|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.icl.saxon.expr.Expression
com.icl.saxon.expr.NodeSetExpression
com.icl.saxon.expr.SingletonExpression
com.icl.saxon.expr.ParentNodeExpression
public class ParentNodeExpression
Class ParentNodeExpression represents the XPath expression ".." or "parent::node()"
Field Summary |
---|
Fields inherited from class com.icl.saxon.expr.Expression |
---|
staticContext |
Constructor Summary | |
---|---|
ParentNodeExpression()
|
Method Summary | |
---|---|
void |
display(int level)
Diagnostic print of expression structure |
boolean |
evaluateAsBoolean(Context context)
Evaluate as a boolean. |
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. |
Methods inherited from class com.icl.saxon.expr.SingletonExpression |
---|
enumerate, evaluateAsNodeSet, isContextDocumentNodeSet, selectFirst |
Methods inherited from class com.icl.saxon.expr.NodeSetExpression |
---|
evaluate, getDataType, outputStringValue |
Methods inherited from class com.icl.saxon.expr.Expression |
---|
containsReferences, evaluateAsNumber, getStaticContext, indent, make, setStaticContext, simplify, usesCurrent |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public ParentNodeExpression()
Method Detail |
---|
public NodeInfo getNode(Context context) throws XPathException
getNode
in class SingletonExpression
context
- The context for the evaluation
XPathException
public int getDependencies()
getDependencies
in class Expression
public String evaluateAsString(Context context) throws XPathException
evaluateAsString
in class SingletonExpression
context
- The context in which the expression is to be evaluated
XPathException
public boolean evaluateAsBoolean(Context context) throws XPathException
evaluateAsBoolean
in class SingletonExpression
context
- The context in which the expression is to be evaluated
XPathException
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 evaluation
XPathException
public void display(int level)
display
in class Expression
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |