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java.lang.Object net.sf.saxon.pattern.NodeTest net.sf.saxon.pattern.EmptySequenceTest
public final class EmptySequenceTest
NodeTest is an interface that enables a test of whether a node has a particular name and type. An EmptySequenceTest matches no nodes or atomic values: it corresponds to the type empty-sequence().
Method Summary | |
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double |
getDefaultPriority()
Determine the default priority of this node test when used on its own as a Pattern |
static EmptySequenceTest |
getInstance()
Get a NoNodeTest instance |
int |
getNodeKindMask()
Get a mask indicating which kinds of nodes this NodeTest can match. |
ItemType |
getPrimitiveItemType()
Get the primitive item type corresponding to this item type. |
int |
getPrimitiveType()
Get the basic kind of object that this ItemType matches: for a NodeTest, this is the kind of node, or Type.Node if it matches different kinds of nodes. |
int |
hashCode()
Returns a hash code value for the object. |
boolean |
matches(int nodeKind,
NodeName name,
int annotation)
Test whether this node test is satisfied by a given node. |
boolean |
matches(NodeInfo node)
Test whether this node test is satisfied by a given node. |
boolean |
matches(TinyTree tree,
int nodeNr)
Test whether this node test is satisfied by a given node on a TinyTree. |
boolean |
matchesItem(Item item,
boolean allowURIPromotion,
Configuration config)
Test whether a given item conforms to this type |
String |
toString()
|
void |
visitNamedSchemaComponents(SchemaComponentVisitor visitor)
Visit all the schema components used in this ItemType definition |
Methods inherited from class net.sf.saxon.pattern.NodeTest |
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getAtomizedItemType, getContentType, getFingerprint, getRequiredNodeNames, getSuperType, isAtomicType, isAtomizable, isNillable, isPlainType, matches, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, notify, notifyAll, wait, wait, wait |
Method Detail |
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public static EmptySequenceTest getInstance()
public final int getPrimitiveType()
NodeTest
getPrimitiveType
in interface ItemType
getPrimitiveType
in class NodeTest
public ItemType getPrimitiveItemType()
getPrimitiveItemType
in interface ItemType
getPrimitiveItemType
in class NodeTest
public boolean matchesItem(Item item, boolean allowURIPromotion, Configuration config)
matchesItem
in interface ItemType
matchesItem
in class NodeTest
item
- The item to be testedallowURIPromotion
- config
-
public boolean matches(int nodeKind, NodeName name, int annotation)
matches
in class NodeTest
nodeKind
- The kind of node to be matchedname
- identifies the expanded name of the node to be matched.
The value should be null for a node with no name.annotation
- The actual content type of the nodepublic boolean matches(TinyTree tree, int nodeNr)
matches
in class NodeTest
tree
- the TinyTree containing the nodenodeNr
- the number of the node within the TinyTree
public boolean matches(NodeInfo node)
matches
in class NodeTest
node
- the node to be matchedpublic final double getDefaultPriority()
public int getNodeKindMask()
getNodeKindMask
in class NodeTest
public void visitNamedSchemaComponents(SchemaComponentVisitor visitor) throws XPathException
visitNamedSchemaComponents
in interface ItemType
visitNamedSchemaComponents
in class NodeTest
visitor
- the visitor class to be called when each component is visited
XPathException
- if an error occurspublic String toString()
toString
in class Object
public int hashCode()
hashCode
in class Object
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