jadex.bdi.model.MParameter Maven / Gradle / Ivy
package jadex.bdi.model;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import jadex.bdi.runtime.impl.BDIAgentFeature;
import jadex.bdi.runtime.impl.IInternalBDIAgentFeature;
import jadex.common.ClassInfo;
import jadex.common.FieldInfo;
import jadex.common.MethodInfo;
import jadex.common.SAccess;
import jadex.common.SReflect;
import jadex.common.UnparsedExpression;
import jadex.execution.IExecutionFeature;
import jadex.javaparser.SJavaParser;
import jadex.model.IModelFeature;
import jadex.rules.eca.EventType;
/**
* Parameter model.
*/
public class MParameter extends MElement
{
public static Map dirs = new HashMap();
/** The message direction. */
public enum Direction
{
IN("in"),
OUT("out"),
INOUT("inout"),
FIXED("fixed");
protected String str;
/**
* Create a new direction
*/
Direction(String str)
{
this.str = str;
dirs.put(str, this);
}
/**
* Get the string representation.
* @return The string representation.
*/
public String getString()
{
return str;
}
/**
*
*/
public static Direction getDirection(String name)
{
return dirs.get(name);
}
}
public static Map evas = new HashMap();
/** The message direction. */
public enum EvaluationMode
{
STATIC("static"),
PUSH("push"), // change when other beliefs change
PULL("pull"), // recalculate on access
POLLING("polling");
protected String str;
/**
* Create a new direction
*/
EvaluationMode(String str)
{
this.str = str;
evas.put(str, this);
}
/**
* Get the string representation.
* @return The string representation.
*/
public String getString()
{
return str;
}
/**
*
*/
public static EvaluationMode getEvaluationMode(String name)
{
return evas.get(name);
}
}
//-------- attributes --------
/** The field target. */
protected FieldInfo ftarget;
/** The method targets. */
protected MethodInfo mgetter;
protected MethodInfo msetter;
/** Flag if is multi. */
protected Boolean multi;
//-------- additional xml properties --------
/** The direction. */
protected Direction direction = Direction.IN; // default is 'in'
/** The type (if explicitly specified). */
protected ClassInfo clazz;
/** The default value. */
protected UnparsedExpression value;
/** The default values (multi). */
protected List values;
/** The optional flag. */
protected boolean optional;
/** The binding options. */
protected UnparsedExpression bindingoptions;
/** The direction. */
protected EvaluationMode evaluationmode = EvaluationMode.STATIC;
/** The update rate. */
protected UnparsedExpression updaterate;
// Currently unused -> todo support in XML / Annotations.
// /** The events this belief depends on. */
// protected Set beliefevents;
//
// /** The raw events. */
// protected Set rawevents;
/** The ECA events that may denote changes in the parameter value(s). */
protected List events;
/** The service mappings. */
protected List servicemappings;
/**
* Bean Constructor.
*/
public MParameter()
{
}
/**
* Create a new parameter.
*/
public MParameter(FieldInfo ftarget)
{
super(ftarget!=null? ftarget.getName(): null);
this.ftarget = ftarget;
// System.out.println("bel: "+(target!=null?target.getName():"")+" "+dynamic);
}
/**
* Set the mgetter.
* @param mgetter The mgetter to set.
*/
public void setGetter(MethodInfo mgetter)
{
this.mgetter = mgetter;
}
/**
* Set the msetter.
* @param msetter The msetter to set.
*/
public void setSetter(MethodInfo msetter)
{
this.msetter = msetter;
}
/**
* Test if this belief refers to a field.
* @return True if is a field belief.
*/
public boolean isFieldParameter()
{
return ftarget!=null;
}
// /**
// * Get the value of the belief.
// */
// public Object getValue(IInternalAccess agent)
// {
// String capaname = getName().indexOf(MElement.CAPABILITY_SEPARATOR)==-1
// ? null : getName().substring(0, getName().lastIndexOf(MElement.CAPABILITY_SEPARATOR));
// return getValue(((BDIAgentFeature)agent.getComponentFeature(IBDIAgentFeature.class)).getCapabilityObject(capaname), agent.getClassLoader());
// }
//
/**
* Get the value of the belief.
* @param object The rparameterelement (such as goal).
* @param cl The classloader.
*/
public Object getValue(Object object, ClassLoader cl)
{
Object ret = null;
if(ftarget!=null)
{
try
{
Field f = ftarget.getField(cl);
SAccess.setAccessible(f, true);
ret = f.get(object);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
try
{
Method m = mgetter.getMethod(cl);
ret = m.invoke(object, new Object[0]);
}
catch(InvocationTargetException e)
{
e.getTargetException().printStackTrace();
}
catch(Exception e)
{
e.printStackTrace();
}
}
return ret;
}
// /**
// * Set the value of the belief.
