class AttributeReference extends SingletonExpression
staticContext
Constructor and Description |
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AttributeReference(int fingerprint)
Constructor
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Modifier and Type | Method and Description |
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void |
bindParentNode(NodeInfo node)
Bind the reference to a particular node
|
void |
display(int level)
Diagnostic print of expression structure
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boolean |
evaluateAsBoolean(Context context)
Evaluate as a boolean.
|
java.lang.String |
evaluateAsString(Context context)
Evaluate as a string.
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int |
getDependencies()
Determine which aspects of the context the expression depends on.
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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.
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enumerate, evaluateAsNodeSet, isContextDocumentNodeSet, selectFirst
evaluate, getDataType, outputStringValue
containsReferences, evaluateAsNumber, getStaticContext, indent, make, setStaticContext, simplify, usesCurrent
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