Examples with PreparedOkPacket com.actiontech.dble.net.mysql.PreparedOkPacket used on opensource projects

Example 1 with PreparedOkPacket

use of com.actiontech.dble.net.mysql.PreparedOkPacket in project dble by actiontech.

the class PreparedStmtResponse method response.

public static void response(PreparedStatement pStmt, FrontendConnection c) {
    byte packetId = 0;
    // write preparedOk packet
    PreparedOkPacket preparedOk = new PreparedOkPacket();
    preparedOk.setPacketId(++packetId);
    preparedOk.setStatementId(pStmt.getId());
    preparedOk.setColumnsNumber(pStmt.getColumnsNumber());
    preparedOk.setParametersNumber(pStmt.getParametersNumber());
    ByteBuffer buffer = preparedOk.write(c.allocate(), c, true);
    // write parameter field packet
    int parametersNumber = preparedOk.getParametersNumber();
    if (parametersNumber > 0) {
        for (int i = 0; i < parametersNumber; i++) {
            FieldPacket field = new FieldPacket();
            field.setPacketId(++packetId);
            buffer = field.write(buffer, c, true);
        }
        EOFPacket eof = new EOFPacket();
        eof.setPacketId(++packetId);
        buffer = eof.write(buffer, c, true);
    }
    // write column field packet
    int columnsNumber = preparedOk.getColumnsNumber();
    if (columnsNumber > 0) {
        for (int i = 0; i < columnsNumber; i++) {
            FieldPacket field = new FieldPacket();
            field.setPacketId(++packetId);
            buffer = field.write(buffer, c, true);
        }
        EOFPacket eof = new EOFPacket();
        eof.setPacketId(++packetId);
        buffer = eof.write(buffer, c, true);
    }
    // send buffer
    c.write(buffer);
}