public class ParentNodeExpression extends SingletonExpression
staticContext
Constructor | Description |
---|---|
ParentNodeExpression() |
Modifier and Type | Method | Description |
---|---|---|
void |
display(int level) |
Diagnostic print of expression structure
|
boolean |
evaluateAsBoolean(Context context) |
Evaluate as a boolean.
|
java.lang.String |
evaluateAsString(Context context) |
Evaluate as a string.
|
int |
getDependencies() |
Determine which aspects of the context the expression depends on.
|
NodeInfo |
getNode(Context context) |
Return the node selected by this SingletonExpression
|
Expression |
reduce(int dependencies,
Context context) |
Perform a partial evaluation of the expression, by eliminating specified dependencies
on the context.
|
containsReferences, evaluateAsNumber, getStaticContext, indent, make, setStaticContext, simplify, usesCurrent
evaluate, getDataType, outputStringValue
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
enumerate, evaluateAsNodeSet, isContextDocumentNodeSet, selectFirst
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 java.lang.String evaluateAsString(Context context) throws XPathException
evaluateAsString
in class SingletonExpression
context
- The context in which the expression is to be evaluatedXPathException
public boolean evaluateAsBoolean(Context context) throws XPathException
evaluateAsBoolean
in class SingletonExpression
context
- The context in which the expression is to be evaluatedXPathException
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