Examples with FieldExpression com.hortonworks.streamline.streams.layout.component.rule.expression.FieldExpression used on opensource projects

Example 11 with FieldExpression

use of com.hortonworks.streamline.streams.layout.component.rule.expression.FieldExpression in project streamline by hortonworks.

the class SqlNestedExprScriptTest method testEvaluateNestedMap.

// @Test
public void testEvaluateNestedMap() throws Exception {
    Condition condition = new Condition();
    Expression y_b = new MapFieldExpression(new FieldExpression(Schema.Field.of("y", Schema.Type.NESTED)), "b");
    condition.setExpression(new BinaryExpression(Operator.LESS_THAN, y_b, new Literal("100")));
    sqlScript = new SqlScript(new StormSqlExpression(condition), new SqlEngine(), new SqlScript.CorrelatedValuesToStreamlineEventConverter(Collections.singletonList("y")));
    Map<String, Object> nested = new HashMap<>();
    nested.put("a", 5);
    nested.put("b", 10);
    Map<String, Object> kv = new HashMap<>();
    kv.put("x", 10);
    kv.put("y", nested);
    StreamlineEvent event = StreamlineEventImpl.builder().fieldsAndValues(kv).dataSourceId("1").build();
    Collection<StreamlineEvent> result = sqlScript.evaluate(event);
    Assert.assertEquals(1, result.size());
}

Example 12 with FieldExpression

use of com.hortonworks.streamline.streams.layout.component.rule.expression.FieldExpression in project streamline by hortonworks.

the class SqlNestedExprScriptTest method testBasic.

@Test
public void testBasic() throws Exception {
    Condition condition = new Condition();
    Expression x = new FieldExpression(Schema.Field.of("x", Schema.Type.INTEGER));
    condition.setExpression(new BinaryExpression(Operator.NOT_EQUAL, x, new Literal("100")));
    sqlScript = new SqlScript(new StormSqlExpression(condition), new SqlEngine(), new SqlScript.CorrelatedValuesToStreamlineEventConverter(Collections.singletonList("x")));
    Map<String, Object> kv = new HashMap<>();
    kv.put("x", 100);
    StreamlineEvent event = StreamlineEventImpl.builder().fieldsAndValues(kv).dataSourceId("1").build();
    Collection<StreamlineEvent> result = sqlScript.evaluate(event);
    Assert.assertTrue(result.isEmpty());
}

Example 13 with FieldExpression

use of com.hortonworks.streamline.streams.layout.component.rule.expression.FieldExpression in project streamline by hortonworks.

the class SqlNestedExprScriptTest method testEvaluateNestedMapList.

// @Test
public void testEvaluateNestedMapList() throws Exception {
    Condition condition = new Condition();
    Expression y_a_0 = new ArrayFieldExpression(new MapFieldExpression(new FieldExpression(Schema.Field.of("y", Schema.Type.NESTED)), "a"), 0);
    condition.setExpression(new BinaryExpression(Operator.LESS_THAN, y_a_0, new Literal("100")));
    sqlScript = new SqlScript(new StormSqlExpression(condition), new SqlEngine(), new SqlScript.CorrelatedValuesToStreamlineEventConverter(Collections.singletonList("y")));
    List<Integer> nestedList = new ArrayList<>();
    nestedList.add(500);
    nestedList.add(1);
    Map<String, Object> nestedMap = new HashMap<>();
    nestedMap.put("a", nestedList);
    Map<String, Object> kv = new HashMap<>();
    kv.put("x", 10);
    kv.put("y", nestedMap);
    StreamlineEvent event = StreamlineEventImpl.builder().fieldsAndValues(kv).dataSourceId("1").build();
    Collection<StreamlineEvent> result = sqlScript.evaluate(event);
    Assert.assertTrue(result.isEmpty());
}