org.gcube.data.trees.patterns
Class TreePattern

java.lang.Object
  org.gcube.data.trees.patterns.AbstractPattern
      org.gcube.data.trees.patterns.TreePattern

All Implemented Interfaces:

Serializable, Pattern

Direct Known Subclasses:

CutTreePattern

public class TreePattern
extends AbstractPattern

A Pattern over InnerNodes.

Author:

Fabio Simeoni

See Also:

Serialized Form

Constructor Summary

TreePattern(List<EdgePattern> patterns)
Creates and instance with a list of EdgePatterns.

Method Summary

boolean	equals(Object obj)
int	hashCode()
boolean	matches(Node n) Indicates whether a node matches a pattern.
EdgePattern	pattern(QName label) Returns a pattern with a given label, if one exists.
List<EdgePattern>	patterns() Return the patterns.
void	prune(Node n) Prunes a node of all the descendants that are not required to match the pattern.
String	toString()

Methods inherited from class org.gcube.data.trees.patterns.AbstractPattern

idPattern, setIdPattern

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TreePattern

public TreePattern(List<EdgePattern> patterns)

Creates and instance with a list of EdgePatterns.

Parameters:

patterns - the patterns

Method Detail

matches

public boolean matches(Node n)

Indicates whether a node matches a pattern.

Specified by:

matches in interface Pattern

Overrides:

matches in class AbstractPattern

Parameters:

n - the node.

Returns:

true if it does, false otherwise.

prune

public void prune(Node n)
           throws Exception

Prunes a node of all the descendants that are not required to match the pattern.

Specified by:

prune in interface Pattern

Overrides:

prune in class AbstractPattern

Parameters:

n - the node.

Throws:

Exception - if the node does not match the pattern.

patterns

public List<EdgePattern> patterns()

Return the patterns.

Returns:

the patterns.

pattern

public EdgePattern pattern(QName label)

Returns a pattern with a given label, if one exists.

Parameters:

label - the label.

Returns:

the pattern, or null.

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractPattern

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractPattern