourceSelector>
    implements DataSourceProvider {

    @Getter(AccessLevel.PROTECTED)
    private Map, Set>> annotatedClasses;

    public abstract Set> getInterestedAnnotationTypes();

    public void initialize(Map, Set>> annotatedClasses) {
        if (this.annotatedClasses == null) {
            this.annotatedClasses = Collections.unmodifiableMap(annotatedClasses);
            this.lateInit();
        }
    }

    protected abstract void lateInit();
}