/// <summary>
/// The current implementation of assertObject is simple, but flexible. This
/// version is not multi-threaded and doesn't use an event queue. Later on a
/// multi-threaded version will be written which overrides the base
/// implementation. If the user passes a specific template name, the engine
/// will attempt to only propogate the fact down that template. if no
/// template name is given, the engine will propogate the fact down all input
/// nodes, including parent templates.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="template">The template.</param>
/// <param name="statc">if set to <c>true</c> [statc].</param>
/// <param name="shadow">if set to <c>true</c> [shadow].</param>
public virtual void assertObject(Object data, String template, bool statc, bool shadow)
{
Defclass dc = null;
if (template == null)
{
dc = engine.findDefclass(data);
}
else
{
dc = engine.findDefclassByTemplate(template);
}
if (dc != null)
{
if (statc && !StaticFacts.ContainsKey(data))
{
IFact shadowfact = createFact(data, dc, template, engine.nextFactId());
// Add it to the static fact map
StaticFacts.Put(data, shadowfact);
assertFact(shadowfact);
}
else if (!DynamicFacts.ContainsKey(data))
{
if (shadow)
{
// first Add the rule engine as a listener
if (dc.JavaBean)
{
try
{
MethodInfo miHandler = typeof(Rete).GetMethod("PropertyHasChanged", BindingFlags.NonPublic | BindingFlags.Instance);
Delegate d = Delegate.CreateDelegate(dc.DelegateType, this.engine, miHandler);
dc.AddListenerMethod.Invoke(data, (Object[])new Object[] { d });
}
catch (TargetInvocationException e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
}
catch (UnauthorizedAccessException e)
{
System.Diagnostics.Trace.WriteLine(e.Message);
}
}
// second, lookup the deftemplate and create the
// shadow fact
IFact shadowfact = createFact(data, dc, template, engine.nextFactId());
// Add it to the dynamic fact map
DynamicFacts.Put(data, shadowfact);
assertFact(shadowfact);
}
else
{
IFact nsfact = createNSFact(data, dc, engine.nextFactId());
DynamicFacts.Put(data, nsfact);
assertFact(nsfact);
}
}
}
}
public void testAssertLeftOne()
{
// first create a rule engine instance
Rete engine = new Rete();
NotJoin bn = new NotJoin(engine.nextNodeId());
Assert.IsNotNull(bn);
// create a defclass
Defclass dc = new Defclass(typeof(TestBean2));
// create deftemplate
Deftemplate dtemp = dc.createDeftemplate("testBean2");
Assert.IsNotNull(dtemp);
Binding[] binds = new Binding[1];
Binding b1 = new Binding();
b1.LeftIndex = (0);
b1.IsObjectVar = (false);
b1.LeftRow = (0);
b1.RightIndex = (0);
b1.VarName = ("var1");
binds[0] = b1;
// set the binding
bn.Bindings = (binds);
TestBean2 bean = new TestBean2();
bean.Attr1 = ("random1");
bean.Attr2 = (101);
short s = 10001;
bean.Attr3 = (s);
long l = 10101018;
bean.Attr4 = (l);
bean.Attr5 = (1010101);
bean.Attr6 = (1001.1001);
IFact f1 = dtemp.createFact(bean, dc, engine.nextFactId());
try
{
bn.assertLeft(new Index(new IFact[] { f1 }), engine, engine.WorkingMemory);
IGenericMap <Object, Object> bmem = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(bn);
Assert.AreEqual(1, bmem.Count);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
engine.close();
}
public void testPropogateNoMatch()
{
Console.WriteLine("testPropogateNoMatch");
// first create a rule engine instance
Rete engine = new Rete();
NotJoin nj = new NotJoin(engine.nextNodeId());
