public class ForClausePull extends TuplePull
Modifier and Type | Field and Description |
---|---|
protected TuplePull |
base |
protected FocusIterator |
currentIteration |
protected ForClause |
forClause |
Constructor and Description |
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ForClausePull(TuplePull base,
ForClause forClause) |
Modifier and Type | Method and Description |
---|---|
void |
close()
Close the tuple stream, indicating that although not all tuples have been read,
no further tuples are required and resources can be released
|
protected SequenceIterator |
getIterator(XPathContext context)
Get an iterator over the items or members in the target collection.
|
boolean |
nextTuple(XPathContext context)
Move on to the next tuple.
|
protected GroundedValue |
variableValue(Item item)
Get the value to be bound to the iteration variable
|
protected TuplePull base
protected ForClause forClause
protected FocusIterator currentIteration
public boolean nextTuple(XPathContext context) throws XPathException
nextTuple
in class TuplePull
context
- the dynamic evaluation contextXPathException
- if any error occursprotected SequenceIterator getIterator(XPathContext context) throws XPathException
context
- dynamic evaluation contextXPathException
- if evaluation failsprotected GroundedValue variableValue(Item item)
item
- the value returned by the sequence iteratorCopyright (c) 2004-2022 Saxonica Limited. All rights reserved.