io.lavagna.service.ConfigurationRepository.java Source code

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Here is the source code for io.lavagna.service.ConfigurationRepository.java

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/**
 * This file is part of lavagna.
 *
 * lavagna is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * lavagna 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with lavagna.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.lavagna.service;

import io.lavagna.model.ConfigurationKeyValue;
import io.lavagna.model.Key;
import io.lavagna.query.ConfigurationQuery;

import java.util.EnumMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

@Repository
@Transactional(readOnly = true)
public class ConfigurationRepository {

    private final ConfigurationQuery queries;

    @Autowired
    public ConfigurationRepository(ConfigurationQuery queries) {
        this.queries = queries;
    }

    public List<ConfigurationKeyValue> findAll() {
        return queries.findAll();
    }

    public Map<Key, String> findConfigurationFor(Set<Key> keys) {
        Set<String> s = new HashSet<>();
        Map<Key, String> res = new EnumMap<Key, String>(Key.class);
        for (Key k : keys) {
            s.add(k.toString());
            res.put(k, null);
        }

        for (ConfigurationKeyValue kv : queries.findConfigurationFor(s)) {
            res.put(kv.getFirst(), kv.getSecond());
        }
        return res;
    }

    public boolean hasKeyDefined(Key key) {
        return !Integer.valueOf(0).equals(queries.hasKeyDefined(key.toString()));
    }

    public String getValueOrNull(Key key) {
        List<String> res = queries.getValue(key.toString());
        return res.isEmpty() ? null : res.get(0);
    }

    public String getValue(Key key) {
        List<String> res = queries.getValue(key.toString());
        if (res.isEmpty()) {
            throw new EmptyResultDataAccessException(1);
        } else {
            return res.get(0);
        }
    }

    @Transactional(readOnly = false)
    public void insert(Key key, String value) {
        queries.set(key.toString(), value);
    }

    @Transactional(readOnly = false)
    public void update(Key key, String value) {
        queries.update(key.toString(), value);
    }

    @Transactional(readOnly = false)
    public void delete(Key key) {
        queries.delete(key.toString());
    }

    @Transactional(readOnly = false)
    public void updateOrCreate(List<ConfigurationKeyValue> toUpdateOrCreate) {
        for (ConfigurationKeyValue kv : toUpdateOrCreate) {
            if (hasKeyDefined(kv.getFirst())) {
                update(kv.getFirst(), kv.getSecond());
            } else {
                insert(kv.getFirst(), kv.getSecond());
            }
        }
    }
}