HashedEqBNode bn2 = new HashedEqBNode(engine.nextNodeId());
Assert.IsNotNull(nj);
// create a defclass
Defclass dc = new Defclass(typeof(TestBean2));
// create deftemplate
Deftemplate dtemp = dc.createDeftemplate("testBean2");
Assert.IsNotNull(dtemp);
Binding[] binds = new Binding[1];
Binding b1 = new Binding();
b1.LeftIndex = (0);
b1.IsObjectVar = (false);
b1.LeftRow = (0);
b1.RightIndex = (0);
b1.VarName = ("var1");
binds[0] = b1;
Binding[] binds2 = new Binding[1];
Binding b2 = new Binding();
b2.LeftIndex = (1);
b2.IsObjectVar = (false);
b2.LeftRow = (0);
b2.RightIndex = (1);
b2.VarName = ("var2");
binds2[0] = b2;
// set the binding
nj.Bindings = (binds);
bn2.Bindings = (binds2);
// now add the second Not to the first
try
{
nj.addSuccessorNode(bn2, engine, engine.WorkingMemory);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
int count = 10;
ArrayList data = new ArrayList();
for (int idx = 0; idx < count; idx++)
{
TestBean2 bean = new TestBean2();
bean.Attr1 = ("random" + idx);
bean.Attr2 = (101 + idx);
short s = 10001;
bean.Attr3 = (s);
long l = 10101018 + idx;
bean.Attr4 = (l);
bean.Attr5 = (1010101);
bean.Attr6 = (1001.1001);
IFact fact = dtemp.createFact(bean, dc, engine.nextFactId());
data.Add(fact);
}
IEnumerator itr = data.GetEnumerator();
while (itr.MoveNext())
{
try
{
IFact f1 = (IFact)itr.Current;
nj.assertLeft(new Index(new IFact[] { f1 }), engine, engine.WorkingMemory);
nj.assertRight(f1, engine, engine.WorkingMemory);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
}
IGenericMap <IFact, IFact> rbmem = (IGenericMap <IFact, IFact>)engine.WorkingMemory.getBetaRightMemory(nj);
Assert.AreEqual(count, rbmem.Count);
IGenericMap <Object, Object> lbmem = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(nj);
Assert.AreEqual(count, lbmem.Count);
// now check the BetaMemory has matches
Console.WriteLine(nj.toPPString());
IEnumerator mitr = lbmem.Values.GetEnumerator();
while (mitr.MoveNext())
{
IBetaMemory btm = (IBetaMemory)mitr.Current;
Assert.AreEqual(0, btm.matchCount());
Console.WriteLine("match count=" + btm.matchCount() +
" - " + btm.toPPString());
}
IGenericMap <Object, Object> lbmem2 = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(bn2);
Assert.AreEqual(count, lbmem2.Count);
Console.WriteLine(bn2.toPPString());
IEnumerator mitr2 = lbmem2.Values.GetEnumerator();
engine.close();
// TODO need to update the test to check the match count
// by getting the right memory
}
public void testPropogateChange()
{
Console.WriteLine("testPropogateChange");
// first create a rule engine instance
Rete engine = new Rete();
NotJoin nj = new NotJoin(engine.nextNodeId());
HashedEqBNode bn2 = new HashedEqBNode(engine.nextNodeId());
Assert.IsNotNull(nj);
// create a defclass
Defclass dc = new Defclass(typeof(TestBean2));
// create deftemplate
Deftemplate dtemp = dc.createDeftemplate("testBean2");
Assert.IsNotNull(dtemp);
Binding[] binds = new Binding[1];
Binding b1 = new Binding();
b1.LeftIndex = (0);
b1.IsObjectVar = (false);
b1.LeftRow = (0);
b1.RightIndex = (0);
b1.VarName = ("var1");
binds[0] = b1;
Binding[] binds2 = new Binding[1];
Binding b2 = new Binding();
b2.LeftIndex = (1);
b2.IsObjectVar = (false);
b2.LeftRow = (0);
b2.RightIndex = (1);
b2.VarName = ("var2");
binds2[0] = b2;
// set the binding
nj.Bindings = (binds);
bn2.Bindings = (binds2);
// now add the second Not to the first
try
{
