/**
* Probe a port
*
* @param port The port to probe.
* @return The probe report.
*/
public static String portInfo(TypedIOPort port) {
String width = "";
try {
width = Integer.valueOf(port.getWidth()).toString();
} catch (IllegalActionException ex) {
width = "Failed to get width of port " + port.getFullName() + ex;
}
String description = "";
try {
description = port.description();
} catch (IllegalActionException ex) {
description = "Failed to get the description of port " + port.getFullName() + ": " + ex;
}
String msg = "Port Info: \n";
msg += " getName(): " + port.getName() + "\n";
msg += " getWidth(): " + width + "\n";
msg += " isInput(): " + port.isInput() + "\n";
msg += " isOutput(): " + port.isOutput() + "\n";
msg += " isMultiport(): " + port.isMultiport() + "\n";
msg += " className(): " + port.getClassName() + "\n";
msg += " getDisplayName(): " + port.getDisplayName() + "\n";
msg += " getElementName(): " + port.getElementName() + "\n";
msg += " getFullName(): " + port.getFullName() + "\n";
msg += " getSource(): " + port.getSource() + "\n";
msg += " description(): " + description + "\n";
msg += " toString(): " + port + "\n";
return msg;
}
/**
* Remove all ports.
*
* @throws IllegalActionException When bad things happen.
*/
void removeAllOutputPorts() throws IllegalActionException {
// Use toArray() to make a deep copy of this.portList().
// Do this to prevent ConcurrentModificationExceptions.
TypedIOPort[] ports = new TypedIOPort[0];
ports = (TypedIOPort[]) this.portList().toArray(ports);
for (TypedIOPort port : ports) {
if (port != null && port.isOutput()) {
String currPortName = port.getName();
try {
port.setContainer(null);
} catch (Exception ex) {
throw new IllegalActionException(this, "Error removing port: " + currPortName);
}
}
}
}
/**
* Update the ports to match the arguments. If an Argument has no corresponding port, a Port is
* added. If a Port does not have a corresponding Argument, then the Port is removed. If a input
* and/or output nature of a Port does not match the Argument with the same name, then the Port is
* adjusted.
*
* @exception IllegalActionException If there is a problem updating the ports.
*/
public void updatePorts() throws IllegalActionException {
Iterator arguments = this.argumentsList().iterator();
TypedIOPort port;
while (arguments.hasNext()) {
Argument argument = (Argument) arguments.next();
port = (TypedIOPort) this.getPort(argument.getName());
if (port == null) {
MoMLChangeRequest request = null;
try {
if (argument.isReturn()) {
request =
new MoMLChangeRequest(
this,
this,
"<port name=\""
+ argument.getName()
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ " <property name=\"output\"/>\n"
+ "</port>");
} else if (argument.isInput() && argument.isOutput()) {
request =
new MoMLChangeRequest(
this,
this,
"<port name=\""
+ argument.getName()
+ "in"
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ " <property name=\"input\"/>\n"
+ "</port>\n"
+ "<port name=\""
+ argument.getName()
+ "out"
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ " <property name=\"output\"/>\n"
+ "</port>");
} else {
request =
new MoMLChangeRequest(
this,
this,
"<port name=\""
+ argument.getName()
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ (argument.isInput() ? " <property name=\"input\"/>\n" : "")
+ (argument.isOutput() ? " <property name=\"output\"/>\n" : "")
+ "</port>");
}
request.setUndoable(true);
requestChange(request);
} catch (Throwable throwable) {
throw new IllegalActionException(
this,
throwable,
"MoMLChangeRequest for \""
+ argument.getName()
+ "\" failed. Request was:\n"
+ request);
}
} else {
// We have a preexisting port, synchronized the
// arguments and the ports.
if (argument.isReturn()) {
if (port.isInput()) {
MoMLChangeRequest request =
new MoMLChangeRequest(
this,
this,
"<port name=\""
+ argument.getName()
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ " <deleteProperty name=\"input\"/>\n"
+ (port.isOutput() ? "" : " <property name=\"output\"/>\n")
+ "</port>");
request.setUndoable(true);
requestChange(request);
}
if (!port.isOutput()) {
MoMLChangeRequest request =
new MoMLChangeRequest(
this,
this,
"<port name=\""
+ argument.getName()
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ " <property name=\"output\"/>\n"
+ "</port>");
request.setUndoable(true);
requestChange(request);
}
} else /*if (port.isInput() != argument.isInput()
|| port.isOutput() != argument.isOutput())*/ {
MoMLChangeRequest request =
new MoMLChangeRequest(
this,
this,
"<port name=\""
+ argument.getName()
+ "\" class=\"ptolemy.actor.TypedIOPort\">\n"
+ (port.isInput()
? (argument.isInput() ? "" : "<deleteProperty name=\"input\"/>\n")
: (argument.isInput() ? "<property name=\"input\"/>\n" : ""))
+ (port.isOutput()
? (argument.isOutput() ? "" : "<deleteProperty name=\"output\"/>\n")
: (argument.isOutput() ? "<property name=\"output\"/>\n" : ""))
+ "</port>");
request.setUndoable(true);
requestChange(request);
}
}
}
// Remove any ports that do not have arguments.