// */
// public boolean setValue(BDIAgentInterpreter bai, Object value)
// {
// String capaname = getName().indexOf(BDIAgentInterpreter.CAPABILITY_SEPARATOR)==-1
// ? null : getName().substring(0, getName().lastIndexOf(BDIAgentInterpreter.CAPABILITY_SEPARATOR));
// return setValue(bai.getCapabilityObject(capaname), value, bai.getClassLoader());
// }
/**
* Set the value of the parameter.
* @param object The rparameterelement (such as goal).
* @param value The value.
* @param cl The classloader.
*/
public boolean setValue(Object object, Object value, ClassLoader cl)
{
boolean field = false;
if(ftarget!=null)
{
field = true;
try
{
Field f = ftarget.getField(cl);
SAccess.setAccessible(f, true);
f.set(object, value);
}
catch(Exception e)
{
e.printStackTrace();
}
}
else
{
try
{
Method m = msetter.getMethod(cl);
m.invoke(object, new Object[]{value});
}
catch(Exception e)
{
e.printStackTrace();
}
}
return field;
}
/**
* Get the class of the belief.
*/
public Class getType(ClassLoader cl)
{
Class ret = null;
if(ftarget!=null)
{
try
{
Field f = ftarget.getField(cl);
// f.setAccessible(true);
ret = f.getType();
}
catch(Exception e)
{
e.printStackTrace();
}
}
else if(mgetter!=null)
{
try
{
Method m = mgetter.getMethod(cl);
ret = m.getReturnType();
}
catch(Exception e)
{
e.printStackTrace();
}
}
else if(clazz!=null)
{
ret = clazz.getType(cl);
}
else if(value!=null)
{
// todo: imports?
ret = SJavaParser.parseExpression(value, null, cl).getStaticType();
}
else if(values!=null && values.size()>0)
{
// todo: imports?
ret = SJavaParser.parseExpression(values.get(0), null, cl).getStaticType();
}
return ret;
}
/**
* Get the field (for field-backed beliefs).
*/
public FieldInfo getField()
{
return ftarget;
}
/**
* Get the getter method (for method-backed beliefs).
*/
public MethodInfo getGetter()
{
return mgetter;
}
/**
* Get the setter method (for method-backed beliefs).
*/
public MethodInfo getSetter()
{
return msetter;
}
/**
* Get the multi.
* @return The multi.
*/
public boolean isMulti(ClassLoader cl)
{
if(multi==null)
{
Class ftype = null;
if(ftarget!=null)
{
Field f = ftarget.getField(cl);
ftype = f.getType();
}
else if(mgetter!=null)
{
ftype = mgetter.getMethod(cl).getReturnType();
}
if(ftype!=null)
{
if(ftype.isArray() || SReflect.isSupertype(List.class, ftype)
|| SReflect.isSupertype(Set.class, ftype)
|| SReflect.isSupertype(Map.class, ftype))
{
multi = Boolean.TRUE;
}
else
{
multi = Boolean.FALSE;
}
}
}
return multi;
}
/**
* The multi to set.
* @param multi The multi to set
*/
public void setMulti(boolean multi)
{
// System.out.println("setmulti: "+multi+" "+getName());
this.multi = multi? Boolean.TRUE: Boolean.FALSE;
}
/**
* Test if parameter is of array type.
*/
public boolean isArray()
{
boolean ret = false;
if(isFieldParameter() && ftarget.getClassName()!=null)
{
// ret = ftarget.getField(cl).getType().isArray();
ret = ftarget.getTypeName().charAt(0)=='[';
}
else if(mgetter!=null && mgetter.getReturnTypeInfo()!=null)
{
// ret = mgetter.getMethod(cl).getReturnType().isArray();
ret = mgetter.getReturnTypeInfo().getTypeName().charAt(0)=='[';
}
return ret;
}
/**
* Get the direction.
* @return The direction
*/
public Direction getDirection()
{
return direction;
}
/**
* The direction to set.
* @param direction The direction to set
*/
public void setDirection(Direction direction)
{
this.direction = direction;
}
/**
* Get the clazz.
* @return The clazz
*/
public ClassInfo getClazz()
{
return clazz;
}
/**
* The clazz to set.
* @param clazz The clazz to set
*/
public void setClazz(ClassInfo clazz)
{
this.clazz = clazz;
}
/**
* Get the value.
* @return The value
*/
public UnparsedExpression getDefaultValue()
{
// The default value must not null, when a basic type is declared.
// Hence a new default value is created.
if(value==null && values==null && getClazz()!=null && clazz!=null)
{
if(clazz.getTypeName()=="boolean")
value = new UnparsedExpression(null, "false");
else if(clazz.getTypeName()=="byte")
value = new UnparsedExpression(null, "0");
else if(clazz.getTypeName()=="char")
value = new UnparsedExpression(null, "0");
else if(clazz.getTypeName()=="short")
value = new UnparsedExpression(null, "0");
else if(clazz.getTypeName()=="double")
value = new UnparsedExpression(null, "0");
else if(clazz.getTypeName()=="float")
value = new UnparsedExpression(null, "0");
else if(clazz.getTypeName()=="long")
value = new UnparsedExpression(null, "0");
else if(clazz.getTypeName()=="int")
value = new UnparsedExpression(null, "0");
if(value!=null)
{
// Make sure parsed expression is set...
