public final class NodeSetExtent extends NodeSetValue implements Sortable, org.w3c.dom.NodeList
staticContext| Constructor and Description |
|---|
NodeSetExtent(NodeEnumeration enm,
NodeOrderComparer comparer)
Construct a node-set containing all the nodes in a NodeEnumeration.
|
NodeSetExtent(NodeInfo[] nodes,
NodeOrderComparer comparer)
Construct a node-set given the set of nodes as an array
|
NodeSetExtent(NodeOrderComparer comparer)
Construct an empty node set
|
NodeSetExtent(java.util.Vector nodes,
NodeOrderComparer comparer)
Construct a node-set given the set of nodes as a Vector
|
| Modifier and Type | Method and Description |
|---|---|
void |
append(NodeInfo node)
Append a node to the node-set.
|
boolean |
asBoolean()
Evaluate as a boolean.
|
java.lang.String |
asString()
Convert to string value
|
int |
compare(int a,
int b)
Compare two nodes in document sequence
(needed to implement the Sortable interface)
|
NodeEnumeration |
enumerate()
Return an enumeration of this nodeset value.
|
int |
getCount()
Count the nodes in the node-set.
|
NodeInfo |
getFirst()
Get the first node in the nodeset (in document order)
|
int |
getLength()
return the number of nodes in the list (DOM method)
|
boolean |
isSorted()
Test whether the value is known to be sorted
|
org.w3c.dom.Node |
item(int index)
Return the n'th item in the list (DOM method)
|
NodeInfo |
selectFirst(Context context)
Return the first node in the nodeset (in document order)
|
void |
setSorted(boolean isSorted)
Set a flag to indicate whether the nodes are sorted.
|
Expression |
simplify()
Simplify the expression
|
NodeSetValue |
sort()
Sort the nodes into document order.
|
void |
swap(int a,
int b)
Swap two nodes (needed to implement the Sortable interface)
|
asNumber, compare, conversionPreference, convertToJava, display, enumerate, equals, evaluate, evaluateAsNodeSet, getDataType, notEqualsgetDependencies, inverse, numericCompare, reduce, stringToNumbercontainsReferences, evaluateAsBoolean, evaluateAsNumber, evaluateAsString, getStaticContext, indent, isContextDocumentNodeSet, make, outputStringValue, setStaticContext, usesCurrentpublic NodeSetExtent(NodeOrderComparer comparer)
public NodeSetExtent(NodeInfo[] nodes, NodeOrderComparer comparer)
nodes - An array whose elements must be NodeInfo objectscomparer - Comparer used for sorting into document orderpublic NodeSetExtent(java.util.Vector nodes,
NodeOrderComparer comparer)
nodes - a Vector whose elements must be NodeInfo objectscomparer - Comparer used for sorting into document orderpublic NodeSetExtent(NodeEnumeration enm, NodeOrderComparer comparer) throws XPathException
enm - The supplied node enumeration. This must be positioned at the start,
so that hasMoreElements() returns true if there are any nodes in the node-set,
and nextElement() returns the first node.comparer - Comparer used for sorting into document orderXPathExceptionpublic void append(NodeInfo node)
public Expression simplify()
public void setSorted(boolean isSorted)
setSorted in class NodeSetValueisSorted - true if the caller wishes to assert that the nodes are in document order
and do not need to be further sortedpublic boolean isSorted()
isSorted in class NodeSetValuepublic java.lang.String asString()
asString in class NodeSetValuepublic boolean asBoolean()
throws XPathException
asBoolean in class NodeSetValueXPathExceptionpublic int getCount()
getCount in class NodeSetValuepublic NodeSetValue sort()
sort in class NodeSetValuepublic NodeInfo getFirst()
getFirst in class NodeSetValuepublic NodeInfo selectFirst(Context context)
context - The context for the evaluation: not usedpublic NodeEnumeration enumerate()
enumerate in class NodeSetValuepublic int getLength()
getLength in interface org.w3c.dom.NodeListpublic org.w3c.dom.Node item(int index)
item in interface org.w3c.dom.NodeListpublic int compare(int a,
int b)