private void dispatchObject(Oop oop, ObjectVisitor visitor, boolean filterExists) {
JSJavaObject jsObj = factory.newJSJavaObject(oop);
Object[] args = new Object[] {jsObj};
boolean b = true;
try {
if (filterExists) {
Object res = call("filter", args);
if (res instanceof Boolean) {
b = ((Boolean) res).booleanValue();
} else if (res instanceof Number) {
b = ((Number) res).intValue() != 0;
} else {
b = (res != null);
}
}
if (b) {
Object select = call("result", args);
visitor.visit(select);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void executeQuery(SOQLQuery q, ObjectVisitor visitor) throws SOQLException {
InstanceKlass kls = null;
if (q.className != null) {
kls = SystemDictionaryHelper.findInstanceKlass(q.className);
if (kls == null) {
throw new SOQLException(q.className + " is not found!");
}
}
StringBuffer buf = new StringBuffer();
buf.append("function result(");
if (q.identifier != null) {
buf.append(q.identifier);
}
buf.append(") { return ");
buf.append(q.selectExpr.replace('\n', ' '));
buf.append("; }");
String selectCode = buf.toString();
debugPrint(selectCode);
String whereCode = null;
if (q.whereExpr != null) {
buf = new StringBuffer();
buf.append("function filter(");
buf.append(q.identifier);
buf.append(") { return ");
buf.append(q.whereExpr.replace('\n', ' '));
buf.append("; }");
whereCode = buf.toString();
debugPrint(whereCode);
} else {
whereCode = "filter = null;";
}
beginQuery();
// compile select expression and where condition
evalString(selectCode, "", 1);
evalString(whereCode, "", 1);
// iterate thru heap, if needed
if (q.className != null) {
try {
iterateOops(kls, visitor, q.isInstanceOf);
} finally {
endQuery();
}
} else {
// simple "select <expr>" query
try {
Object select = call("result", new Object[] {});
visitor.visit(select);
} catch (Exception e) {
e.printStackTrace();
}
}
}