nj.addSuccessorNode(bn2, engine, engine.WorkingMemory);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
int count = 2;
ArrayList data = new ArrayList();
for (int idx = 0; idx < count; idx++)
{
TestBean2 bean = new TestBean2();
bean.Attr1 = ("random");
bean.Attr2 = (101 + idx);
short s = 10001;
bean.Attr3 = (s);
long l = 10101018 + idx;
bean.Attr4 = (l);
bean.Attr5 = (1010101);
bean.Attr6 = (1001.1001);
IFact fact = dtemp.createFact(bean, dc, engine.nextFactId());
data.Add(fact);
}
IEnumerator itr = data.GetEnumerator();
while (itr.MoveNext())
{
try
{
IFact f1 = (IFact)itr.Current;
nj.assertLeft(new Index(new IFact[] { f1 }), engine, engine.WorkingMemory);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
}
IGenericMap <Object, Object> lbmem = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(nj);
Assert.AreEqual(count, lbmem.Count);
IGenericMap <Object, Object> lbmem2 = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(bn2);
Assert.AreEqual(2, lbmem2.Count);
itr = data.GetEnumerator();
while (itr.MoveNext())
{
try
{
IFact f1 = (IFact)itr.Current;
nj.assertRight(f1, engine, engine.WorkingMemory);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
}
IGenericMap <IFact, IFact> rbmem = (IGenericMap <IFact, IFact>)engine.WorkingMemory.getBetaRightMemory(nj);
Assert.AreEqual(count, rbmem.Count);
// once the facts are asserted to the right, there should be no
// facts in successor. this makes sure that assertRight correctly
// results in a retract.
lbmem2 = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(bn2);
Assert.AreEqual(0, lbmem2.Count);
engine.close();
}
public void testMatch()
{
// first create a rule engine instance
Rete engine = new Rete();
NotJoin bn = new NotJoin(engine.nextNodeId());
Assert.IsNotNull(bn);
// create a defclass
Defclass dc = new Defclass(typeof(TestBean2));
// create deftemplate
Deftemplate dtemp = dc.createDeftemplate("testBean2");
Assert.IsNotNull(dtemp);
Binding[] binds = new Binding[1];
Binding b1 = new Binding();
b1.LeftIndex = (0);
b1.IsObjectVar = (false);
b1.LeftRow = (0);
b1.RightIndex = (0);
b1.VarName = ("var1");
binds[0] = b1;
// set the binding
bn.Bindings = (binds);
int count = 10;
ArrayList data = new ArrayList();
for (int idx = 0; idx < count; idx++)
{
TestBean2 bean = new TestBean2();
bean.Attr1 = ("random");
bean.Attr2 = (101);
short s = 10001;
bean.Attr3 = (s);
long l = 10101018;
bean.Attr4 = (l);
bean.Attr5 = (1010101);
bean.Attr6 = (1001.1001);
IFact fact = dtemp.createFact(bean, dc, engine.nextFactId());
data.Add(fact);
}
IEnumerator itr = data.GetEnumerator();
while (itr.MoveNext())
{
try
{
IFact f1 = (IFact)itr.Current;
bn.assertLeft(new Index(new IFact[] { f1 }), engine, engine.WorkingMemory);
bn.assertRight(f1, engine, engine.WorkingMemory);
}
catch (AssertException e)
{
Console.WriteLine(e.Message);
}
}
IGenericMap <IFact, IFact> rbmem = (IGenericMap <IFact, IFact>)engine.WorkingMemory.getBetaRightMemory(bn);
Assert.AreEqual(count, rbmem.Count);
IGenericMap <Object, Object> lbmem = (IGenericMap <Object, Object>)engine.WorkingMemory.getBetaLeftMemory(bn);
Assert.AreEqual(count, lbmem.Count);
// now check the BetaMemory has matches
Console.WriteLine(bn.toPPString());
IEnumerator mitr = lbmem.Values.GetEnumerator();
while (mitr.MoveNext())
{
IBetaMemory btm = (IBetaMemory)mitr.Current;
Assert.AreEqual(9, btm.matchCount());
Console.WriteLine("match count=" + btm.matchCount() +
" - " + btm.toPPString());
}
engine.close();
}
