Example usage for org.springframework.jdbc.object BatchSqlUpdate reset

Introduction

In this page you can find the example usage for org.springframework.jdbc.object BatchSqlUpdate reset.

Prototype

public void reset() 

Source Link

Document

Reset the statement parameter queue, the rows affected cache, and the execution count.

Usage

From source file:org.springframework.jdbc.object.BatchSqlUpdateTests.java

private void doTestBatchUpdate(boolean flushThroughBatchSize) throws Exception {
    final String sql = "UPDATE NOSUCHTABLE SET DATE_DISPATCHED = SYSDATE WHERE ID = ?";
    final int[] ids = new int[] { 100, 200 };
    final int[] rowsAffected = new int[] { 1, 2 };

    MockControl ctrlPreparedStatement = MockControl.createControl(PreparedStatement.class);
    PreparedStatement mockPreparedStatement = (PreparedStatement) ctrlPreparedStatement.getMock();
    mockPreparedStatement.getConnection();
    ctrlPreparedStatement.setReturnValue(mockConnection);
    mockPreparedStatement.setObject(1, new Integer(ids[0]), Types.INTEGER);
    ctrlPreparedStatement.setVoidCallable();
    mockPreparedStatement.addBatch();// w w  w  .j a v  a 2s . c  om
    ctrlPreparedStatement.setVoidCallable();
    mockPreparedStatement.setObject(1, new Integer(ids[1]), Types.INTEGER);
    ctrlPreparedStatement.setVoidCallable();
    mockPreparedStatement.addBatch();
    ctrlPreparedStatement.setVoidCallable();
    mockPreparedStatement.executeBatch();
    ctrlPreparedStatement.setReturnValue(rowsAffected);
    if (debugEnabled) {
        mockPreparedStatement.getWarnings();
        ctrlPreparedStatement.setReturnValue(null);
    }
    mockPreparedStatement.close();
    ctrlPreparedStatement.setVoidCallable();

    MockControl ctrlDatabaseMetaData = MockControl.createControl(DatabaseMetaData.class);
    DatabaseMetaData mockDatabaseMetaData = (DatabaseMetaData) ctrlDatabaseMetaData.getMock();
    mockDatabaseMetaData.supportsBatchUpdates();
    ctrlDatabaseMetaData.setReturnValue(true);

    mockConnection.prepareStatement(sql);
    ctrlConnection.setReturnValue(mockPreparedStatement);
    mockConnection.getMetaData();
    ctrlConnection.setReturnValue(mockDatabaseMetaData, 1);

    ctrlPreparedStatement.replay();
    ctrlDatabaseMetaData.replay();
    replay();

    BatchSqlUpdate update = new BatchSqlUpdate(mockDataSource, sql);
    update.declareParameter(new SqlParameter(Types.INTEGER));
    if (flushThroughBatchSize) {
        update.setBatchSize(2);
    }

    update.update(ids[0]);
    update.update(ids[1]);

    if (flushThroughBatchSize) {
        assertEquals(0, update.getQueueCount());
        assertEquals(2, update.getRowsAffected().length);
    } else {
        assertEquals(2, update.getQueueCount());
        assertEquals(0, update.getRowsAffected().length);
    }

    int[] actualRowsAffected = update.flush();
    assertEquals(0, update.getQueueCount());

    if (flushThroughBatchSize) {
        assertTrue("flush did not execute updates", actualRowsAffected.length == 0);
    } else {
        assertTrue("executed 2 updates", actualRowsAffected.length == 2);
        assertEquals(rowsAffected[0], actualRowsAffected[0]);
        assertEquals(rowsAffected[1], actualRowsAffected[1]);
    }

    actualRowsAffected = update.getRowsAffected();
    assertTrue("executed 2 updates", actualRowsAffected.length == 2);
    assertEquals(rowsAffected[0], actualRowsAffected[0]);
    assertEquals(rowsAffected[1], actualRowsAffected[1]);

    update.reset();
    assertEquals(0, update.getRowsAffected().length);

    ctrlPreparedStatement.verify();
    ctrlDatabaseMetaData.verify();
}

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