long computeFieldSize(BaseType bt, boolean isAscii) throws Exception {
long fieldsize = 0;
// Figure out what this field is (e.g. primitive or not)
// Somewhat convoluted.
if (bt instanceof DConstructor) {
// simple struct, seq, or grid => recurse
fieldsize = computeSize((DConstructor) bt, isAscii);
} else if (bt instanceof DArray) {
SDArray da = (SDArray) bt;
// Separate structure arrays from primitive arrays
if (da.getContainerVar() instanceof DPrimitive) {
fieldsize = computeArraySize(da);
} else if (da.getContainerVar() instanceof DStructure) {
fieldsize = computeSize((DStructure) da.getContainerVar(), isAscii); // recurse
} else { // Some kind of problem
throw new NoSuchTypeException("Computesize: unexpected type for " + bt.getLongName());
}
} else if (bt instanceof DPrimitive) {
DPrimitive dp = (DPrimitive) bt;
if (dp instanceof DString) {
String v = ((DString) dp).getValue();
fieldsize = (v == null ? 0 : v.length());
} else {
DataType dtype = DODSNetcdfFile.convertToNCType(bt);
fieldsize = dtype.getSize();
}
} else { // Some kind of problem
throw new NoSuchTypeException("Computesize: unknown type for " + bt.getLongName());
}
return fieldsize;
}
// Recursively compute size of the dds to be returned
private long computeSize(DConstructor ctor, boolean isAscii) throws Exception {
long projectsize = 0; // accumulate size of projected variables
long othersize = 0; // accumulate size of non-projected variables
long fieldsize = 0;
int projectedcount = 0;
int fieldcount = 0;
Enumeration vars = ctor.getVariables();
while (vars.hasMoreElements()) {
fieldcount++;
BaseType field = (BaseType) vars.nextElement();
fieldsize = computeFieldSize(field, isAscii);
// accumulate the field sizes
if (field.isProject()) {
projectsize += fieldsize;
projectedcount++;
} else {
othersize += fieldsize;
}
}
// Cases to consider:
// 1. If all of the fields of this ctor are projected,
// then return projectsize
// 2. If none of the fields of this ctor are projected,
// then return othersize
// 3. otherwise, at least one field, but not all, is projected,
// => return projectsize;
if (projectedcount == fieldcount) return projectsize;
else if (projectedcount == 0) return othersize;
else {
assert (projectedcount > 0 && projectedcount < fieldcount);
return projectsize;
}
}
boolean containsChild(BaseType node, List<BaseType> list) {
String nodename = node.getLongName();
for (BaseType child : list) {
String childname = child.getLongName();
if (childname.startsWith(nodename)) return true;
}
return false;
}
BaseType containsParent(BaseType node, List<BaseType> list) {
String nodename = node.getLongName();
for (BaseType parent : list) {
String parentname = parent.getLongName();
if (nodename.startsWith(parentname)) return parent;
}
return null;
}
void gendimrange(List<BaseType> path, StringBuilder buf) {
for (int i = 0; i < path.size(); i++) {
BaseType bt = path.get(i);
int rank = 0;
if (bt.getParent() instanceof DArray) rank = ((DArray) (bt.getParent())).numDimensions();
if (i > 0) buf.append('.');
buf.append(bt.getEncodedName());
for (int j = 0; j < rank; j++) {
String dimprojection = dimrangeset[random.nextInt(dimrangeset.length)];
buf.append(dimprojection);
}
}
}
public boolean isMatch(Type type) {
if (type instanceof GenericArrayType) {
GenericArrayType aType = (GenericArrayType) type;
return _componentType.equals(aType.getGenericComponentType());
} else return false;
}
public boolean equals(Object o) {
if (o == this) return true;
else if (o instanceof GenericArrayType) {
GenericArrayType type = (GenericArrayType) o;
return _componentType.equals(type.getGenericComponentType());
} else return false;
}
@Override
public String getSimpleName() {
return _componentType.getSimpleName() + "[]";
}
public int hashCode() {
return 17 + 37 * _componentType.hashCode();
}
public Type getGenericComponentType() {
return _componentType.toType();
}