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java.lang.Object net.sf.saxon.expr.Expression net.sf.saxon.expr.SingleNodeExpression net.sf.saxon.expr.ParentNodeExpression
public class ParentNodeExpression
Class ParentNodeExpression represents the XPath expression ".." or "parent::node()"
Field Summary |
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Fields inherited from class net.sf.saxon.expr.Expression |
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EFFECTIVE_BOOLEAN_VALUE, EVALUATE_METHOD, EVENT_FEED_METHOD, ITEM_FEED_METHOD, ITERATE_METHOD, locationId, MAX_SEQUENCE_LENGTH, MAX_STRING_LENGTH, PROCESS_METHOD, PUSH_SELECTION, staticProperties, UNBOUNDED_LOWER, UNBOUNDED_UPPER, WATCH_METHOD |
Constructor Summary | |
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ParentNodeExpression()
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Method Summary | |
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PathMap.PathMapNodeSet |
addToPathMap(PathMap pathMap,
PathMap.PathMapNodeSet pathMapNodeSet)
Add a representation of this expression to a PathMap. |
Expression |
copy()
Copy an expression. |
boolean |
equals(Object other)
Is this expression the same as another expression? |
void |
explain(ExpressionPresenter destination)
Diagnostic print of expression structure. |
String |
getExpressionName()
Get a name identifying the kind of expression, in terms meaningful to a user. |
NodeInfo |
getNode(XPathContext context)
Return the node selected by this SingleNodeExpression |
int |
hashCode()
get HashCode for comparing two expressions |
protected String |
noContextMessage()
Customize the error message on type checking |
String |
toString()
The toString() method for an expression attempts to give a representation of the expression in an XPath-like form, but there is no guarantee that the syntax will actually be true XPath. |
Methods inherited from class net.sf.saxon.expr.SingleNodeExpression |
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computeCardinality, computeSpecialProperties, effectiveBooleanValue, evaluateItem, getIntrinsicDependencies, getItemType, isContextPossiblyUndefined, iterate, optimize, typeCheck |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ParentNodeExpression()
Method Detail |
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public String getExpressionName()
getExpressionName
in class Expression
protected String noContextMessage()
noContextMessage
in class SingleNodeExpression
public NodeInfo getNode(XPathContext context) throws XPathException
getNode
in class SingleNodeExpression
context
- The context for the evaluation
XPathException
public Expression copy()
copy
in class Expression
public PathMap.PathMapNodeSet addToPathMap(PathMap pathMap, PathMap.PathMapNodeSet pathMapNodeSet)
addToPathMap
in class Expression
pathMap
- the PathMap to which the expression should be addedpathMapNodeSet
-
public boolean equals(Object other)
equals
in class Object
public int hashCode()
hashCode
in class Object
public String toString()
toString
in class Expression
public void explain(ExpressionPresenter destination)
explain
in class Expression
destination
- the expression presenter used to display the structure
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