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java.lang.Objectcom.saxonica.schema.SchemaStructure
com.saxonica.schema.IdentityField
public class IdentityField
The field selector for an IdentityConstraint
| Constructor Summary | |
|---|---|
IdentityField(String xpath)
Creates a new IdentityField. |
|
| Method Summary | |
|---|---|
int |
getCardinality(ExpressionVisitor visitor,
ExpressionVisitor.ContextItemType contextItemType)
Get the static cardinality of the expression, that is the number of nodes the field xpath will select for each node selected by the selector xpath. |
NamespaceResolver |
getNamespaceContext()
Get the namespace context for evaluating the XPath expression |
Pattern |
getSelection()
Get the compiled XPath expression |
String |
getXPath()
Returns the XPath of this IdentityField. |
String |
getXPathDefaultNamespace()
Get the XPath default namespace |
void |
setEquivalentExpression(Expression exp)
Sets the compiled XPath expression for this Field. |
void |
setNamespaceContext(NamespaceResolver resolver)
Set the namespace context. |
void |
setSelection(Pattern selection)
Set the compiled XPath expression |
void |
setXPath(String xpath)
Sets the XPath expression for this Field. |
void |
setXPathDefaultNamespace(String uri)
Set the XPath default namespace |
| Methods inherited from class com.saxonica.schema.SchemaStructure |
|---|
elaborate, fixup, getColumnNumber, getConfiguration, getFixupStatus, getLineNumber, getPublicId, getRedefinitionLevel, getSchemaDocumentURI, getSystemId, getValidationStatus, lookForCycles, setConfiguration, setFixupStatus, setLineNumber, setLocator, setRedefinitionLevel, setSchemaDocumentURI, setSystemId, setValidationStatus |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public IdentityField(String xpath)
xpath - the xpath for the IdentityField. Must not be null.| Method Detail |
|---|
public String getXPath()
public Pattern getSelection()
public void setXPath(String xpath)
xpath - the XPath expression for this IdentityField. Must not
be null.public void setEquivalentExpression(Expression exp)
exp - the compiled XPath expression for this IdentityField. Must not
be null.public void setSelection(Pattern selection)
selection - the compiled selection expression, expressed as a Pattern (because it uses a sufficiently
small subset of XPath)public void setNamespaceContext(NamespaceResolver resolver)
resolver - the namespace resolved to be used for resolving prefixes within the XPath expression to URIspublic NamespaceResolver getNamespaceContext()
public void setXPathDefaultNamespace(String uri)
uri - the XPath default namespacepublic String getXPathDefaultNamespace()
public int getCardinality(ExpressionVisitor visitor,
ExpressionVisitor.ContextItemType contextItemType)
throws XPathException
visitor - the expression visitorcontextItemType - the type of the context item, and information about whether a context item will
always be provided or not
XPathException - if an error is found during the evaluation
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