public class SingletonComparison extends Expression
staticContext| Constructor and Description |
|---|
SingletonComparison(SingletonExpression p1,
int op,
Value p2) |
| Modifier and Type | Method and Description |
|---|---|
void |
display(int level)
Diagnostic print of expression structure
|
Value |
evaluate(Context c)
Evaluate the expression in a given context
|
boolean |
evaluateAsBoolean(Context c)
Evaluate the expression in a given context
|
int |
getDataType()
Determine the data type of the expression, if possible
|
int |
getDependencies()
Determine which aspects of the context the expression depends on.
|
Expression |
reduce(int dependencies,
Context context)
Perform a partial evaluation of the expression, by eliminating specified dependencies
on the context.
|
Expression |
simplify()
Simplify an expression
|
containsReferences, enumerate, evaluateAsNodeSet, evaluateAsNumber, evaluateAsString, getStaticContext, indent, isContextDocumentNodeSet, make, outputStringValue, setStaticContext, usesCurrentpublic SingletonComparison(SingletonExpression p1, int op, Value p2)
public Expression simplify() throws XPathException
simplify in class ExpressionXPathExceptionpublic Value evaluate(Context c) throws XPathException
evaluate in class Expressionc - the given context for evaluationXPathExceptionpublic boolean evaluateAsBoolean(Context c) throws XPathException
evaluateAsBoolean in class Expressionc - the given context for evaluationXPathExceptionpublic int getDataType()
getDataType in class Expressionpublic int getDependencies()
getDependencies in class Expressionpublic Expression reduce(int dependencies, Context context) throws XPathException
reduce in class Expressiondependencies - The dependencies to be removedcontext - The context to be used for the partial evaluationXPathExceptionpublic void display(int level)
display in class Expression