org.marid.db.hsqldb.HsqldbDaqNumericWriter Maven / Gradle / Ivy
/*
* Copyright (c) 2015 Dmitry Ovchinnikov
* Marid, the free data acquisition and visualization software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
package org.marid.db.hsqldb;
import org.marid.db.dao.NumericWriter;
import javax.annotation.Nonnull;
import javax.sql.DataSource;
import java.nio.ByteBuffer;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* @author Dmitry Ovchinnikov.
*/
public class HsqldbDaqNumericWriter extends HsqldbDaqAbstractWriter implements NumericWriter {
public HsqldbDaqNumericWriter(DataSource dataSource, String table) {
super(dataSource, table);
}
@Override
protected void setValue(PreparedStatement statement, int index, Double value) throws SQLException {
statement.setDouble(index, value);
}
@Override
protected Double getValue(ResultSet resultSet, int index) throws SQLException {
return resultSet.getDouble(index);
}
@Override
protected byte[] toByteArray(@Nonnull Double value) {
return ByteBuffer.allocate(8).putDouble(0, value).array();
}
@Override
protected String getSqlTypeName() {
return "double";
}
}
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