net.sf.saxon.pattern
Class KeyPattern
java.lang.Object
net.sf.saxon.pattern.Pattern
net.sf.saxon.pattern.KeyPattern
- All Implemented Interfaces:
- Serializable
- public final class KeyPattern
- extends Pattern
A KeyPattern is a pattern of the form key(keyname, keyvalue)
- See Also:
- Serialized Form
Methods inherited from class net.sf.saxon.pattern.Pattern |
getDefaultPriority, getFingerprint, getLineNumber, getNodeKind, getSystemId, internalMatches, make, setLineNumber, setOriginalText, setSystemId, simplify, toString |
KeyPattern
public KeyPattern(int namecode,
Expression key)
- Constructor
- Parameters:
namecode
- the name of the keykey
- the value of the key
typeCheck
public Pattern typeCheck(StaticContext env)
throws XPathException
- Type-check the pattern.
Default implementation does nothing. This is only needed for patterns that contain
variable references or function calls.
- Overrides:
typeCheck
in class Pattern
- Returns:
- the optimised Pattern
- Throws:
XPathException
matches
public boolean matches(NodeInfo e,
Controller controller)
throws XPathException
- Determine whether this Pattern matches the given Node.
- Specified by:
matches
in class Pattern
- Parameters:
e
- The NodeInfo representing the Element or other node to be tested against the Patterncontroller
- The controller. Only relevant if the pattern
uses variables, or contains calls on functions such as document() or key().
- Returns:
- true if the node matches the Pattern, false otherwise
- Throws:
XPathException
getNodeTest
public NodeTest getNodeTest()
- Get a NodeTest that all the nodes matching this pattern must satisfy
- Specified by:
getNodeTest
in class Pattern