org.apache.directory.shared.ldap.filter

Class LeafNode

java.lang.Object

org.apache.directory.shared.ldap.filter.AbstractExprNode

org.apache.directory.shared.ldap.filter.LeafNode

All Implemented Interfaces:

Cloneable, ExprNode

Direct Known Subclasses:

ExtensibleNode, PresenceNode, SimpleNode, SubstringNode

public class LeafNode
extends AbstractExprNode

Abstract base class for leaf nodes within the expression filter tree.

Version:

$Rev: 746607 $

Author:

Apache Directory Project

Field Summary

Fields inherited from class org.apache.directory.shared.ldap.filter.AbstractExprNode

annotations, assertionType

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LeafNode(String attribute, AssertionType assertionType) Creates a leaf node.

Method Summary

Modifier and Type	Method and Description
Object	accept(FilterVisitor visitor) Element/node accept method for visitor pattern.
ExprNode	clone() Makes a full clone in new memory space of the current node and children
boolean	equals(Object other)
String	getAttribute() Gets the attribute this leaf node is based on.
int	hashCode()
boolean	isLeaf() Gets whether this node is a leaf - the answer is always true here.
void	setAttribute(String attribute) Sets the attribute this leaf node is based on.

Methods inherited from class org.apache.directory.shared.ldap.filter.AbstractExprNode

escapeFilterValue, get, getAnnotations, getAssertionType, printRefinementToBuffer, set, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

LeafNode

protected LeafNode(String attribute,
                   AssertionType assertionType)

Creates a leaf node.

Parameters:

attribute - the attribute this node is based on

assertionType - the type of this leaf node

Method Detail

clone

public ExprNode clone()

Makes a full clone in new memory space of the current node and children

Specified by:

clone in interface ExprNode

Overrides:

clone in class AbstractExprNode

Returns:

the clone

isLeaf

public final boolean isLeaf()

Gets whether this node is a leaf - the answer is always true here.

Specified by:

isLeaf in interface ExprNode

Specified by:

isLeaf in class AbstractExprNode

Returns:

true always

getAttribute

public final String getAttribute()

Gets the attribute this leaf node is based on.

Returns:

the attribute asserted

setAttribute

public void setAttribute(String attribute)

Sets the attribute this leaf node is based on.

Parameters:

attribute - the attribute that is asserted by this filter node

accept

public final Object accept(FilterVisitor visitor)

Description copied from interface: ExprNode

Element/node accept method for visitor pattern.

Parameters:

visitor - the filter expression tree structure visitor

Returns:

The modified element

See Also:

ExprNode.accept( org.apache.directory.shared.ldap.filter.FilterVisitor)

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractExprNode

Returns:

the instance's hash code

See Also:

Object.hashCode()

equals

public boolean equals(Object other)

Overrides:

equals in class AbstractExprNode

Returns:

true if both objects are equal

See Also:

Object.equals(Object)