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A JDBC driver for the Aerospike database
There is a newer version: 1.9.2
package com.aerospike.jdbc;

import com.aerospike.client.IAerospikeClient;
import com.aerospike.client.Value;
import com.aerospike.jdbc.model.AerospikeQuery;
import com.aerospike.jdbc.model.DataColumn;
import com.aerospike.jdbc.model.QueryType;
import com.aerospike.jdbc.sql.AerospikeResultSetMetaData;
import com.aerospike.jdbc.sql.SimpleParameterMetaData;
import com.aerospike.jdbc.sql.type.ByteArrayBlob;
import com.aerospike.jdbc.sql.type.StringClob;
import com.aerospike.jdbc.util.IOUtils;

import java.io.DataInputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.*;
import java.util.Arrays;
import java.util.Calendar;
import java.util.List;
import java.util.logging.Logger;

import static com.aerospike.jdbc.util.PreparedStatement.parseParameters;
import static java.lang.String.format;

public class AerospikePreparedStatement extends AerospikeStatement implements PreparedStatement {

    private static final Logger logger = Logger.getLogger(AerospikePreparedStatement.class.getName());

    private final String sqlStatement;
    private final Object[] sqlParameters;

    public AerospikePreparedStatement(IAerospikeClient client, AerospikeConnection connection, String sqlStatement) {
        super(client, connection);
        this.sqlStatement = sqlStatement;
        sqlParameters = buildSqlParameters(sqlStatement);
        logger.info(() -> format("statement: %s, params: %d", sqlStatement, sqlParameters.length));
    }

    private Object[] buildSqlParameters(String sql) {
        int params = parseParameters(sql, 0).getValue();
        return new Object[params];
    }

    @Override
    public ResultSet executeQuery() throws SQLException {
        logger.info(() -> format("executeQuery: %s, params: %s", sqlStatement, Arrays.toString(sqlParameters)));
        AerospikeQuery query = parseQuery(sqlStatement, Arrays.asList(sqlParameters));
        runQuery(query);
        return resultSet;
    }

    @Override
    public int executeUpdate() throws SQLException {
        executeQuery();
        return updateCount;
    }

    @Override
    public void setNull(int parameterIndex, int sqlType) throws SQLException {
        setObject(parameterIndex, null);
    }

    @Override
    public void setBoolean(int parameterIndex, boolean x) throws SQLException {
        Object value = x;
        if (!Value.UseBoolBin) {
            value = x ? 1 : 0;
        }
        setObject(parameterIndex, value);
    }

    @Override
    public void setByte(int parameterIndex, byte x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setShort(int parameterIndex, short x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setInt(int parameterIndex, int x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setLong(int parameterIndex, long x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setFloat(int parameterIndex, float x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setDouble(int parameterIndex, double x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setString(int parameterIndex, String x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setBytes(int parameterIndex, byte[] x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setDate(int parameterIndex, Date x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setTime(int parameterIndex, Time x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
        setAsciiStream(parameterIndex, x, (long) length);
    }

    /**
     * @deprecated Use {@code setCharacterStream}
     */
    @Override
    @Deprecated
    @SuppressWarnings("java:S1133")
    public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
        throw new SQLFeatureNotSupportedException("setUnicodeStream is deprecated");
    }

    @Override
    public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
        setBlob(parameterIndex, x, length);
    }

    @Override
    public void clearParameters() {
        Arrays.fill(sqlParameters, null);
    }

    @Override
    public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public void setObject(int parameterIndex, Object x) throws SQLException {
        if (parameterIndex <= 0 || parameterIndex > sqlParameters.length) {
            throw new SQLDataException(sqlParameters.length == 0
                    ? "Current SQL statement does not have parameters"
                    : format("The parameter index %d is out of range, number of parameters: %d",
                    parameterIndex, sqlParameters.length));
        }
        sqlParameters[parameterIndex - 1] = x;
    }

    @Override
    public boolean execute() throws SQLException {
        logger.info(() -> format("execute: %s, params: %s", sqlStatement, Arrays.toString(sqlParameters)));
        AerospikeQuery query = parseQuery(sqlStatement, Arrays.asList(sqlParameters));
        runQuery(query);
        return query.getQueryType() == QueryType.SELECT;
    }

