@Override
public void handle(
final AnnotationValues<ListenerSupport> annotation,
final JCAnnotation source,
final JavacNode annotationNode) {
deleteAnnotationIfNeccessary(annotationNode, ListenerSupport.class);
JavacType type = JavacType.typeOf(annotationNode, source);
if (type.isAnnotation() || type.isInterface()) {
annotationNode.addError(canBeUsedOnClassAndEnumOnly(ListenerSupport.class));
return;
}
List<Object> listenerInterfaces = annotation.getActualExpressions("value");
if (listenerInterfaces.isEmpty()) {
annotationNode.addError(
String.format(
"@%s has no effect since no interface types were specified.",
ListenerSupport.class.getName()));
return;
}
List<TypeSymbol> resolvedInterfaces =
resolveInterfaces(annotationNode, ListenerSupport.class, listenerInterfaces);
for (TypeSymbol interfaze : resolvedInterfaces) {
handler.addListenerField(type, interfaze);
handler.addAddListenerMethod(type, interfaze);
handler.addRemoveListenerMethod(type, interfaze);
addFireListenerMethods(type, interfaze);
}
type.editor().rebuild();
}
private List<TypeSymbol> resolveInterfaces(
final JavacNode annotationNode,
final Class<? extends java.lang.annotation.Annotation> annotationType,
final List<Object> listenerInterfaces) {
List<TypeSymbol> resolvedInterfaces = new ArrayList<TypeSymbol>();
for (Object listenerInterface : listenerInterfaces) {
if (listenerInterface instanceof JCFieldAccess) {
JCFieldAccess interfaze = (JCFieldAccess) listenerInterface;
if ("class".equals(As.string(interfaze.name))) {
Type interfaceType = CLASS.resolveMember(annotationNode, interfaze.selected);
if (interfaceType == null) continue;
if (interfaceType.isInterface()) {
TypeSymbol interfaceSymbol = interfaceType.asElement();
if (interfaceSymbol != null) resolvedInterfaces.add(interfaceSymbol);
} else {
annotationNode.addWarning(
String.format(
"@%s works only with interfaces. %s was skipped",
annotationType.getName(), listenerInterface));
}
}
}
}
return resolvedInterfaces;
}
public void addSelectAlias(String alias, String spacedAlias) {
selectAliases.add(alias);
if (!StringUtils.isBlank(spacedAlias)) {
selectFinalAliases.add("`" + spacedAlias + "`");
} else {
selectFinalAliases.add(alias);
}
}
private void getQLString(
QBJoinTree joinTree,
StringBuilder builder,
CandidateFact fact,
Map<Dimension, CandidateDim> dimsToQuery)
throws LensException {
List<String> joiningTables = new ArrayList<>();
if (joinTree.getBaseSrc()[0] == null) {
if (joinTree.getJoinSrc() != null) {
getQLString(joinTree.getJoinSrc(), builder, fact, dimsToQuery);
}
} else { // (joinTree.getBaseSrc()[0] != null){
String alias = joinTree.getBaseSrc()[0].toLowerCase();
builder.append(getStorageStringWithAlias(fact, dimsToQuery, alias));
joiningTables.add(alias);
}
if (joinTree.getJoinCond() != null) {
builder.append(JoinUtils.getJoinTypeStr(joinTree.getJoinCond()[0].getJoinType()));
builder.append(" JOIN ");
}
if (joinTree.getBaseSrc()[1] == null) {
if (joinTree.getJoinSrc() != null) {
getQLString(joinTree.getJoinSrc(), builder, fact, dimsToQuery);
}
} else { // (joinTree.getBaseSrc()[1] != null){
String alias = joinTree.getBaseSrc()[1].toLowerCase();
builder.append(getStorageStringWithAlias(fact, dimsToQuery, alias));
joiningTables.add(alias);
}
String joinCond = joinConds.get(joinTree);
if (joinCond != null) {
builder.append(" ON ");
builder.append(joinCond);
// joining tables will contain all tables involved in joins.
// we need to push storage filters for Dimensions into join conditions, thus the following
// code
// takes care of the same.
for (String joiningTable : joiningTables) {
if (cubeTbls.get(joiningTable) instanceof Dimension) {
DimOnlyHQLContext.appendWhereClause(
builder, getWhereClauseWithAlias(dimsToQuery, joiningTable), true);
dimsToQuery.get(cubeTbls.get(joiningTable)).setWhereClauseAdded(joiningTable);
}
}
} else {
throw new LensException(LensCubeErrorCode.NO_JOIN_CONDITION_AVAILABLE.getLensErrorInfo());
}
}
@Override
public void setTypeVariables(List<TypeVariable> typeVariables) {
declaration.setTypeParameters(
typeVariables
.stream()
.map(getContext()::unresolveTypeVariable)
.collect(Collectors.toList()));
}
@Override
protected void createParamsAndArgs(
final Object method, final List<Argument> params, final List<Expression<?>> args) {
MethodType mtype = (MethodType) type(method);
if (mtype.argtypes.isEmpty()) return;
int argCounter = 0;
for (Type parameter : mtype.getParameterTypes()) {
String arg = "arg" + argCounter++;
params.add(Arg(Type(parameter), arg));
args.add(Name(arg));
}
}
public Call withTypeArgument(final TypeRef typeArg) {
typeArgs.add(child(typeArg));
return this;
}
private List<Annotation> getAnnotationsInternal(List<AnnotationExpr> l) {
return l.stream()
.map(AnnotationParser::annotationFromAnnotationExpr)
.collect(Collectors.toList());
}
public String getSelectFinalAlias(int index) {
return selectFinalAliases.get(index);
}
