public class KeySelectorWatch extends SelectorWatch
Constructor and Description |
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KeySelectorWatch(ConstraintChecker checker,
IdentityConstraint uniqueConstraint) |
Modifier and Type | Method and Description |
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void |
addKeyRef(RefSelectorWatch watch)
Add a RefSelectorWatch to support a keyRef that refers to this key
or unique constraints
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protected void |
checkRow(AtomicSequence[] currentRow,
boolean isTarget,
Location locationId)
Method to check that a row (that is, the collection of fields corresponding
to one selected node) is valid.
|
addFieldValue, close, endSelectedParentNode, getIdentityConstraint, reportValidationError, startSelectedParentNode
getAnchorNode, getSelection, matchesNode, matchesNodesOfKind, open, processItem, setAnchorNode, setSelection
getNamespaceResolver, getPipelineConfiguration, getReceiver, setNamespaceResolver, setPipelineConfiguration
public KeySelectorWatch(ConstraintChecker checker, IdentityConstraint uniqueConstraint)
public void addKeyRef(RefSelectorWatch watch)
watch
- the RefSelectorWatch which needs to be notified of all
values encountered for this keyprotected void checkRow(AtomicSequence[] currentRow, boolean isTarget, Location locationId) throws XPathException
checkRow
in class SelectorWatch
currentRow
- the values of the set of fieldsisTarget
- set to true if this is a value of the key referred to
by a key reference, rather than a value for this constraint's own selected
fields.locationId
- identifies the location of the selected nodeValidationException
- May be raised if the value of the row (that is,
the combination of fields) violates the constraintXPathException
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