public class FieldWatch extends PatternWatch
Constructor and Description |
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FieldWatch(SelectorWatch parentWatch,
Pattern selection,
AtomicSequence[] currentRow,
int column)
Create a new FieldWatch
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Modifier and Type | Method and Description |
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void |
endSelectedParentNode(Location locationId)
Signal that the endElement event has occurred for the element whose startElement
event caused the Watch to be activated.
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void |
processItem(Item item)
Signal that a node (other than an element) that matches the selection
has been found.
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Receiver |
startSelectedParentNode(FleetingParentNode node,
Location locationId)
Signal that an element has been found that matches the selection that this
Watch is looking for.
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close, getAnchorNode, getSelection, matchesNode, matchesNodesOfKind, open, setAnchorNode, setSelection
getNamespaceResolver, getPipelineConfiguration, getReceiver, setNamespaceResolver, setPipelineConfiguration
public FieldWatch(SelectorWatch parentWatch, Pattern selection, AtomicSequence[] currentRow, int column)
parentWatch
- The SelectorWatch to which field values should be
notifiedselection
- The selection (that is, the restricted XPath expression)
used in this field of the constraintcurrentRow
- represents the selected node whose fields are being
evaluatedcolumn
- sequence number for this field within the constraint being
evaluatedpublic Receiver startSelectedParentNode(FleetingParentNode node, Location locationId) throws XPathException
node
- the element or document node whose start event has been matchedlocationId
- the location associated with the element or document node (may be
the location of the instruction that created it)ValidationException
- May be raised if the constraint implemented by this
Watch is violated @param locationIdXPathException
- May be raised if a dynamic error occurspublic void endSelectedParentNode(Location locationId) throws ValidationException
locationId
- ValidationException
- May be raised if the constraint implemented by this
Watch is violated @param locationIdpublic void processItem(Item item) throws XPathException
processItem
in interface Watch
processItem
in class PatternWatch
item
- the node that was matched.XPathException
- May be raised if a dynamic error occursCopyright (c) 2004-2018 Saxonica Limited. All rights reserved.