/**
* Prints the SelectResults contents up to the specified rowCount.
*
* @param sr
* @param startRowNum
* @param rowCount
* @return The number of rows printed
*/
public static int printSelectResults(
SelectResults sr, int startIndex, int startRowNum, int rowCount) {
if (sr == null) {
PadoShell.printlnError("SelectResults is null");
return 0;
}
int endIndex = startIndex + rowCount; // exclusive
if (endIndex >= sr.size()) {
endIndex = sr.size();
}
if (startIndex >= endIndex) {
return 0;
}
CollectionType type = sr.getCollectionType();
ObjectType elementType = type.getElementType();
int row = 1;
if (rowCount == -1) {
rowCount = sr.size();
}
HashSet elementNameSet = new HashSet();
Object element = null;
boolean isStructType = false;
StructType structType = null;
Struct struct = null;
List srList = sr.asList();
row = startRowNum;
for (int i = startIndex; i < endIndex; i++) {
element = srList.get(i);
if (elementType.isStructType()) {
struct = (Struct) element;
printStruct(row, struct, 0);
PadoShell.println("");
} else {
PadoShell.println(row + ". " + getPrintableType(element));
printObject(null, element, 1);
PadoShell.println("");
}
row++;
}
PadoShell.println("");
for (Object elementClassName : elementNameSet) {
PadoShell.println("Class: " + elementClassName);
}
return endIndex - startIndex;
}
private static int printSelectResults_iterator(SelectResults sr, int startRowNum, int rowCount) {
if (sr == null) {
PadoShell.printlnError("SelectResults is null");
return 0;
}
CollectionType type = sr.getCollectionType();
ObjectType elementType = type.getElementType();
int row = 1;
if (rowCount == -1) {
rowCount = sr.size();
}
HashSet elementNameSet = new HashSet();
ArrayList maxLenList = new ArrayList();
Object element = null;
boolean isStructType = false;
StructType structType = null;
Struct struct = null;
for (Iterator iter = sr.iterator(); iter.hasNext() && row <= rowCount; ) {
element = iter.next();
if (elementType.isStructType()) {
structType = (StructType) elementType;
struct = (Struct) element;
computeMaxLengths(maxLenList, structType, struct);
isStructType = true;
} else {
computeMaxLengths(maxLenList, element, false);
elementNameSet.add(element.getClass().getName());
}
row++;
}
if (element == null && struct == null) {
return 0;
}
int rowMax = String.valueOf(startRowNum + rowCount - 1).length();
if (rowMax < 3) {
rowMax = 3;
}
if (isStructType) {
printHeaders(maxLenList, structType, struct, rowMax);
} else {
printHeaders(maxLenList, element, rowMax);
}
row = startRowNum;
int lastRow = startRowNum + rowCount - 1;
for (Iterator iter = sr.iterator(); iter.hasNext() && row <= lastRow; ) {
element = iter.next();
if (elementType.isStructType()) {
StringBuffer printStr = new StringBuffer();
structType = (StructType) elementType;
struct = (Struct) element;
printStr.append(StringUtil.getRightPaddedString(row + "", rowMax, ' '));
printStr.append(" ");
PadoShell.println(printStr.toString());
} else {
StringBuffer printStr = new StringBuffer();
printStr.append(StringUtil.getRightPaddedString(row + "", rowMax, ' '));
printStr.append(" ");
String printObjStr = printObject(maxLenList, element, false);
printStr.append(printObjStr);
PadoShell.println(printStr.toString());
}
row++;
}
PadoShell.println("");
for (Object elementClassName : elementNameSet) {
PadoShell.println("Class: " + elementClassName);
}
return row - 1;
}
