Examples with AccumulateImportDescr org.drools.compiler.lang.descr.AccumulateImportDescr used on opensource projects

Example 1 with AccumulateImportDescr

use of org.drools.compiler.lang.descr.AccumulateImportDescr in project drools by kiegroup.

the class RuleParserTest method testImportAccumulate.

@Test
public void testImportAccumulate() throws Exception {
    String drl = "package org.drools.compiler\n" + "import acc foo.Bar baz\n" + "import accumulate foo.Bar2 baz2\n" + "rule \"Accumulate 1\"\n" + "when\n" + "     acc( Cheese( $price : price ),\n" + "          $v1 : baz( $price ), \n" + "          $v2 : baz2( $price ) )\n" + "then\n" + "end\n";
    final PackageDescr pkg = (PackageDescr) parse("compilationUnit", drl);
    assertEquals(2, pkg.getAccumulateImports().size());
    AccumulateImportDescr imp = (AccumulateImportDescr) pkg.getAccumulateImports().get(0);
    assertEquals("foo.Bar", imp.getTarget());
    assertEquals("baz", imp.getFunctionName());
    imp = (AccumulateImportDescr) pkg.getAccumulateImports().get(1);
    assertEquals("foo.Bar2", imp.getTarget());
    assertEquals("baz2", imp.getFunctionName());
    assertEquals(1, pkg.getRules().size());
    RuleDescr rule = (RuleDescr) pkg.getRules().get(0);
    assertEquals(1, rule.getLhs().getDescrs().size());
    PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get(0);
    assertEquals("Object", out.getObjectType());
    AccumulateDescr accum = (AccumulateDescr) out.getSource();
    assertTrue(accum.isExternalFunction());
    List<AccumulateFunctionCallDescr> functions = accum.getFunctions();
    assertEquals(2, functions.size());
    assertEquals("baz", functions.get(0).getFunction());
    assertEquals("$v1", functions.get(0).getBind());
    assertEquals("$price", functions.get(0).getParams()[0]);
    assertEquals("baz2", functions.get(1).getFunction());
    assertEquals("$v2", functions.get(1).getBind());
    assertEquals("$price", functions.get(1).getParams()[0]);
    final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
    assertEquals("Cheese", pattern.getObjectType());
}