org.gcube.data.trees.patterns

Class AbstractPattern

java.lang.Object

org.gcube.data.trees.patterns.AbstractPattern

All Implemented Interfaces:

Serializable, Pattern

Direct Known Subclasses:

AnyPattern, LeafPattern, TreePattern

public abstract class AbstractPattern
extends Object
implements Pattern

Partial Pattern implementation.

Adds support for pattern for node identifiers.

Author:

Fabio Simeoni

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractPattern()

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	hashCode()
LeafPattern<?,?>	idPattern() Returns the pattern on the node identifier.
boolean	matches(Node node) Indicates whether a node matches a pattern.
void	prune(Node node) Prunes a node of all the descendants that are not required to match the pattern.
void	setIdPattern(LeafPattern<?,?> idp) Set a predicate on the node identifier.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPattern

public AbstractPattern()

Method Detail

setIdPattern

public void setIdPattern(LeafPattern<?,?> idp)

Set a predicate on the node identifier.

Parameters:

idp - the pattern.

idPattern

public LeafPattern<?,?> idPattern()

Returns the pattern on the node identifier.

Returns:

the pattern.

matches

public boolean matches(Node node)

Description copied from interface: Pattern

Indicates whether a node matches a pattern.

Specified by:

matches in interface Pattern

Parameters:

node - the node.

Returns:

true if it does, false otherwise.

prune

public void prune(Node node)
           throws Exception

Description copied from interface: Pattern

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

Specified by:

prune in interface Pattern

Parameters:

node - the node.

Throws:

Exception - if the node does not match the pattern.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object