public LambdaType getLambdaType(
String typeName, Type contextType, List<? extends Type> parameterTypes, Type resultType) {
if (contextType == null) {
return null;
}
Map<Type, List<LambdaType>> contextMap = lambdaTypes.get(contextType);
if (contextMap == null) {
contextMap = new HashMap<Type, List<LambdaType>>();
lambdaTypes.put(contextType, contextMap);
}
int iMax = parameterTypes.size();
Type firstParameterType = iMax > 0 ? parameterTypes.get(0) : null;
List<LambdaType> lambdasList = contextMap.get(firstParameterType);
if (lambdasList == null) {
lambdasList = new ArrayList<LambdaType>();
contextMap.put(firstParameterType, lambdasList);
}
for (LambdaType candidateLambda : lambdasList) {
List<? extends Type> candidateTypes = candidateLambda.getParameterType();
if (iMax == candidateTypes.size()) {
boolean gotIt = true;
for (int i = 1; i < iMax; i++) {
Type requiredType = parameterTypes.get(i);
Type candidateType = candidateTypes.get(i);
if (requiredType != candidateType) {
gotIt = false;
break;
}
}
if (gotIt) {
return candidateLambda;
}
}
}
LambdaType lambdaType = PivotFactory.eINSTANCE.createLambdaType();
lambdaType.setName(typeName);
lambdaType.setContextType(contextType);
lambdaType.getParameterType().addAll(parameterTypes);
lambdaType.setResultType(resultType);
lambdaType.getSuperClass().add(metaModelManager.getOclLambdaType());
metaModelManager.addOrphanClass(lambdaType);
return lambdaType;
}
public static Map<TemplateParameter, ParameterableElement> getAllTemplateParameterSubstitutions(
Map<TemplateParameter, ParameterableElement> bindings,
Type argumentType,
LambdaType lambdaType) {
Type resultType = lambdaType.getResultType();
if (resultType != null) {
TemplateParameter resultTemplateParameter = resultType.getOwningTemplateParameter();
if (resultTemplateParameter != null) {
if (bindings == null) {
bindings = new HashMap<TemplateParameter, ParameterableElement>();
}
bindings.put(resultTemplateParameter, argumentType);
}
}
// FIXME There is much more to do
// FIXME Conflict checking
return bindings;
}