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java.lang.Objectorg.eclipse.persistence.sdo.helper.extension.XPathHelper
public class XPathHelper
This singleton provides support for querying DataObjects via xpath expression where the result is a List containing one or more simple types or DataObjects.
Nested Class Summary | |
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class |
XPathHelper.QueryPart
A QueryPart knows the name of the property to be queried against on a given DataObject, as well as the value to be used in the comparison. |
Constructor Summary | |
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XPathHelper()
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Method Summary | |
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List |
evaluate(String expression,
commonj.sdo.DataObject dataObject)
Evaluate an XPath expression in the specified context and return a List containing any types or DataObjects that match the search criteria. |
static XPathHelper |
getInstance()
Returns the one and only instance of this singleton. |
XPathExpression |
prepareExpression(String expression)
Create and return an XPathExpression, using the provided string to create the expression. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public XPathHelper()
Method Detail |
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public static XPathHelper getInstance()
public XPathExpression prepareExpression(String expression)
expression
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public List evaluate(String expression, commonj.sdo.DataObject dataObject)
expression
- dataObject
-
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