    @Override
    public void addBatch() throws SQLException {
        throw new SQLFeatureNotSupportedException(BATCH_NOT_SUPPORTED_MESSAGE);
    }

    @Override
    public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
        setClob(parameterIndex, reader, length);
    }

    @Override
    public void setRef(int parameterIndex, Ref x) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setBlob(int parameterIndex, Blob blob) throws SQLException {
        setBytes(parameterIndex, blob.getBytes(1, (int) blob.length()));
    }

    @Override
    public void setClob(int parameterIndex, Clob clob) throws SQLException {
        setString(parameterIndex, clob.getSubString(1, (int) clob.length()));
    }

    @Override
    public void setArray(int parameterIndex, Array x) throws SQLException {
        setObject(parameterIndex, x);
    }

    @Override
    public ResultSetMetaData getMetaData() throws SQLException {
        AerospikeQuery query = parseQuery(sqlStatement, Arrays.asList(sqlParameters));
        List columns = ((AerospikeDatabaseMetadata) connection.getMetaData())
                .getSchemaBuilder()
                .getSchema(query.getCatalogTable());
        return new AerospikeResultSetMetaData(query.getCatalog(), query.getTable(), columns);
    }

    @Override
    public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setURL(int parameterIndex, URL url) throws SQLException {
        setString(parameterIndex, url != null ? url.toString() : null);
    }

    @Override
    public ParameterMetaData getParameterMetaData() throws SQLException {
        AerospikeQuery query = parseQuery(sqlStatement, Arrays.asList(sqlParameters));
        List columns = ((AerospikeDatabaseMetadata) connection.getMetaData())
                .getSchemaBuilder()
                .getSchema(query.getCatalogTable());
        return new SimpleParameterMetaData(columns);
    }

    @Override
    public void setRowId(int parameterIndex, RowId x) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setNString(int parameterIndex, String value) throws SQLException {
        setString(parameterIndex, value);
    }

    @Override
    public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException {
        setCharacterStream(parameterIndex, value, length);
    }

    @Override
    public void setNClob(int parameterIndex, NClob clob) throws SQLException {
        setString(parameterIndex, clob.getSubString(1, (int) clob.length()));
    }

    @Override
    public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
        try {
            String result = IOUtils.toString(reader);
            if (result.length() != length) {
                throw new SQLException(format("Unexpected data length: expected %s but was %d", length,
                        result.length()));
            }
            setObject(parameterIndex, result);
        } catch (IOException e) {
            throw new SQLException(e);
        }
    }

    @Override
    public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException {
        byte[] bytes = new byte[(int) length];
        DataInputStream dataInputStream = new DataInputStream(inputStream);
        try {
            dataInputStream.readFully(bytes);
            if (inputStream.read() != -1) {
                throw new SQLException(format("Source contains more bytes than required %d", length));
            }
            setBytes(parameterIndex, bytes);
        } catch (EOFException e) {
            throw new SQLException(format("Source contains less bytes than required %d", length), e);
        } catch (IOException e) {
            throw new SQLException(e);
        }
    }

    @Override
    public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
        setClob(parameterIndex, reader, length);
    }

    @Override
    public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength) throws SQLException {
        throw new SQLFeatureNotSupportedException();
    }

    @Override
    public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
        setClob(parameterIndex, new InputStreamReader(x), length);
    }

    @Override
    public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
        setBlob(parameterIndex, x, length);
    }

    @Override
    public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
        setClob(parameterIndex, reader, length);
    }

    @Override
    public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
        setClob(parameterIndex, new InputStreamReader(x));
    }

    @Override
    public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
        setBlob(parameterIndex, x);
    }

    @Override
    public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
        setClob(parameterIndex, reader);
    }

    @Override
    public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
        setNClob(parameterIndex, value);
    }

    @Override
    public void setClob(int parameterIndex, Reader reader) throws SQLException {
        try {
            setClob(parameterIndex, new StringClob(IOUtils.toString(reader)));
        } catch (IOException e) {
            throw new SQLException(e);
        }
    }

    @Override
    public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
        try {
            setBlob(parameterIndex, new ByteArrayBlob(IOUtils.toByteArray(inputStream)));
        } catch (IOException e) {
            throw new SQLException(e);
        }
    }

    @Override
    public void setNClob(int parameterIndex, Reader reader) throws SQLException {
        setClob(parameterIndex, reader);
    }
}