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: Class SingletonNodeSet
com.icl.saxon.expr
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Field Summary | |
protected boolean |
generalUseAllowed
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protected NodeInfo |
node
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Fields inherited from class com.icl.saxon.expr.Value |
ANY, BOOLEAN, NODESET, NUMBER, OBJECT, STRING |
Fields inherited from class com.icl.saxon.expr.Expression |
staticContext |
Constructor Summary | |
SingletonNodeSet()
Create an empty node-set |
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SingletonNodeSet(NodeInfo node)
Create a node-set containing one node |
Method Summary | |
void |
allowGeneralUse()
Allow general use as a node-set. |
boolean |
asBoolean()
Evaluate as a boolean. |
java.lang.String |
asString()
Convert to string value |
NodeEnumeration |
enumerate()
Return an enumeration of this nodeset value. |
boolean |
equals(Value other)
Test whether a nodeset "equals" another Value |
Value |
evaluate(Context context)
Evaluate the Node Set. |
NodeSetValue |
evaluateAsNodeSet(Context context)
Evaluate an expression as a NodeSet. |
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 |
isGeneralUseAllowed()
Determine if general use as a node-set is allowed |
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) |
boolean |
notEquals(Value other)
Test whether a nodeset "not-equals" another Value |
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. |
Methods inherited from class com.icl.saxon.expr.NodeSetValue |
asNumber, compare, conversionPreference, convertToJava, display, enumerate, getDataType |
Methods inherited from class com.icl.saxon.expr.Value |
getDependencies, inverse, numericCompare, reduce, stringToNumber |
Methods inherited from class com.icl.saxon.expr.Expression |
containsReferences, evaluateAsBoolean, evaluateAsNumber, evaluateAsString, getStaticContext, indent, isContextDocumentNodeSet, make, outputStringValue, setStaticContext, usesCurrent |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected NodeInfo node
protected boolean generalUseAllowed
Constructor Detail |
public SingletonNodeSet()
public SingletonNodeSet(NodeInfo node)
Method Detail |
public void allowGeneralUse()
public boolean isGeneralUseAllowed()
public Expression simplify()
com.icl.saxon.expr.Value
public Value evaluate(Context context)
evaluate
in class NodeSetValue
context
- The context for evaluation (not used)public NodeSetValue evaluateAsNodeSet(Context context)
evaluateAsNodeSet
in class NodeSetValue
context
- The context in which the expression is to be evaluatedpublic void setSorted(boolean isSorted)
setSorted
in class NodeSetValue
isSorted
- 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 NodeSetValue
public java.lang.String asString()
asString
in class NodeSetValue
public boolean asBoolean()
asBoolean
in class NodeSetValue
public int getCount()
getCount
in class NodeSetValue
public NodeSetValue sort()
sort
in class NodeSetValue
public NodeInfo getFirst()
getFirst
in class NodeSetValue
public boolean equals(Value other) throws XPathException
equals
in class NodeSetValue
com.icl.saxon.expr.Value
public boolean notEquals(Value other) throws XPathException
notEquals
in class NodeSetValue
com.icl.saxon.expr.Value
public NodeEnumeration enumerate()
enumerate
in class NodeSetValue
public int getLength()
getLength
in interface org.w3c.dom.NodeList
public org.w3c.dom.Node item(int index)
item
in interface org.w3c.dom.NodeList
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