org.teiid.query.function.source

Class XMLHelper

java.lang.Object

org.teiid.query.function.source.XMLHelper

Direct Known Subclasses:

XMLHelperImpl

public class XMLHelper
extends Object

Constructor Summary

Constructors

Constructor and Description
XMLHelper()

Method Summary

Modifier and Type	Method and Description
XQueryExpression	compile(String xquery, XMLNamespaces namespaces, List<DerivedColumn> passing, List<XMLTable.XMLColumn> columns)
String	convertToAtomicValue(Object value)
String	escapeName(String name, boolean fully)
Object	evaluate(XMLType val, XMLCast expression, CommandContext context)
Object	evaluateXMLQuery(List<?> tuple, XMLQuery xmlQuery, boolean exists, Map<String,Object> parameters, CommandContext context)
static XMLHelper	getInstance()
boolean	isRealImplementation()
boolean	isValidNCName(String prefix)
RelationalNode	newXMLTableNode(int id, XMLTable xt, ArrayList<XMLTable.XMLColumn> filteredColumns)
String[]	validateQName(String name)
void	validateXpath(String xpath)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

XMLHelper

public XMLHelper()

Method Detail

getInstance

public static XMLHelper getInstance()

validateXpath

public void validateXpath(String xpath)
                   throws TeiidProcessingException

Parameters:

xpath -

Throws:

TeiidProcessingException

validateQName

public String[] validateQName(String name)
                       throws TeiidProcessingException

Parameters:

name -

Returns:

Throws:

TeiidProcessingException

isValidNCName

public boolean isValidNCName(String prefix)
                      throws TeiidProcessingException

Parameters:

prefix -

Returns:

Throws:

TeiidProcessingException

convertToAtomicValue

public String convertToAtomicValue(Object value)
                            throws TransformerException

Parameters:

value -

Returns:

Throws:

TransformerException

escapeName

public String escapeName(String name,
                         boolean fully)

Parameters:

name -

fully -

Returns:

compile

public XQueryExpression compile(String xquery,
                                XMLNamespaces namespaces,
                                List<DerivedColumn> passing,
                                List<XMLTable.XMLColumn> columns)
                         throws QueryResolverException

Parameters:

xquery -

namespaces -

passing -

columns -

Returns:

Throws:

QueryResolverException

evaluateXMLQuery

public Object evaluateXMLQuery(List<?> tuple,
                               XMLQuery xmlQuery,
                               boolean exists,
                               Map<String,Object> parameters,
                               CommandContext context)
                        throws FunctionExecutionException,
                               BlockedException,
                               TeiidComponentException

Parameters:

tuple -

xmlQuery -

exists -

parameters -

context -

Returns:

Throws:

FunctionExecutionException

TeiidComponentException

BlockedException

evaluate

public Object evaluate(XMLType val,
                       XMLCast expression,
                       CommandContext context)
                throws ExpressionEvaluationException

Parameters:

val -

expression -

context -

Returns:

Throws:

ExpressionEvaluationException

newXMLTableNode

public RelationalNode newXMLTableNode(int id,
                                      XMLTable xt,
                                      ArrayList<XMLTable.XMLColumn> filteredColumns)
                               throws TeiidComponentException

Parameters:

id -

xt -

filteredColumns -

Returns:

Throws:

TeiidComponentException

isRealImplementation

public boolean isRealImplementation()