Iterator ports = portList().iterator();
while (ports.hasNext()) {
port = (TypedIOPort) ports.next();
Argument argument = (Argument) _argumentsList.get(port.getName());
if (argument == null) {
MoMLChangeRequest request =
new MoMLChangeRequest(this, this, "<deletePort name=\"" + port.getName() + "\"/>");
request.setUndoable(true);
requestChange(request);
}
}
}
/**
* Read the argument of the function from the ports, call the native method throw the generated
* interface, and put the results on the corresponding ports.
*
* @exception IllegalActionException If a exception occured
*/
public void fire() throws IllegalActionException {
super.fire();
// getting the in/inout parameters
Iterator ports = this.portList().iterator();
Vector args = new Vector();
while (ports.hasNext()) {
TypedIOPort port = (TypedIOPort) ports.next();
if (port.isInput() && port.hasToken(0) && !(port.isOutput() && !port.isInput())) {
Token tok = port.get(0);
String typ = _methods[_methodIndex].getParameterTypes()[args.size()].toString();
if (typ.equals("boolean")) {
args.add(Boolean.valueOf(((BooleanToken) tok).booleanValue()));
} else if (typ.equals("int")) {
args.add(Integer.valueOf(((IntToken) tok).intValue()));
} else if (typ.equals("long")) {
args.add(Long.valueOf(((ScalarToken) tok).longValue()));
} else if (typ.equals("double")) {
args.add(Double.valueOf(((DoubleToken) tok).doubleValue()));
} else if (typ.equals("class [I")) {
int siz = ((ArrayToken) tok).arrayValue().length;
int[] tab = new int[siz];
for (int j = 0; j < siz; j++) {
tab[j] = ((IntToken) (((ArrayToken) tok).arrayValue()[j])).intValue();
}
// (int[])((ArrayToken)tok).arrayValue();
args.add(tab);
} else if (typ.equals("class [J")) {
int siz = ((ArrayToken) tok).length();
long[] tab = new long[siz];
for (int j = 0; j < siz; j++) {
Token element = ((ArrayToken) tok).getElement(j);
try {
tab[j] = ((LongToken) element).longValue();
} catch (Throwable throwable) {
throw new IllegalActionException(
this,
throwable,
"Failed to create LongToken, element "
+ j
+ " was: "
+ element.getClass().getName()
+ ", value: "
+ element
+ ", port: "
+ port);
}
}
// (int[])((ArrayToken)tok).arrayValue();
args.add(tab);
} else {
System.out.println(
"The intype \"" + typ + "\" is not convertible " + "with Ptolemy II types.");
}
}
}
// tBFixed : the out parameter is not in by definition
// ...so no port in can initialize the param
// call the native function
Object obj = null;
Object ret = null;
try {
try {
obj = _class.newInstance();
} catch (Error error) {
// Using JNI to link in a native library
// can result in a java.lang.UnsatisfiedLinkError
// which extends Error, not Exception.
// FIXME: Rethrow the error as an exception
String libraryPath = StringUtilities.getProperty("java.library.path");
throw new Exception(
"Class '"
+ _class
+ "' cannot be instantiated.\n"
+ "If you are running under Windows, "
+ "be sure that the directory containing the library "
+ "is in your PATH.\n"
+ "If you are running under Solaris, "
+ "be sure that the directory containing the library "
+ "is in your LD_LIBRARY_PATH and that the library "
+ "name begin with 'lib' and end with '.so'.\n"
+ "You may need to exit, set your "
+ "PATH or LD_LIBRARY_PATH to include the directory "
+ "that contains the shared library and "
+ "restart.\n"
+ "For example, under Windows "
+ "in a Cygwin bash shell:\n"
+ "PATH=/cygdrive/c/ptII/jni/dll:${PATH}\n"
+ "export PATH\n"
+ "vergil -jni foo.xml\n"
+ "A common error is that "
+ "the class cannot be found in "
+ "property 'java.library.path' "
+ "which is:\n"
+ libraryPath
+ "\nError message was: "
+ error.getMessage(),
error);
}
} catch (Exception ex) {
throw new IllegalActionException(this, ex, "Class cannot be instantiated");
}
try {
ret = _methods[_methodIndex].invoke(obj, args.toArray());
} catch (Throwable ex) {
StringBuffer argumentsDescription = new StringBuffer("");
try {
if (args.size() >= 1) {
argumentsDescription.append(args.elementAt(0).toString());
for (int i = 1; i < args.size(); i++) {
argumentsDescription.append(", " + args.elementAt(i).toString());
}
}
} catch (Throwable throwable) {
// Ignore
}
throw new IllegalActionException(
this,
ex,
"Native operation call failed."
