/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.dashbuilder.dataprovider;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.inject.Inject;

import org.dashbuilder.DataSetCore;
import org.dashbuilder.dataprovider.sql.SQLDataSetProvider;
import org.dashbuilder.dataset.def.DataSetDef;
import org.dashbuilder.dataset.events.DataSetDefModifiedEvent;
import org.dashbuilder.dataset.events.DataSetDefRemovedEvent;
import org.dashbuilder.dataset.events.DataSetStaleEvent;

@ApplicationScoped
public class SQLDataSetProviderCDI extends SQLDataSetProvider {

    public SQLDataSetProviderCDI() {
    }

    @Inject
    public SQLDataSetProviderCDI(StaticDataSetProviderCDI staticDataSetProvider,
                                 SQLDataSourceLocatorCDI sqlDataSourceLocator) {

        super(staticDataSetProvider,
                DataSetCore.get().getIntervalBuilderLocator(),
                DataSetCore.get().getIntervalBuilderDynamicDate(),
                DataSetCore.get().getSharedDataSetOpEngine());

        super.setDataSourceLocator(sqlDataSourceLocator);
    }

    // Listen to changes on the data set definition registry

    protected void onDataSetStaleEvent(@Observes DataSetStaleEvent event) {
        DataSetDef def = event.getDataSetDef();
        if (DataSetProviderType.SQL.equals(def.getProvider())) {
            String uuid = def.getUUID();
            staticDataSetProvider.removeDataSet(uuid);
        }
    }

    protected void onDataSetDefRemovedEvent(@Observes DataSetDefRemovedEvent event) {
        DataSetDef def = event.getDataSetDef();
        if (DataSetProviderType.SQL.equals(def.getProvider())) {
            String uuid = def.getUUID();
            _metadataMap.remove(uuid);
            staticDataSetProvider.removeDataSet(uuid);
        }
    }

    protected void onDataSetDefModifiedEvent(@Observes DataSetDefModifiedEvent event) {
        DataSetDef def = event.getOldDataSetDef();
        if (DataSetProviderType.SQL.equals(def.getProvider())) {
            String uuid = def.getUUID();
            _metadataMap.remove(uuid);
            staticDataSetProvider.removeDataSet(uuid);
        }
    }
}
