public final class ContextNodeExpression extends SingletonExpression
staticContext
Constructor and Description |
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ContextNodeExpression() |
Modifier and Type | Method and Description |
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void |
display(int level)
Diagnostic print of expression structure
|
int |
getDependencies()
Determine which aspects of the context the expression depends on.
|
NodeInfo |
getNode(Context context)
Return the node selected by this expression.
|
Expression |
reduce(int dependencies,
Context context)
Perform a partial evaluation of the expression, by eliminating specified dependencies
on the context.
|
enumerate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsString, isContextDocumentNodeSet, selectFirst
evaluate, getDataType, outputStringValue
containsReferences, evaluateAsNumber, getStaticContext, indent, make, setStaticContext, simplify, usesCurrent
public NodeInfo getNode(Context context) throws XPathException
getNode
in class SingletonExpression
context
- The context for the evaluationXPathException
public int getDependencies()
getDependencies
in class Expression
public Expression reduce(int dependencies, Context context) throws XPathException
reduce
in class Expression
dependencies
- The dependencies to be removedcontext
- The context to be used for the partial evaluationXPathException
public void display(int level)
display
in class Expression