Examples with Expression org.apache.activemq.artemis.selector.filter.Expression used on opensource projects

Example 1 with Expression

use of org.apache.activemq.artemis.selector.filter.Expression in project activemq-artemis by apache.

the class SelectorParserTest method testParseWithParensAround.

@Test
public void testParseWithParensAround() throws Exception {
    String[] values = { "x = 1 and y = 2", "(x = 1) and (y = 2)", "((x = 1) and (y = 2))" };
    for (int i = 0; i < values.length; i++) {
        String value = values[i];
        info("Parsing: " + value);
        BooleanExpression andExpression = parse(value);
        Assert.assertTrue("Created LogicExpression expression", andExpression instanceof LogicExpression);
        LogicExpression logicExpression = (LogicExpression) andExpression;
        Expression left = logicExpression.getLeft();
        Expression right = logicExpression.getRight();
        Assert.assertTrue("Left is a binary filter", left instanceof ComparisonExpression);
        Assert.assertTrue("Right is a binary filter", right instanceof ComparisonExpression);
        ComparisonExpression leftCompare = (ComparisonExpression) left;
        ComparisonExpression rightCompare = (ComparisonExpression) right;
        assertPropertyExpression("left", leftCompare.getLeft(), "x");
        assertPropertyExpression("right", rightCompare.getLeft(), "y");
    }
}