+ "Failed to invoke '"
+ obj
+ "' with "
+ args.size()
+ " arg(s) "
+ argumentsDescription.toString());
}
ports = portList().iterator();
while (ports.hasNext()) {
TypedIOPort port = (TypedIOPort) ports.next();
// if the argument is return
if (getArgumentReturn() == null) {
System.err.println("Warning: GenericJNIActor.java: " + "getArgumentReturn() returns null?");
}
if ((port != null)
&& (port.getName() != null)
&& (getArgumentReturn() != null)
&& port.getName().equals(this.getArgumentReturn().getName())) {
String typ = "";
Field field = null;
try {
field = _class.getDeclaredField("_" + port.getName());
typ = field.getType().toString();
} catch (NoSuchFieldException e) {
try {
throw new IllegalActionException(
this, e, "No return type field '_" + port.getName() + "'");
} catch (Throwable throwable) {
getDirector().stop();
}
}
if (typ.equals("boolean")) {
port.send(0, new BooleanToken(((Boolean) ret).booleanValue()));
} else if (typ.equals("double")) {
port.send(0, new DoubleToken(((Double) ret).doubleValue()));
} else if (typ.equals("int")) {
port.send(0, new IntToken(((Integer) ret).intValue()));
} else if (typ.equals("long")) {
port.send(0, new LongToken(((Long) ret).longValue()));
} else if (typ.equals("char")) {
port.send(0, new UnsignedByteToken(((Byte) ret).byteValue()));
} else {
System.out.println("The return type is not convertible " + "with Ptolemy II types.");
}
}
// if the argument is output
else if ((port != null)
&& port.isOutput()
&& (port.getName() != null)
&& (getArgumentReturn() != null)
&& !(port.getName().equals(this.getArgumentReturn().getName()))) {
String typ = "";
Field field = null;
try {
field = _class.getDeclaredField("_" + port.getName());
typ = field.getType().toString();
} catch (NoSuchFieldException ex) {
try {
field =
_class.getDeclaredField(
"_" + port.getName().substring(0, port.getName().length() - 3));
typ = field.getType().toString();
} catch (Throwable throwable) {
try {
throw new IllegalActionException(
this, throwable, "No '+" + port.getName() + "' field !");
} catch (Throwable throwable2) {
getDirector().stop();
}
}
}
if (field == null) {
throw new InternalErrorException(
"Field '" + port.getName() + "' in '" + _class + "' is null?");
} else {
if (typ.equals("boolean")) {
try {
port.send(0, new BooleanToken(field.getBoolean(obj)));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else if (typ.equals("double")) {
try {
port.send(0, new DoubleToken(field.getDouble(obj)));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else if (typ.equals("int")) {
try {
port.send(0, new IntToken(field.getInt(obj)));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else if (typ.equals("long")) {
try {
port.send(0, new LongToken(field.getLong(obj)));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else if (typ.equals("char")) {
try {
port.send(0, new UnsignedByteToken(field.getChar(obj)));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else if (typ.equals("class [I")) {
try {
if (obj == null) {
throw new InternalErrorException("obj == null?");
}
if (field.get(obj) == null) {
throw new InternalErrorException(
"field.get(obj) == null? (field = " + field + " obj = " + obj);
}
Token[] toks = new Token[((int[]) field.get(obj)).length];
for (int j = 0; j < ((int[]) field.get(obj)).length; j++) {
toks[j] = new IntToken(((int[]) field.get(obj))[j]);
}
port.send(0, new ArrayToken(BaseType.INT, toks));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else if (typ.equals("class [J")) {
Token[] toks = null;
try {
if (obj == null) {
throw new InternalErrorException("obj == null?");
}
if (field.get(obj) == null) {
throw new InternalErrorException(
"field.get(obj) == null? (field = " + field + " obj = " + obj);
}
toks = new Token[((long[]) field.get(obj)).length];
for (int j = 0; j < ((long[]) field.get(obj)).length; j++) {
toks[j] = new LongToken(((long[]) field.get(obj))[j]);
}
port.send(0, new ArrayToken(BaseType.LONG, toks));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
} catch (IllegalActionException ex2) {
throw new IllegalActionException(
this,
ex2,
"Failed to send a Long array token "
+ (toks == null ? "null" : toks.length)
+ " to "
+ port);
}
} else if (typ.equals("class [D")) {
try {
Token[] toks = new Token[((double[]) field.get(obj)).length];
for (int j = 0; j < ((double[]) field.get(obj)).length; j++) {
toks[j] = new DoubleToken(((double[]) field.get(obj))[j]);
}
port.send(0, new ArrayToken(toks));
} catch (IllegalAccessException ex) {
throw new IllegalActionException(this, ex, "Type '" + typ + "' is not castable");
}
} else {
// FIXME: for char[] and boolean[], there is
// no corresponding Token type.