SJavaParser.parseExpression(value, null, null);
}
}
return value;
}
/**
* The value to set.
* @param value The value to set
*/
public void setDefaultValue(UnparsedExpression value)
{
this.value = value;
}
/**
* Get the value.
* @return The value
*/
public List getDefaultValues()
{
return values;
}
/**
* The value to set.
* @param value The value to set
*/
public void setDefaultValues(List values)
{
this.values = values;
}
/**
* The value to set.
* @param value The value to set
*/
public void addDefaultValues(UnparsedExpression fact)
{
if(values==null)
values = new ArrayList();
values.add(fact);
}
/**
* Get the optional flag.
* @return The otpional flag
*/
public boolean isOptional()
{
return optional;
}
/**
* Set the optional flag.
* @param optional The value to set
*/
public void setOptional(boolean optional)
{
this.optional = optional;
}
/**
* Get the bindingOptions.
* @return The bindingOptions
*/
public UnparsedExpression getBindingOptions()
{
return bindingoptions;
}
/**
* The binding options to set.
* @param bindingoptions The bindingOptions to set
*/
public void setBindingOptions(UnparsedExpression bindingoptions)
{
this.bindingoptions = bindingoptions;
}
/**
* Get the evaluationmode.
* @return The evaluationmode
*/
public EvaluationMode getEvaluationMode()
{
return evaluationmode;
}
/**
* The evaluationmode to set.
* @param evaluationmode The evaluationmode to set
*/
public void setEvaluationMode(EvaluationMode evaluationmode)
{
this.evaluationmode = evaluationmode;
}
/**
* Get the updaterate.
* @return The updaterate
*/
public UnparsedExpression getUpdateRate()
{
return updaterate;
}
/**
* The updaterate to set.
* @param updaterate The updaterate to set
*/
public void setUpdateRate(UnparsedExpression updaterate)
{
this.updaterate = updaterate;
}
/**
* Get/Evaluate the updaterate value.
* @param agent The agent.
* @return The update rate.
*/
public long getUpdaterateValue()
{
long ret = -1;
if(updaterate!=null)
ret = ((Number)SJavaParser.parseExpression(updaterate, IInternalBDIAgentFeature.get().getBDIModel().getModelInfo().getAllImports(), IInternalBDIAgentFeature.get().getClassLoader())
.getValue(IExecutionFeature.get().getComponent().getFeature(IModelFeature.class).getFetcher())).longValue();
return ret;
}
// Currently unused -> todo support in XML / Annotations.
// /**
// * Get the rawevents.
// * @return The rawevents.
// */
// public Set getRawEvents()
// {
// return rawevents;
// }
//
// /**
// * Set the rawevents.
// * @param rawevents The rawevents to set.
// */
// public void setRawEvents(Set rawevents)
// {
// this.rawevents = rawevents;
// }
//
// /**
// * Get the events.
// * @return The events.
// */
// public Set getBeliefEvents()
// {
// return beliefevents;
// }
//
// /**
// * Set the events.
// * @param events The events to set.
// */
// public void setBeliefEvents(Set events)
// {
// this.beliefevents = events;
// }
/**
* Get the events.
* @return The events.
*/
public List getEvents()
{
return events;
}
/**
* Init the event, when loaded from xml.
*/
public void initEvents(MParameterElement owner)
{
if(events==null)
events = new ArrayList();
// Currently unused -> todo support in XML / Annotations.
// Collection evs = getBeliefEvents();
// if(evs!=null && !evs.isEmpty())
// {
// for(String ev: evs)
// {
// BDIAgentFeature.addBeliefEvents(agent, allevents, ev);
// }
// }
// Currently unused -> todo support in XML / Annotations.
// Collection rawevents = getRawEvents();
// if(rawevents!=null)
// allevents.addAll(rawevents);
// Hack!!! what about initial values?
if(getDefaultValue()!=null)
{
BDIAgentFeature.addExpressionEvents(getDefaultValue(), events, owner);
}
}
/**
* The events to set.
* @param events The events to set
*/
public void setEvents(List events)
{
this.events = events;
}
/**
* Add an event.
* @param event The event.
*/
public void addEvent(EventType event)
{
if(events==null)
events = new ArrayList();
if(!events.contains(event))
events.add(event);
}
/**
* Get the service mappings.
*/
public List getServiceMappings()
{
return servicemappings;
}
/**
* Set the service mappings.
*/
public void setServiceMappings(List servicemappings)
{
this.servicemappings = servicemappings;
}
/**
* Add a service mapping.
*/
public void addServiceMapping(String mapping)
{
if(servicemappings==null)
{
servicemappings = new ArrayList();
}
servicemappings.add(mapping);
}
}
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