public Class<?> getReturnedClass() {
if (returnedType != null) {
return returnedType.getClassType();
}
try {
Method accessor = classObjectType.getClassType().getMethod(field);
return iterate ? getItemClass(accessor) : accessor.getReturnType();
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
protected void findConstructor(Declaration[] declarations) throws NoSuchMethodException {
int N = this.abducibleArgs.length;
cachedConstructor = null;
List<Class> availableArgs = N > 0 ? new ArrayList<Class>(N) : Collections.<Class>emptyList();
for (int j = 0; j < N; j++) {
// during the initial build (KieBuilder), the declarations are provided on the fly and use for
// type checking
// when building the KieBase, the internal declarations are set and can be used
Declaration decl =
declarations != null ? declarations[mapArgToParam(j)] : getDeclaration(abducibleArgs[j]);
if (decl != null) {
availableArgs.add(decl.getExtractor().getExtractToClass());
}
}
Class klass = returnType.getClassType();
while (cachedConstructor == null) {
try {
cachedConstructor =
klass.getConstructor(availableArgs.toArray(new Class[availableArgs.size()]));
} catch (NoSuchMethodException nsme) {
if (klass == Object.class) {
throw nsme;
} else {
klass = klass.getSuperclass();
}
}
}
}
private Method getAccessor() {
if (accessor == null) {
try {
accessor = classObjectType.getClassType().getMethod(field);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
return accessor;
}
private Constructor getConstructor() {
if (cachedConstructor == null
|| cachedConstructor.getDeclaringClass() != returnType.getClassType()) {
try {
findConstructor(null);
} catch (NoSuchMethodException e) {
e.printStackTrace();
cachedConstructor = null;
returnType = null;
}
}
return cachedConstructor;
}
@Override
public String toString() {
StringBuilder sb =
new StringBuilder((lazy ? "?" : "") + classObjectType.getClassType().getSimpleName());
if (iterate) {
sb.append("/");
} else {
sb.append(".");
}
sb.append(field);
if (index >= 0) {
sb.append("[").append(index).append("]");
}
if (constraints != null && !constraints.isEmpty()) {
sb.append("{");
sb.append(constraints.get(0));
for (int i = 1; i < constraints.size(); i++) {
sb.append(", ").append(constraints.get(i));
}
sb.append("}");
}
return sb.toString();
}
public void setClassObjectType(ClassObjectType objectType) {
this.objectType = objectType;
setIndex(-1);
setFieldType(((ClassObjectType) objectType).getClassType());
setValueType(objectType.getValueType());
}
