OceanBase 分布式事務(wù)示例

import oracle.jdbc.xa.OracleXid;
import oracle.jdbc.xa.OracleXAException;
import oracle.jdbc.pool.*;
import oracle.jdbc.xa.client.*;
import javax.transaction.xa.*;

import oracle.jdbc.xa.server.*;

public static void initClass() throws SQLException {
    createTable(tableName1, "c1 int,c2 int");
    createTable(tableName2, "c1 int,c2 int");
    createTable(tableName3, "c1 varchar(200)");
}

public void obOracleXAOne() throws Exception {
    Assume.assumeTrue(sharedUsePrepare());
    Connection conn = setConnection();
    conn.createStatement().execute(" insert into " + tableName1 + "  values(1,2)");
    JDBC4MysqlXAConnection mysqlXAConnection = new JDBC4MysqlXAConnection(
        (OceanBaseConnection) conn);
    String gtridStr = "gtrid_test_wgs_ob_oracle_xa_one";
    String bqualStr = "bqual_test_wgs_ob_oracle_xa_one";
    Xid xid = new MysqlXid(gtridStr.getBytes(), bqualStr.getBytes(), 123);
    try {
        mysqlXAConnection.start(xid, XAResource.TMNOFLAGS);
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        pstmt = conn.prepareStatement("select c1 from " + tableName1);
        rs = pstmt.executeQuery();

        while (rs.next()) {
            System.out.println(rs.getInt(1));
        }
        pstmt.close();
        pstmt = conn.prepareStatement("insert into " + tableName1 + " (c1, c2) values(?, ?)");
        pstmt.setInt(1, 12);
        pstmt.setInt(2, 12);
        pstmt.executeUpdate();
        mysqlXAConnection.end(xid, XAResource.TMSUCCESS);
        mysqlXAConnection.prepare(xid);
        mysqlXAConnection.commit(xid, false);
    } catch (Exception e) {
        e.printStackTrace();
        mysqlXAConnection.rollback(xid);
        throw e;
    }
}

public void obOracleXAOnePhase() throws Exception {
    Assume.assumeTrue(sharedUsePrepare());
    Connection conn = null;

    conn = setConnection();
    conn.createStatement().execute(" insert into " + tableName2 + "  values(1,2)");

    JDBC4MysqlXAConnection mysqlXAConnection = new JDBC4MysqlXAConnection(
        (OceanBaseConnection) conn);
    String gtridStr = "gtrid_test_wgs_ob_oracle_xa_one_phase";
    String bqualStr = "bqual_test_wgs_ob_oracle_xa_one_phase";

    Xid xid = new MysqlXid(gtridStr.getBytes(), bqualStr.getBytes(), 123);
    try {
        mysqlXAConnection.start(xid, XAResource.TMNOFLAGS);
        // ps test
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        pstmt = conn.prepareStatement("select c1 from " + tableName2 + "");
        rs = pstmt.executeQuery();

        while (rs.next()) {
            System.out.println(rs.getInt(1));
        }

        pstmt.close();

        pstmt = conn.prepareStatement("insert into " + tableName2 + " (c1, c2) values(?, ?)");
        pstmt.setInt(1, 12);
        pstmt.setInt(2, 12);
        pstmt.executeUpdate();

        mysqlXAConnection.end(xid, XAResource.TMSUCCESS);
        mysqlXAConnection.commit(xid, true);
    } catch (Exception e) {
        mysqlXAConnection.rollback(xid);
        throw e;
    }
}