org.apache.jackrabbit.commons.predicate
Class IsNodePredicate

java.lang.Object
  org.apache.jackrabbit.commons.predicate.DepthPredicate
      org.apache.jackrabbit.commons.predicate.IsNodePredicate

All Implemented Interfaces:

Predicate

public class IsNodePredicate
extends DepthPredicate

Item filter that checks if an item is a node.

Field Summary

protected boolean

isNode Polarity of this filter

Fields inherited from class org.apache.jackrabbit.commons.predicate.DepthPredicate

maxDepth, minDepth

Fields inherited from interface org.apache.jackrabbit.commons.predicate.Predicate

FALSE, TRUE

Constructor Summary

IsNodePredicate()
Default constructor.

IsNodePredicate(boolean polarity)
Creates a new node item filter

IsNodePredicate(boolean polarity, int minDepth, int maxDepth)
Creates a new node item filter.

Method Summary

protected boolean

matches(Item item) Returns true if the item is a node and the polarity is positive (true).

Methods inherited from class org.apache.jackrabbit.commons.predicate.DepthPredicate

evaluate

Methods inherited from class java.lang.Object

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

Field Detail

isNode

protected final boolean isNode

Polarity of this filter

Constructor Detail

IsNodePredicate

public IsNodePredicate()

Default constructor.

IsNodePredicate

public IsNodePredicate(boolean polarity,
                       int minDepth,
                       int maxDepth)

Creates a new node item filter.

Parameters:

polarity - the polarity of this filter. if true it matches nodes, if false it matches properties.

minDepth - the minimum depth

maxDepth - the maximum depth

See Also:

DepthPredicate

IsNodePredicate

public IsNodePredicate(boolean polarity)

Creates a new node item filter

Parameters:

polarity - the polarity of this filter. if true it matches nodes, if false it matches properties.

Method Detail

matches

protected boolean matches(Item item)
                   throws RepositoryException

Returns true if the item is a node and the polarity is positive (true).

Overrides:

matches in class DepthPredicate

Parameters:

item - the item to match

Returns:

true if the item matches; false otherwise.

Throws:

RepositoryException - if an error occurs.

See Also:

DepthPredicate.matches(javax.jcr.Item)