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java.lang.Object | +--net.sf.saxon.sort.SortedIterator
Class to do a sorted iteration
| Field Summary | |
protected SequenceIterator |
base
|
protected XPathContext |
context
|
protected int |
count
|
protected int |
index
|
protected java.lang.Object[] |
nodeKeys
|
protected int |
recordSize
|
protected FixedSortKeyDefinition[] |
sortkeys
|
| Constructor Summary | |
SortedIterator(XPathContext context,
SequenceIterator base,
FixedSortKeyDefinition[] sortkeys)
|
|
| Method Summary | |
protected void |
buildArray()
|
int |
compare(int a,
int b)
Compare two items in sorted sequence (needed to implement the Sortable interface) |
Item |
current()
Get the current value in the sequence (the one returned by the most recent call on next()). |
SequenceIterator |
getAnother()
Get another SequenceIterator that iterates over the same items as the original, but which is repositioned at the start of the sequence. |
int |
getLastPosition()
Get the last position (that is, the number of items in the sequence) |
Item |
next()
Get the next item, in sorted order |
int |
position()
Get the current position. |
void |
swap(int a,
int b)
Swap two items (needed to implement the Sortable interface) |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
protected SequenceIterator base
protected FixedSortKeyDefinition[] sortkeys
protected int recordSize
protected java.lang.Object[] nodeKeys
protected int count
protected int index
protected XPathContext context
| Constructor Detail |
public SortedIterator(XPathContext context,
SequenceIterator base,
FixedSortKeyDefinition[] sortkeys)
throws XPathException
| Method Detail |
public Item next()
throws XPathException
next in interface SequenceIteratorXPathException - if an error occurs retrieving the next itempublic Item current()
SequenceIterator
current in interface SequenceIteratorpublic int position()
SequenceIterator
position in interface SequenceIterator
public int getLastPosition()
throws XPathException
LastPositionFinder
getLastPosition in interface LastPositionFinderXPathException
public SequenceIterator getAnother()
throws XPathException
SequenceIterator
getAnother in interface SequenceIteratorXPathException - if any error occurs
protected void buildArray()
throws XPathException
XPathException
public int compare(int a,
int b)
compare in interface Sortable
public void swap(int a,
int b)
swap in interface Sortable
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