System.out.println(
"The outtype '" + typ + "' is not convertible " + "with Ptolemy II types.");
}
}
}
}
}
/**
* Transform the graphic block diagram to text expression. Assume container only contains atomic
* actors.
*
* @param container contains actors.
* @return txtExpression of graphic block diagram.
*/
private String _graphToText(CompositeActor container) throws IllegalActionException {
// It is not trivial to transform graph to text.
// Here, we assume there is only one Integrator and one expression actor.
String txtString = "";
LinkedList actors = new LinkedList(container.entityList());
ListIterator actorIterator = actors.listIterator();
// we begin with Integrator.
AtomicActor beginActor = new AtomicActor();
while (actorIterator.hasNext()) {
Actor actor = (Actor) actorIterator.next();
if (Integrator.class.isInstance(actor)) {
beginActor = (AtomicActor) actor;
break;
}
}
if (beginActor == null) {
throw new IllegalActionException("Integrator is needed!");
} else {
// we trace the output of the Integrator
// we assume the output of the integrator is connectted
// to the container output directly and they have same names
// for simplicity at this time.
// FIXME: we really need to reconsider the methods of ports.
List outputs = beginActor.outputPortList();
ListIterator outputIterator = outputs.listIterator();
String outputName = "";
if (outputs.size() != 1) {
throw new IllegalActionException("Integrator only have one output! " + outputs.size());
} else {
TypedIOPort output = (TypedIOPort) outputIterator.next();
ListIterator sinkIterator = output.connectedPortList().listIterator();
while (sinkIterator.hasNext()) {
TypedIOPort sink = (TypedIOPort) sinkIterator.next();
if (sink.isOutput()) {
// FIXME: we need to consider depth in hierarchy
// to avoid two outputs connected to same output
// of composite actor
outputName = sink.getName();
}
}
txtString += ("diff { d(" + outputName + ") == ");
}
// we trace the input of the integrator
List inputs = beginActor.inputPortList();
ListIterator inputIterator = inputs.listIterator();
if (inputs.size() != 1) {
throw new IllegalActionException("Integrator only have one input!");
} else {
TypedIOPort input = (TypedIOPort) inputIterator.next();
List sources = input.connectedPortList();
if (sources.size() != 1) {
throw new IllegalActionException("There is only one connection to the input!");
} else {
TypedIOPort source = (TypedIOPort) sources.get(0);
// if there is just an integrator
if (source.isInput()) {
txtString += (source.getName() + " ; }" + _endLine);
}
// if there is some expression actor
else {
AtomicActor expressionActor = (AtomicActor) source.getContainer();
if (Expression.class.isInstance(expressionActor)) {
Parameter expPara = (Parameter) expressionActor.getAttribute("expression");
txtString += (expPara.getExpression() + " ; } " + _endLine);
} else {
throw new IllegalActionException("This should be Expression Atomic Actor!");
}
}
}
}
}
return txtString;
}
// we assume the composite agent has no mode
// only atomic agent has mode
private String _compositeAgentCode(CompositeActor actor) throws IllegalActionException {
if (FSMDirector.class.isInstance(actor.getDirector())) {
// System.out.println("in FSM");
return _agentCode(actor);
}
LinkedList subAgents = _agents(actor);
if (subAgents.size() == 0) {
return _agentCode(actor);
}
String compositeCodeString = "";
String subAgentCode = "";
String privateVariables = "";
ListIterator subAgentsIterator = subAgents.listIterator();
// the output ports of composite agent
// In fact, there is always at most one output
List outputPorts = actor.outputPortList();
ListIterator outputPortsIterator = actor.outputPortList().listIterator();
if (outputPorts.size() > 1) {
throw new IllegalActionException(" The agent has more than one output!");
}
// get the source subAgent name
String outputAgentName = "";
String outputPortName = "";
String sourceForOutputName = "";
