org.schedoscope.metascope.tasks.repository.jdbc.impl.FieldEntityJdbcRepository.java Source code

Java tutorial

Introduction

Here is the source code for org.schedoscope.metascope.tasks.repository.jdbc.impl.FieldEntityJdbcRepository.java

Source

/**
 * Copyright 2015 Otto (GmbH & Co KG)
 *
 * 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.schedoscope.metascope.tasks.repository.jdbc.impl;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.dbutils.DbUtils;
import org.schedoscope.metascope.model.FieldEntity;
import org.schedoscope.metascope.model.key.FieldEntityKey;
import org.schedoscope.metascope.util.JDBCUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class FieldEntityJdbcRepository implements JdbcRepository<FieldEntity, FieldEntityKey> {

    private static final Logger LOG = LoggerFactory.getLogger(FieldEntityJdbcRepository.class);

    @Override
    public FieldEntity get(Connection connection, FieldEntityKey key) {
        FieldEntity fieldEntity = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;
        try {
            stmt = connection.prepareStatement("select " + JDBCUtil.getDatabaseColumnsForClass(FieldEntity.class)
                    + " from field_entity where " + "fqdn = ? and name = ?");
            stmt.setString(1, key.getFqdn());
            stmt.setString(2, key.getName());
            rs = stmt.executeQuery();
            if (rs.next()) {
                fieldEntity = new FieldEntity();
                fieldEntity.setFqdn(rs.getString(FieldEntity.FQDN));
                fieldEntity.setName(rs.getString(FieldEntity.NAME));
                fieldEntity.setDescription(rs.getString(FieldEntity.DESCRIPTION));
                fieldEntity.setFieldOrder(rs.getInt(FieldEntity.FIELD_ORDER));
                fieldEntity.setParameterField(rs.getBoolean(FieldEntity.PARAMETER_FIELD));
                fieldEntity.setType(rs.getString(FieldEntity.TYPE));
                fieldEntity.setFqdn(rs.getString(FieldEntity.FQDN));
                fieldEntity.setName(rs.getString(FieldEntity.NAME));
            }
        } catch (SQLException e) {
            LOG.error("Could not query field", e);
        } finally {
            DbUtils.closeQuietly(rs);
            DbUtils.closeQuietly(stmt);
        }
        return fieldEntity;
    }

    @Override
    public List<FieldEntity> get(Connection connection) {
        List<FieldEntity> list = new ArrayList<FieldEntity>();
        PreparedStatement stmt = null;
        ResultSet rs = null;
        try {
            stmt = connection.prepareStatement(
                    "select " + JDBCUtil.getDatabaseColumnsForClass(FieldEntity.class) + " from field_entity");
            rs = stmt.executeQuery();
            while (rs.next()) {
                FieldEntity fieldEntity = new FieldEntity();
                fieldEntity.setFqdn(rs.getString(FieldEntity.FQDN));
                fieldEntity.setName(rs.getString(FieldEntity.NAME));
                fieldEntity.setDescription(rs.getString(FieldEntity.DESCRIPTION));
                fieldEntity.setFieldOrder(rs.getInt(FieldEntity.FIELD_ORDER));
                fieldEntity.setParameterField(rs.getBoolean(FieldEntity.PARAMETER_FIELD));
                fieldEntity.setType(rs.getString(FieldEntity.TYPE));
                list.add(fieldEntity);
            }
        } catch (SQLException e) {
            LOG.error("Could not query fields", e);
        } finally {
            DbUtils.closeQuietly(rs);
            DbUtils.closeQuietly(stmt);
        }
        return list;
    }

    @Override
    public void save(Connection connection, FieldEntity fieldEntity) {
        String insertFieldSql = "insert into field_entity ("
                + JDBCUtil.getDatabaseColumnsForClass(FieldEntity.class) + ") values ("
                + JDBCUtil.getValuesCountForClass(FieldEntity.class) + ")";
        PreparedStatement stmt = null;
        try {
            stmt = connection.prepareStatement(insertFieldSql);
            stmt.setString(1, fieldEntity.getFqdn());
            stmt.setString(2, fieldEntity.getName());
            stmt.setString(3, fieldEntity.getType());
            stmt.setString(4, fieldEntity.getDescription());
            stmt.setInt(5, fieldEntity.getFieldOrder());
            stmt.setBoolean(6, fieldEntity.isParameterField());
            stmt.setString(7, fieldEntity.getFqdn());
            stmt.execute();
        } catch (SQLException e) {
            LOG.error("Could not save field", e);
        } finally {
            DbUtils.closeQuietly(stmt);
        }
    }

    @Override
    public void update(Connection connection, FieldEntity fieldEntity) {
        String updateFieldSql = "update field_entity set " + JDBCUtil.getSetExpressionForClass(FieldEntity.class)
                + " where " + FieldEntity.FQDN + " = ? and " + FieldEntity.NAME + " = ?";
        PreparedStatement stmt = null;
        try {
            stmt = connection.prepareStatement(updateFieldSql);
            stmt.setString(1, fieldEntity.getFqdn());
            stmt.setString(2, fieldEntity.getName());
            stmt.setString(3, fieldEntity.getType());
            stmt.setString(4, fieldEntity.getDescription());
            stmt.setInt(5, fieldEntity.getFieldOrder());
            stmt.setBoolean(6, fieldEntity.isParameterField());
            stmt.setString(7, fieldEntity.getFqdn());
            stmt.setString(8, fieldEntity.getFqdn());
            stmt.setString(9, fieldEntity.getName());
            stmt.execute();
        } catch (SQLException e) {
            LOG.error("Could not update field", e);
        } finally {
            DbUtils.closeQuietly(stmt);
        }
    }

}