@Test
public void testInsertObject() throws Exception {
String str = "";
str += "package org.drools \n";
str += "import org.drools.Cheese \n";
str += "rule rule1 \n";
str += " when \n";
str += " $c : Cheese() \n";
str += " \n";
str += " then \n";
str += " $c.setPrice( 30 ); \n";
str += "end\n";
Cheese stilton = new Cheese("stilton", 5);
StatelessKnowledgeSession ksession =
getSession2(ResourceFactory.newByteArrayResource(str.getBytes()));
GenericCommand cmd = (GenericCommand) CommandFactory.newInsert(stilton, "outStilton");
BatchExecutionCommandImpl batch =
new BatchExecutionCommandImpl(Arrays.asList(new GenericCommand<?>[] {cmd}));
ExecutionResults result = (ExecutionResults) ksession.execute(batch);
stilton = (Cheese) result.getValue("outStilton");
assertEquals(30, stilton.getPrice());
}
@Test
public void testSetGlobal() throws Exception {
String str = "";
str += "package org.drools \n";
str += "import org.drools.Cheese \n";
str += "global java.util.List list1 \n";
str += "global java.util.List list2 \n";
str += "global java.util.List list3 \n";
str += "rule rule1 \n";
str += " when \n";
str += " $c : Cheese() \n";
str += " \n";
str += " then \n";
str += " $c.setPrice( 30 ); \n";
str += " list1.add( $c ); \n";
str += " list2.add( $c ); \n";
str += " list3.add( $c ); \n";
str += "end\n";
Cheese stilton = new Cheese("stilton", 5);
List list1 = new ArrayList();
List list2 = new ArrayList();
List list3 = new ArrayList();
StatelessKnowledgeSession ksession =
getSession2(ResourceFactory.newByteArrayResource(str.getBytes()));
Command setGlobal1 = CommandFactory.newSetGlobal("list1", list1);
Command setGlobal2 = CommandFactory.newSetGlobal("list2", list2, true);
Command setGlobal3 = CommandFactory.newSetGlobal("list3", list3, "outList3");
Command insert = CommandFactory.newInsert(stilton);
List cmds = new ArrayList();
cmds.add(setGlobal1);
cmds.add(setGlobal2);
cmds.add(setGlobal3);
cmds.add(insert);
ExecutionResults result =
(ExecutionResults) ksession.execute(CommandFactory.newBatchExecution(cmds));
assertEquals(30, stilton.getPrice());
assertNull(result.getValue("list1"));
list2 = (List) result.getValue("list2");
assertEquals(1, list2.size());
assertSame(stilton, list2.get(0));
list3 = (List) result.getValue("outList3");
assertEquals(1, list3.size());
assertSame(stilton, list3.get(0));
}
protected Collection<ReportItem> evaluate(Object... elements) {
StatelessKnowledgeSession ksession = kbase.newStatelessKnowledgeSession();
Collection<ReportItem> reportItems = new ArrayList<ReportItem>();
List<Command<?>> commands = new ArrayList<Command<?>>();
for (Object o : elements) {
commands.add(CommandFactory.newInsert(o));
}
commands.add(CommandFactory.newFireAllRules());
commands.add(CommandFactory.newQuery("reports", "getReports"));
ExecutionResults results = ksession.execute(CommandFactory.newBatchExecution(commands));
// System.out.println(results.getIdentifiers());
QueryResults queryResults = (QueryResults) results.getValue("reports");
for (QueryResultsRow result : queryResults) {
reportItems.add((ReportItem) result.get("item"));
}
return reportItems;
}
@Test
public void testQuery() throws Exception {
String str = "";
str += "package org.drools.test \n";
str += "import org.drools.Cheese \n";
str += "query cheeses \n";
str += " stilton : Cheese(type == 'stilton') \n";
str += " cheddar : Cheese(type == 'cheddar', price == stilton.price) \n";
str += "end\n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
kbase = SerializationHelper.serializeObject(kbase);
StatelessKnowledgeSession ksession = kbase.newStatelessKnowledgeSession();
Cheese stilton1 = new Cheese("stilton", 1);
Cheese cheddar1 = new Cheese("cheddar", 1);
Cheese stilton2 = new Cheese("stilton", 2);
Cheese cheddar2 = new Cheese("cheddar", 2);
Cheese stilton3 = new Cheese("stilton", 3);
Cheese cheddar3 = new Cheese("cheddar", 3);
Set set = new HashSet();
List list = new ArrayList();
list.add(stilton1);
list.add(cheddar1);
set.add(list);
list = new ArrayList();
list.add(stilton2);
list.add(cheddar2);
set.add(list);
list = new ArrayList();
list.add(stilton3);
list.add(cheddar3);
set.add(list);
List<Command> cmds = new ArrayList<Command>();
cmds.add(CommandFactory.newInsert(stilton1));
cmds.add(CommandFactory.newInsert(stilton2));
cmds.add(CommandFactory.newInsert(stilton3));
cmds.add(CommandFactory.newInsert(cheddar1));
cmds.add(CommandFactory.newInsert(cheddar2));
cmds.add(CommandFactory.newInsert(cheddar3));
cmds.add(CommandFactory.newQuery("cheeses", "cheeses"));
ExecutionResults batchResult =
(ExecutionResults) ksession.execute(CommandFactory.newBatchExecution(cmds));
org.drools.runtime.rule.QueryResults results =
(org.drools.runtime.rule.QueryResults) batchResult.getValue("cheeses");
assertEquals(3, results.size());
assertEquals(2, results.getIdentifiers().length);
Set newSet = new HashSet();
for (org.drools.runtime.rule.QueryResultsRow result : results) {
list = new ArrayList();
list.add(result.get("stilton"));
list.add(result.get("cheddar"));
newSet.add(list);
}
assertEquals(set, newSet);
}