while (outputPortsIterator.hasNext()) {
TypedIOPort output = (TypedIOPort) outputPortsIterator.next();
outputPortName = output.getName();
ListIterator sourcePorts = output.insidePortList().listIterator();
TypedIOPort sourcePort = new TypedIOPort();
while (sourcePorts.hasNext()) {
TypedIOPort port = (TypedIOPort) sourcePorts.next();
if (port.isOutput()) {
if (sourcePort == null) {
throw new IllegalActionException(" The output has more than one source!");
} else {
sourcePort = port;
sourceForOutputName = sourcePort.getName();
Nameable sourceContainer = sourcePort.getContainer();
outputAgentName = sourceContainer.getName();
}
}
}
}
while (subAgentsIterator.hasNext()) {
String subAgentConnectionInputs = "";
String subAgentConnectionOutputs = "";
CompositeActor subAgent = (CompositeActor) subAgentsIterator.next();
if (outputAgentName.equals(subAgent.getName())) {
// the inside output actually is input to outside environment
subAgentConnectionOutputs += sourceForOutputName;
subAgentConnectionInputs += outputPortName;
}
subAgentCode +=
(" agent " + subAgent.getName().toLowerCase() + " = " + subAgent.getName() + " ( ");
if (actor.depthInHierarchy() == 0) {
subAgentCode += _agentParameterTokens((NamedObj) subAgent);
} else {
subAgentCode += _agentParameters((NamedObj) subAgent, false);
}
subAgentCode += (" );" + _endLine);
ListIterator subAgentInputs = subAgent.inputPortList().listIterator();
while (subAgentInputs.hasNext()) {
TypedIOPort input = (TypedIOPort) subAgentInputs.next();
LinkedList sourceList = _shallowSourcePortList(input);
ListIterator sources = sourceList.listIterator();
boolean privateVariable = true;
while (sources.hasNext()) {
TypedIOPort source = (TypedIOPort) sources.next();
if (source.depthInHierarchy() != input.depthInHierarchy()) {
privateVariable = false;
}
if (!(source.getName().equals(input.getName()))) {
if (subAgentConnectionOutputs == "") {
subAgentConnectionOutputs += source.getName();
subAgentConnectionInputs += input.getName();
} else {
subAgentConnectionOutputs += (", " + source.getName());
subAgentConnectionInputs += (", " + input.getName());
}
}
}
if (privateVariable) {
if (privateVariables == "") {
privateVariables += ("private analog real " + input.getName());
} else {
privateVariables += (", " + input.getName());
}
}
}
if (subAgentConnectionInputs.length() != 0) {
subAgentCode +=
(" [ "
+ subAgentConnectionInputs
+ " := "
+ subAgentConnectionOutputs
+ " ] ;"
+ _endLine);
}
compositeCodeString += _compositeAgentCode(subAgent);
}
compositeCodeString += "agent";
String parameterString = "";
String inputString = "";
String outputString = "";
String initString = "";
String modeString = "";
String modeParameterString = "";
LinkedList parameterList = (LinkedList) actor.attributeList(Parameter.class);
int parameterNumber = parameterList.size();
ListIterator parameters = parameterList.listIterator();
_inPorts = actor.inputPortList().iterator();
while (_inPorts.hasNext()) {
if (inputString == "") {
inputString += ("read analog real " + ((NamedObj) _inPorts.next()).getName());
} else {
inputString += (", " + ((NamedObj) _inPorts.next()).getName());
}
}
if (inputString != "") {
inputString += ";";
}
_outPorts = actor.outputPortList().iterator();
if (_outPorts.hasNext()) {
String outportName = ((NamedObj) _outPorts.next()).getName();
if (outputString == "") {
outputString += ("write analog real " + outportName);
} else {
outputString += (", " + outportName);
}
}
if (outputString != "") {
outputString += ";";
}
if (privateVariables.length() != 0) {
privateVariables += ";";
}
compositeCodeString += (" " + actor.getName() + " ( ");
if (actor.depthInHierarchy() != 0) {
compositeCodeString += _agentParameters((NamedObj) actor, true);
}
compositeCodeString +=
(" )"
+ _endLine
+ "{"
+ _endLine
+ " "
+ outputString
+ _endLine
+ " "
+ inputString
+ _endLine
+ " "
+ privateVariables
+ _endLine
+ subAgentCode
+ _endLine
+ "}"
+ _endLine);
return compositeCodeString;
}
