class AttributeReference extends SingletonExpression
staticContext
Constructor | Description |
---|---|
AttributeReference(int fingerprint) |
Constructor
|
Modifier and Type | Method | Description |
---|---|---|
void |
bindParentNode(NodeInfo node) |
Bind the reference to a particular node
|
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 relevant attribute node
|
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 void bindParentNode(NodeInfo node)
public NodeInfo getNode(Context context) throws XPathException
getNode
in class SingletonExpression
context
- the evaluation contextXPathException
public boolean evaluateAsBoolean(Context context) throws XPathException
evaluateAsBoolean
in class SingletonExpression
context
- The context in which the expression is to be evaluatedXPathException
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 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