public void testUnfilteredStreamPrior_OM() throws Exception {
    EPStatementObjectModel subquery = new EPStatementObjectModel();
    subquery.setSelectClause(SelectClause.create().add(Expressions.prior(0, "id")));
    subquery.setFromClause(
        FromClause.create(
            FilterStream.create("S1").addView("win", "length", Expressions.constant(1000))));

    EPStatementObjectModel model = new EPStatementObjectModel();
    model.setSelectClause(SelectClause.create().add(Expressions.subquery(subquery), "idS1"));
    model.setFromClause(FromClause.create(FilterStream.create("S0")));
    model = (EPStatementObjectModel) SerializableObjectCopier.copy(model);

    String stmtText = "select (select prior(0, id) from S1.win:length(1000)) as idS1 from S0";
    assertEquals(stmtText, model.toEPL());
    EPStatement stmt = epService.getEPAdministrator().create(model);
    runUnfilteredStreamPrior(stmt);
  }
示例#2
0
  public void testVariantOneOMToStmt() throws Exception {
    EPStatementObjectModel model = new EPStatementObjectModel();
    model.setInsertInto(InsertIntoClause.create("Event_1", "delta", "product"));
    model.setSelectClause(
        SelectClause.create()
            .add(Expressions.minus("intPrimitive", "intBoxed"), "deltaTag")
            .add(Expressions.multiply("intPrimitive", "intBoxed"), "productTag"));
    model.setFromClause(
        FromClause.create(
            FilterStream.create(SupportBean.class.getName())
                .addView(View.create("win", "length", Expressions.constant(100)))));
    model = (EPStatementObjectModel) SerializableObjectCopier.copy(model);

    EPStatement stmt = runAsserts(null, model);

    String epl =
        "insert into Event_1(delta, product) "
            + "select intPrimitive - intBoxed as deltaTag, intPrimitive * intBoxed as productTag "
            + "from "
            + SupportBean.class.getName()
            + ".win:length(100)";
    assertEquals(epl, model.toEPL());
    assertEquals(epl, stmt.getText());
  }